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只贴代码,其它的就不说了
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 2.0//EN" "http://www.getahead.ltd.uk/dwr/dwr20.dtd">

<dwr>
    
<init>
    
</init>
    
<allow>
        
<create creator="new" javascript="qbusses">
            
<param name="class" value="ajax.Qbusses"/>
        
</create> 
        
<create creator="new" javascript="pagination">
            
<param name="class" value="domain.Pagination"/>
        
</create> 
        
        
<convert converter="bean" match="domain.Person">
            
<param name="include" value="username,email,age"/>
        
</convert>

    
</allow>
    
<signatures>
        
<![CDATA[
            import java.util.*;
            import ajax.Qbusses;
            import domain.Person;
            Qbusses.addMorePerson(List<Person>);
        
]]>
    
</signatures>
</dwr>

业务类
package ajax;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.directwebremoting.*;
import org.apache.commons.lang.*;
import java.util.*;
import domain.Person; 

public class Qbusses {
    
public static List <Person> slist=new ArrayList();
    
    
static{
        slist.add(
new Person("小裴","小裴@gmail.com",1));
        slist.add(
new Person("小李","小李@gmail.com",2));
        slist.add(
new Person("小东","小东@gmail.com",3));
        slist.add(
new Person("小西","小西@gmail.com",4));
        slist.add(
new Person("小坏蛋","小坏蛋@gmail.com",5));
        slist.add(
new Person("小鸭","小鸭@gmail.com",6));
        slist.add(
new Person("小鸡","小鸡@gmail.com",7));
        slist.add(
new Person("小狗","小狗@gmail.com",8));
        slist.add(
new Person("小猪","小猪@gmail.com",9));
        slist.add(
new Person("小洪","小洪@gmail.com",10));
        slist.add(
new Person("小飞","小飞@gmail.com",11));
        slist.add(
new Person("小郑","小郑@gmail.com",12));
        slist.add(
new Person("小古","小古@gmail.com",13));
        slist.add(
new Person("小猫","小猫@gmail.com",14));
        slist.add(
new Person("小红","小红@gmail.com",15));
        slist.add(
new Person("小黑","小黑@gmail.com",16));
        slist.add(
new Person("Think Pad","Think@gmail.com",17));
        
    }
    
public String getSessionAndRequestData(){
        String result
="";
        org.directwebremoting.WebContext wc
=org.directwebremoting.WebContextFactory.get();
        HttpSession session
=wc.getSession();
        String str_session
=(String)session.getAttribute("sess");
        HttpServletRequest request
=wc.getHttpServletRequest();
        String str_request
=(String)request.getAttribute("req");
        
if(StringUtils.isEmpty(str_session)){
            str_session
="session等于空";
        }
        
if(StringUtils.isEmpty(str_request)){
            str_request
="request等于空";
        }
        result
=str_session+"-"+str_request;
        
return result;
    }
    
/**
     * 摸拟不刷新页面翻页,每页三条记录
     * 
@param page 查询页数
     * 
@return
     
*/
    
public List<Person > QueryPersonList(int page ){
        List 
<Person>result=new ArrayList<Person>();
        
if(page==0){
            result
=slist;
        }
else{
            page
=page<1?1:page;
            
int start=3*(page-1);
            
int end =3*page;
            result
=slist.subList(start,end);
        }

        
        
return result;
    }
    
/**
     * 添加person
     * 
@param person
     
*/
    
public void addPerson(Person person){
        slist.add(person);
    }
    
/**
     * 修改Person
     * 
@param person
     
*/
    
public void modifyPerson(Person person){
        
        Person temp
=null;
        
for(Iterator it=slist.iterator();it.hasNext();){
            temp
=(Person) it.next();
            
if(temp.getAge()==person.getAge()){
                slist.remove(temp);
                slist.add(person);
                
return;
            }
        }
    }
    
/**
     * 获取序列的person对象
     * 
@param pos
     * 
@return
     
*/
    
public Person getPerson(int pos){
        Person person
=null;
        person
=slist.get(pos);
        
return person;
    }
    
/**
     * 以list做为参数的方法
     * 
@param plist
     * 
@return
     
*/
    
public String addMorePerson(List<Person>plist){
        System.out.println(plist.size());
        
return "添加的记录长度是: "+plist.size();
    }
    
/**
     * 返回list的方法
     * 
@return
     
*/
    
public List getPersonList(){
        List 
<Person>result=new ArrayList<Person>();
        result.add(slist.get(
0));
        result.add(slist.get(
1));
        
