Spring的事务处理之声明式事务处理

import javax.sql.DataSource;

import org.springframework.jdbc.core.*;

import org.springframework.transaction.*;

import org.springframework.dao.*;

public class bookDAO{

   private DataSource dataSource;// 依赖注入 dataSource ，管理数据库

   private PlatformTransationManager transactionManager;// 依赖注入管理事务

   public void setDataSource(DataSource dataSource){
    this.dataSource=dataSource;
   }

   public void setTransactionManager(PlatformTransationManager transactionManager){
        this. transactionManager= transactionManager;
    }
   public int create(String msg){
        JdbcTemplate jdbcTemplate=new JdbcTemplate(dataSource);
        jdbcTemplate.update(“INSERT INFO book VALUES(1,’gf’,’Mastering Spring’)”);
   }
}


"XML" _code

<beans>

    <bean id="dataSource" class="org.springframework.jdbc.datasource.
            DriverManagerDataSource”">

      <!— 使用SQL Server 数 据 库 à

        <property name="driverClassName">
          <value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value>
       </property>

       <property name="url">
          <value>jdbc:Microsoft:sqlserver://localhost:1433/stdb</value>
       </property>

       <property name="name">
          <value>admin</value>
       </property>

       <property name="msg">
          <value>admin</value>
       </property>

    </bean>

    <bean id="transactionManager" class="org.springframework.jdbc.
        datasource.DataSourceTransactionManager">
        <property name="dataSource">
             <ref bean="dataSource"></ref>
        </property>
    </bean>

   <!—  DAO-->

    <bean id="bookDAO" class="com.bookDAO">
        <property name="dataSource">
            <ref bean="dataSource"/>
        </property>

      <property name="”transactionManager”">
            <ref bean="”transactionManager”">
      </property>

   </bean>

   <bean id="bookDAOProxy" class="”org.springframework.transaction.interceptor.
           Transation.ProxyFactoryBean”">
        <property name="transacionManager">
            <ref bean="transacionMaganer"/>
        </property>

        <property name="target">
            <ref bean="bookDAO"/>
        </property>

       <property name="transactionAttributes">
            <props>
                <prop key="create">PROPAGATION_REQUIRED</prop>
            </props>
        </property>
    </bean>
</beans>