SSM框架集成分頁(yè)插件

SSM框架集成分頁(yè)插件

在SSM框架搭建之maven方式(二)基礎(chǔ)上進(jìn)一步做以下修改

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pom.xml添加如下代碼

<dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>5.1.2</version>
</dependency>

spring-mybatis.xml的id標(biāo)簽為sqlSessionFactory節(jié)點(diǎn)中添加如下內(nèi)容

<property name="plugins">
            <array>
                <bean class="com.github.pagehelper.PageInterceptor">
                    <property name="properties">
                        <value>
                            <!-- 你使用的數(shù)據(jù)庫(kù)類型 -->
                             helperDialect=MySQL
                             reasonable=true
                             autoRuntimeDialect=true
                        </value>
                    </property>
                </bean>
            </array>
</property>

將UserController.java中的內(nèi)容改寫為如下代碼

package com.lymn.it.controller;

import java.util.List;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.lymn.it.model.User;
import com.lymn.it.service.UserService;

@Controller
public class UserController {
    @Autowired
    UserService userService;
    Logger logger=Logger.getLogger(UserController.class);
    @RequestMapping(value="/user")
    public String user(@RequestParam(defaultValue="1",required=true,value="pageNo") Integer pageNo,Model model) {
        logger.info("查詢所有用戶數(shù)據(jù)");
        PageHelper.startPage(pageNo, 5);
        List<User> userList =  userService.getAllUsers();
        PageInfo<User> pageInfo=new PageInfo<User>(userList);
        model.addAttribute("userList", userList);
        model.addAttribute("pageInfo", pageInfo);
        logger.info("查詢完畢,返回頁(yè)面");
        return "user";
    }

}

將user.jsp中的內(nèi)容改寫為如下代碼

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>User</title>
</head>
<body>
    <center>
        <table width="200" border="1">
          <tr>
            <th scope="col">userid</th>
            <th scope="col">username</th>
            <th scope="col">password</th>
            <th scope="col">email</th>
          </tr>
          <c:forEach items="${userList}" var="user">
          <tr>
            <td>${user.userid}</td>
            <td>${user.username}</td>
            <td>${user.password}</td>
            <td>${user.email}</td>
          </tr>
          </c:forEach>
        </table>
        <p>當(dāng)前 ${pageInfo.pageNum }頁(yè),總${pageInfo.pages }
                頁(yè),總 ${pageInfo.total } 條記錄</div></p>
        <a href="user?pageNo=${pageInfo.firstPage}">第一頁(yè)</a>
        <c:if test="${pageInfo.hasPreviousPage }">
            <a href="user?pageNo=${pageInfo.pageNum-1}">上一頁(yè)</a>
        </c:if>

        <c:if test="${pageInfo.hasNextPage }">
            <a href="user?pageNo=${pageInfo.pageNum+1}">下一頁(yè)</a>
        </c:if>

        <a href="user?pageNo=${pageInfo.lastPage}">最后頁(yè)</a>
    </center>
</body>

訪問(wèn)如下圖所示表示成功

SSM框架集成分頁(yè)插件

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