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struts+spring+hibernate的web应用<四> Web层代码编写(1)

前面的文章：

struts+spring+hibernate 的 web 应用 < 一 > 架构搭建

struts+spring+hibernate 的 web 应用 < 二 > Dao 层代码编写

struts+spring+hibernate 的 web 应用 < 三 > Service 层代码编写

 

Web 层代码量比较大，涉及的地方也比较多，考虑到文章过于庞大，所以分两篇写。
我们还是先从主要的 action 开始吧。

在 com.game.products.web.actions 包中新建 ProductsAction ，这是一个 DispatchAction ，代码如下：

package  com.game.products.web.actions;

 import  java.util.List;

 import  javax.servlet.http.HttpServletRequest;
 import  javax.servlet.http.HttpServletResponse;

 import  org.acegisecurity.AccessDeniedException;
 import  org.apache.struts.action.ActionForm;
 import  org.apache.struts.action.ActionForward;
 import  org.apache.struts.action.ActionMapping;
 import  org.apache.struts.actions.DispatchAction;

 import  com.game.commons.Pager;
 import  com.game.commons.PagerService;
 import  com.game.products.model.Products;
 import  com.game.products.services.iface.ProductsService;
 import  com.game.products.web.forms.ProductsForm;


 public   class  ProductsAction  extends  DispatchAction  {
    
     private  ProductsService productsService;
     private  PagerService pagerService;
    
     /**  
     * 显示所有信息
      */
     public  ActionForward doGetProducts(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest req,
            HttpServletResponse res) {
        String flag = req.getParameter( " flag " );
        
         int  totalRows = productsService.getRows();
        String currentPage = req.getParameter( " currentPage " );
        String pagerMethod = req.getParameter( " pagerMethod " );
        
        Pager pager = pagerService.getPager(currentPage, pagerMethod, totalRows);
        
        List productsList = productsService.getProducts(pager.getPageSize(), pager.getStartRow());
        
        req.setAttribute( " productsList " , productsList);
        req.setAttribute( " PAGER " , pager);
        req.setAttribute( " flag " , flag);
        req.setAttribute( " totalRows " , String.valueOf(totalRows));
        
         return  mapping.findForward( " all " );
    }
    
     /**  
     * 显示一条信息
      */
     public  ActionForward doGetProduct(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest req,
            HttpServletResponse res) {
        String flag = req.getParameter( " flag " );
        String gameId = req.getParameter( " gameId " );
        String fieldname = "" ;
        String value = "" ;
         if (flag.equals( " 2 " )) {
            fieldname = (String)req.getParameter( " fieldname " );
            value = (String)req.getParameter( " value " );
            req.setAttribute( " fieldname " , fieldname);
            req.setAttribute( " value " , value);
        }
        
        Products pd = productsService.getProduct(gameId);
        req.setAttribute( " pd " , pd);
        req.setAttribute( " flag " , flag);
         return  mapping.findForward( " one " );
    }
    
     /**  
     * 添加信息页面
      */
     public  ActionForward doAddProductPage(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest req,
            HttpServletResponse res) {
        String flag = req.getParameter( " flag " );
        req.setAttribute( " flag " , flag);
        String fieldname = "" ;
        String value = "" ;
         if (flag.equals( " 2 " )) {
            fieldname = (String)req.getParameter( " fieldname " );
            value = (String)req.getParameter( " value " );
            req.setAttribute( " fieldname " , fieldname);
            req.setAttribute( " value " , value);
        }
        
        String maxid = productsService.getMaxID();
        req.setAttribute( " maxid " , maxid);
         return  mapping.findForward( " add " );
    }
    
     /**  
     * 添加信息
      */
     public  ActionForward doAddProduct(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest req,
            HttpServletResponse res) {
        ProductsForm pf = (ProductsForm)form;
        String flag = pf.getFlag();
        req.setAttribute( " flag " , flag);
        String fieldname = "" ;
        String value = "" ;
         if (flag.equals( " 2 " )) {
            fieldname = pf.getFieldname();
            value = pf.getValue();
            req.setAttribute( " fieldname " , fieldname);
            req.setAttribute( " value " , value);
        }
        
        Products pd = new  Products();
        pd.setGameCapacity(pf.getGameCapacity());
        pd.setGameId(pf.getGameId());
        pd.setGameMedia(pf.getGameMedia());
        pd.setGameNameCn(pf.getGameNameCn());
        pd.setGameNameEn(pf.getGameNameEn());
        pd.setGameVersion(pf.getGameVersion());
        pd.setGameCopyright(pf.getGameCopyright());
        pd.setGameContent(pf.getGameContent());
         if (pf.getGamePrice().equals( "" )) {
            pd.setGamePrice( null );
        } else {
            pd.setGamePrice(pf.getGamePrice());
        }
        
         int  sign = 1 ;
         try {
            productsService.addProduct(pd);
            sign = 1 ;
        } catch (Exception e) {
            sign = 2 ;
        }
        
         if (sign == 1 ) {
             return  mapping.findForward( " success " );
        } else {
             return  mapping.findForward( " failure " );
        }
    }
    
     /**  
     * 修改信息
      */
     public  ActionForward doUpdateProduct(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest req,
            HttpServletResponse res) {
        ProductsForm pf = (ProductsForm)form;
        String gameId = pf.getGameId();
        
        String flag = pf.getFlag();
        req.setAttribute( " flag " , flag);
        String fieldname = "" ;
        String value = "" ;
         if (flag.equals( " 2 " )) {
            fieldname = pf.getFieldname();
            value = pf.getValue();
            req.setAttribute( " fieldname " , fieldname);
            req.setAttribute( " value " , value);
        }
        
        Products pd = productsService.getProduct(gameId);
        pd.setGameCapacity(pf.getGameCapacity());
        pd.setGameId(pf.getGameId());
        pd.setGameMedia(pf.getGameMedia());
        pd.setGameNameCn(pf.getGameNameCn());
        pd.setGameNameEn(pf.getGameNameEn());
        pd.setGameVersion(pf.getGameVersion());
        pd.setGameCopyright(pf.getGameCopyright());
        pd.setGameContent(pf.getGameContent());
         if (pf.getGamePrice().equals( "" )) {
            pd.setGamePrice( null );
        } else {
            pd.setGamePrice(pf.getGamePrice());
        }
        
         int  sign = 1 ;
         try {
            productsService.updateProductd(pd);
            sign = 1 ;
        } catch (Exception e) {
            sign = 2 ;
        }
        
         if (sign == 1 ) {
             return  mapping.findForward( " success " );
        } else {
             return  mapping.findForward( " failure " );
        }
    }
    
     /**  
     * 删除信息
      */
     public  ActionForward doDeleteProduct(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest req,
            HttpServletResponse res) {
        String flag = req.getParameter( " flag " );
        req.setAttribute( " flag " , flag);
        String fieldname = "" ;
        String value = "" ;
         if (flag.equals( " 2 " )) {
            fieldname = (String)req.getParameter( " fieldname " );
            value = (String)req.getParameter( " value " );
            req.setAttribute( " fieldname " , fieldname);
            req.setAttribute( " value " , value);
        }
        
        String gameId = req.getParameter( " gameId " );
        
        Products pd = productsService.getProduct(gameId);
         int  sign = 1 ;
         try {
            productsService.deleteProduct(pd);
            sign = 1 ;
        } catch (Exception e) {
            sign = 2 ;
        }
        
         if (sign == 1 ) {
             return  mapping.findForward( " success " );
        } else {
             return  mapping.findForward( " failure " );
        }
    }
    
     /**  
     * 返回信息
      */
     public  ActionForward doReturnProduct(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest req,
            HttpServletResponse res) {
        String flag = req.getParameter( " flag " );
        req.setAttribute( " flag " , flag);
        String fieldname = "" ;
        String value = "" ;
         if (flag.equals( " 1 " )) {
             int  totalRows = productsService.getRows();
            String currentPage = req.getParameter( " currentPage " );
            String pagerMethod = req.getParameter( " pagerMethod " );
            
