Spring知识点整合(下) Spring知识点整合(下)

此处 @Spring知识点整合(上) 和 @Spring知识点整合(中)
建议先看了上再看下嗷,大佬请无视此句话
我的环境 idea 2019.1
jdk 1.8
Spring 5
Lombok插件这里是使用和安装链接(包括idea和eclipse) @简单粗暴节省JavaBean代码插件 Lombok.jar
上2篇是 @ 1 - 11 和 @ 12 - 15 16.Spring中的JDBCTemplate详解

1、spring中的JdbcTemplate JdbcTemplate的作用：它就是用于和数据库交互的，实现对表的CRUD操作如何创建该对象：代码中写对象中的常用方法：代码中写 2、作业： spring基于AOP的事务控制 3、spring中的事务控制基于XML的基于注解的

首先写一个案例:不使用注解的操作
创建一个 maven 项目
添加坐标

4.0.0cn.icanci jdbcTemplate 1.0-SNAPSHOTjar org.springframework spring-context 5.2.2.RELEASE org.springframework spring-jdbc 5.2.2.RELEASE org.springframework spring-tx 5.2.2.RELEASE mysql mysql-connector-java 5.1.35 org.projectlombok lombok 1.18.8 provided

Account.java

package cn.icanci.domain; import lombok.Data; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.domain * @Date: Created in 2020/1/10 17:13 * @ClassAction: Account的实体类 */ @Data public class Account { private Integer id; private String name; private Float money; }

JdbcTemplateDemo1 .java

package cn.icanci.jdbcTemplate; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.datasource.DriverManagerDataSource; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.jdbcTemplate * @Date: Created in 2020/1/10 17:20 * @ClassAction: JDBCTemplate的最基本用法 */ public class JdbcTemplateDemo1 { public static void main(String[] args) { //准备数据源 : Spring的内置数据源 DriverManagerDataSource ds = new DriverManagerDataSource(); ds.setDriverClassName("com.mysql.jdbc.Driver"); ds.setUrl("jdbc:mysql://localhost:3306/icanci"); ds.setUsername("root"); ds.setPassword("ok"); //1.创建JdbcTemplate JdbcTemplate jdbcTemplate = new JdbcTemplate(); //设置数据源 jdbcTemplate.setDataSource(ds); //2.执行操作 jdbcTemplate.execute("insert into account (name,money) values ('hash',1000)"); } }

测试结果:

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测试结果现在使用xml配置的方式首先配置bean.xml

创建一个类: JdbcTemplateDemo2 .java

package cn.icanci.jdbcTemplate; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.datasource.DriverManagerDataSource; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.jdbcTemplate * @Date: Created in 2020/1/10 17:20 * @ClassAction: JDBCTemplate的最基本用法 */ public class JdbcTemplateDemo2 { public static void main(String[] args) { //1.获取容器 ApplicationContext ac = new ClassPathXmlApplicationContext("bean.xml"); //2.获取对象 JdbcTemplate jdbcTemplate = ac.getBean("jdbcTemplate",JdbcTemplate.class); //3.执行操作 jdbcTemplate.execute("insert into account (name,money) values ('hashTable',4000)"); } }

测试结果:

文章图片
测试结果实现最基本的增删改查创建Account 的IAccountDao.java接口

package cn.icanci.dao; import cn.icanci.domain.Account; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.dao * @Date: Created in 2020/1/10 20:51 * @ClassAction: 账户的持久层接口 */ public interface IAccountDao { /** * 根据id查询账户 * @param id 需要查询的id * @return 返回查询出的的Account对象 */ Account findAccountById(Integer id); /** * 根据姓名查询用户 * @param name 需要查询的用户 * @return 返回查询的的Account对象 */ Account findAccountByName(String name); /** * 更新操作 * @param account 需要更新的对象 */ void updateAccount(Account account); }

