首先来看一个标准的Spring配置文件 applicationContext.xml
<?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:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"
default-autowire="byName" default-lazy-init="true">
<!-- 配置数据源 -->
<bean id="s1" class="org.apache.commons.dbcp.BasicDataSource">
<property name="url" value="jdbc:oracle:thin:@localhost:1521:XE"></property>
<property name="username" value="scott"></property>
<property name="password" value="tiger"></property>
<property name="driverClassName" value="oracle.jdbc.OracleDriver"></property>
</bean>
<!--配置SessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="mappingResources">
<list>
<value>com/ssh/pojo/User.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
</bean>
<!-- 事务管理 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<!-- hibernateTemplate -->
<bean id="hibernateTemplate"
class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<!-- 配置数据持久层 -->
<bean id="userDao"
class="com.ssh.dao.impl.UserDaoImpl">
<property name="hibernateTemplate" ref="hibernateTemplate"></property>
</bean>
<!-- 配置业务逻辑层 -->
<bean id="userService"
class="com.ssh.service.impl.UserServiceImpl">
<property name="userDao" ref="userDao"></property>
</bean>
<!-- 配置控制层 -->
<bean id="UserAction"
class="com.ssh.action.UserAction" scope="prototype">
<property name="userService" ref="userService"></property>
</bean>
<!-- 配置pojo -->
<bean id="User" class="com.ssh.pojo.User" scope="prototype"/>
</beans>
配置的详解
1.基本配置：
<?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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
">
<context:component-scan base-package="com.persia">
<!-- 开启组件扫描 -->
</context:component-scan>
<context:annotation-config>
<!--开启注解处理器-->
</context:annotation-config>
<!-- 使用注解,省去了propertity的xml配置，减少xml文件大小 -->
<bean id="personServiceAnno" class="com.persia.PersonServiceAnnotation"></bean>
<bean id="personDaoBeanAnno" class="com.persia.PersonDaoBean"></bean>
<bean id="personDaoBeanAnno2" class="com.persia.PersonDaoBean"></bean>
<!-- 自动注解 -->
<bean id="personServiceAutoInject" class="com.persia.PersonServiceAutoInject" autowire="byName"></bean>
<bean id="personService" class="com.persia.PersonServiceBean">
<!-- 由spring容器去创建和维护，我们只要获取就可以了 -->
</bean>
<bean id="personService2" class="com.persia.PersonServiceBeanFactory" factory-method="createInstance" lazy-init="true"
init-method="init" destroy-method="destory">
<!-- 静态工厂获取bean -->
</bean>
<bean id="fac" class="com.persia.PersonServiceBeanInsFactory"></bean>
<bean id="personService3" factory-bean="fac" factory-method="createInstance" scope="prototype">
<!-- 实例工厂获取bean，先实例化工厂再实例化bean-->
</bean>
<!-- ref方式注入属性 -->
<bean id="personDao" class="com.persia.PersonDaoBean"></bean>
<bean id="personService4" class="com.persia.PersonServiceBean">
<property name="personDao" ref="personDao"></property>
</bean>
<!-- 内部bean方式注入 -->
<bean id="personService5" class="com.persia.PersonServiceBean">
<property name="personDao">
<bean class="com.persia.PersonDaoBean"></bean>
</property>
<property name="name" value="persia"></property>
<property name="age" value="21"></property>
<property name="sets">
<!-- 集合的注入 -->
<set>
<value>第一个</value>
<value>第二个</value>
<value>第三个</value>
</set>
</property>
<property name="lists">
<!-- 集合的注入 -->
<list>
<value>第一个l</value>
<value>第二个l</value>
<value>第三个l</value>
</list>
</property>
<property name="properties">
<props>
<prop key="key1">value1</prop>
<prop key="key2">value2</prop>
<prop key="key3">value3</prop>
</props>
</property>
<property name="map">
<map>
<entry key="key1" value="value-1"></entry>
<entry key="key2" value="value-2"></entry>
<entry key="key3" value="value-3"></entry>
</map>
</property>
</bean>
<bean id="personService6" class="com.persia.PersonServiceBean">
<constructor-arg index="0" value="构造注入的name" ></constructor-arg>
<!-- 基本类型可以不写type -->
<constructor-arg index="1" type="com.persia.IDaoBean" ref="personDao">
</constructor-arg>
</bean>
</beans>2.开启AOP：
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
">