            Pager pager = pagerService.getPager(currentPage, pagerMethod, totalRows);
            
            List productsList = productsService.getProducts(pager.getPageSize(), pager.getStartRow());
            
            req.setAttribute( " productsList " , productsList);
            req.setAttribute( " PAGER " , pager);
            req.setAttribute( " flag " , flag);
            req.setAttribute( " totalRows " , String.valueOf(totalRows));
        } else   if (flag.equals( " 2 " )) {
            fieldname = (String)req.getParameter( " fieldname " );
            value = (String)req.getParameter( " value " );
             int  totalRows = productsService.getRows(fieldname,value);
            String currentPage = req.getParameter( " currentPage " );
            String pagerMethod = req.getParameter( " pagerMethod " );
            
            Pager pager = pagerService.getPager(currentPage, pagerMethod, totalRows);

            req.setAttribute( " fieldname " , fieldname);
            req.setAttribute( " value " , value);
            
            List productsList = productsService.queryProducts(fieldname, value,pager.getPageSize(), pager.getStartRow());
            
            req.setAttribute( " productsList " , productsList);
            req.setAttribute( " PAGER " , pager);
            req.setAttribute( " totalRows " , String.valueOf(totalRows));
        }
        
         return  mapping.findForward( " all " );
        
    }
    
     /**  
     * 查询信息
      */
     public  ActionForward doQueryProduct(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest req,
            HttpServletResponse res) {
        String flag = req.getParameter( " flag " );
        req.setAttribute( " flag " , flag);
        String fieldname = "" ;
        String value = "" ;
        fieldname = (String)req.getParameter( " fieldname " );
        value = (String)req.getParameter( " value " );
        
         int  totalRows = productsService.getRows(fieldname,value);
        String currentPage = req.getParameter( " currentPage " );
        String pagerMethod = req.getParameter( " pagerMethod " );
        
        Pager pager = pagerService.getPager(currentPage, pagerMethod, totalRows);

        req.setAttribute( " fieldname " , fieldname);
        req.setAttribute( " value " , value);
        
        List productsList = productsService.queryProducts(fieldname, value,pager.getPageSize(), pager.getStartRow());
        
        req.setAttribute( " productsList " , productsList);
        req.setAttribute( " PAGER " , pager);
        req.setAttribute( " totalRows " , String.valueOf(totalRows));
        
         return  mapping.findForward( " all " );
        
    }

     public  ProductsService getProductsService()  {
         return  productsService;
    }

     public   void  setProductsService(ProductsService productsService)  {
         this .productsService  =  productsService;
    }

     public  PagerService getPagerService()  {
         return  pagerService;
    }

     public   void  setPagerService(PagerService pagerService)  {
         this .pagerService  =  pagerService;
    }
    
}


 

在 com.game.products.web.forms 包中新建 ProductsForm ，他继承了 ValidatorForm 。代码如下：

 

package  com.game.products.web.forms;

 import  javax.servlet.http.HttpServletRequest;

 import  org.apache.struts.action.ActionMapping;
 import  org.apache.struts.validator.ValidatorForm;

 public   class  ProductsForm  extends  ValidatorForm  {
     //     Fields 
     private  String gameId; // 编号
     private  String gameNameCn; // 中文名称
     private  String gameNameEn; // 英文名称
     private  String gameCapacity; // 碟数
     private  String gameVersion; // 版本
     private  String gameMedia; // 介质
     private  String gameCopyright; // 版权
     private  String gamePrice; // 价格
     private  String gameContent; // 攻略
    
     private  String flag;
     private  String fieldname;
     private  String value;
    
     //     Constructors
     public  ProductsForm() {
        gameId = null ;
        gameNameCn = null ;
        gameNameEn = null ;
        gameCapacity = null ;
        gameVersion = null ;
        gameMedia = null ;
        gameCopyright = null ;
        gamePrice = null ;
        gameContent = null ;
        
        flag = null ;
        fieldname = null ;
        value = null ;
    }
    
     //  reset
     public   void  reset(ActionMapping mapping, HttpServletRequest request)  {
        gameId = null ;
        gameNameCn = null ;
        gameNameEn = null ;
        gameCapacity = null ;
        gameVersion = null ;
        gameMedia = null ;
        gameCopyright = null ;
        gamePrice = null ;
        gameContent = null ;
        
        flag = null ;
        fieldname = null ;
        value = null ;
    }
    
     //     Property accessors
     public  String getGameCapacity()  {
         return  gameCapacity;
    }

     public   void  setGameCapacity(String gameCapacity)  {
         this .gameCapacity  =  gameCapacity;
    }

     public  String getGameId()  {
         return  gameId;
    }

     public   void  setGameId(String gameId)  {
         this .gameId  =  gameId;
    }

     public  String getGameNameCn()  {
         return  gameNameCn;
    }

     public   void  setGameNameCn(String gameNameCn)  {
         this .gameNameCn  =  gameNameCn;
    }

     public  String getGameNameEn()  {
         return  gameNameEn;
    }

     public   void  setGameNameEn(String gameNameEn)  {
         this .gameNameEn  =  gameNameEn;
    }

     public  String getGameVersion()  {
         return  gameVersion;
    }

     public   void  setGameVersion(String gameVersion)  {
         this .gameVersion  =  gameVersion;
    }

     public  String getGameMedia()  {
         return  gameMedia;
    }

     public   void  setGameMedia(String gameMedia)  {
         this .gameMedia  =  gameMedia;
    }

     public  String getFieldname()  {
         return  fieldname;
    }

     public   void  setFieldname(String fieldname)  {
         this .fieldname  =  fieldname;
    }

     public  String getFlag()  {
         return  flag;
    }

     public   void  setFlag(String flag)  {
         this .flag  =  flag;
    }

     public  String getValue()  {
         return  value;
    }

     public   void  setValue(String value)  {
         this .value  =  value;
    }

     public  String getGameCopyright()  {
         return  gameCopyright;
    }

     public   void  setGameCopyright(String gameCopyright)  {
         this .gameCopyright  =  gameCopyright;
    }

     public  String getGameContent()  {
         return  gameContent;
    }

     public   void  setGameContent(String gameContent)  {
         this .gameContent  =  gameContent;
    }

     public  String getGamePrice()  {
         return  gamePrice;
    }

     public   void  setGamePrice(String gamePrice)  {
         this .gamePrice  =  gamePrice;
    }

}

 

接着编写配置文件。

在 struts-config 包中新建 struts-config.xml 。代码如下：

<? xml version="1.0" encoding="ISO-8859-1" ?>
<! DOCTYPE struts-config PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN"
    "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd" >

< struts-config >
     < form-beans >
         < form-bean  name ="productsForm"  type ="com.game.products.web.forms.ProductsForm"   />
     </ form-beans >
    
     < global-forwards >
         < forward  name ="success"  path ="/products/product_success.jsp"   />
         < forward  name ="failure"  path ="/products/product_failure.jsp"   />
     </ global-forwards >
    