IAccountDao.java的实现类 AccountDaoImpl.java

package cn.icanci.dao.impl; import cn.icanci.dao.IAccountDao; import cn.icanci.domain.Account; import lombok.Setter; import org.springframework.jdbc.core.BeanPropertyRowMapper; import org.springframework.jdbc.core.JdbcTemplate; import java.util.List; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.dao.impl * @Date: Created in 2020/1/10 21:06 * @ClassAction: 账户的持久层实现类 */ public class AccountDaoImpl implements IAccountDao { @Setter private JdbcTemplate jdbcTemplate; @Override public Account findAccountById(Integer id) { //这个是装x的写法因为有两次查询效率会低 //return jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id).size() == 1 ? jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id).get(0) : null; List listAccount = jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id); return listAccount.size() == 1 ? listAccount.get(0) : null; }@Override public Account findAccountByName(String name) { //这个是装x的写法因为有两次查询效率会低 //return jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name).size() == 1 ? jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name).get(0) : null; List listAccount = jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name); if (listAccount.isEmpty()) { return null; } if (listAccount.size() > 1) { throw new RuntimeException("结果集不唯一"); } return listAccount.get(0); }@Override public void updateAccount(Account account) { jdbcTemplate.update("update account set name = ?,money = ? where id = ?", account.getName(), account.getMoney(), account.getId()); } }

配置文件 bean.xml

测试类:

package cn.icanci.jdbcTemplate; import cn.icanci.dao.IAccountDao; import cn.icanci.domain.Account; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.jdbc.core.JdbcTemplate; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.jdbcTemplate * @Date: Created in 2020/1/10 17:20 * @ClassAction: JDBCTemplate的最基本用法 */ public class JdbcTemplateDemo4 { public static void main(String[] args) { //1.获取容器 ApplicationContext ac = new ClassPathXmlApplicationContext("bean.xml"); //2.获取对象 IAccountDao accountDao = ac.getBean("accountDao", IAccountDao.class); //3.执行操作 Account account = accountDao.findAccountById(100); System.out.println(account); } }

测试结果: 因为我数据库没有100

null

上述代码的优化
编写 JdbcDaoSupport.java 用于抽取Dao中的重复代码

package cn.icanci.dao.impl; import lombok.Data; import lombok.Getter; import lombok.Setter; import org.springframework.jdbc.core.JdbcTemplate; import javax.sql.DataSource; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.dao.impl * @Date: Created in 2020/1/10 21:28 * @ClassAction: 用于抽取Dao中的重复代码 */ public class JdbcDaoSupport { @Getter @Setter private JdbcTemplate jdbcTemplate; private DataSource dataSource; public void setDataSource(DataSource dataSource){ this.dataSource = dataSource; if(jdbcTemplate == null){ jdbcTemplate = createJdbcTemplate(dataSource); } } private JdbcTemplate createJdbcTemplate(DataSource datasource){ return new JdbcTemplate(dataSource); } }

AccountDaoImpl.java只需要继承 JdbcDaoSupport.java就可以了

package cn.icanci.dao.impl; import cn.icanci.dao.IAccountDao; import cn.icanci.domain.Account; import lombok.Setter; import org.springframework.jdbc.core.BeanPropertyRowMapper; import org.springframework.jdbc.core.JdbcTemplate; import java.util.List; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.dao.impl * @Date: Created in 2020/1/10 21:06 * @ClassAction: 账户的持久层实现类 */ public class AccountDaoImpl extends JdbcDaoSupport implements IAccountDao {@Override public Account findAccountById(Integer id) { //这个是装x的写法因为有两次查询效率会低 //return jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id).size() == 1 ? jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id).get(0) : null; List listAccount = getJdbcTemplate().query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id); return listAccount.size() == 1 ? listAccount.get(0) : null; }@Override public Account findAccountByName(String name) { //这个是装x的写法因为有两次查询效率会低 //return jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name).size() == 1 ? jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name).get(0) : null; List listAccount = getJdbcTemplate().query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name); if (listAccount.isEmpty()) { return null; } if (listAccount.size() > 1) { throw new RuntimeException("结果集不唯一"); } return listAccount.get(0); }@Override public void updateAccount(Account account) { getJdbcTemplate().update("update account set name = ?,money = ? where id = ?", account.getName(), account.getMoney(), account.getId()); } }

测试: 测试通过

null

当然 Spring 也提供了这个类.我们来看一下:

文章图片
Spring提供的JdbcDaoSupport.java
区别就是 :如果使用注解开发可以使用我们自己手写的如果使用Spring的,就必须使用xml来进行配置
17.Spring中的声明式事务控制基于注解和基于xml 重点:基于xml配置的声明式事务控制

