spring事务控制-基于半注解

<?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>transaction</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.2.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>5.2.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>5.2.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.9.5</version>
        </dependency>
        <dependency>
            <groupId>com.h2database</groupId>
            <artifactId>h2</artifactId>
            <version>1.4.200</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>5.2.7.RELEASE</version>
        </dependency>
    </dependencies>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>14</java.version>
        <maven.compiler.source>14</maven.compiler.source>
        <maven.compiler.target>14</maven.compiler.target>
        <encoding>UTF-8</encoding>
    </properties>
    <repositories>
        <repository>
            <id>alimaven</id>
            <name>aliyun maven</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>
</project>

<?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:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        https://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/tx
        https://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd">

    <context:component-scan base-package="com.example"></context:component-scan>
    <tx:annotation-driven></tx:annotation-driven>

</beans>

package com.example.service;

import com.example.domain.Account;

public interface IAccountService {
    Account findAccountById(int id);
    Account findAccountByName(String name);
    void updateAccount(Account account);
    void transfer(String sourceName,String targetName,float money);
}

package com.example.service.impl;

import com.example.dao.IAccountDao;
import com.example.domain.Account;
import com.example.service.IAccountService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service("accountService")
@Transactional
public class AccountServiceImpl implements IAccountService {

@Autowired
    private  IAccountDao accountDao;

    public IAccountDao getAccountDao() {
        return accountDao;
    }

    public void setAccountDao(IAccountDao accountDao) {
        this.accountDao = accountDao;
    }

    @Override
    public Account findAccountById(int id) {
        return accountDao.findAccountById(id);
    }

    @Override
    public Account findAccountByName(String name) {
        return accountDao.findAccountByName(name);
    }

    @Override
    public void updateAccount(Account account) {
        accountDao.updateAccount(account);
    }

    @Override
    public void transfer(String sourceName, String targetName, float money) {
        Account source = accountDao.findAccountByName(sourceName);
        Account target = accountDao.findAccountByName(targetName);
        source.setMoney(source.getMoney()-money);
        target.setMoney(target.getMoney()+money);
        accountDao.updateAccount(source);
        accountDao.updateAccount(target);
        int i=1/0;
    }
}

package com.example.domain;






public class Account {
    private int id;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public float getMoney() {
        return money;
    }

    public void setMoney(float money) {
        this.money = money;
    }

    @Override
    public String toString() {
        return "Account{" +
                "id=" + id +
                ", name=‘" + name + ‘\‘‘ +
                ", money=" + money +
                ‘}‘;
    }

    private String name;
    private float money;
}

package com.example.dao;

import com.example.domain.Account;

public interface IAccountDao {
    Account findAccountById(int id);
    Account findAccountByName(String name);
    void updateAccount(Account account);
}

package com.example.dao.impl;

import com.example.dao.IAccountDao;
import com.example.domain.Account;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;

import java.util.List;
@Repository("accountDao")
public class AccountDaoImpl implements IAccountDao {
    public JdbcTemplate getJdbcTemplate() {
        return jdbcTemplate;
    }

    public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
        this.jdbcTemplate = jdbcTemplate;
    }
@Autowired
    private JdbcTemplate jdbcTemplate;
    @Override
    public Account findAccountById(int id) {
        List<Account> accounts = jdbcTemplate.query("select * from account where id = ?",new BeanPropertyRowMapper<Account>(Account.class),id);
        if(accounts.size()==0){
            return null;
        }else{
            return accounts.get(0);
        }
    }

    @Override
    public Account findAccountByName(String name) {
        List<Account> accounts = jdbcTemplate.query("select * from account where name = ?",new BeanPropertyRowMapper<Account>(Account.class),name);
        if(accounts.size()==0){
            return null;
        }else if(accounts.size()==1){
            return accounts.get(0);
        }else {
            throw new RuntimeException("账户不唯一");
        }
    }


    @Override
    public void updateAccount(Account account) {
        jdbcTemplate.update("update account set name = ? , money = ? where id =?",account.getName(),account.getMoney(),account.getId());
    }
}

package com.example.config;

import org.aspectj.lang.annotation.Before;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionManager;

import javax.sql.DataSource;

@Configuration
public class Config {

    @Bean("jdbcTemplate")
    public JdbcTemplate getJdbcTemplate(DataSource ds){
        return  new JdbcTemplate(ds);
    }

    @Bean("dataSource")
    public DataSource getDataSource(){
        DriverManagerDataSource ds =  new DriverManagerDataSource();
        ds.setDriverClassName("org.h2.Driver");
        ds.setUrl("jdbc:h2:file:~/.h2/h2");
        ds.setUsername("root");
        ds.setPassword("123456");
        return ds;
    }

    @Bean("transactionManager")
    public PlatformTransactionManager getTransactionManager(DataSource ds){
        return  new DataSourceTransactionManager(ds);
    }

}

package com.example;

import com.example.domain.Account;
import com.example.service.IAccountService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:bean.xml")
public class AccountSerciveTest {

    @Autowired
    private IAccountService service;
    @Test
    public void testTransfer(){
        Account a;
        Account b;
        a = service.findAccountByName("account1");
        b = service.findAccountByName("account3");
        System.out.println(a);
        System.out.println(b);
        service.transfer("account1","account3",100);
        a = service.findAccountByName("account1");
        b = service.findAccountByName("account3");
        System.out.println(a);
        System.out.println(b);
    }
}