return result;
    }
}
接下来domain类
package domain;

import ajax.Qbusses;

public class Pagination {
    
private int page;
    
private int rowcount;//记录总行数
    private int pagerowcount=5;//每页行记录数
    private int totalpage;  //总页数
    
    
public Pagination(int rowcount){
        
this.rowcount=rowcount;
        totalpage
=rowcount%pagerowcount;
        
if(rowcount%pagerowcount>0){
            totalpage
=totalpage+1;
        }
    }
    
public Pagination(){
        
this.rowcount=Qbusses.slist.size();
        totalpage
=rowcount%pagerowcount;
        
if(rowcount%pagerowcount>0){
            totalpage
=totalpage+1;
        }
    }
    
public int getFirst(int page){
        
this.page=page;
        
return page;
    }
    
public int getNext(int page){
        
if(page==totalpage){
            
return totalpage;
        }
else{
            
this.page=page;
            
return page+1;
        }
    }
    
    
public int getUp(int page){
        
if(page==1){
            
return page;
        }
else{
            
this.page=page-1;
            
return page-1;
        }
    }
    
public int getLast(int page){
        
this.page=totalpage;
        
return this.totalpage;
    }
}
package domain;

public class Person {
    
private String username;
    
private String email;
    
private int age;
    
    
    
    
public Person(){
        
    }
    
public Person(String username,String email,int age){
        
this.username=username;
        
this.email=email;
        
this.age=age;
    }
    
public int getAge() {
        
return age;
    }
    
public void setAge(int age) {
        
this.age = age;
    }
    
public String getEmail() {
        
return email;
    }
    
public void setEmail(String email) {
        
this.email = email;
    }
    
public String getUsername() {
        
return username;
    }
    
public void setUsername(String username) {
        
this.username = username;
    }
    
    
}


页面代码
<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding
="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script type='text/javascript'   src='<%=request.getContextPath()%>/dwr/interface/qbusses.js'></script>
<script type='text/javascript'   src='<%=request.getContextPath()%>/dwr/interface/pagination.js'></script>
<script type='text/javascript'   src='<%=request.getContextPath()%>/dwr/engine.js'></script>
<script type='text/javascript'   src='<%=request.getContextPath()%>/dwr/util.js'></script> 
<title>DWR测试</title>
<style>
    .usersTable 
{
        background
: #cccccc;
    
}
    .usersTable thead
{
        background
: #f5f5f5;
    
}
    .usersTable tbody td
{
        font-size
:12px;
        
    
}
.selected
{
    color
:#FFFFFF;
    font-weight
:bold;
    border
:1px solid red;
    background-color
: #0099FF;
}
    
#datalist 
{
    width
: 80%;
    border
: 1px solid #CCCCCC;
}
</style>
<script>
    
function call_getSessionAndRequestData(){
        qbusses.getSessionAndRequestData(back_call_getSessionAndRequestData);
    }
    
function back_call_getSessionAndRequestData(data){
        DWRUtil.setValue(
"data_1",data);
    }
    
var page=1;
    
function first(){
        pagination.getFirst(
1,loadTableData);
        
    }
    
function up(){
        pagination.getUp(page,loadTableData);
    }
    
function next(){
        pagination.getNext(page,loadTableData);
    }
    
function last(){
        pagination.getLast(page,loadTableData);
    }
    
function loadTableData(vpage) {
        page
=vpage;
        
        qbusses.QueryPersonList(vpage,fillTable);
    }
    
    
function fillTable(users) {
        alert(
"返回记录长度->"+users.length);
        DWRUtil.removeAllRows(
"usersBody");
        DWRUtil.addRows(
"usersBody", users, cellFuncs);
        addEvent();
    }
    
    
var cellFuncs=[
      
function(data) {return data.username;},
      
function(data) {return data.email;},
      
function(data) {return data.age;}
    ];
    
var cruRow=false;
    
function addEvent(){
        
var trk=usersBody.firstChild;
        
while(trk){
            trk.onclick
=rowclick;
            trk
=trk.nextSibling;
        }
    }
    
function rowclick(){
        
var cruRow1=event.srcElement;
        
var obj=cruRow1.parentNode;
        
var temp=obj.style.backgroundColor;
        