     < action-mappings >
         < action  path ="/getProducts"  type ="org.springframework.web.struts.DelegatingActionProxy"  parameter ="method"  scope ="request"  validate ="false" >
             < forward  name ="all"  path ="/products/products.jsp"   />
         </ action >
         < action  path ="/getProduct"  type ="org.springframework.web.struts.DelegatingActionProxy"  parameter ="method"  scope ="request"  validate ="false" >
             < forward  name ="one"  path ="/products/product.jsp"   />
         </ action >
         < action  path ="/deleteProduct"  type ="org.springframework.web.struts.DelegatingActionProxy"  parameter ="method"  scope ="request"  validate ="false" >             
         </ action >
         < action  path ="/addProductPage"  type ="org.springframework.web.struts.DelegatingActionProxy"  parameter ="method"  scope ="request"  validate ="false" >
             < forward  name ="add"  path ="/products/addproduct.jsp"   />
         </ action >
         < action  path ="/addProduct"  name ="productsForm"  type ="org.springframework.web.struts.DelegatingActionProxy"  parameter ="method"  scope ="request"  validate ="false"  input ="/product_failure.jsp" >
         </ action >
         < action  path ="/updateProduct"  name ="productsForm"  type ="org.springframework.web.struts.DelegatingActionProxy"  parameter ="method"  scope ="request"  validate ="false"  input ="/product_failure.jsp" >
         </ action >
        
         < action  path ="/returnProduct"  type ="org.springframework.web.struts.DelegatingActionProxy"  parameter ="method"  scope ="request"  validate ="false" >
             < forward  name ="all"  path ="/products/products.jsp"   />
         </ action >
         < action  path ="/queryProducts"  type ="org.springframework.web.struts.DelegatingActionProxy"  parameter ="method"  scope ="request"  validate ="false" >
             < forward  name ="all"  path ="/products/products.jsp"   />
         </ action >
     </ action-mappings >
    
     < message-resources  parameter ="com.game.resources.ApplicationResourcesProducts"   />
    
     < plug-in  className ="org.apache.struts.validator.ValidatorPlugIn" >
         < set-property  property ="pathnames"
            value ="/WEB-INF/struts-validator/validator-rules.xml,/WEB-INF/struts-validator/validation.xml" />
     </ plug-in >     
    
 </ struts-config >


 

需要注意的是，这里的 action 交由 spring 的 DelegatingActionProxy 管理了。

 

打开 applicationContext.xml ，接着添加如下代码：

<!--  View  -->
     < bean  name ="/getProducts"  class ="com.game.products.web.actions.ProductsAction"  singleton ="false" >
         < property  name ="productsService" >
             < ref  bean ="productsService" />
         </ property >
         < property  name ="pagerService" >
             < ref  bean ="pagerService" />
         </ property >
     </ bean >
     < bean  name ="/getProduct"  class ="com.game.products.web.actions.ProductsAction"  singleton ="false" >
         < property  name ="productsService" >
             < ref  bean ="productsService" />
         </ property >
     </ bean >
     < bean  name ="/deleteProduct"  class ="com.game.products.web.actions.ProductsAction"  singleton ="false" >
         < property  name ="productsService" >
             < ref  bean ="productsService" />
         </ property >
     </ bean >
     < bean  name ="/addProductPage"  class ="com.game.products.web.actions.ProductsAction"  singleton ="false" >
         < property  name ="productsService" >
             < ref  bean ="productsService" />
         </ property >
     </ bean >
     < bean  name ="/addProduct"  class ="com.game.products.web.actions.ProductsAction"  singleton ="false" >
         < property  name ="productsService" >
             < ref  bean ="productsService" />
         </ property >
     </ bean >
     < bean  name ="/updateProduct"  class ="com.game.products.web.actions.ProductsAction"  singleton ="false" >
         < property  name ="productsService" >
             < ref  bean ="productsService" />
         </ property >
     </ bean >
     < bean  name ="/returnProduct"  class ="com.game.products.web.actions.ProductsAction"  singleton ="false" >
         < property  name ="productsService" >
             < ref  bean ="productsService" />
         </ property >
         < property  name ="pagerService" >
             < ref  bean ="pagerService" />
         </ property >
     </ bean >
     < bean  name ="/queryProducts"  class ="com.game.products.web.actions.ProductsAction"  singleton ="false" >
         < property  name ="productsService" >
             < ref  bean ="productsService" />
         </ property >
         < property  name ="pagerService" >
             < ref  bean ="pagerService" />
         </ property >
     </ bean >


 

接着编写 web.xml ，代码如下：

<? xml version="1.0" encoding="GB2312" ?>
<! DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd" >

< web-app >
     < display-name > 游戏软件管理系统 </ display-name >
     < context-param >
         < param-name > log4jConfigLocation </ param-name >
         < param-value > /WEB-INF/classes/log4j.properties </ param-value >
     </ context-param >
     < context-param >
         < param-name > contextConfigLocation </ param-name >
         < param-value > /WEB-INF/spring-context/applicationContext.xml </ param-value >
       </ context-param >
    
     < filter >
         < filter-name > Set Character Encoding </ filter-name >
         < filter-class > com.game.commons.SetCharacterEncodingFilter </ filter-class >
         < init-param >
             < param-name > encoding </ param-name >
             < param-value > GB2312 </ param-value >
         </ init-param >
     </ filter >

     < filter-mapping >
         < filter-name > Set Character Encoding </ filter-name >
         < url-pattern > /* </ url-pattern >
     </ filter-mapping >
    
     <!--
          - Loads the root application context of this web app at startup.
          - The application context is then available via
          - WebApplicationContextUtils.getWebApplicationContext(servletContext).
       -->
       < listener >
         < listener-class > org.springframework.web.context.ContextLoaderListener </ listener-class >
       </ listener >

       < listener >
         < listener-class > org.springframework.web.util.Log4jConfigListener </ listener-class >
       </ listener >
    
     <!--  Action Servlet Configuration  -->
     < servlet >
         < servlet-name > action </ servlet-name >
         < servlet-class > org.apache.struts.action.ActionServlet </ servlet-class >
         <!--  缺省  -->
             < init-param >
               < param-name > config </ param-name >
               < param-value > /WEB-INF/struts-config/struts-config.xml </ param-value >
             </ init-param >
             < init-param >
                 < param-name > debug </ param-name >
                 < param-value > 3 </ param-value >
             </ init-param >
             < init-param >
                 < param-name > detail </ param-name >
                 < param-value > 3 </ param-value >
             </ init-param >
             < init-param >
                 < param-name > nocache </ param-name >
                 < param-value > yes </ param-value >
             </ init-param >
             < load-on-startup > 2 </ load-on-startup >
     </ servlet >
    
     <!--  Action Servlet Mapping  -->
     < servlet-mapping >
         < servlet-name > action </ servlet-name >
         < url-pattern > *.do </ url-pattern >
     </ servlet-mapping >
 
     <!--  The Welcome File List  -->
     < welcome-file-list >
         < welcome-file > products/index.jsp </ welcome-file >
     </ welcome-file-list >

     <!--  Struts Tag Library Descriptors  -->
     < taglib >
         < taglib-uri > struts-bean </ taglib-uri >
         < taglib-location > /WEB-INF/tld/struts-bean.tld </ taglib-location >
     </ taglib >

     < taglib >
         < taglib-uri > struts-html </ taglib-uri >
         < taglib-location > /WEB-INF/tld/struts-html.tld </ taglib-location >
     </ taglib >

     < taglib >
         < taglib-uri > struts-logic </ taglib-uri >
         < taglib-location > /WEB-INF/tld/struts-logic.tld </ taglib-location >
     </ taglib >

     < taglib >
         < taglib-uri > struts-nested </ taglib-uri >
         < taglib-location > /WEB-INF/tld/struts-nested.tld </ taglib-location >
     </ taglib >
</ web-app >

 

 

