4）spring 的 applicationContext.xml

spring 的 applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd">

<beans>
 <!-- 引入参数配置文件 -->
 <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
  <property name="locations">
   <list>
    <value>jdbc.properties</value>
   </list>
  </property>
 </bean>
 
 <!-- 配置数据源  -->
 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
  <property name="driverClass"><value>${jdbc.driverClass}</value></property>
  <property name="jdbcUrl"><value>${jdbc.url}</value></property>
  <property name="user"><value>${jdbc.user}</value></property>
  <property name="password"><value>${jdbc.password}</value></property>
  <property name="initialPoolSize"><value>${jdbc.initialPoolSize}</value></property>
  <property name="minPoolSize"><value>${jdbc.minPoolSize}</value></property>
  <property name="maxPoolSize"><value>${jdbc.maxPoolSize}</value></property>
 </bean>
 <!-- 事务管理器 -->
 <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> 
  <property name="dataSource"> 
   <ref local="dataSource"/> 
  </property> 
 </bean> 
 
 
 <!-- 事务代理拦截器的配置 -->
 <bean id="baseTransactionProxy" abstract="true" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
  <property name="transactionManager">
   <ref bean="transactionManager" />
  </property>
  <property name="transactionAttributes">
   <props>
    <prop key="insert*">PROPAGATION_REQUIRED</prop>
    <prop key="update*">PROPAGATION_REQUIRED</prop>
    <prop key="delete*">PROPAGATION_REQUIRED</prop>
    <prop key="*">PROPAGATION_REQUIRED,readOnly</prop>
   </props>
  </property>
 </bean>
 
 
 <!-- ibatis sqlMapClient 配置 -->
 <bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
        <property name="configLocation">
            <value>classpath:sqlMapConfig.xml</value>
        </property>
        <property name="dataSource">
            <ref bean="dataSource"/>
        </property>    
    </bean>
 
 
 <!-- dao配置 -->
 <bean id="ibatis_BookDao" class="com.spring.demo.dao.Ibatis_BookDao">
  <property name="sqlMapClient" >
   <ref bean="sqlMapClient"/>
  </property>
 </bean>
 
 
 <!-- 添加了事务的管理类 -->
 <bean id="ibatis_BookManager" parent="baseTransactionProxy">
  <property name="target">
   <bean class="com.spring.demo.manager.Ibatis_BookManager">
    <property name="dao">
     <ref bean="ibatis_BookDao"/>
    </property>
   </bean>
  </property>
 </bean>
 
 
</beans>

5) 数据源参数配置文件：jdbc.properties
【说明 ：按照你的具体情况来配置】：
------------

引用

jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/springdemo?useUnicode=true&characterEncoding=utf-8

jdbc.user=root

jdbc.password=root

jdbc.initialPoolSize=1

jdbc.minPoolSize=1

jdbc.maxPoolSize=10

------------