MyBatis核心配置文件详解
transactionManager
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<?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>
<environments default="dev">
<environment id="dev">
<transactionManager type="MANAGED"/>
<dataSource type="POOLED">
<property name="driver" value="com.mysql.cj.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/powernode"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
</dataSource>
</environment>
</environments>
<mappers>
<mapper resource="CarMapper.xml"/>
</mappers>
</configuration>
@Test
public void testTransactionManager() throws Exception{
// 准备数据
Car car = new Car();
car.setCarNum("133");
car.setBrand("丰田霸道");
car.setGuidePrice(50.3);
car.setProduceTime("2020-01-10");
car.setCarType("燃油车");
// 获取SqlSessionFactory对象
S