spring简单配置

<?xml version="1.0" encoding="UTF-8"?>
<beans
    xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
    
    <!-- 配置数据库链接 -->
     <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName">
            <value>com.mysql.jdbc.Driver</value>
        </property>
        <property name="url">
            <value>jdbc:mysql://localhost:3306/usermanager
            </value>
        </property>
        <property name="username">
            <value>root</value>
        </property>
        <property name="password">
            <value>123456</value>
        </property>
    </bean>    
    
    
    <!-- 配置SessionFactory -->
     <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="dataSource" >
            <ref local="dataSource"/>
        </property>
        
        <!-- 配置Hibernate的属性 -->
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
        <!-- 指定HIbernate映射文件的路径 -->
        <property name="mappingResources">
            <list>
                <value>com/integration/entity/User.hbm.xml</value>
            </list>
        </property>
     </bean>
     
    <bean id="userDAO"
         class="com.integration.dao.UserDAOImpl"
         abstract="false" lazy-init="default" autowire="default">
         <property name="sessionFactory">
             <ref bean="sessionFactory" />
         </property>
     </bean>    
     <bean id="userService" class="com.integration.service.UserServiceImpl">
         <property name="userDAO" ref="userDAO"></property>
     </bean>      
     <bean id="userAction" class="com.integration.action.UserAction">     
         <property name="userService" ref="userService"></property>
     </bean>
     <bean id="loginAction" class="com.integration.action.LoginAction">
         <property name="userService" ref="userService"></property>
         </bean>     
     <bean id="userDeleteAction" class="com.integration.action.UserDeleteAction">
         <property name="userService" ref="userService"></property>
     </bean>     
     <bean id="userQueryAction" class="com.integration.action.UserQueryAction">
         <property name="userService" ref="userService"></property>
     </bean>     
     <bean id="userUpdateAction" class="com.integration.action.UserUpdateAction">
         <property name="userService" ref="userService"></property>
     </bean>
</beans>

1、配置datasource数据库链接；

2、配置sessionFactory 会话工厂；

3、配置各种bean类及bean类组合；

bean类组合一般是 配置DAO类----配置Service类，使用service类调用DAO类-----配置Action类，使用Action类调用Service类。

所有的bean都有ID，通过BeanId识别不同类的实体化；