SSM框架集成分頁插件

時間 2019-11-06

標籤 ssm 框架集成分頁插件简体版

原文原文鏈接

SSM框架集成分頁插件

pom.xml添加以下代碼java

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

spring-mybatis.xml的id標籤爲sqlSessionFactory節點中添加以下內容mysql

<property name="plugins">
            <array>
                <bean class="com.github.pagehelper.PageInterceptor">
                    <property name="properties">
                        <value>
                            <!-- 你使用的數據庫類型 -->
                             helperDialect=mysql
                             reasonable=true
                             autoRuntimeDialect=true
                        </value>
                    </property>
                </bean>
            </array>
</property>

將UserController.java中的內容改寫爲以下代碼git

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("查詢全部用戶數據");
        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，返回頁面");
        return "user";
    }

}

將user.jsp中的內容改寫爲以下代碼github

<%@ 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>當前 ${pageInfo.pageNum }頁,總${pageInfo.pages }
                頁,總 ${pageInfo.total } 條記錄</div></p>
        <a href="user?pageNo=${pageInfo.firstPage}">第一頁</a>
        <c:if test="${pageInfo.hasPreviousPage }">
            <a href="user?pageNo=${pageInfo.pageNum-1}">上一頁</a>
        </c:if>

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

        <a href="user?pageNo=${pageInfo.lastPage}">最後頁</a>
    </center>
</body>