SpringMVC3.0+MyIbatis3.0(分页示例)

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参考资料 
1 ibatis2.x与mybatis(ibatis3.x)的比较 
http://zhaohe162.blog.163.com/blog/static/382167972011111114742371/ 
2 MyBatis学习 之 三、动态SQL语句 
http://limingnihao.iteye.com/blog/782190 
主要使用Oracle的三层sql实现分页! 
一 环境:XP3+Oracle10g+MyEclipse6+(Tomcat)+JDK1.5 
二 工程相关图片: 
1 DEMO图片 

2 工程代码图片 
 
3 相关jar包图片 
 
三 此示例是在: 
SSI:SpringMVC3+Mybatis3(登录及CRUD操作)基础上加的分页功能: 
http://liuzidong.iteye.com/blog/1051760 
四 主要代码文件 
1 BaseController.java用于子类调用方便 

Java代码  

1. package com.liuzd.ssm.web;  
2.   
3. import javax.servlet.http.HttpServletRequest;  
4.   
5. import com.liuzd.page.Page;  
6. import com.liuzd.page.PageState;  
7. import com.liuzd.page.PageUtil;  
8.   
9. /**    
10.  *Title:      
11.  *Description:      
12.  *Copyright: Copyright (c) 2011    
13.  *Company:http://liuzidong.iteye.com/     
14.  *Makedate:2011-5-23 下午03:31:03    
15.  * @author liuzidong    
16.  * @version 1.0    
17.  * @since 1.0     
18.  *    
19.  */  
20. public class BaseController {  
21.       
22.     /** 
23.      * oracel的三层分页语句     
24.      * 子类在展现数据前,进行分页计算!  
25.      * @param totalCount 根据查询SQL获取的总条数 
26.      * @param columnNameDescOrAsc 列名+排序方式 : ID DESC or ASC 
27.      */  
28.     protected Page executePage(HttpServletRequest request,Long totalCount){  
29.         if(null == totalCount){  
30.             totalCount = 0L;  
31.         }  
32.         /**页面状态,这个状态是分页自带的,与业务无关*/  
33.         String pageAction = request.getParameter("pageAction");  
34.         String value = request.getParameter("pageKey");  
35.           
36.         /**获取下标判断分页状态*/  
37.         int index = PageState.getOrdinal(pageAction);                 
38.           
39.         Page page = null;         
40.         /** 
41.          * index < 1 只有二种状态 
42.          * 1 当首次调用时,分页状态类中没有值为 NULL 返回 -1 
43.          * 2 当页面设置每页显示多少条: index=0,当每页显示多少条时,分页类要重新计算 
44.          * */  
45.         Page sessionPage = getPage(request);  
46.           
47.         if(index < 1){             
48.             page = PageUtil.inintPage(totalCount,index,value,sessionPage);  
49.         }else{                
50.             page = PageUtil.execPage(index,value,sessionPage);  
51.         }         
52.         setSession(request,page);     
53.         return page;  
54.     }     
55.       
56.     private Page getPage(HttpServletRequest request) {  
57.         Page page = (Page)request.getSession().getAttribute(PageUtil.SESSION_PAGE_KEY);  
58.         if(page == null){  
59.             page = new Page();  
60.         }  
61.         return page;          
62.     }     
63.       
64.     private void setSession(HttpServletRequest request,Page page) {  
65.         request.getSession().setAttribute(PageUtil.SESSION_PAGE_KEY,page);        
66.     }     
67.   
68. }  

