ssm整合之Spring整合MyBatis框架

ssm整合之Spring整合MyBatis框架

1.在applicationContext.xml修改代码如下：

<?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:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
	http://www.springframework.org/schema/beans/spring-beans.xsd
	http://www.springframework.org/schema/context
	http://www.springframework.org/schema/context/spring-context.xsd
	http://www.springframework.org/schema/aop
	http://www.springframework.org/schema/aop/spring-aop.xsd
	http://www.springframework.org/schema/tx
	http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!--开启注解的扫描，希望处理service和dao，controller不需要Spring框架去处理-->
    <context:component-scan base-package="com.txw">
        <!--配置哪些注解不扫描-->
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
    </context:component-scan>
    <!--Spring整合MyBatis框架-->
    <!--配置连接池-->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.jdbc.Driver"/>
        <property name="jdbcUrl" value="jdbc:mysql:///ssm"/>
        <property name="user" value="root"/>
        <property name="password" value="123456"/>
    </bean>
    <!--配置SqlSessionFactory工厂-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
    </bean>
    <!--配置AccountDao接口所在包-->
    <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.txw.dao"/>
    </bean>
</beans>

2.修改账户持久层接口的代码如下：

package com.txw.dao;

import com.txw.domain.Account;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Repository;
import java.util.List;
/**
 *帐户dao接口
 * @author Adair
 */
@Repository   // 把Dao交给IOP进行管理
@SuppressWarnings("all")     // 注解警告信息
public interface AccountDao {
    
    
    /**
     *查询所有账户
     * @return
     */
    @Select("select * from account")
    public List<Account> findAll();
    /**
     *保存帐户信息
     * @param account
     */
    @Insert("insert into account (name,money) values (#{name},#{money})")
    public void saveAccount(Account account);
}

3.在账户业务层的实现类修改如下代码：

package com.txw.service.impl;

import com.txw.dao.AccountDao;
import com.txw.domain.Account;
import com.txw.service.AccountService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
/**
 * 账户业务的实现类
 * @author Adair
 */
@Service("accountService")
@SuppressWarnings("all")     // 注解警告信息
public class AccountServiceImpl implements AccountService {
    
    
    @Autowired      //类型自动注入
    private AccountDao accountDao;
    /**
     * 查询所有账户
     * @return
     */
    @Override
    public List<Account> findAll() {
    
    
        System.out.println("业务层：查询所有账户...");
        return accountDao.findAll();
    }
    /**
     * 保存帐户信息
     * @param account
     */
    @Override
    public void saveAccount(Account account) {
    
    
        System.out.println("业务层：保存帐户信息...");
        accountDao.saveAccount(account);
    }
}

4.修改帐户的控制类的代码如下：

package com.txw.controller;

import com.txw.domain.Account;
import com.txw.service.AccountService;
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 java.util.List;
/**
 *帐户的控制类
 * @author Adair
 */
@Controller
@RequestMapping(path = "/account")
@SuppressWarnings("all")     // 注解警告信息
public class AccountController {
    
    
    @Autowired  // 自动类型注入
    private AccountService accountService;
    @RequestMapping(value = "/findAll")
    public String findAll(Model model){
    
    
        System.out.println("表现层：查询所有账户...");
        // 调用findAll()方法
        List<Account> list = accountService.findAll();
        // 进行存储
        model.addAttribute("list",list);
        return "list";
    }
}

5.修改list.jsp的代码如下：

<%--
  Created by IntelliJ IDEA.
  User: Adair
  Date: 2020/7/8 0008
  Time: 14:35
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <h3>查询所有的帐户</h3>
    <<c:forEach items="${list}" var="account">
        ${
    
    account.name}
        ${
    
    account.money}
    </c:forEach>
</body>
</html>

6.重新部署项目，运行结果如图所示：

7.通过浏览器访问http://localhost:8080/如图所示：8.点击测试会跳转到如图所示的界面：

9.控制台打印结果如图所示：