大家可能注意到了这里有个 Set Character Encoding 过滤器。我们需要在 com.game.commons 包中新建 SetCharacterEncodingFilter 类来过滤编码，类的代码如下：

package  com.game.commons;

 import  java.io.IOException;

 import  javax.servlet.Filter;
 import  javax.servlet.FilterChain;
 import  javax.servlet.FilterConfig;
 import  javax.servlet.ServletException;
 import  javax.servlet.ServletRequest;
 import  javax.servlet.ServletResponse;

 public   class  SetCharacterEncodingFilter  implements  Filter  {
 protected  String encoding  =   null ;
 protected  FilterConfig filterConfig  =   null ;
 protected   boolean  ignore  =   true ;

 public   void  init(FilterConfig filterConfig)  throws  ServletException  {
 this .filterConfig = filterConfig;
 this .encoding = filterConfig.getInitParameter( " encoding " );
String value = filterConfig.getInitParameter( " ignore " );
 if (value == null )
 this .ignore = true ;
 else   if (value.equalsIgnoreCase( " true " ))
 this .ignore = true ;
 else
this .ignore = false ;
}

public   void  doFilter(ServletRequest request, ServletResponse response, FilterChain chain)  throws  IOException, ServletException  {
 //  TODO 自动生成方法存根
if  (ignore  ||  (request.getCharacterEncoding()  ==   null ))  {
String encoding  =  selectEncoding(request);
 if  (encoding  !=   null )
request.setCharacterEncoding(encoding);
}
chain.doFilter(request, response);
}

public   void  destroy()  {
 //  TODO 自动生成方法存根
this .encoding  =   null ;
 this .filterConfig  =   null ;
}

protected  String selectEncoding(ServletRequest request)  {
 return  ( this .encoding);
}
}

 

 

为了项目的测试运行，我们还需要配置 log4j.properties ，这个文件放在 src 根目录下。代码如下：

log4j.rootLogger=info,console
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.layout=org.apache.log4j.SimpleLayout
log4j.logger.com.wehave=DEBUG
# log4j.logger.org.springframework=DEBUG
# SqlMap logging configuration
# log4j.logger.com.ibatis=DEBUG
# log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUG
# log4j.logger.com.ibatis.common.jdbc.ScriptRunner=DEBUG
# log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=DEBUG
log4j.logger.java.sql.Connection=DEBUG
# log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
#log4j.logger.java.sql.ResultSet=DEBUG
#log4j.logger.javax.sql=DEBUG


 

这是一个简单的 log4j 配置方法，只是在后台打印出需要的数据。如果还有别的需求，可以参考这个文档：如何使用 Log4j ？

 

为了达到页面验证的目的，我们还需要使用到 struts 的验证框架。

在 struts-validator 中添加 validation.xml 。在这配置验证规则：

 

<! DOCTYPE form-validation PUBLIC
    "-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.0//EN"
    "http://jakarta.apache.org/commons/dtds/validator_1_0.dtd" >
    
 < form-validation >
     < formset >
         < form  name ="productsForm" >
             < field  property ="gameNameCn"  depends ="required" >
                 < arg0  key ="errors.gameNameCn" />
             </ field >     
             < field  property ="gameNameEn"  depends ="required" >
                 < arg0  key ="errors.gameNameEn" />
             </ field >
             < field  property ="gameCapacity"  depends ="integer" >
                 < arg0  key ="errors.gameCapacity" />
             </ field >
             < field  property ="gamePrice"  depends ="float" >
                 < arg0  key ="errors.gamePrice" />
             </ field >
         </ form >     
     </ formset >
</ form-validation >

 

在同个目录下，添加 validator-rules.xml ，这个在 struts 开发包中有，只需要 copy 过来就可以用了。为了方便大家，我这里将里面配置代码粘贴出来：

<? xml version="1.0" encoding="ISO-8859-1"  ?>
<! DOCTYPE form-validation PUBLIC
          "-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.0//EN"
          "http://jakarta.apache.org/commons/dtds/validator_1_0.dtd" >
<!--

   This file contains the default Struts Validator pluggable validator
   definitions.  It should be placed somewhere under /WEB-INF and
   referenced in the struts-config.xml under the plug-in element
   for the ValidatorPlugIn.

      <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
        <set-property property="pathnames" value="/WEB-INF/validator-rules.xml,
                                                  /WEB-INF/validation.xml"/>
      </plug-in>

   These are the default error messages associated with
   each validator defined in this file.  They should be
   added to your projects ApplicationResources.properties
   file or you can associate new ones by modifying the
   pluggable validators msg attributes in this file.

   # Struts Validator Error Messages
   errors.required={0} is required.
   errors.minlength={0} can not be less than {1} characters.
   errors.maxlength={0} can not be greater than {1} characters.
   errors.invalid={0} is invalid.

   errors.byte={0} must be a byte.
   errors.short={0} must be a short.
   errors.integer={0} must be an integer.
   errors.long={0} must be a long.
   errors.float={0} must be a float.
   errors.double={0} must be a double.

   errors.date={0} is not a date.
   errors.range={0} is not in the range {1} through {2}.
   errors.creditcard={0} is an invalid credit card number.
   errors.email={0} is an invalid e-mail address.

 -->

< form-validation >

     < global >
         < validator  name ="required"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateRequired"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            msg ="errors.required" >
             < javascript > <![CDATA[
            function validateRequired(form) {
                var isValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oRequired = new required();
                for (x in oRequired) {
                    var field = form[oRequired[x][0]];
                    
                    if (field.type == 'text' ||
                        field.type == 'textarea' ||
                        field.type == 'file' ||
                        field.type == 'select-one' ||
                        field.type == 'radio' ||
                        field.type == 'password' ||
                        field.type == 'hidden') {
                        
                        var value = '';
                        // get field's value
                        if (field.type == "select-one") {
                            var si = field.selectedIndex;
                            if (si >= 0) {
                                value = field.options[si].value;
                            }
                        } else {
                            value = field.value;
                        }
                        
                        if (trim(value).length == 0) {
                        
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oRequired[x][1];
                            isValid = false;
                        }
                    }
                }
                if (fields.length > 0) {
                  if(focusField.type!='hidden'){
                   focusField.focus();
                  }
                   alert(fields.join('\n'));
                }
                return isValid;
            }
            
            // Trim whitespace from left and right sides of s.
            function trim(s) {
                return s.replace( /^\s*/, "" ).replace( /\s*$/, "" );
            }
            
             ]]>   </ javascript >
         </ validator >
         <!--
          Åжϸ´Ñ¡¿ò²»ÄÜΪ¿Õ
          ÕÔÆ·º£  2004
           -->
         < validator  name ="requiredif"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateRequiredIf"  
            methodParams ="java.lang.Object,
                               org.apache.commons.validator.ValidatorAction,
                               org.apache.commons.validator.Field,
                               org.apache.struts.action.ActionErrors,
                               org.apache.commons.validator.Validator,
                               javax.servlet.http.HttpServletRequest"  
            msg ="errors.required" >
             < javascript > <![CDATA[
            function validateRequiredIf(form) {
                var isValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                var j=0;
                oRequiredif = new requiredif();
                for (x in oRequiredif) {
                    var field = form[oRequiredif[x][0]];
                    for(var ii=0;ii<field.length;ii++){
                        if(field[ii].checked==true){
                            j++;
                        }
                    }  
                     if (j == 0) {
                        
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oRequiredif[x][1];
                            isValid = false;
                    }
                }

                if (fields.length > 0) {
                   alert(fields.join('\n'));
                }
                return isValid;
            }
             ]]>   </ javascript >
         </ validator >
         < validator  name ="minlength"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateMinLength"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.minlength" >
             < javascript > <![CDATA[
            function validateMinLength(form) {
                var isValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oMinLength = new minlength();
                for (x in oMinLength) {
                    var field = form[oMinLength[x][0]];
                    
                    if (field.type == 'text' ||
                        field.type == 'textarea'||
                        field.type == 'password') {
                        