2 UserController.java 

Java代码  

1. package com.liuzd.ssm.web;  
2.   
3. import java.util.HashMap;  
4. import java.util.List;  
5. import java.util.Map;  
6.   
7. import javax.annotation.Resource;  
8. import javax.servlet.http.HttpServletRequest;  
9.   
10. import org.springframework.stereotype.Controller;  
11. import org.springframework.web.bind.annotation.PathVariable;  
12. import org.springframework.web.bind.annotation.RequestMapping;  
13. import org.springframework.web.bind.annotation.SessionAttributes;  
14. import org.springframework.web.servlet.ModelAndView;  
15.   
16. import com.liuzd.page.Page;  
17. import com.liuzd.ssm.entity.User;  
18. import com.liuzd.ssm.service.UserService;  
19.   
20. @Controller  
21. @RequestMapping("/user")  
22. @SessionAttributes("userList")  
23. public class UserController extends BaseController{  
24.       
25.     private UserService userService;  
26.       
27.   
28.     public UserService getUserService() {  
29.         return userService;  
30.     }  
31.       
32.     @Resource  
33.     public void setUserService(UserService userService) {  
34.         this.userService = userService;  
35.     }     
36.   
37.       
38.     @RequestMapping("/userList")  
39.     public ModelAndView userList(HttpServletRequest request){  
40.         Map<String,Object> params = new HashMap<String,Object>();  
41.         //添加查询条件  
42.         // ... params.put("name","jack");...  
43.           
44.         //获取总条数  
45.         Long totalCount = this.getUserService().pageCounts(params);  
46.         //设置分页对象  
47.         Page page = executePage(request,totalCount);          
48.         //如排序  
49.         if(page.isSort()){  
50.             params.put("orderName",page.getSortName());   
51.             params.put("descAsc",page.getSortState());  
52.         }else{  
53.             //没有进行排序,默认排序方式  
54.             params.put("orderName","age");    
55.             params.put("descAsc","asc");  
56.         }  
57.         //压入查询参数:开始条数与结束条灵敏  
58.         params.put("startIndex", page.getBeginIndex());  
59.         params.put("endIndex", page.getEndinIndex());  
60.           
61.         ModelAndView mv = new ModelAndView();         
62.         //查询集合        
63.         List<User> users = this.getUserService().pageList(params);  
64.         mv.addObject("userList",users);               
65.         mv.setViewName("userList");           
66.         return mv;  
67.     }  
68. }     

3 UserMapper.java 

Java代码  

1. package com.liuzd.ssm.mapper;  
2.   
3. import java.util.List;  
4. import java.util.Map;  
5.   
6. import org.apache.ibatis.session.RowBounds;  
7.   
8. import com.liuzd.ssm.entity.User;  
9.   
10. public interface UserMapper{  
11.       
12.     // .....      
13.     public List<User> pageList(Map<String,Object> params);  
14.     //分页总条数  
15.     public Long pageCounts(Map<String,Object> p);  
16.       
17. }  

4 UserMapper.xml 

Java代码  

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"   
3. "http://mybatis.org/dtd/mybatis-3-mapper.dtd">  
4. <mapper namespace="com.liuzd.ssm.mapper.UserMapper">        
5.   
6.    <resultMap type="com.liuzd.ssm.entity.User" id="userMap">  
7.      <id property="id" column="id"/>  
8.      <result property="name" column="name"/>  
9.      <result property="age" column="age"/>  
10.      <result property="sex" column="sex"/>  
11.      <result property="address" column="address"/>  
12.      <result property="password" column="password"/>         
13.    </resultMap>    
14.     <select id="pageList" parameterType="map" resultType="list" resultMap="userMap">     
15.          
16.        select ttt.* from(select tt.*,rownum rn from(select * from users  
17.         <where>            
18.            <if test="name != null and name != ‘‘">  
19.                <!--   
20.                   特别提醒一下， $只是字符串拼接， 所以要特别小心sql注入问题。  
21.                   在开发时使用: $,方便调试sql,发布时使用: #  
22.                  and name like #{name},  
23.                -->  
24.                and name like ‘%${name}%‘                     
25.            </if>    
26.             <if test="sex != null and sex != ‘‘">  
27.                and sex = #{sex}                      
28.             </if>      
29.          </where>    
30.          order by ${orderName} ${descAsc} )tt)ttt  
31.          <where>   
32.            <if test="startIndex != null and startIndex != ‘‘">  
33.                rn > ${startIndex}                     
34.            </if>    
35.             <if test="endIndex != null and endIndex != ‘‘">                
36.                  <![CDATA[ and rn <= ${endIndex}  ]]>                               
37.             </if>      
38.          </where>            
39. </select>    
40.   
41. <select id="pageCounts" parameterType="map" resultType="long">     
42.    select count(*) from users   
43.    <where>   
44.    <if test="name != null and name != ‘‘">  
45.        and name like #{name}                     
46.    </if>    
47.     <if test="sex != null and sex != ‘‘">  
48.        and sex = #{sex}                      
49.    </if>               
50.    </where>    
51. </select>   
52.   
53. </mapper>  

