mybatis spring 框架整合

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/test
user=LF
password=LF

<?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:p="http://www.springframework.org/schema/p"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       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/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">
 
    <!-- 引入外部文件 -->
    <context:property-placeholder location="classpath:jdbc.properties" />
    <!-- 配置包扫描 -->
    <context:component-scan base-package="cn.zr"/>
    <!-- 启用自动代理 -->
    <aop:aspectj-autoproxy/>
 
    <!-- 配置事务传播属性 -->
    <tx:advice id="advice" transaction-manager="transactionManager">
        <tx:attributes>
            <!-- 所有已get开头的方法都是只读，换句话说，get开始的方法不参与事务
             -->
            <tx:method name="get*" read-only="true" />
            <!-- 其他方法使用默认配置 -->
            <tx:method name="*" rollback-for="java.lang.Throwable" />
        </tx:attributes>
    </tx:advice>
 
    <aop:config>
        <!-- 配置切点 -->
        <aop:pointcut expression="execution(* cn.zr.pringandmybatis.service.impl.*.*(..))" id="pointcut"/>
        <!-- 将通知（事务属性）与切点连接一起 -->
        <aop:advisor advice-ref="advice" pointcut-ref="pointcut" />
    </aop:config>
 
    <!-- 配置数据源 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="${driver}"></property>
        <property name="url" value="${url}"></property>
        <property name="username" value="${user}"></property>
        <property name="password" value="${password}"></property>
    </bean>
 
    <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
 
    <!-- mybatis配置 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 关联数据源 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 配置mybatis配置文件的路径 -->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
        <!-- 配置要映射类包的路径 -->
        <property name="typeAliasesPackage" value="cn.zr.pringandmybatis.pojo"/>
        <property name="mapperLocations">
            <list>
                <value>classpath:cn/zr/pringandmybatis/mapper/xml/*Mapper.xml</value>
            </list>
        </property>
    </bean>
 
     <!--  MyBatis扫描  -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--  指定对应的接口跟Maper.xml文件映射所在的包 -->
        <property name="basePackage" value="cn.zr.pringandmybatis.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>
 
</beans>

<!DOCTYPE configuration
  PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
  "http://mybatis.org/dtd/mybatis-3-config.dtd">
 
<configuration>
</configuration>

<?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="cn.zr.pringandmybatis.mapper.UserMapper">
 
    <!-- 配置数据库字段与实体类属性的对应关系 -->
    <resultMap type="User" id="userinfo">
        <id column="username" property="name" />
        <result column="age" property="age"/>
    </resultMap>
 
    <!-- 查询所有用户的信息 -->
    <select id="getAllUserInfo" resultMap="userinfo">
        select username,age from user
    </select>
 
    <!-- 添加用户 -->
    <insert id="addUser" parameterType="User">
        insert into user (username,age) values(#{name},#{age})
    </insert>
 
    <!-- 更新用户 -->
    <update id="updateUser" parameterType="User">
        update user set age = #{age} where username=#{name}
    </update>
 
    <delete id="deleteUser" parameterType="java.lang.String">
        delete from user where username=#{name}
    </delete>
 
</mapper>

package cn.zr.pringandmybatis.pojo;
 
public class User {
 
    private String name;
    private int age;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public User() {
    }
    public User(String name, int age) {
        this.name = name;
        this.age = age;
    }
    @Override
    public String toString() {
        return "User [name=" + name + ", age=" + age + "]";
    }
 
}

package cn.zr.pringandmybatis.mapper;
 
import java.util.List;
 
import org.springframework.stereotype.Component;
 
import cn.zr.pringandmybatis.pojo.User;
 
@Component
public interface UserMapper {
 
    /**
     * 获取所有用户的信息
     * @return 用户对象的集合
     */
    public List<User> getAllUserInfo();
 
    /**
     * 添加用户
     * @param user 被添加的用户
     * @return 返回成功操作数据库的数据量
     */
    public int addUser(User user);
 
    /**
     * 更新用户信息
     * @param user 被更新的用户
     * @return 返回成功操作数据库的数据量
     */
    public int updateUser(User user);
 
    /**
     * 通过用户名删除用户
     * @param name 用户名
     * @return 返回成功操作数据库的数据量
     */
    public int deleteUser(String name);
}

package cn.zr.pringandmybatis.service;
 
import java.util.List;
 
import cn.zr.pringandmybatis.pojo.User;
 
public interface OperationService {
 
    /**
     *  获取所有的用户
     * @return 返回用户集合
     */
    List<User> getAllUserInfo();
 
    /**
     * 添加用户
     * @param user 被添加的用户
     * @return 返回成功操作数据库的数据量
     */
    int addUser(User user);
 
    /**
     * 更新用户信息
     * @param user 被更新的用户
     * @return 返回成功操作数据库的数据量
     */
    int updateUser(User user);
 
    /**
     * 通过用户名删除用户
     * @param name 用户名
     * @return 返回成功操作数据库的数据量
     */
    int deleteUser(String name);
 
}

package cn.zr.pringandmybatis.service.impl;
 
import java.util.List;
 
import javax.annotation.Resource;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
 
import cn.zr.pringandmybatis.mapper.UserMapper;
import cn.zr.pringandmybatis.pojo.User;
import cn.zr.pringandmybatis.service.OperationService;
 
@Component
public class OperationServiceImpl implements OperationService {
 
    @Resource
    private UserMapper userMapper;
 
    @Override
    public List<User> getAllUserInfo() {
 
        return userMapper.getAllUserInfo();
    }
 
    @Override
    public int addUser(User user) {
        return userMapper.addUser(user);
    }
 
    @Override
    public int updateUser(User user) {
        return userMapper.updateUser(user);
    }
 
    @Override
    public int deleteUser(String name) {
        return userMapper.deleteUser(name);
    }
 
}

package cn.zr.pringandmybatis.utils;
 
import java.util.List;
 
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
 
import cn.zr.pringandmybatis.pojo.User;
import cn.zr.pringandmybatis.service.OperationService;
 
public class TestClass {
 
    public static void main(String[] args) {
        ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
        //获取实现类对象
        OperationService operationService = (OperationService)ac.getBean(OperationService.class);
        /*//查询所有的数据
        List<User> list = operationService.getAllUserInfo();
        for (User user : list) {
            System.out.println(user);
        }*/
 
        /*// 添加数据
        User user = new User("甘", 25);
        int count = operationService.addUser(user);
        if (count>0) {
            System.out.println("添加成功");
        }else {
            System.out.println("添加失败");
        }*/
 
        /*// 修改
        User user = new User("甘雨路", 20);
        int count = operationService.updateUser(user);
        if (count>0) {
            System.out.println("修改成功");
        }else {
            System.out.println("修改失败");
        }*/
 
        // 删除
        int count = operationService.deleteUser("甘露");
        if (count>0) {
            System.out.println("删除成功");
        }else {
            System.out.println("删除失败");
        }
 
    }
}