                        var iMin = parseInt(oMinLength[x][2]("minlength"));
                        if ((trim(field.value).length > 0) && (field.value.length < iMin)) {
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oMinLength[x][1];
                            isValid = false;
                        }
                    }
                }
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return isValid;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="maxlength"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateMaxLength"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.maxlength" >
             < javascript > <![CDATA[
            function validateMaxLength(form) {
                var isValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oMaxLength = new maxlength();
                for (x in oMaxLength) {
                    var field = form[oMaxLength[x][0]];
                    
                    if (field.type == 'text' ||
                        field.type == 'textarea'||
                        field.type == 'password') {
                        
                        var iMax = parseInt(oMaxLength[x][2]("maxlength"));
                        if (field.value.length > iMax) {
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oMaxLength[x][1];
                            isValid = false;
                        }
                    }
                }
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return isValid;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="mask"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateMask"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.invalid" >
             < javascript > <![CDATA[
            function validateMask(form) {
                var isValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oMasked = new mask();
                for (x in oMasked) {
                    var field = form[oMasked[x][0]];
                    
                    if ((field.type == 'text' || 
                         field.type == 'textarea'||
                        field.type == 'password') && 
                         (field.value.length > 0)) {
                        
                        if (!matchPattern(field.value, oMasked[x][2]("mask"))) {
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oMasked[x][1];
                            isValid = false;
                        }
                    }
                }
                
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return isValid;
            }

            function matchPattern(value, mask) {
               return mask.exec(value);
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="byte"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateByte"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.byte"  jsFunctionName ="ByteValidations" >
             < javascript > <![CDATA[
            function validateByte(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oByte = new ByteValidations();
                for (x in oByte) {
                    var field = form[oByte[x][0]];
                    
                    if (field.type == 'text' ||
                        field.type == 'textarea' ||
                        field.type == 'select-one' ||
                        field.type == 'radio') {

                        var value = '';
                        // get field's value
                        if (field.type == "select-one") {
                            var si = field.selectedIndex;
                            if (si >= 0) {
                                value = field.options[si].value;
                            }
                        } else {
                            value = field.value;
                        }
                        
                        if (value.length > 0) {
                            if (!isAllDigits(value)) {
                                bValid = false;
                                if (i == 0) {
                                    focusField = field;
                                }
                                fields[i++] = oByte[x][1];

                            } else {

                                var iValue = parseInt(value);
                                if (isNaN(iValue) || !(iValue >= -128 && iValue <= 127)) {
                                    if (i == 0) {
                                        focusField = field;
                                    }
                                    fields[i++] = oByte[x][1];
                                    bValid = false;
                                }
                            }
                        }
                        
                    }
                }
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return bValid;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="short"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateShort"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.short"  jsFunctionName ="ShortValidations" >
             < javascript > <![CDATA[
            function validateShort(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oShort = new ShortValidations();
                for (x in oShort) {
                    var field = form[oShort[x][0]];
                    
                    if (field.type == 'text' ||
                        field.type == 'textarea' ||
                        field.type == 'select-one' ||
                        field.type == 'radio') {
                        
                        var value = '';
                        // get field's value
                        if (field.type == "select-one") {
                            var si = field.selectedIndex;
                            if (si >= 0) {
                                value = field.options[si].value;
                            }
                        } else {
                            value = field.value;
                        }
                        
                        if (value.length > 0) {
                            if (!isAllDigits(value)) {
                                bValid = false;
                                if (i == 0) {
                                    focusField = field;
                                }
                                fields[i++] = oShort[x][1];

                            } else {
                        
                                var iValue = parseInt(value);
                                if (isNaN(iValue) || !(iValue >= -32768 && iValue <= 32767)) {
                                    if (i == 0) {
                                        focusField = field;
                                    }
                                    fields[i++] = oShort[x][1];
                                    bValid = false;
                                }
                           }
                       }
                    }
                }
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return bValid;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="integer"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateInteger"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.integer"  jsFunctionName ="IntegerValidations" >
             < javascript > <![CDATA[
            function validateInteger(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oInteger = new IntegerValidations();
                for (x in oInteger) {
                    var field = form[oInteger[x][0]];

                    if (field.type == 'text' ||
                        field.type == 'textarea' ||
                        field.type == 'select-one' ||
                        field.type == 'radio') {
                        
                        var value = '';
                        // get field's value
                        if (field.type == "select-one") {
                            var si = field.selectedIndex;
                            if (si >= 0) {
                                value = field.options[si].value;
                            }
                        } else {
                            value = field.value;
                        }
                        
                        if (value.length > 0) {
                        
                            if (!isAllDigits(value)) {
                                bValid = false;
                                if (i == 0) {
                                    focusField = field;
                                }
                                fields[i++] = oInteger[x][1];
                                
                            } else {
                                var iValue = parseInt(value);
                                if (isNaN(iValue) || !(iValue >= -2147483648 && iValue <= 2147483647)) {
                                    if (i == 0) {
                                        focusField = field;
                                    }
                                    fields[i++] = oInteger[x][1];
                                    bValid = false;
                               }
                           }
                       }
                    }
                }
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return bValid;
            }

            function isAllDigits(argvalue) {
                argvalue = argvalue.toString();
                var validChars = "0123456789";
                var startFrom = 0;
                if (argvalue.substring(0, 2) == "0x") {
                   validChars = "0123456789abcdefABCDEF";
                   startFrom = 2;
                } else if (argvalue.charAt(0) == "-") {
                    startFrom = 1;
                }
                
                for (var n = startFrom; n < argvalue.length; n++) {
                    if (validChars.indexOf(argvalue.substring(n, n+1)) == -1) return false;
                }
                return true;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="long"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateLong"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.long" />
         < validator  name ="float"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateFloat"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.float"  jsFunctionName ="FloatValidations" >
             < javascript > <![CDATA[
            function validateFloat(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oFloat = new FloatValidations();
                for (x in oFloat) {
                    var field = form[oFloat[x][0]];
                    
                    if (field.type == 'text' ||
                        field.type == 'textarea' ||
                        field.type == 'select-one' ||
                        field.type == 'radio') {
                        
                        var value = '';
                        // get field's value
                        if (field.type == "select-one") {
                            var si = field.selectedIndex;
                            if (si >= 0) {
                                value = field.options[si].value;
                            }
                        } else {
                            value = field.value;
                        }
                        
                        if (value.length > 0) {
                            // remove '.' before checking digits
                            var tempArray = value.split('.');
                            var joinedString= tempArray.join('');

                            if (!isAllDigits(joinedString)) {
                                bValid = false;
                                if (i == 0) {
                                    focusField = field;
                                }
                                fields[i++] = oFloat[x][1];

