关于简单SSH框架中的web.xml的那些配置要点---->菜鸟一定要看哦

                                   关于简单SSH框架中的web.xml的那些配置要点

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<?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">
<!-- 字符过滤器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>com.ssh.jboa.util.CharSetFileter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>


<!-- 映射关联中的延迟加载 -->
<filter>
<filter-name>viewFilter</filter-name>
<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>viewFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- spring控制器 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- struts核心控制器 -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 配置404错误信息 -->
<error-page>
<error-code>500</error-code>
<location>/404.jsp</location>
</error-page>
<error-page>
<exception-type>java.lang.NullPointException</exception-type>
<location>/404.jsp</location>
</error-page>
<error-page>
<error-code>404</error-code>
<location>/404.jsp</location>
</error-page>
<error-page>
<error-code>503</error-code>
<location>/404.jsp</location>
</error-page>
<!-- 日志文件 -->
<listener>
<listener-class>com.ssh.jboa.util.Log4jListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
</web-app>