/** * Spring中基于XML的声明式事务配置步骤 * 1.配置事务管理器 * 2.配置事务的通知 * 此时需要导入事务的约束 tx的命名空间和约束同时也需要aop的 * 使用配置 * 属性:id 唯一标识 * transaction-manager 给事务通知一个事务管理器 * 3.配置AOP的通用切入点表达式 * 4.建立事务和切入点的对应关系 * 5.配置事务的属性 * 实在 tx:advice内部 */

配置事务的属性:

/** * 配置事务的属性 * isolation 用于指定事务的隔离级别默认是 DEFAULT * propagation 用于指定事务的传播行为默认值是 REQUIRED 表示一定有事物查询方法可以是 SUPPORTS * read-only 指定事务是否只读只有查询方法才能设置为 true默认值是 false * timeout 用于指定事务的过期时间默认值是 -1 表示永不超市单位是秒 * rollback-for用于指定一个异常产生此异常事务回滚没有默认值任何都回滚 * no-rollback-for用于指定一个异常产生此异常事务不回滚没有默认值任何都回滚 */

代码区
导入依赖

4.0.0cn.icanci springtx 1.0-SNAPSHOTjar org.springframework spring-context 5.2.2.RELEASE org.springframework spring-jdbc 5.2.2.RELEASE org.springframework spring-tx 5.2.2.RELEASE mysql mysql-connector-java 5.1.35 org.aspectj aspectjweaver 1.9.5 org.projectlombok lombok 1.18.8 provided junit junit 4.12 org.springframework spring-test 5.0.2.RELEASE

Account.java

package cn.icanci.domain; import lombok.Data; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.domain * @Date: Created in 2020/1/10 17:13 * @ClassAction: Account的实体类 */ @Data public class Account { private Integer id; private String name; private Float money; }

账户的持久层接口 IAccountDao .java

package cn.icanci.dao; import cn.icanci.domain.Account; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.dao * @Date: Created in 2020/1/10 20:51 * @ClassAction: 账户的持久层接口 */ public interface IAccountDao { /** * 根据id查询账户 * @param id 需要查询的id * @return 返回查询出的的Account对象 */ Account findAccountById(Integer id); /** * 根据姓名查询用户 * @param name 需要查询的用户 * @return 返回查询的的Account对象 */ Account findAccountByName(String name); /** * 更新操作 * @param account 需要更新的对象 */ void updateAccount(Account account); }

账户的持久层实现类 AccountDaoImpl .java

package cn.icanci.dao.impl; import cn.icanci.dao.IAccountDao; import cn.icanci.domain.Account; import org.springframework.jdbc.core.BeanPropertyRowMapper; import org.springframework.jdbc.core.support.JdbcDaoSupport; import java.util.List; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.dao.impl * @Date: Created in 2020/1/10 21:06 * @ClassAction: 账户的持久层实现类 */ public class AccountDaoImpl extends JdbcDaoSupport implements IAccountDao {@Override public Account findAccountById(Integer id) { //这个是装x的写法因为有两次查询效率会低 //return jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id).size() == 1 ? jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id).get(0) : null; List listAccount = getJdbcTemplate().query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id); return listAccount.size() == 1 ? listAccount.get(0) : null; }@Override public Account findAccountByName(String name) { //这个是装x的写法因为有两次查询效率会低 //return jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name).size() == 1 ? jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name).get(0) : null; List listAccount = getJdbcTemplate().query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name); if (listAccount.isEmpty()) { return null; } if (listAccount.size() > 1) { throw new RuntimeException("结果集不唯一"); } return listAccount.get(0); }@Override public void updateAccount(Account account) { getJdbcTemplate().update("update account set name = ?,money = ? where id = ?", account.getName(), account.getMoney(), account.getId()); } }

账户的业务层接口 IAccountService .java

package cn.icanci.service; import cn.icanci.domain.Account; /** * @Author: icanci * @ProjectName: springtx * @PackageName: cn.icanci.service * @Date: Created in 2020/1/10 22:10 * @ClassAction: 账户的业务层接口 */ public interface IAccountService { /** * 根据id查询账户 * @param id 需要查询的id * @return 返回查询出的的Account对象 */ Account findAccountById(Integer id); /** * 转账 * @param sourceName 转出 * @param targetName 转入 * @param money 转账金额 */ void transfer(String sourceName,String targetName,Float money); }

