拆分Spring的配置文件

之前我们做的是将所有的配置信息几乎都写在了applicationContext.xml配置文件中了，这样，这个配置文件势必会变得非常的庞大，不利于后期的维护。

现在，我们需要对这个配置文件进行拆分。

现在我先按照层次进行拆分

applicationContext-dao.xml

applicationContext-service.xml

applicationContext.xml

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans  xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns:p="http://www.springframework.org/schema/p"
 5     xmlns:context="http://www.springframework.org/schema/context"
 6     xmlns:aop="http://www.springframework.org/schema/aop"
 7     xmlns:tx="http://www.springframework.org/schema/tx"
 8     xsi:schemaLocation="http://www.springframework.org/schema/beans
 9     http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
10     http://www.springframework.org/schema/context
11     http://www.springframework.org/schema/context/spring-context-3.2.xsd
12     http://www.springframework.org/schema/tx
13     http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
14     http://www.springframework.org/schema/aop
15     http://www.springframework.org/schema/aop/spring-aop-3.2.xsd">
16 
17     <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer" >    
18         <property name="location">
19             <value>classpath:database.properties</value>        
20         </property>
21     </bean>
22     <!-- 配置DataSource -->
23     <!-- <bean id="dataSource" destroy-method="close" class="org.apache.commons.dbcp.BasicDataSource" autowire="no">
24         <property name="driverClassName" value="${jdbc.driver}" />
25         <property name="url" value="${jdbc.url}" />
26         <property name="username" value="${jdbc.username}" />
27         <property name="password" value="${jdbc.password}" />
28     </bean> -->
29     
30     <bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean" >
31         <property name="jndiName">
32             <value>java:comp/env/jndi/smbms</value>
33         </property>         
34     </bean>
35 
36     <!-- 配置SqlSessionFactoryBean -->
37     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean" >
38         <!-- 引用数据源组件 -->
39         <property name="dataSource" ref="dataSource" />
40         <!-- 引用MyBatis配置文件中的配置 -->
41         <property name="configLocation" value="classpath:mybatis-config.xml" />
42     </bean>
43   
44   
45  <!--    <context:component-scan base-package="cn.smbms.service" /> -->
46     <!-- 定义事务管理器 -->
47     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
48         <property name="dataSource" ref="dataSource"></property>
49     </bean>
50     <tx:annotation-driven />
51     <!-- <tx:advice id="txAdvice">
52         <tx:attributes>
53             <tx:method name="find*" propagation="SUPPORTS" />
54             <tx:method name="add*" propagation="REQUIRED" />
55             <tx:method name="del*" propagation="REQUIRED" />
56             <tx:method name="update*" propagation="REQUIRED" />
57             <tx:method name="*" propagation="REQUIRED" />
58         </tx:attributes>
59     </tx:advice> -->
60     <!-- 定义切面 -->
61     <!-- <aop:config>
62         <aop:pointcut id="serviceMethod"
63             expression="execution(* cn.smbms.service..*.*(..))" />
64         <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod" />
65     </aop:config> -->
66 </beans>