gdufo

ZK Paging组件实现动态分页，描述很通俗易懂

Xml代码  

1.   zul 页面：  
2. <?xml version="1.0" encoding="utf-8"?>  
3. <?init class="org.zkoss.zkplus.databind.AnnotateDataBinderInit" arg0="userWin"?>  
4.   
5. <window id="userWin" width="100%" use="com.linktel.linkFax.web.zk.controller.UserController"  
6.     xmlns:h="http://www.w3.org/1999/xhtml" xmlns:n="http://www.zkoss.org/2005/zk/native"  
7.     xmlns="http://www.zkoss.org/2005/zul" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
8.     xsi:schemaLocation="http://www.zkoss.org/2005/zul http://www.zkoss.org/2005/zul/zul.xsd">  
9.   
10.           <listbox id="userLbx" model="@{userWin.userList}" fixedLayout="true"   paginal="@{pagingUser}" selectedItem="@    
11.                      {userWin.user}">  
12.                   <listhead sizable="true">  
13.                     <listheader label="用户名"></listheader>  
14.                     <listheader label="手机号"></listheader>  
15.                     <listheader label="分机号"></listheader>  
16.                     <listheader label="公司名称"></listheader>  
17.                     <listheader label="部门名称"></listheader>  
18.                     <listheader label="职位"></listheader>  
19.                     <listheader label="传真"></listheader>  
20.                      <listheader label="角色"></listheader>  
21.                     <listheader label="启用状态"></listheader>  
22.                     <listheader label="创建时间" ></listheader>  
23.                    </listhead>  
24.                      
25.                    <listitem self="@{each=user}" forEach="@{user.roles}">  
26.                            <listcell label="@{user.username}"></listcell>  
27.                            <listcell label="@{user.phone}"></listcell>  
28.                            <listcell label="@{user.exten}"></listcell>  
29.                            <listcell label="@{user.coname}"></listcell>  
30.                            <listcell label="@{user.deptname}"></listcell>  
31.                            <listcell label="@{user.position}"></listcell>  
32.                            <listcell label="@{user.fax}"></listcell>  
33.                            <listcell  label="@{each.name}"></listcell>  
34.                            <listcell label="@{user.enabled}"></listcell>  
35.                            <listcell label="@{user.createtime}"></listcell>  
36.                    </listitem>  
37.            </listbox>  
38.                   
39.            <paging id="pagingUser"  pageSize="2"></paging>  
40. </window>  

Java代码  

1. java  代码:  
2. package com.linktel.linkFax.web.zk.controller;  
3.   
4. import java.util.ArrayList;  
5. import java.util.Date;  
6. import java.util.List;  
7.   
8. import org.zkoss.zk.ui.Components;  
9. import org.zkoss.zk.ui.event.Event;  
10. import org.zkoss.zk.ui.event.EventListener;  
11. import org.zkoss.zk.ui.ext.AfterCompose;  
12. import org.zkoss.zkplus.databind.AnnotateDataBinder;  
13. import org.zkoss.zkplus.spring.SpringUtil;  
14.   
15. import org.zkoss.zul.Window;  
16. import org.zkoss.zul.api.Listbox;  
17. import org.zkoss.zul.api.Paging;  
18. import org.zkoss.zul.event.PagingEvent;  
19.   
20. import com.linktel.linkFax.dao.support.Page;  
21. import com.linktel.linkFax.domain.Authority;  
22. import com.linktel.linkFax.domain.Role;  
23. import com.linktel.linkFax.domain.User;  
24. import com.linktel.linkFax.service.UserService;  
25.   
26.   
27. @SuppressWarnings("serial")  
28. public class UserController extends Window implements AfterCompose{  
29.        
30.        private User user = new User();  
31.     protected AnnotateDataBinder binder;  
32.     public List<User> userList;  
33.     protected Listbox userLbx;  
34.   
35.     public User getUser() {  
36.         return user;  
37.     }  
38.     public void setUser(User user) {  
39.         this.user = user;  
40.     }  
41.         public  void setUserList(List<User> userList) {  
42.         this.userList = userList;  
43.     }  
44.   
45.     @Override  
46.     public void afterCompose() {  
47.         Components.wireVariables(this, this);  
48.         Components.addForwards(this, this);  
49.           
50.         onGetUser();//页面初始化的时候条用此方法  
51.     }  
52.   
53.     public void onCreate() {  
54.         binder = (AnnotateDataBinder) this.getVariable("binder", true);  
55.   
56.     }  
57.   
58.     public List<User> onGetUserList() {  
59.         return userList;  
60.     }  
61.   
62.     public void onGetUser() {  
63.     
64.            final UserService service  = (UserService) SpringUtil.getBean("userService");  
65.           final Paging paging= (Paging) this.getFellow("pagingUser");//找到id命名为pagingUser的paging组件  
66.           int totalSize=service.countUser();  //查询出所有数据的记录数；  
67.           paging.setTotalSize(totalSize);   //设置paging组件的总记录数；  
68.           final int pageSize=paging.getPageSize();  //这个我不详细描述了自己想....  
69.                /** 
70.                *下面就是为paging组件添加事件监听器 "onPaging"事件 
71.                * 
72.                */  
73.           paging.addEventListener("onPaging", new EventListener() {  
74.                     public void onEvent(Event event) throws Exception {  
75.                             PagingEvent pagingEvt=(PagingEvent) event;//转化成PaingEvent事件  
76.   
77.                             Page<User> pu=new Page<User>();//这个是我自己写的工具类  
78.                                            //其实就是将传入参数pageSize，pageNo的封装  
79.                                              
80.                             pu.setAutoCount(true);  
81.                             pu.setPageNo( pagingEvt.getActivePage());  
82.                             pu.setPageSize(pageSize);  
83.                               Page<User>  pageUser=    service.pagedUser(pu,user);//后台biz层的数据访问  
84.                               userList=  pageUser.getResult();//result返回一个集合对象全部数据  
85.                                binder.loadComponent(userLbx);//这个不加阐述了  
86.                     }  
87.                 });  
88.                
89.     }  
90.   
91. }