spring与mybatis基于MapperFactoryBean的整合

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.shrimpking</groupId>
    <artifactId>springtest13</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>
    <modules>
        <module>p01</module>
        <module>p02</module>
    </modules>

    <dependencies>
        <dependency>
            <groupId>aopalliance</groupId>
            <artifactId>aopalliance</artifactId>
            <version>1.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.3.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>4.3.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.2</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version> 1.2.17</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.3</version>
        </dependency>
        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>3.2.4</version>
        </dependency>
        <dependency>
            <groupId>ognl</groupId>
            <artifactId>ognl</artifactId>
            <version>3.1.12</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.22</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.1</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.47</version>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-dbcp2</artifactId>
            <version>2.1.1</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
    </dependencies>

    <build>
        <resources>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
    </build>
</project>

drop table if EXISTS a_user;
create table a_user(
	id int(32) auto_increment primary key,
	username varchar(50),
	jobs varchar(50),
	phone varchar(16)
);

insert into a_user values(1,'zhang','teacher','133');
insert into a_user values(2,'li','worker','188');
insert into a_user values(3,'wang','doctor','139');

package com.shrimpking.pojo;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2023/7/13 18:07
 */
public class User
{
    private Integer id;
    private String username;
    private String jobs;
    private String phone;

    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 getJobs()
    {
        return jobs;
    }

    public void setJobs(String jobs)
    {
        this.jobs = jobs;
    }

    public String getPhone()
    {
        return phone;
    }

    public void setPhone(String phone)
    {
        this.phone = phone;
    }

    @Override
    public String toString()
    {
        return "User{" + "id=" + id + ", username='" + username + '\'' + ", jobs='" + jobs + '\'' + ", phone='" + phone + '\'' + '}';
    }
}

package com.shrimpking.mapper;

import com.shrimpking.pojo.User;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2023/7/13 18:07
 *
 * 使用Mapper接口编程的方式很简单，但是使用时需要遵循以下规范
 * 1 Mapper接口的名称和对应的Mapper.xml映射文件的名称必须一致
 * 2 Mapper.xml文件中的namespace与Mapper接口的类路径相同
 * 3 Mapper接口中的方法名和Mapper.xml中定义的每个执行语句的id相同
 * 4 Mapper接口中的方法的输入参数类型要和Mapper.xml中定义的每个sql类型相同
 * 5 Mapper接口方法的输出参数类型要和Mapper.xml中定义的每个sql resultType相同
 *
 */
public interface UserMapper
{
    //根据用户id查询
    public User findUserById(Integer id);
}

<?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.shrimpking.mapper.UserMapper">

    <select id="findUserById" parameterType="integer"
            resultType="com.shrimpking.pojo.User">
        select id,username,jobs,phone from a_user where id=#{id}
    </select>

</mapper>

<?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: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/tx http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!-- 读取db.properties   -->
    <context:property-placeholder location="classpath:db.properties"/>
    <!-- 配置数据源   -->
    <bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="url" value="${jdbc.rul}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <!--  最大连接数      -->
        <property name="maxTotal" value="${jdbc.maxTotal}"/>
        <!--  最大空闲数      -->
        <property name="maxIdle" value="${jdbc.maxIdle}"/>
        <!--  初始化连接数      -->
        <property name="initialSize" value="${jdbc.initialSize}"/>
    </bean>
    <!--事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!-- 注册事务管理器驱动，开启事务注解   -->
    <tx:annotation-driven transaction-manager="transactionManager"/>
    <!--配置mybatis工厂-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>
    <!--mapper代理开发，基于MapperFactoryBean-->
    <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
        <property name="mapperInterface" value="com.shrimpking.mapper.UserMapper"/>
        <property name="sqlSessionFactory" ref="sqlSessionFactory"/>
    </bean>

</beans>

jdbc.driver=com.mysql.jdbc.Driver
jdbc.rul=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimeZone=UTC
jdbc.username=root
jdbc.password=mysql123
jdbc.maxTotal=30
jdbc.maxIdle=10
jdbc.initialSize=5

log4j.rootLogger=ERROR,stdout
log4j.logger.com.shrimpking=DEBUG
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n

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

<configuration>

    <!--  起别名  -->
    <typeAliases>
        <package name="com.shrimpking.pojo"/>
    </typeAliases>

    <mappers>
        <mapper resource="com/shrimpking/mapper/UserMapper.xml"/>
    </mappers>
</configuration>

import com.shrimpking.mapper.UserMapper;
import com.shrimpking.pojo.User;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2023/7/13 18:15
 */
public class MyTest
{
    @Test
    public void test()
    {
        ApplicationContext context
                = new ClassPathXmlApplicationContext("applicationContext.xml");
        UserMapper userMapper = context.getBean("userMapper", UserMapper.class);
        User user = userMapper.findUserById(1);
        System.out.println(user);
    }
}