20_Spring_零XML事务控制
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创建配置类
package com.msb.config;
import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import javax.sql.DataSource;
/**
* @Author: Ma HaiYang
* @Description: MircoMessage:Mark_7001
*/
@Configuration // 配置类标志注解
@ComponentScan(basePackages = "com.msb") // spring包扫描
@PropertySource("classpath:jdbc.properties") // 读取属性配置文件
@EnableTransactionManagement // 开启事务注解
public class SpringConfig {
@Value("${jdbc_driver}")
private String driver;
@Value("${jdbc_url}")
private String url;
@Value("${jdbc_username}")
private String username;
@Value("${jdbc_password}")
private String password;
/*创建数据库连接池*/
@Bean
public DruidDataSource getDruidDataSource(){
DruidDataSource dataSource=new DruidDataSource();
dataSource.setDriverClassName(driver);
dataSource.setUrl(url);
dataSource.setUsername(username);
dataSource.setPassword(password);
return dataSource;
}
/*创建JdbcTemplate对象*/
@Bean
public JdbcTemplate getJdbcTemplate(DataSource dataSource){
JdbcTemplate jdbcTemplate=new JdbcTemplate();
jdbcTemplate.setDataSource(dataSource);
return jdbcTemplate;
}
/*创建事务管理器*/
@Bean
public PlatformTransactionManager getPlatformTransactionManager(DataSource dataSource){
DataSourceTransactionManager transactionManager =new DataSourceTransactionManager();
transactionManager.setDataSource(dataSource);
return transactionManager;
}
}
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测试代码
@Test()
public void testTransaction3(){
ApplicationContext context =new AnnotationConfigApplicationContext(SpringConfig.class);
AccountService accountService = context.getBean(AccountService.class);
int rows = accountService.transMoney(1, 2, 100);
System.out.println(rows);
}
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![点击并拖拽以移动](https://img2023.cnblogs.com/blog/2531222/202303/2531222-20230304101624306-1017991625.gif)