                            } else {
                                var iValue = parseFloat(value);
                                if (isNaN(iValue)) {
                                    if (i == 0) {
                                        focusField = field;
                                    }
                                    fields[i++] = oFloat[x][1];
                                    bValid = false;
                                }
                            }
                        }
                    }
                }
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return bValid;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="double"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateDouble"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.double" />
         < validator  name ="date"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateDate"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.date"  jsFunctionName ="DateValidations" >
             < javascript > <![CDATA[
            function validateDate(form) {
               var bValid = true;
               var focusField = null;
               var i = 0;
               var fields = new Array();
               oDate = new DateValidations();
               for (x in oDate) {
                   var value = form[oDate[x][0]].value;
                   var datePattern = oDate[x][2]("datePatternStrict");
                   if ((form[oDate[x][0]].type == 'text' ||
                        form[oDate[x][0]].type == 'textarea') &&
                       (value.length > 0) &&
                       (datePattern.length > 0)) {
                     var MONTH = "MM";
                     var DAY = "dd";
                     var YEAR = "yyyy";
                     var orderMonth = datePattern.indexOf(MONTH);
                     var orderDay = datePattern.indexOf(DAY);
                     var orderYear = datePattern.indexOf(YEAR);
                     if ((orderDay < orderYear && orderDay > orderMonth)) {
                         var iDelim1 = orderMonth + MONTH.length;
                         var iDelim2 = orderDay + DAY.length;
                         var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
                         var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
                         if (iDelim1 == orderDay && iDelim2 == orderYear) {
                            dateRegexp = new RegExp("^(\\d{2})(\\d{2})(\\d{4})$");
                         } else if (iDelim1 == orderDay) {
                            dateRegexp = new RegExp("^(\\d{2})(\\d{2})[" + delim2 + "](\\d{4})$");
                         } else if (iDelim2 == orderYear) {
                            dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})(\\d{4})$");
                         } else {
                            dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{4})$");
                         }
                         var matched = dateRegexp.exec(value);
                         if(matched != null) {
                            if (!isValidDate(matched[2], matched[1], matched[3])) {
                               if (i == 0) {
                                   focusField = form[oDate[x][0]];
                               }
                               fields[i++] = oDate[x][1];
                               bValid =  false;
                            }
                         } else {
                            if (i == 0) {
                                focusField = form[oDate[x][0]];
                            }
                            fields[i++] = oDate[x][1];
                            bValid =  false;
                         }
                     } else if ((orderMonth < orderYear && orderMonth > orderDay)) {
                         var iDelim1 = orderDay + DAY.length;
                         var iDelim2 = orderMonth + MONTH.length;
                         var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
                         var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
                         if (iDelim1 == orderMonth && iDelim2 == orderYear) {
                             dateRegexp = new RegExp("^(\\d{2})(\\d{2})(\\d{4})$");
                         } else if (iDelim1 == orderMonth) {
                             dateRegexp = new RegExp("^(\\d{2})(\\d{2})[" + delim2 + "](\\d{4})$");
                         } else if (iDelim2 == orderYear) {
                             dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})(\\d{4})$");
                         } else {
                             dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{4})$");
                         }
                         var matched = dateRegexp.exec(value);
                         if(matched != null) {
                             if (!isValidDate(matched[1], matched[2], matched[3])) {
                                 if (i == 0) {
                                     focusField = form[oDate[x][0]];
                                 }
                                 fields[i++] = oDate[x][1];
                                 bValid =  false;
                              }
                         } else {
                             if (i == 0) {
                                 focusField = form[oDate[x][0]];
                             }
                             fields[i++] = oDate[x][1];
                             bValid =  false;
                         }
                     } else if ((orderMonth > orderYear && orderMonth < orderDay)) {
                         var iDelim1 = orderYear + YEAR.length;
                         var iDelim2 = orderMonth + MONTH.length;
                         var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
                         var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
                         if (iDelim1 == orderMonth && iDelim2 == orderDay) {
                             dateRegexp = new RegExp("^(\\d{4})(\\d{2})(\\d{2})$");
                         } else if (iDelim1 == orderMonth) {
                             dateRegexp = new RegExp("^(\\d{4})(\\d{2})[" + delim2 + "](\\d{2})$");
                         } else if (iDelim2 == orderDay) {
                             dateRegexp = new RegExp("^(\\d{4})[" + delim1 + "](\\d{2})(\\d{2})$");
                         } else {
                             dateRegexp = new RegExp("^(\\d{4})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{2})$");
                         }
                         var matched = dateRegexp.exec(value);
                         if(matched != null) {
                             if (!isValidDate(matched[3], matched[2], matched[1])) {
                                 if (i == 0) {
                                     focusField = form[oDate[x][0]];
                                  }
                                  fields[i++] = oDate[x][1];
                                  bValid =  false;
                              }
                          } else {
                              if (i == 0) {
                                  focusField = form[oDate[x][0]];
                              }
                              fields[i++] = oDate[x][1];
                              bValid =  false;
                          }
                     } else {
                         if (i == 0) {
                             focusField = form[oDate[x][0]];
                         }
                         fields[i++] = oDate[x][1];
                         bValid =  false;
                     }
                  }
               }
               if (fields.length > 0) {
                  focusField.focus();
                  alert(fields.join('\n'));
               }
               return bValid;
            }

        function isValidDate(day, month, year) {
            if (month < 1 || month > 12) {
                    return false;
                }
                if (day < 1 || day > 31) {
                    return false;
                }
                if ((month == 4 || month == 6 || month == 9 || month == 11) &&
                    (day == 31)) {
                    return false;
                }
                if (month == 2) {
                    var leap = (year % 4 == 0 &&
                               (year % 100 != 0 || year % 400 == 0));
                    if (day>29 || (day == 29 && !leap)) {
                        return false;
                    }
                }
                return true;
            } ]]>   </ javascript >
         </ validator >
         <!--  range is deprecated use intRange instead  -->
         < validator  name ="range"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateIntRange"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends ="integer"  msg ="errors.range" >
             < javascript > <![CDATA[
            function validateRange(form) {
                return validateIntRange(form);
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="intRange"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateIntRange"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends ="integer"  msg ="errors.range" >
             < javascript > <![CDATA[
            function validateIntRange(form) {
                var isValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oRange = new intRange();
                for (x in oRange) {
                    var field = form[oRange[x][0]];
                    
                    if ((field.type == 'text' ||
                         field.type == 'textarea') &&
                        (field.value.length > 0)) {
                        
                        var iMin = parseInt(oRange[x][2]("min"));
                        var iMax = parseInt(oRange[x][2]("max"));
                        var iValue = parseInt(field.value);
                        if (!(iValue >= iMin && iValue <= iMax)) {
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oRange[x][1];
                            isValid = false;
                        }
                    }
                }
                if (fields.length > 0) {
                    focusField.focus();
                    alert(fields.join('\n'));
                }
                return isValid;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="floatRange"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateFloatRange"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends ="float"  msg ="errors.range" >
             < javascript > <![CDATA[
            function validateFloatRange(form) {
                var isValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oRange = new floatRange();
                for (x in oRange) {
                    var field = form[oRange[x][0]];
                    
                    if ((field.type == 'text' ||
                         field.type == 'textarea') &&
                        (field.value.length > 0)) {
                        
                        var fMin = parseFloat(oRange[x][2]("min"));
                        var fMax = parseFloat(oRange[x][2]("max"));
                        var fValue = parseFloat(field.value);
                        if (!(fValue >= fMin && fValue <= fMax)) {
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oRange[x][1];
                            isValid = false;
                        }
                    }
                }
                if (fields.length > 0) {
                    focusField.focus();
                    alert(fields.join('\n'));
                }
                return isValid;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="creditCard"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateCreditCard"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.creditcard" >
             < javascript > <![CDATA[
            function validateCreditCard(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oCreditCard = new creditCard();
                for (x in oCreditCard) {
                    if ((form[oCreditCard[x][0]].type == 'text' ||
                         form[oCreditCard[x][0]].type == 'textarea') &&
                        (form[oCreditCard[x][0]].value.length > 0)) {
                        if (!luhnCheck(form[oCreditCard[x][0]].value)) {
                            if (i == 0) {
                                focusField = form[oCreditCard[x][0]];
                            }
                            fields[i++] = oCreditCard[x][1];
                            bValid = false;
                        }
                    }
                }
                if (fields.length > 0) {
                    focusField.focus();
                    alert(fields.join('\n'));
                }
                return bValid;
            }

