web.xml配置:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
?xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee?? http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
?<filter>
??<filter-name>struts2</filter-name>
??<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
?</filter>
?
??<filter-mapping>
??<filter-name>struts2</filter-name>
??<url-pattern>/*</url-pattern>
??</filter-mapping>
??
<!--applicationContext*.xml具体位置
???? <context-param>
??????? <param-name>contextConfigLocation</param-name>
??????? <param-value>/WEB-INF/applicationContext*.xml</param-value>
???? </context-param>
?-->
?<listener>
??? <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
??</listener>
?
?<welcome-file-list>
??? <welcome-file>index.jsp</welcome-file>
?</welcome-file-list>
?</web-app>
?
struts.xml配置：
??? <constant name="struts.objectFactory" value="spring"/>
action交给Spring来管理，action中的class类=是applicationContext.xml中bean中配置的，如：
??? <action name="adminLoginAction" class="AdminLoginAction" method="AdminLogin">
?
applicationContext.xml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"
?xsi:schemaLocation="http://www.springframework.org/schema/beans
?http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
?
<!-- bean里的id为struts.xml中action里映射实体Action类的一个标志，这里的class才是真实的映射类地址 -->?
?<bean id="SysUserDao" class="common.login.SysUserDao" />
?<bean id="AdminLoginAction" class="common.login.LoginAction" scope="prototype">
??<property name="sysUserDao">
???<ref bean="SysUserDao"/>
??</property>
?</bean>
</beans>
?
注意：在Action中或其他的类中引用到另外的一人类，只需要在这个类中声明一下，get/set一下就O了，如：
? LoginAction中：
??????? private SysUserDao sysUserDao;?（必须要写地）
?
??????? public SysUserDao getSysUserDao() {
?????????? ?return sysUserDao;
???????? }
??????? public void setSysUserDao(SysUserDao sysUserDao) {
?????????? ?this.sysUserDao = sysUserDao;
??????? ?}
?? 下面就可以用了：sysUserDao.方法就可以了