//alert(obj.style.backgroundColor);
        if(usersBody.selectedObj!=null)
            usersBody.selectedObj.className
="";
        obj.className
="selected";
        
//alert(obj.outerHTML);
        //alert(obj.style.bgColor);
        cruRow=obj;
        
//obj.style.color="#010101";
        document.all("username").value= cruRow.cells[0].innerText;
        document.all(
"email").value= cruRow.cells[1].innerText;
        document.all(
"age").value= cruRow.cells[2].innerText;
        usersBody.selectedObj
=cruRow;
    }
    
function do_add(){
        
var person={username:"",email:"",age:""};
        DWRUtil.getValues(person);
        qbusses.addPerson(person);
        loadTableData();
    }
    
function do_modify(){
        
var person={username:"",email:"",age:""};
        DWRUtil.getValues(person);
        qbusses.modifyPerson(person);
        loadTableData();
    }
    
function back_seePerson(data){
        
for(var property in data){
            alert(property
+"-"+data[property]);
        }
    }
    
function seePerson(){
        
var pos=document.all("pos").value;
        qbusses.getPerson(pos,back_seePerson);
    }
    
    
function dolistparame(){
        
var data;
        data
=[
            {username:'abc',email:document.getElementById(
"xemail").value,age:'56'},
            {username:'cced',email:'cced@qq.com',age:document.getElementById(
"xage").value}
        ];
        qbusses.addMorePerson(data,
function(data){alert(data);} );
    }
    
//返回list的方法
    
    
function callReturnList(){
        qbusses.getPersonList(showListResult);
    }
    
    
function showListResult(data){
        
for(var i=0;i<data.length;i++){
            alert(data[i].username
+"-"+data[i].email+"-"+data[i].age);
        }
    }
    
</script>
</head>
<body onLoad="call_getSessionAndRequestData(),first()">
    
<%
        session.setAttribute(
"sess","session value");
        request.setAttribute(
"req","req value");
     
%>
    
<div style="border :1px #f0f0f0 solid"  id="data_1">
        
    
</div>
    
<div  id="datalist">
        
<href="javaScript:first()">第一页</a>&nbsp;&nbsp;
         
<href="javaScript:up()">上一页</a>&nbsp;&nbsp;
        
<href="javaScript:next()">下一页</a>&nbsp;&nbsp;
         
<href="javaScript:last()">最后一页</a>&nbsp;&nbsp;
        
<table width="524" cellspacing="1" bgcolor="#cccccc" class="usersTable" id="usersTable">
           
<thead>
                   
<tr>
                       
<td bgcolor="#f5f5f5">用户名</td>
                       
<td bgcolor="#f5f5f5">Email</td>
                       
<td bgcolor="#f5f5f5">年龄</td>                                              
                   
</tr>
           
</thead>
           
<tbody id="usersBody">
           
</tbody>
      
</table>
    
</div>
    
<br>
    
<table width="80%" border="0" cellpadding="0" cellspacing="1" bgcolor="#cccccc">
      
<tr>
        
<td width="23%" bgcolor="#f7f7f7">用户名</td>
        
<td width="77%" bgcolor="#ffffff">
          
<input type="text" name="username" >
        
</td>
      
</tr>
      
<tr>
        
<td bgcolor="#f7f7f7">Email</td>
        
<td bgcolor="#ffffff">
          
<input type="text" name="email">
        
</td>
      
</tr>
      
<tr>
        
<td bgcolor="#f7f7f7">年龄</td>
        
<td bgcolor="#ffffff"><input type="text" name="age"></td>
      
</tr>
      
<tr>
        
<td colspan="2" align="center" bgcolor="#f5f5f5">
          
<input type="button" name="btn_modify" value="保存" onClick="do_add()">  
          
<input type="button" name="btn_modify" value="修改" onClick="do_modify()">  
        
</td>
      
</tr>
    
</table>
    
<input type="hidden" id="xemail" value="xkd@qq.com" >
    
<input type="hidden" id="xage" value="888" >
    
<br>
    
<input type="text" name="pos" value="0" > <button onclick="seePerson()">查询</button><Br>
    
<button onclick="dolistparame()">调用list做参数的方法</button><Br>
    
<button onclick="callReturnList()">调用返回List的方法</button>
    
</body>
</html>






posted on 2007-10-19 15:10 有猫相伴的日子 阅读(1399) 评论(0)  编辑  收藏 所属分类: dwr

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