            /**
             * Reference: http://www.ling.nwu.edu/~sburke/pub/luhn_lib.pl
             */
            function luhnCheck(cardNumber) {
                if (isLuhnNum(cardNumber)) {
                    var no_digit = cardNumber.length;
                    var oddoeven = no_digit & 1;
                    var sum = 0;
                    for (var count = 0; count < no_digit; count++) {
                        var digit = parseInt(cardNumber.charAt(count));
                        if (!((count & 1) ^ oddoeven)) {
                            digit *= 2;
                            if (digit > 9) digit -= 9;
                        };
                        sum += digit;
                    };
                    if (sum == 0) return false;
                    if (sum % 10 == 0) return true;
                };
                return false;
            }

            function isLuhnNum(argvalue) {
                argvalue = argvalue.toString();
                if (argvalue.length == 0) {
                    return false;
                }
                for (var n = 0; n < argvalue.length; n++) {
                    if ((argvalue.substring(n, n+1) < "0") ||
                        (argvalue.substring(n,n+1) > "9")) {
                        return false;
                    }
                }
                return true;
            } ]]>   </ javascript >
         </ validator >
         < validator  name ="email"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateEmail"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.email" >
             < javascript > <![CDATA[
            function validateEmail(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                oEmail = new email();
                for (x in oEmail) {
                    if ((form[oEmail[x][0]].type == 'text' ||
                         form[oEmail[x][0]].type == 'textarea') &&
                        (form[oEmail[x][0]].value.length > 0)) {
                        if (!checkEmail(form[oEmail[x][0]].value)) {
                            if (i == 0) {
                                focusField = form[oEmail[x][0]];
                            }
                            fields[i++] = oEmail[x][1];
                            bValid = false;
                        }
                    }
                }
                if (fields.length > 0) {
                    focusField.focus();
                    alert(fields.join('\n'));
                }
                return bValid;
            }

            /**
             * Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com),
             * http://javascript.internet.com
             */
            function checkEmail(emailStr) {
               if (emailStr.length == 0) {
                   return true;
               }
               var emailPat=/^(.+)@(.+)$/;
               var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
               var validChars="\[^\\s" + specialChars + "\]";
               var quotedUser="(\"[^\"]*\")";
               var ipDomainPat=/^(\d{1,3})[.](\d{1,3})[.](\d{1,3})[.](\d{1,3})$/;
               var atom=validChars + '+';
               var word="(" + atom + "|" + quotedUser + ")";
               var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
               var domainPat=new RegExp("^" + atom + "(\\." + atom + ")*$");
               var matchArray=emailStr.match(emailPat);
               if (matchArray == null) {
                   return false;
               }
               var user=matchArray[1];
               var domain=matchArray[2];
               if (user.match(userPat) == null) {
                   return false;
               }
               var IPArray = domain.match(ipDomainPat);
               if (IPArray != null) {
                   for (var i = 1; i <= 4; i++) {
                      if (IPArray[i] > 255) {
                         return false;
                      }
                   }
                   return true;
               }
               var domainArray=domain.match(domainPat);
               if (domainArray == null) {
                   return false;
               }
               var atomPat=new RegExp(atom,"g");
               var domArr=domain.match(atomPat);
               var len=domArr.length;
               if ((domArr[domArr.length-1].length < 2) ||
                   (domArr[domArr.length-1].length > 3)) {
                   return false;
               }
               if (len < 2) {
                   return false;
               }
               return true;
            } ]]>   </ javascript >
         </ validator >
         <!--
          ÅжÏÊý×éÿ¸öÊýÖµ¶¼²»ÄÜΪ¿Õ
          ÕÔÆ·º£  2004
           -->
         < validator  name ="requiredArray"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateRequiredArray"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.required"  
            jsFunctionName ="RequiredArrayValidations" >
             < javascript > <![CDATA[
            function validateRequiredArray(form) {
                var isValid = true;
                var focusField = null;
                var i = 0;
                var fields = new Array();
                var j=0;
                oRequired = new RequiredArrayValidations();
                for (x in oRequired) {
                    var field = form[oRequired[x][0]];
                    for(var ii=0;ii<field.length;ii++){
                        if(field[ii].value.length>0){
                            j++;
                        }
                    }  
                     if (j < field.length) {
                        
                            if (i == 0) {
                                focusField = field;
                            }
                            fields[i++] = oRequired[x][1];
                            isValid = false;
                    }
                }

                if (fields.length > 0) {
                   alert(fields.join('\n'));
                }
                return isValid;
            }
             ]]>   </ javascript >
         </ validator >
         <!--
          ÅжÏÊý×éÿ¸ö²»Îª¿ÕµÄÊýÖµ¶¼±ØÐëΪÕûÐÍ
          ÕÔÆ·º£  2004
           -->
         < validator  name ="integerArray"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateIntegerArray"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.integer"  
            jsFunctionName ="IntegerArrayValidations" >
             < javascript > <![CDATA[
            function validateIntegerArray(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var j=0;
                var fields = new Array();
                oInteger = new IntegerArrayValidations();
                for (x in oInteger) {
                    var field = form[oInteger[x][0]];
                    for(var ii=0;ii<field.length;ii++){
                        var value=field[ii].value;
                        if (value.length > 0) {
                        
                            if (!isAllDigits(value)) {
                                bValid = false;                                
                                j++;
                                if(j==1){
                                    focusField = field[ii];
                                }
                                
                            } else {
                                var iValue = parseInt(value);
                                if (isNaN(iValue) || !(iValue >= -2147483648 && iValue <= 2147483647)) {
                                    bValid = false;
                                    j++;
                                    if(j==1){
                                        focusField = field[ii];
                                    }
                               }
                           }
                       }
                    }  
                     if (j > 0) {
                        
                            fields[i++] = oInteger[x][1];
                            isValid = false;
                    }
                }
                    
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return bValid;
            }

             ]]>   </ javascript >
         </ validator >
         <!--
          ÅжÏÊý×éÿ¸ö²»Îª¿ÕµÄÊýÖµ¶¼±ØÐëΪ¸¡µãÐÍ
          ÕÔÆ·º£  2004
           -->
         < validator  name ="floatArray"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateFloatArray"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.float"  
            jsFunctionName ="FloatArrayValidations" >
             < javascript > <![CDATA[
            function validateFloatArray(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var j=0;
                var fields = new Array();
                oFloat = new FloatArrayValidations();
                for (x in oFloat) {
                    var field = form[oFloat[x][0]];
                    for(var ii=0;ii<field.length;ii++){
                        var value=field[ii].value;
                        
                       if (value.length > 0) {
                            // remove '.' before checking digits
                            var tempArray = value.split('.');
                            var joinedString= tempArray.join('');

                            if (!isAllDigits(joinedString)) {
                                bValid = false;
                                j++;
                                if (j == 1) {
                                    focusField = field[ii];
                                }
                                
                            } else {
                                var iValue = parseFloat(value);
                                if (isNaN(iValue)) {
                                    j++;
                                    if (j == 1) {
                                        focusField = field[ii];
                                    }
                                    bValid = false;
                                }
                            }
                        }
                    }  
                     if (j > 0) {
                        
                            fields[i++] = oFloat[x][1];
                            isValid = false;
                    }
                }
                    
                if (fields.length > 0) {
                   focusField.focus();
                   alert(fields.join('\n'));
                }
                return bValid;
            }

