SSHweb.xml详解 悟寰轩

Struts:

如果是2.1.3之前的版本，用org.apache.struts2.dispatcher.FilterDispatcher，否则，用org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter。 从Struts2.1.3开始，将废弃ActionContextCleanUp过滤器，而在StrutsPrepareAndExecuteFilter过滤器中包含相应的功能

<!-- Struts2 filter -->
    <filter>
        <filter-name>struts2CleanupFilter</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
    </filter>

    <filter>
        <filter-name>struts2Filter</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>

如果程序报类找不到异常，且后面有 org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter  等信息，可能是你的版本问题.解决方法是确定你的struts版本， 如果是2.1.3之前的版本，用 org.apache.struts2.dispatcher.FilterDispatcher，以后的版本则配置org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter

ActionContextCleanUp的作用：http://blog.csdn.net/xingxing1909/article/details/7843587

 1 <filter-mapping>
 2         <filter-name>struts2CleanupFilter</filter-name>
 3         <url-pattern>/*</url-pattern>
 4         <dispatcher>REQUEST</dispatcher>
 5         <dispatcher>FORWARD</dispatcher>
 6     </filter-mapping>
 7 
 8     <filter-mapping>
 9         <filter-name>struts2Filter</filter-name>
10         <url-pattern>/*</url-pattern>
11         <dispatcher>REQUEST</dispatcher>
12         <dispatcher>FORWARD</dispatcher>
13     </filter-mapping>

Hibernate：

1 <!-- Hibernate Open Session In View filter -->
2     <filter>
3         <filter-name>hibernateOpenSessionInViewFilter</filter-name>
4         <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
5     </filter>

作用：http://mimimao0901.iteye.com/blog/1388692

Spring：

1 <!--Spring ApplicationContext配置文件的路径,可使用通配符,多个路径用,号分隔此参数用于后面的Spring Context 
2         Loader -->
3     <context-param>
4         <param-name>contextConfigLocation</param-name>
5         <param-value>classpath*:/applicationContext.xml</param-value>
6     </context-param>

 1 <!--Spring的ApplicationContext 载入 -->
 2     <listener>
 3         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
 4     </listener>
 5 
 6     <!-- Spring 刷新Introspector防止内存泄露 -->
 7     <listener>
 8         <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
 9     </listener>
10 
11     <!-- session超时定义,单位为分钟 -->
12     <session-config>
13         <session-timeout>30</session-timeout>
14     </session-config>