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<bean id="myInterceptor" class="com.persia.service.MyInterceptor"></bean>
<bean id="personServiceImpl" class="com.persia.service.impl.PersonServiceImpl"></bean>
</beans>AOP的xml版本<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
">
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<bean id="personService" class="com.persia.service.impl.PersonServiceImpl"></bean>
<bean id="aspectBean" class="com.persia.service.MyInterceptor"></bean>
<aop:config>
<aop:aspect id="myaop" ref="aspectBean">
<aop:pointcut id="mycut" expression="execution(* com.persia.service.impl.PersonServiceImpl.*(..))"/>
<aop:pointcut id="argcut" expression="execution(* com.persia.service.impl.PersonServiceImpl.*(..)) and args(name)"/>
<aop:before pointcut-ref="mycut" method="doAccessCheck" />
<aop:after-returning pointcut-ref="mycut" method="doAfterReturning"/>
<aop:after-throwing pointcut-ref="mycut" method="doThrowing"/>
<aop:after pointcut-ref="argcut" method="doAfter" arg-names="name"/>
<aop:around pointcut-ref="mycut" method="arround"/>
</aop:aspect>
</aop:config>
</beans>3.开启事务和注解：
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
">
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<!-- 配置数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8"/>
<property name="username" value="root"/>
<property name="password" value=""/>
<!-- 连接池启动时的初始值 -->
<property name="initialSize" value="1"/>
<!-- 连接池的最大值 -->
<property name="maxActive" value="500"/>
<!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 -->
<property name="maxIdle" value="2"/>
<!-- 最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请 -->
<property name="minIdle" value="1"/>
</bean>
<!-- 配置事务管理器-->
<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 配置业务bean -->
<bean id="personService" class="com.persia.service.impl.PersonServiceImpl">
<property name="ds" ref="dataSource"></property>
</bean>
<!-- 采用@Transactional注解方式来使用事务 -->
<tx:annotation-driven transaction-manager="txManager"/>
</beans>XML版本：
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
">
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<!-- 配置数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8"/>
<property name="username" value="root"/>
<property name="password" value=""/>
<!-- 连接池启动时的初始值 -->
<property name="initialSize" value="1"/>
<!-- 连接池的最大值 -->
<property name="maxActive" value="500"/>
<!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 -->
<property name="maxIdle" value="2"/>
<!-- 最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请 -->
<property name="minIdle" value="1"/>
</bean>
<!-- 配置事务管理器 -->
<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 配置业务bean -->
<bean id="personService" class="com.persia.service.impl.PersonServiceImpl">
<property name="ds" ref="dataSource"></property>
</bean>
<!-- 使用XML来使用事务管理-->
<aop:config>
<!-- 配置一个切面，和需要拦截的类和方法 -->
<aop:pointcut id="transactionPointcut" expression="execution(* com.persia.service..*.*(..))"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="transactionPointcut"/>
</aop:config>
<!-- 配置一个事务通知 -->
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<!-- 方法以get开头的，不使用事务 -->
<tx:method name="get*" read-only="true" propagation="NOT_SUPPORTED"/>
<!-- 其他方法以默认事务进行 -->
<tx:method name="*"/>
</tx:attributes>
</tx:advice>
</beans>4.SSH:
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
">
<!-- 配置数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8"/>
<property name="username" value="root"/>
<property name="password" value=""/>
<!-- 连接池启动时的初始值 -->
<property name="initialSize" value="1"/>
<!-- 连接池的最大值 -->
<property name="maxActive" value="500"/>
<!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 -->
<property name="maxIdle" value="2"/>
<!-- 最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请 -->
<property name="minIdle" value="1"/>
</bean>
<!-- 配置hibernate的sessionFactory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource"><ref bean="dataSource" /></property>
<property name="mappingResources">
<list>
<value>com/persia/model/Person.hbm.xml</value>
