spring事务管理

• • Spring事务管理
  • • • 编程式事务管理
      • 声明式事务管理

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.stereotype.Service;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;

@Service
public class UserServiceImpl extends ServiceImpl implements UserService {

    @Autowired
    private UserMapper userMapper;

    @Autowired
    private DataSourceTransactionManager dataSourceTransactionManager;

    @Autowired
    private TransactionDefinition transactionDefinition;

    
    @Override
    public void saveUserByBCS() {
        TransactionStatus transaction = dataSourceTransactionManager.getTransaction(transactionDefinition);
        try {
            User user1 = new User("景天",16,"永安当","18253777428","320677188993166542",new Date());
            userMapper.insert(user1);
            User user2 = new User("唐雪见",15,"唐家","18253777426","320677188993166540",new Date());
            userMapper.insert(user2);
            int i = 1/0;
            dataSourceTransactionManager.commit(transaction);
            System.out.println("========事务提交！========");
        } catch (Exception e) {
            e.printStackTrace();
            dataSourceTransactionManager.rollback(transaction);
            System.out.println("========事务回滚！========");
        }
    }
}

	
    @Transactional(rollbackFor = Exception.class)
    @Override
    public void saveUserBySMS() {
        User user1 = new User("萧炎",16,"斗气大陆萧家","18253777411","320677188993166556",new Date());
        userMapper.insert(user1);
        User user2 = new User("古薰儿",14,"斗气大陆古族","18253777414","320677188993166557",new Date());
        userMapper.insert(user2);
        int i = 1/0;
    }