5 userList.jsp 

Java代码  

1. <%@ page language="java" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>  
2. <%@ taglib uri="/WEB-INF/c.tld" prefix="c"%>  
3. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">  
4. <html>  
5.   <head>  
6.     <%@ include file="/common/meta.jsp"%>  
7.   </head>    
8.   <body>  
9.       <table width="60%" border="1" cellpadding="0" align="center">  
10.             <thead>  
11.                 <tr>  
12.                     <th style="cursor: hand;" title="按姓名进行排序" onclick="sortPage(‘name‘)" valign="top">  
13.                         姓名<font color=‘red‘>${page.sortName eq "name" ? page.sortInfo : page.defaultInfo}</font>  
14.                     </th>  
15.                     <th style="cursor: hand;" title="按年龄进行排序" onclick="sortPage(‘age‘)" valign="top">  
16.                         年龄<font color=‘red‘>${page.sortName eq "age" ? page.sortInfo : page.defaultInfo}</font>  
17.                     </th>  
18.                     <th style="cursor: hand;" title="按性别进行排序" onclick="sortPage(‘sex‘)" valign="top">  
19.                         性别<font color=‘red‘>${page.sortName eq "sex" ? page.sortInfo : page.defaultInfo}</font>  
20.                     </th>  
21.                     <th style="cursor: hand;" title="按地址进行排序" onclick="sortPage(‘address‘)" valign="top">  
22.                         地址<font color=‘red‘>${page.sortName eq "address" ? page.sortInfo : page.defaultInfo}</font>  
23.                     </th>  
24.                     <th style="cursor: hand;" >  
25.                         操作  
26.                     </th>  
27.                 </tr>  
28.             </thead>  
29.             <tbody>             
30.   
31.                 <c:forEach items="${userList}" var="user">  
32.                     <tr align="center">  
33.                         <td>  
34.                             ${user.name}  
35.                         </td>  
36.                         <td>  
37.                             ${user.age}  
38.                         </td>  
39.                         <td>  
40.                             ${user.sex eq 1 ? "男" : user.sex eq 2 ? "女" : "未知"}  
41.                         </td>  
42.                         <td>  
43.                             ${user.address}  
44.                         </td>  
45.                         <td>  
46.                             <a  
47.                                 href="${pageContext.request.contextPath}/user/toAddUser.do">添加</a>  
48.                             |  
49.                             <a  
50.                                 href="${pageContext.request.contextPath}/user/getUser/${user.id}.do">编辑</a>  
51.                             |  
52.                             <a  
53.                                 href="${pageContext.request.contextPath}/user/delUser/${user.id}.do">删除</a>  
54.                         </td>  
55.                     </tr>  
56.                 </c:forEach>  
57.                 <jsp:include page="/page/page.jsp">  
58.                     <jsp:param name="url" value="user/userList.do" />                   
59.                 </jsp:include>  
60.                   
61.             </tbody>  
62.         </table>  
63.         <br>  
64.         <a href="${pageContext.request.contextPath}/index.jsp">返回</a>         
65.   </body>  
66. </html>  