AccountServiceImpl .java

package cn.icanci.service.impl; import cn.icanci.dao.IAccountDao; import cn.icanci.domain.Account; import cn.icanci.service.IAccountService; import org.springframework.beans.factory.annotation.Autowired; /** * @Author: icanci * @ProjectName: springtx * @PackageName: cn.icanci.service.impl * @Date: Created in 2020/1/10 22:12 * @ClassAction: */public class AccountServiceImpl implements IAccountService { @Autowired private IAccountDao accountDao; @Override public Account findAccountById(Integer id) { return accountDao.findAccountById(id); }@Override public void transfer(String sourceName, String targetName, Float money) { //第一步:根据名称查询转出账户 Account source = accountDao.findAccountByName(sourceName); //第二步:根据名称查询转入账户 Account target = accountDao.findAccountByName(targetName); //第三步:转出账户捡钱 source.setMoney(source.getMoney() - money); //第四步:转入账户价钱 target.setMoney(target.getMoney() + money); //第五步:更新转出账户 accountDao.updateAccount(source); int i = 1 / 0; //第六步:更新转入账户 accountDao.updateAccount(target); } }

bean.xml配置文件

【Spring知识点整合(下)】

测试类:

package cn.icanci.test; import cn.icanci.dao.IAccountDao; import cn.icanci.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; /** * @Author: icanci * @ProjectName: springtx * @PackageName: cn.icanci.test * @Date: Created in 2020/1/10 22:19 * @ClassAction: */@RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = "classpath:bean.xml") public class AccountServiceTest { @Autowired private IAccountService accountService; @Test public void testTransfer() { accountService.transfer("aaa", "bbb", 111F); } }

测试通过的,可以完成事务的回滚
重点:基于注解配置的声明式事务控制非纯注解基于上一个修改的代码如下:
AccountDaoImpl.java

package cn.icanci.dao.impl; importjava.lang.ref.Reference; import cn.icanci.dao.IAccountDao; import cn.icanci.domain.Account; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jdbc.core.BeanPropertyRowMapper; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.core.support.JdbcDaoSupport; import org.springframework.stereotype.Repository; import java.util.List; /** * @Author: icanci * @ProjectName: jdbcTemplate * @PackageName: cn.icanci.dao.impl * @Date: Created in 2020/1/10 21:06 * @ClassAction: 账户的持久层实现类 */ @Repository("accountDao") public class AccountDaoImpl implements IAccountDao {@Autowired private JdbcTemplate jdbcTemplate; @Override public Account findAccountById(Integer id) { //这个是装x的写法因为有两次查询效率会低 //return jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id).size() == 1 ? jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id).get(0) : null; List listAccount = jdbcTemplate.query("select * from account where id = ?", new BeanPropertyRowMapper<>(Account.class), id); return listAccount.size() == 1 ? listAccount.get(0) : null; }@Override public Account findAccountByName(String name) { //这个是装x的写法因为有两次查询效率会低 //return jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name).size() == 1 ? jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name).get(0) : null; List listAccount = jdbcTemplate.query("select * from account where name = ?", new BeanPropertyRowMapper<>(Account.class), name); if (listAccount.isEmpty()) { return null; } if (listAccount.size() > 1) { throw new RuntimeException("结果集不唯一"); } return listAccount.get(0); }@Override public void updateAccount(Account account) { jdbcTemplate.update("update account set name = ?,money = ? where id = ?", account.getName(), account.getMoney(), account.getId()); } }