             ]]>   </ javascript >
         </ validator >
         <!--
          ÅжÏÊý×éÿ¸ö²»Îª¿ÕµÄÊýÖµ¶¼±ØÐëΪ˫¾«¶ÈÐÍ
          ÕÔÆ·º£  2004
           -->         
         < validator  name ="doubleArray"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateDoubleArray"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.double" />
         <!--
          ÅжÏÊý×éÿ¸ö²»Îª¿ÕµÄÊýÖµ¶¼±ØÐëΪÈÕÆÚÐÍ
          ÕÔÆ·º£  2004
           -->             
         < validator  name ="dateArray"  
            classname ="org.apache.struts.validator.FieldChecks"  
            method ="validateDateArray"  
            methodParams ="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionErrors,
                       javax.servlet.http.HttpServletRequest"  
            depends =""  msg ="errors.date"  jsFunctionName ="DateArrayValidations" >
             < javascript > <![CDATA[
            function validateDateArray(form) {
                var bValid = true;
                var focusField = null;
                var i = 0;
                var j=0;
                var fields = new Array();
                oDate = new DateArrayValidations();
                for (x in oDate) {
                    var field = form[oDate[x][0]];
                    for(var ii=0;ii<field.length;ii++){
                        var value=field[ii].value;
                        var datePattern = oDate[x][2]("datePatternStrict");
                        if ((value.length > 0) &&
                           (datePattern.length > 0)) {
                          var MONTH = "MM";
                          var DAY = "dd";
                          var YEAR = "yyyy";
                          var orderMonth = datePattern.indexOf(MONTH);
                          var orderDay = datePattern.indexOf(DAY);
                          var orderYear = datePattern.indexOf(YEAR);
                          if ((orderDay < orderYear && orderDay > orderMonth)) {
                             var iDelim1 = orderMonth + MONTH.length;
                             var iDelim2 = orderDay + DAY.length;
                             var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
                             var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
                             if (iDelim1 == orderDay && iDelim2 == orderYear) {
                                dateRegexp = new RegExp("^(\\d{2})(\\d{2})(\\d{4})$");
                             } else if (iDelim1 == orderDay) {
                                dateRegexp = new RegExp("^(\\d{2})(\\d{2})[" + delim2 + "](\\d{4})$");
                             } else if (iDelim2 == orderYear) {
                                dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})(\\d{4})$");
                             } else {
                                dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{4})$");
                             }
                             var matched = dateRegexp.exec(value);
                             if(matched != null) {
                                if (!isValidDate(matched[2], matched[1], matched[3])) {
                                   
                                   bValid =  false;
                                   j++;
                                }
                             } else {
                                bValid =  false;
                                j++;
                             }
                           } else if ((orderMonth < orderYear && orderMonth > orderDay)) {
                             var iDelim1 = orderDay + DAY.length;
                             var iDelim2 = orderMonth + MONTH.length;
                             var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
                             var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
                             if (iDelim1 == orderMonth && iDelim2 == orderYear) {
                                 dateRegexp = new RegExp("^(\\d{2})(\\d{2})(\\d{4})$");
                             } else if (iDelim1 == orderMonth) {
                                 dateRegexp = new RegExp("^(\\d{2})(\\d{2})[" + delim2 + "](\\d{4})$");
                             } else if (iDelim2 == orderYear) {
                                 dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})(\\d{4})$");
                             } else {
                                 dateRegexp = new RegExp("^(\\d{2})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{4})$");
                             }
                             var matched = dateRegexp.exec(value);
                             if(matched != null) {
                                 if (!isValidDate(matched[1], matched[2], matched[3])) {
                                     j++;
                                     bValid =  false;
                                  }
                             } else {
                                 j++;
                                 bValid =  false;
                             }
                           } else if ((orderMonth > orderYear && orderMonth < orderDay)) {
                             var iDelim1 = orderYear + YEAR.length;
                             var iDelim2 = orderMonth + MONTH.length;
                             var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
                             var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
                             if (iDelim1 == orderMonth && iDelim2 == orderDay) {
                                 dateRegexp = new RegExp("^(\\d{4})(\\d{2})(\\d{2})$");
                             } else if (iDelim1 == orderMonth) {
                                 dateRegexp = new RegExp("^(\\d{4})(\\d{2})[" + delim2 + "](\\d{2})$");
                             } else if (iDelim2 == orderDay) {
                                 dateRegexp = new RegExp("^(\\d{4})[" + delim1 + "](\\d{2})(\\d{2})$");
                             } else {
                                 dateRegexp = new RegExp("^(\\d{4})[" + delim1 + "](\\d{2})[" + delim2 + "](\\d{2})$");
                             }
                             var matched = dateRegexp.exec(value);
                             if(matched != null) {
                                 if (!isValidDate(matched[3], matched[2], matched[1])) {
                                     j++;
                                     bValid =  false;
                                  }
                              } else {
                                  j++;
                                  bValid =  false;
                              }
                         } else {
                             j++;
                             bValid =  false;
                         }
                      }                      
                      }
                     if (j > 0) {
                        
                            fields[i++] = oDate[x][1];
                            isValid = false;
                     }
                }
                    
                if (fields.length > 0) {
                   alert(fields.join('\n'));
                }
                return bValid;
            }

             ]]>   </ javascript >
         </ validator >
     </ global >

</ form-validation >


 struts+spring+hibernate的web应用<四> Web层代码编写(2)

posted on 2007-03-14 10:00 千山鸟飞绝 阅读(9296) 评论(8)  编辑  收藏 所属分类: Web开发

FeedBack:
# re: struts+spring+hibernate的web应用 Web层代码编写(1)
2007-03-14 16:15 | 不好说
看了你的代码，感觉到你完全没有理解Struts，完全没有理解OO！  回复  更多评论
  
# re: struts+spring+hibernate的web应用 Web层代码编写(1)
2007-03-14 16:42 | 千山鸟飞绝
to 不好说

不知道你是怎样理解的，可能我所在的公司都不是很好的公司，所以都是这种模式。而且我看到很多网上写的struts文章也是这种模式。

请你说出你高见，这样很多跟我一样写这种模式的人也可以认识到自己不足！  回复  更多评论
  
# re: struts+spring+hibernate的web应用 Web层代码编写(1)
2007-03-14 17:01 | 龙卷风驿站
int sign = 1 ;
try {
productsService.deleteProduct(pd);
sign = 1 ;
} catch (Exception e) {
sign = 2 ;
}

if (sign == 1 ) {
return mapping.findForward( " success " );
} else {
return mapping.findForward( " failure " );
}


代码不至于写这样吧，这样不行吗

try {
productsService.deleteProduct(pd);
} catch (Exception e) {
return mapping.findForward( " failure " );
}
return mapping.findForward( " success " );



  回复  更多评论
  
# re: struts+spring+hibernate的web应用 Web层代码编写(1)
2007-03-14 17:14 | IT进行时
哈哈，楼主被人一棍子打死是有点不好过，不过从代码来看，确实是不少人的做法。
我仅看了web层部分，个人觉得主要的短处在于：
1、应该考虑增加一个baseAction，成为业务action开发的abstract类；
2、在struts的xml中配置过于拖沓，可以通过上述封装简化。  回复  更多评论
  
# re: struts+spring+hibernate的web应用 Web层代码编写(1)
2007-03-24 09:15 | 千山鸟飞绝
昨天有个网友问我会不会appfuse，我说没用过，他说这个挺好，你可以看看。
我也很早听过appfuse，但没去看过，因此昨晚看了一下。

现在明白了“不好说”为什么说我不懂struts了。
正如“IT进行时”所说，可以做个baseaction，确实可以简化一些代码。

我在以前的项目中也接触过用basaction的，甚至dao也有basedao的。但总觉得只是换了个名称而已。

上次我的同事给我看了他公司也以前的代码，他以前的公司比较大，尽然还有一个eclipse插件来根据表生成绝大部分代码的工具（包括页面代码）。ror因为能够一个命令生成一个简单的网站，我看我同事的这个插件也可以达到这个效果了。  回复  更多评论
  
# re: struts+spring+hibernate的web应用 Web层代码编写(1)
2007-04-10 06:00 | 新手上路.
运行以上程序时报错,
Failed to convert property value of type [org.zhua.service.ProductsServiceImpl] to required type [org.zhua.service.ProductsService] for property 'productsService'

请问这是什么原因, 多谢了.  回复  更多评论
  
# re: struts+spring+hibernate的web应用 Web层代码编写(1)[未登录]
2010-07-30 11:14 | leven
我觉得不错，麻雀虽小，五脏俱全，只是个别地方有点小问题而已，楼主，顶你！  回复  更多评论
  
# re: struts+spring+hibernate的web应用 Web层代码编写(1)
2011-09-02 11:21 | 右手悬空
靠，这个我没开通的，标记不了啊
  回复  更多评论
  

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