<!-- 配置c3p0數(shù)據(jù)源,只是進(jìn)行了最簡單的配置 -->
  <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
    <property name="user" value="root"></property>
    <property name="password" value="hss325730"></property>
    <property name="jdbcUrl" value="jdbc:mysql://127.0.0.1:3306/test"></property>
    <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
  </bean>
  
  <!-- 配置Spring的 JdbcTemplate -->
  <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
    <property name="dataSource" ref="dataSource"></property>
  </bean>
  
  <!-- 配置Bean -->
  <bean id="bookDao" class="com.zhoujian.spring.transcation.xml.BookDaoImpl">
    <property name="tempate" ref="jdbcTemplate"></property>
  </bean>
  <bean id="bookService" class="com.zhoujian.spring.transcation.xml.service.impl.BookServiceImpl">
    <property name="dao" ref="bookDao"></property>
  </bean>
  <bean id="batchBuy" class="com.zhoujian.spring.transcation.xml.service.impl.BatchBuyImpl">
    <property name="service" ref="bookService"></property>
  </bean>
  
  <!-- 配置事務(wù)管理器 -->
  <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource"></property>
  </bean>
  
  <!-- 配置事務(wù)管理器屬性 并與事務(wù)管理器關(guān)聯(lián)-->
  <tx:advice id="myAdvice" transaction-manager="transactionManager">
    <tx:attributes>
      <!-- 在這里一般都是使用通配符進(jìn)行配置, 或者直接配置指定的方法 -->
      <tx:method name="buy" propagation="REQUIRES_NEW"/>
      <tx:method name="get*" propagation="REQUIRED"/>
      <tx:method name="*"/>
    </tx:attributes>
  </tx:advice>
  
  <!-- 配置開啟事務(wù)的切入點(diǎn),使用AOP進(jìn)行切入點(diǎn)的配置,并與事務(wù)管理器屬性關(guān)聯(lián)起來 -->
  <aop:config>
    <aop:pointcut expression="execution(* com.zhoujian.spring.transcation.xml.service.*.*(..))" id="myPointcut"/>
    <aop:advisor advice-ref="myAdvice" pointcut-ref="myPointcut"/>
  </aop:config>

 <!-- 配置自動掃描 -->
  <context:component-scan base-package="com.zhoujian.spring"></context:component-scan>
  
  <!-- 配置c3p0數(shù)據(jù)源,只是進(jìn)行了最簡單的配置 -->
  <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
    <property name="user" value="root"></property>
    <property name="password" value="hss325730"></property>
    <property name="jdbcUrl" value="jdbc:mysql://127.0.0.1:3306/test"></property>
    <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
  </bean>

<!-- 配置Spring的 JdbcTemplate -->
  <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
    <property name="dataSource" ref="dataSource"></property>
  </bean>

<!-- 配置事務(wù)管理器 -->
  <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource"></property>
  </bean>

 <!-- 啟動事務(wù)注解 -->
  <tx:annotation-driven transaction-manager="transactionManager"/>

package com.zhoujian.spring.transcation;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
 
@Service("bookService")
public class BookServiceImpl implements BookService {
  
  @Autowired
  private BookDao dao;
 
  //這里是在指定方法上面開啟事務(wù)
  @Transactional
  @Override
  public void buy(String userId, String bookId) {
    
    Integer price = dao.getBookPrice(bookId);
    
    dao.updateBookCount(bookId);
    
    dao.updateUserAccount(userId, price);
  }
 
}

package com.zhoujian.spring.transcation;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
@Service("batchBuy")
public class BatchBuyImpl implements BatchBuy {
  @Autowired
  private BookService service;
  
  
  /**
   * 1、關(guān)于事務(wù)的傳播行為(當(dāng)前事務(wù)方法調(diào)用另外的事務(wù)方法時,面對的事務(wù)怎么使用的問題),
   * 常用的有兩種(Propagation.REQUIRED, Propagation.REQUIRES_NEW)
   * Spring 默認(rèn)使用 Propagation.REQUIRED,表示使用當(dāng)前事務(wù)方法持有的事務(wù)
   * 
   * 例如: 事務(wù)方法A 調(diào)用事務(wù)方法B, 
   * 如果事務(wù)的傳播行為使用Propagation.REQUIRED時,表示支持已經(jīng)存在的事務(wù),
   * 如果在調(diào)用A方法之前不存在任何事務(wù),那么此時會創(chuàng)建一個新的事務(wù),在這里則都使用方法A所持有的事務(wù),
   * 　對于該配置，如果B過程中發(fā)生異常需要回滾,那么A中所進(jìn)行的所有數(shù)據(jù)庫操作也將同時被回滾,
   * 因?yàn)檫@兩個方法使用了同一個事務(wù);
   * 
   * 
   * 如果事務(wù)的傳播行為使用Propagation.REQUIRES_NEW時, 表示將A方法所持有的事務(wù)掛起,
   * 使用B方法自己的事務(wù),當(dāng)B方法事務(wù)完成之后,A事務(wù)才被喚醒
   */
  @Transactional(propagation=Propagation.REQUIRED)
  @Override
  public void buy(String userId, List<String> bookIds) {
    for(String bookId : bookIds){
      service.buy(userId, bookId);
    }
  }
}

package com.zhoujian.spring.transcation;
import java.util.Arrays;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class TranscationTest {
  private static ApplicationContext ac = null;
  private static BookDao dao = null;
  private static BookService service;
  private static BatchBuy buy;
  
  static{
    ac = new ClassPathXmlApplicationContext("bean-transcation.xml");
    dao = ac.getBean("bookDao", BookDao.class);
    service = ac.getBean("bookService", BookService.class);
    buy = ac.getBean("batchBuy", BatchBuy.class);
  }
  
  @Test
  public void test1(){
    buy.buy("001", Arrays.asList("1","2"));
  }
  
  @Test
  public void test() {
    service.buy("001", "1");
  }
}