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010 spring整合mybatis(事务)(xml)

作者：小丑西瓜9 | 2024-04-14 10:30:37

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010 spring整合mybatis(事务)(xml)

文章目录

pom.xml


<?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.aistart</groupId>
    <artifactId>spring_mybatis</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <!--mybatis的环境-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.30</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.15</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.10</version>
        </dependency>
        <!--spring的环境-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.3.30</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>5.3.30</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.9.6</version>
        </dependency>

        <!--测试环境-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.13.2</version>
            <scope>test</scope>
        </dependency>

        <!--整合环境-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.6</version>
        </dependency>
    </dependencies>

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

</project>


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ProductsMapper.java


package com.aistart.mapper;

import org.springframework.stereotype.Repository;

public interface ProductsMapper {

    public int insertOne(String name);
    public int deleteOne(String name);
}



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ProductsServiceImpl.java


package com.aistart.service.impl;

import com.aistart.mapper.ProductsMapper;
import com.aistart.service.ProductsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;


@Service
public class ProductsServiceImpl implements ProductsService {

    @Autowired
    private ProductsMapper productsMapper;

    public void setProductsMapper(ProductsMapper productsMapper) {
        this.productsMapper = productsMapper;
    }

    @Override
    public int insertOne(String name) {

        int rows = productsMapper.insertOne(name);
        return rows;
    }

    @Override
    public int deleteOne(String name) {
        int rows = productsMapper.deleteOne(name);
        return rows;
    }

    @Override
    public void consume() {


        /*事务开启*/
        productsMapper.insertOne("中米手机");

//        System.out.println(1/0);
        /*事务中,如果发生异常,回滚*/


        productsMapper.deleteOne("中米手机");
        /*事务关闭*/



    }

    @Override
    public void print(String msg) {
        System.out.println(msg);
    }

}



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ProductsService.java


package com.aistart.service;

public interface ProductsService {




    public int insertOne(String name);

    public int deleteOne(String name);

    public void consume();

    public void print(String msg);
}



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ProductsMapper.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.aistart.mapper.ProductsMapper">

    <insert id="insertOne">
        insert into products set product_name = #{name}
    </insert>

    <delete id="deleteOne">
        delete
        from products
        where product_name = #{name};
    </delete>

</mapper>


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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: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
        https://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!--context注解-->

    <context:component-scan base-package="com.aistart"/>
    <context:annotation-config/>

    <!--将mapper代理对象托管到Bean容器中-->
    <bean  class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.aistart.mapper"/>
    </bean>


    <!--推荐,从外部获取其中的细节配置-->
    <context:property-placeholder location="classpath:db.properties"/>
    <!--设置数据源-->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <!--四大件 获取方式
        1.手动写
        2.通过配置文件设置,上面这个
<context:property-placeholder location="classpath:db.properties"/>

        -->
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>

    <!--整合,将factory交管给spring-->
    <bean id="sqlSessionFactory"   class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--数据源的获取-->
        <property name="dataSource" ref="dataSource"></property>

        <!--mapper的定位,注意格式-->
        <property name="mapperLocations" value="classpath*:com/aistart/mapper/*Mapper.xml"></property>

        <!--mapper文件定位-->
        <property name="configLocation" value="mybatis-config.xml"></property>

    </bean>



    <!--搞事务了-->

    <!--增强-->
    <bean id="manager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
        <property name="dataSource" ref="dataSource"/>
    </bean>


    <!--通知-->
    <!--id时通知命名,transaction-manager管理的引入-->
    <tx:advice id="txAdvice" transaction-manager="manager">
        <!--对应一个函数业务一个-->
        <tx:attributes>
            <tx:method name="consume"/>
        </tx:attributes>

    </tx:advice>



    <!--本质要进行织入-->
    <aop:config>
        <!--一种规则-->
        <aop:pointcut id="tx" expression="execution(* com.aistart.service.impl.ProductsServiceImpl.*(..))"/>
        <aop:advisor  advice-ref="txAdvice" pointcut-ref="tx" />

    </aop:config>




</beans>

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db.properties


jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/mybatisdb?serverTimezone=Asia/Shanghai&usessl=false
jdbc.username=root
jdbc.password=root


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mybatis-config.xml


<?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>

    <settings>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>




</configuration>

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ProductsServiceImplTest.java


package com.aistart.service.impl;

import com.aistart.config.SpringConfig;
import com.aistart.service.ProductsService;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import static org.junit.Assert.*;

public class ProductsServiceImplTest {

    @Test
    public void insertOne() {

        ApplicationContext context;

//           context     = new AnnotationConfigApplicationContext(SpringConfig.class);

        context = new ClassPathXmlApplicationContext("ApplicationContext.xml");

        ProductsService productsService = context.getBean( ProductsService.class);

        productsService.insertOne("大米");
    }

    @Test
    public void consume() {

        ApplicationContext context;
        context = new ClassPathXmlApplicationContext("ApplicationContext.xml");

        ProductsService productsService = context.getBean( ProductsService.class);

        productsService.consume();

    }
}



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