ssm框架+PageHelper插件实现分页查询功能-编程学习网

通过搭建ssm框架，然后通过mybatis的分页插件pagehelp进行分页查询。
源码：https://gitee.com/smfx1314/pagehelper

看一下项目结构：

首先创建一个maven工程，pom中引入相关jar包


<dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-expression</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.3.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.0</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.4</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.4</version>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.4</version>
        </dependency>
        <dependency>
            <groupId>commons-logging</groupId>
            <artifactId>commons-logging</artifactId>
            <version>1.1.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.9.1</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.21</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>aopalliance</groupId>
            <artifactId>aopalliance</artifactId>
            <version>1.0</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
        </dependency>
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>
        
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>javax.servlet.jsp-api</artifactId>
            <version>2.2.1</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>5.1.2</version>
        </dependency>

    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.1</version>
                <configuration>
                    <encoding>utf-8</encoding>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <uriEncoding>UTF-8</uriEncoding>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

pom.xml中引入page分页的jar包


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

jar包这里就引入完了。下面引入配置文件

applicationContext.xml


<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xmlns:aop="http://www.springframework.org/schema/aop"
 xmlns:tx="http://www.springframework.org/schema/tx"
 xmlns:context="http://www.springframework.org/schema/context" 
 xsi:schemaLocation="http://www.springframework.org/schema/beans 
                     http://www.springframework.org/schema/beans/spring-beans.xsd 
                     http://www.springframework.org/schema/tx 
                     http://www.springframework.org/schema/tx/spring-tx.xsd 
                     http://www.springframework.org/schema/aop 
                     http://www.springframework.org/schema/aop/spring-aop.xsd
                     http://www.springframework.org/schema/context 
                     http://www.springframework.org/schema/context/spring-context.xsd">    
    <!-- 扫描注解的包 -->
    <context:component-scan base-package="com.jiangfx.service"/>
    <!-- 配置数据库 -->
    <!-- 加载配置文件 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/pagehelper"></property>
        <property name="user" value="root"></property>
        <property name="password" value="1234"></property>
    </bean>                 
    <!-- 配置sqlSessionFactory, 并将数据源注入 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 引入数据源 -->
        <property name="dataSource" ref="dataSource"></property>
        <!--载入mybatis配置文件-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
        <!--载入配置mapper映射的xml-->
         <property name="mapperLocations" value="classpath:com/jiangfx/mapper
    @RequestMapping(value="/list",method=RequestMethod.GET)
    public String pageList(ModelMap map,@RequestParam(defaultValue="1",required=true,value="pageNo") Integer pageNo){
        Integer pageSize=4;//每页显示记录数
        //分页查询
        PageHelper.startPage(pageNo, pageSize);
        List<User> userList = pageService.list();//获取所有用户信息
        PageInfo<User> pageInfo=new PageInfo<User>(userList);
        map.addAttribute("pageInfo", pageInfo);

        return "list";
    }

}

serviceImpl:接口自己定义，这里就不贴了


package com.jiangfx.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.jiangfx.entity.User;
import com.jiangfx.mapper.UserMapper;
import com.jiangfx.service.UserService;

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private UserMapper userMapper;
    
    
    @Override
    public List<User> list() {

        return userMapper.getAllUser();
    }

}

entity:


package com.jiangfx.entity;

public class User {

    private Integer id;
    private String username;
    private String sex;
    private String city;
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    public String getSex() {
        return sex;
    }
    public void setSex(String sex) {
        this.sex = sex;
    }
    public String getCity() {
        return city;
    }
    public void setCity(String city) {
        this.city = city;
    }
    @Override
    public String toString() {
        return "User [id=" + id + ", username=" + username + ", sex=" + sex + ", city=" + city + "]";
    }
    
}

mapper


package com.jiangfx.mapper;

import java.util.List;

import com.jiangfx.entity.User;

public interface UserMapper {

    //查询所有用户
    List<User> getAllUser();
}

mapper.xml


<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.jiangfx.mapper.UserMapper">
    <!-- 查询博客 -->
    <select id="getAllUser" resultType="com.jiangfx.entity.User">
        select * from user
    </select>
</mapper>

下面是jsp

index.jsp


<%@ 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">
<title>Insert title here</title>
</head>
<body>
<a href="list" rel="external nofollow" >分页查询</a>
</body>
</html>

返回list

list.jsp


<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<!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">
<title>Insert title here</title>
</head>
<body>
  <center>
        <table width="200" border="1">
          <tr>
            <th scope="col">ID</th>
            <th scope="col">姓名</th>
            <th scope="col">性别</th>
            <th scope="col">城市</th>
          </tr>
          <c:forEach items="${pageInfo.list}" var="user">
          <tr>
            <td>${user.id}</td>
            <td>${user.username}</td>
            <td>${user.sex}</td>
            <td>${user.city}</td>
          </tr>
          </c:forEach>
        </table>
        <p>当前 ${pageInfo.pageNum }页,总${pageInfo.pages }
                页,总 ${pageInfo.total } 条记录</div></p>
        <a href="list?pageNo=${pageInfo.firstPage}" rel="external nofollow" >第一页</a>
        <c:if test="${pageInfo.hasPreviousPage }">
            <a href="list?pageNo=${pageInfo.pageNum-1}" rel="external nofollow" >上一页</a>
        </c:if>
      
        <c:if test="${pageInfo.hasNextPage }">
            <a href="list?pageNo=${pageInfo.pageNum+1}" rel="external nofollow" >下一页</a>
        </c:if>
        
        <a href="list?pageNo=${pageInfo.lastPage}" rel="external nofollow" >最后页</a>
    </center>
  </body>
</html>

访问localhost:8080/pagehelper

点击分页查询结果：

以上就是ssm框架+PageHelper实现分页查询功能的详细内容，更多关于ssm PageHelper分页查询的资料请关注编程网其它相关文章！

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