6 page.jsp,此页面你不用关心,只管引用就行了 

Java代码  

1. <%@ page language="java" contentType="text/html; charset=UTF-8"  pageEncoding="UTF-8"%>  
2. <%@ taglib uri="/WEB-INF/c.tld" prefix="c"%>  
3. <c:set var="page" value="${sessionScope.page}" />  
4. <c:set var="path" value="${pageContext.request.contextPath}" />  
5. <c:set var="url" value="${param.url}" />  
6. <c:set var="urlParams" value="${param.urlParams}" />  
7. <c:set var="pathurl" value="${path}/${url}" />  
8. <tr>  
9.     <td colspan="5">  
10.         共${page.totalCount}条记录 共${page.totalPage}页 每页显示${page.everyPage}条  
11.         当前第${page.currentPage}页&nbsp;  
12.         <c:choose>  
13.             <c:when test="${page.hasPrePage eq false}">  
14.                 &lt&lt首页&nbsp;&lt上页&nbsp;  
15.             </c:when>  
16.             <c:otherwise>  
17.                 <a href="${pathurl}?&pageAction=first${urlParams}">&lt&lt首页&nbsp;</a>&nbsp;  
18.                 <a href="${pathurl}?pageAction=previous${urlParams}" />&lt上一页</a>  
19.             </c:otherwise>  
20.         </c:choose>  
21.         &nbsp;||&nbsp;  
22.         <c:choose>  
23.             <c:when test="${page.hasNextPage eq false}">  
24.                 &nbsp;下页&gt&nbsp;尾页&gt&gt  
25.             </c:when>  
26.             <c:otherwise>  
27.                 <a href="${pathurl}?&pageAction=next${urlParams}">下一页&gt&nbsp;</a>&nbsp;  
28.                 <a href="${pathurl}?pageAction=last${urlParams}" />末页&gt&gt</a>  
29.             </c:otherwise>  
30.         </c:choose>  
31.         &nbsp;  
32.         <SELECT name="indexChange" id="indexChange"  
33.             onchange="getCurrentPage(this.value);">  
34.             <c:forEach var="index" begin="1" end="${page.totalPage}" step="1">  
35.                 <option value="${index}" ${page.currentPage eq index ? "selected" : ""}>  
36.                     第${index}页  
37.                 </option>  
38.             </c:forEach>  
39.         </SELECT>  
40.         &nbsp;  
41.         每页显示:<select name="everyPage" id="everyPage" onchange="setEveryPage(this.value);">  
42.                    <c:forEach var="pageCount" begin="5" end="${page.totalCount}" step="5">                          
43.                         <option value="${pageCount}" ${page.everyPage eq pageCount ? "selected" : ""}>  
44.                             ${pageCount}条  
45.                         </option>  
46.                     </c:forEach>  
47.                </select>  
48.     </td>  
49. </tr>  
50. <div style=‘display: none‘>  
51.     <a class=listlink id="indexPageHref" href=‘#‘></a>  
52. </div>  
53. <script>  
54. function getCurrentPage(index){   
55.     var a = document.getElementById("indexPageHref");     
56.     a.href = ‘${pathurl}?pageAction=gopage&pageKey=‘+index+‘${urlParams}‘;          
57.     a.setAttribute("onclick",‘‘);            
58.     a.click("return false");     
59. }  
60. function setEveryPage(everyPage){     
61.     var a = document.getElementById("indexPageHref");  
62.     var currentPage = document.getElementById(‘indexChange‘).value;  
63.     a.href = ‘${pathurl}?pageAction=setpage&pageKey=‘+everyPage+‘${urlParams}‘;         
64.     a.setAttribute("onclick",‘‘);            
65.     a.click("return false");     
66. }  
67. function sortPage(sortName){      
68.     var a = document.getElementById("indexPageHref");     
69.     a.href = ‘${pathurl}?pageAction=sort&pageKey=‘+sortName+‘${urlParams}‘;        
70.     a.setAttribute("onclick",‘‘);        
71.     a.click("return false");     
72. }  
73. </script>  

SpringMVC3.0+MyIbatis3.0(分页示例)

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原文地址：http://www.cnblogs.com/bubu2/p/4784336.html