AccountServiceImpl.java

package cn.icanci.service.impl; import cn.icanci.dao.IAccountDao; import cn.icanci.domain.Account; import cn.icanci.service.IAccountService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; /** * @Author: icanci * @ProjectName: springtx * @PackageName: cn.icanci.service.impl * @Date: Created in 2020/1/10 22:12 * @ClassAction: */ @Service("accountService") @Transactional(propagation = Propagation.SUPPORTS,readOnly = true) public class AccountServiceImpl implements IAccountService { @Autowired private IAccountDao accountDao; @Override public Account findAccountById(Integer id) { return accountDao.findAccountById(id); }@Transactional(propagation = Propagation.REQUIRED,readOnly = false) @Override public void transfer(String sourceName, String targetName, Float money) { //第一步:根据名称查询转出账户 Account source = accountDao.findAccountByName(sourceName); //第二步:根据名称查询转入账户 Account target = accountDao.findAccountByName(targetName); //第三步:转出账户捡钱 source.setMoney(source.getMoney() - money); //第四步:转入账户价钱 target.setMoney(target.getMoney() + money); //第五步:更新转出账户 accountDao.updateAccount(source); //int i = 1 / 0; //第六步:更新转入账户 accountDao.updateAccount(target); } }

bean.xml配置

其他不变:测试通过的
重点:基于注解配置的声明式事务控制纯注解现在可以直接删除掉 bean.xml 不过可以一边配置一边删除
依然使用上述的例子这里只给出修改部分的代码
增加配置类 SpringConfiguration.java

package cn.icanci.config; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Import; import org.springframework.context.annotation.PropertySource; import org.springframework.transaction.annotation.EnableTransactionManagement; import javax.annotation.Resource; /** * @Author: icanci * @ProjectName: springtx * @PackageName: cn.icanci.config * @Date: Created in 2020/1/10 23:12 * @ClassAction: Spring的配置类相当于 bean.xml */ @Configuration @ComponentScan("cn.icanci") @Import({JdbcConfiguration.class,TransactionConfiguration.class}) @PropertySource("jdbcConfigurate.properties") @EnableTransactionManagement public class SpringConfiguration { }

增加配置类配置数据库链接 JdbcConfiguration .java

package cn.icanci.config; importjava.beans.Beans; import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.Bean; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.jdbc.datasource.DriverManagerDataSource; import javax.sql.DataSource; import java.sql.DatabaseMetaData; import java.sql.DriverManager; /** * @Author: icanci * @ProjectName: springtx * @PackageName: cn.icanci.config * @Date: Created in 2020/1/10 23:13 * @ClassAction: 和练级数据库相关的配置类 */ public class JdbcConfiguration { @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JdbcTemplate * @param datasource * @return */ @Bean(name="jdbcTemplate") public JdbcTemplate createJdbcTemplate(DataSource datasource){ return new JdbcTemplate(datasource); } @Bean(name = "datasource") public DataSource createDataSource(){ DriverManagerDataSource ds = new DriverManagerDataSource(); ds.setDriverClassName(driver); ds.setUrl(url); ds.setUsername(username); ds.setPassword(password); returnds; } }

增加配置类处理事务 TransactionConfiguration.java

package cn.icanci.config; import org.springframework.context.annotation.Bean; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.transaction.PlatformTransactionManager; import javax.sql.DataSource; /** * @Author: icanci * @ProjectName: springtx * @PackageName: cn.icanci.config * @Date: Created in 2020/1/10 23:26 * @ClassAction:用于创建事务管理器的类 */ public class TransactionConfiguration { /** * 用于创建事务管理器 * @param dataSource * @return */ @Bean(name = "transactionManagement") public PlatformTransactionManager createTransactionManager(DataSource dataSource){ return new DataSourceTransactionManager(dataSource); } }

增加配置文件 jdbcConfigurate.properties

jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/icanci jdbc.username=root jdbc.password=ok

修改测试类 AccountServiceTest.java 并且测试

package cn.icanci.test; import cn.icanci.config.SpringConfiguration; import cn.icanci.dao.IAccountDao; import cn.icanci.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; /** * @Author: icanci * @ProjectName: springtx * @PackageName: cn.icanci.test * @Date: Created in 2020/1/10 22:19 * @ClassAction: */@RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = SpringConfiguration.class) public class AccountServiceTest { @Autowired private IAccountService accountService; @Test public void testTransfer() { accountService.transfer("aaa", "bbb", 111F); } }

最后是测试通过的
18.Spring中的编程式事务控制这里暂时不写了,编程式事务控制开发中很少使用
至此 Spring的知识点整合到此告一段落
之后的学习中有需要的会进行补充
华丽的分割线
此处 @我自己这是QQ聊天的链接欢迎一起吹
此处 @Spring知识点整合(上) 和 @Spring知识点整合(中)