spring12-事务

spring支持的事务

似乎都是关于数据库的,可能也是我的水平问题,不知道其他的东西
大概需要实现两个,一个commit,另一个是rollback
事务是基于AOP实现的

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<?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>org.example</groupId>
<artifactId>springTransaction</artifactId>
<version>1.0-SNAPSHOT</version>


<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.2.4.RELEASE</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.2.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.2.4.RELEASE</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.2.4.RELEASE</version>
</dependency>

<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>

<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>


<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.13</version>
</dependency>


</dependencies>
</project>
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package com.wsx.spring.Service;

import com.wsx.spring.Account;
import com.wsx.spring.Dao.IAccountDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

@Service
@Transactional(propagation = Propagation.REQUIRED, readOnly = false)
public class AccountService implements IAccountService {
@Autowired
private IAccountDao accountDao;

public Account findAccountById(Integer accountId) {
return accountDao.findAccountById(accountId);
}


@Transactional(propagation = Propagation.SUPPORTS, readOnly = true)
public void transfer(String sourceName, String targetName, Float money) {
System.out.println("start transfer");
// 1.根据名称查询转出账户
Account source = accountDao.findAccountByName(sourceName);
// 2.根据名称查询转入账户
Account target = accountDao.findAccountByName(targetName);
// 3.转出账户减钱
source.setMoney(source.getMoney() - money);
// 4.转入账户加钱
target.setMoney(target.getMoney() + money);
// 5.更新转出账户
accountDao.updateAccount(source);

int i = 1 / 0;

// 6.更新转入账户
accountDao.updateAccount(target);
}
}

spring12-事务
http://fightinggg.github.io/fluid/Q8INDH.html
作者
fightinggg
发布于
2020年4月9日
许可协议