标签:转账 事务管理 money accountDao Spring void org import public
- 创建业务层Dao接口和实现
package tx; public interface AccountDao { public void outMoney(String from,Double money); public void inMoney(String to,Double money); }
package tx; public interface AccountService { public void transfer( String from,String to,Double money ); }
package tx; import org.springframework.transaction.TransactionStatus; import org.springframework.transaction.support.TransactionCallbackWithoutResult; import org.springframework.transaction.support.TransactionTemplate; public class AccountServiceImplement implements AccountService{ private AccountDao accountDao; public void setAccountDao(AccountDao accountDao) { this.accountDao = accountDao; } private TransactionTemplate transactionTemplate; public void setTransactionTemplate(TransactionTemplate transactionTemplate) { this.transactionTemplate = transactionTemplate; } @Override public void transfer( final String from,final String to,final Double money) { transactionTemplate.execute(new TransactionCallbackWithoutResult() { @Override protected void doInTransactionWithoutResult(TransactionStatus transactionStatus) { accountDao.outMoney(from,money); int d =1/0; accountDao.inMoney(to,money); } }); } }
配置业务层:
<bean id="accountService" class="tx.AccountServiceImplement"> <property name="accountDao" ref="accountDao"/> <!--注入事务管理模板--> <property name="transactionTemplate" ref="transactionTemplate"/> </bean> <!--Dao--> <bean id="accountDao" class="tx.AccountDaoImplement"> <property name="dataSource" ref="dataSource"/> </bean> <context:property-placeholder location="classpath:jdbc.properties"></context:property-placeholder> <!--配置c3p0连接池--> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="driverClass" value="${driverClass}"/> <property name="jdbcUrl" value="${jdbcUrl}"/> <property name="user" value="${user}"/> <property name="password" value="${password}"/> </bean> <!--<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"> <constructor-arg> <ref bean="dataSource" /> </constructor-arg> </bean>--> <!--配置平台事务管理=======--> <bean id="transactionMsnger" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <!--配置事务管理的模板--> <bean id="transactionTemplate" class="org.springframework.transaction.support.TransactionTemplate"> <constructor-arg> <ref bean="transactionMsnger"/> </constructor-arg> </bean>
测试类:
package tx; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import javax.annotation.Resource; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration("classpath:tx.xml") public class SpringTest1 { @Resource(name = "accountService") private AccountService accountService; @Test public void test1(){ accountService.transfer("王4一","王3一",1000d); } }
标签:转账,事务管理,money,accountDao,Spring,void,org,import,public 来源: https://blog.csdn.net/dagedeshu/article/details/87891375
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