</list>
</property>
<!-- 1.首先在sessionFactory里面配置以上3条设置 -->
<!-- 2.然后得在类路径下面添加一个ehcache.xml的缓存配置文件 -->
<!-- 3.最后在要使用缓存的实体bean的映射文件里面配置缓存设置 -->
<!--使用二级缓存-->
<!-- 不使用查询缓存，因为命中率不是很高 -->
<!-- 使用Ehcache缓存产品 -->
<property name="hibernateProperties">
<value>
hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
hibernate.hbm2ddl.auto=update
hibernate.show_sql=false
hibernate.format_sql=false
hibernate.cache.use_second_level_cache=true
hibernate.cache.use_query_cache=false
hibernate.cache.provider_class=org.hibernate.cache.EhCacheProvider
</value>
</property>
</bean>
<!-- 配置Spring针对hibernate的事务管理器 -->
<bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- 配置使用注解的方式来使用事务 -->
<tx:annotation-driven transaction-manager="txManager"/>
<!-- 使用手工配置的注解方式来注入bean -->
<context:annotation-config></context:annotation-config>
<!--定义要注入的业务bean -->
<bean id="personService" class="com.persia.service.impl.PersonServiceImpl"></bean>
<!--将Struts的action交给Spring容器来管理 -->
<bean name="/person/list" class="com.persia.struts.PersonListAction">
<!--1.这里要求name和struts-config里面的action的path名称一致，因为id不允许有特殊字符-->
<!--2.还得在Struts-config文件里面添加Spring的请求处理器，该处理器会根据action的path属性到Spring容器里面寻找这个bean，若找到了则用这个bean来处理用户的请求-->
<!--3.然后去掉action的type标签和值（可选），当Spring处理器找不到该bean时，才会使用Struts的action-->
<!--4.最后在action里面使用Spring的注入方式来注入业务bean-->
</bean>
<bean name="/person/manage" class="com.persia.struts.PersonManageAction"></bean>
</beans>5.SSH2:
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
">
<!-- 配置数据源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8"/>
<property name="username" value="root"/>
<property name="password" value=""/>
<!-- 连接池启动时的初始值 -->
<property name="initialSize" value="1"/>
<!-- 连接池的最大值 -->
<property name="maxActive" value="500"/>
<!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 -->
<property name="maxIdle" value="2"/>
<!-- 最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请 -->
<property name="minIdle" value="1"/>
</bean>
<!-- 配置hibernate的sessionFactory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource"><ref bean="dataSource" /></property>
<property name="mappingResources">
<list>
<value>com/persia/model/Person.hbm.xml</value>
</list>
</property>
<!-- 1.首先在sessionFactory里面配置以上3条设置 -->
<!-- 2.然后得在类路径下面添加一个ehcache.xml的缓存配置文件 -->
<!-- 3.最后在要使用缓存的实体bean的映射文件里面配置缓存设置 -->
<!--使用二级缓存-->
<!-- 不使用查询缓存，因为命中率不是很高 -->
<!-- 使用Ehcache缓存产品 -->
<property name="hibernateProperties">
<value>
hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
hibernate.hbm2ddl.auto=update
hibernate.show_sql=false
hibernate.format_sql=false
hibernate.cache.use_second_level_cache=true
hibernate.cache.use_query_cache=false
hibernate.cache.provider_class=org.hibernate.cache.EhCacheProvider
</value>
</property>
</bean>
<!-- 配置Spring针对hibernate的事务管理器 -->
<bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- 配置使用注解的方式来使用事务 -->
<tx:annotation-driven transaction-manager="txManager"/>
<!-- 使用手工配置的注解方式来注入bean -->
<context:annotation-config></context:annotation-config>
<!--定义要注入的业务bean -->
<bean id="personService" class="com.persia.service.impl.PersonServiceImpl"></bean>
<!--注入Struts 2的action -->
<bean id="personList" class="com.persia.struts2.action.PersonListAction"></bean>
</beans>6.SSJ:
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
">
<!-- 使用手工配置的注解方式来注入bean -->
<context:annotation-config></context:annotation-config>
<!-- 1.配置Spring集成JPA -->
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
<property name="persistenceUnitName" value="SpringJPAPU"/>
</bean>
<!--2.配置Spring针对JPA的事务 -->
<bean id="txManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory"/>
</bean>
<!--3.开启事务注解 -->
<tx:annotation-driven transaction-manager="txManager"/>
<!--以上3个Spring集成JPA的配置，在web项目先添加Spring支持，后添加JPA支持时会自动生成 -->
<!-- 配置业务bean -->
<bean id="personService" class="com.persia.service.impl.PersonServiceImpl"></bean>
<!-- 配置Struts的action -->
<bean name="/person/list" class="com.persia.struts.PersonListAction"/>
<bean name="/person/manage" class="com.persia.struts.PersonManageAction"/>
</beans>