Java Web部署：web.xml各参数介绍

http://www.cnblogs.com/wannianma/archive/2012/02/14/2351209.html

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app     PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"     "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app>     <display-name>dwmis框架系统</display-name>     <description>dwmis框架系统</description>     <!--上下文参数：声明应用范围内的初始化参数-->     <context-param>         <param-name>log4jConfigLocation</param-name>         <param-value>/WEB-INF/log4j.properties</param-value>     </context-param>     <context-param>         <param-name>webAppRootKey</param-name>         <param-value>dwmis.root</param-value>     </context-param>     <context-param>         <param-name>contextConfigLocation</param-name>         <param-value>/WEB-INF/applicationContext.xml</param-value>     </context-param>     <!--过滤器定义。Servlet版本2.3引入了过滤器的概念。过滤器可截取和修改一个Servlet或JSP页面的请求或            或从一个Servlet或JSP页面发出的响应。过滤器具有对到来的ServletRequest对象的全部访问权，因此可            可以查看客户机名、查找到来的cookie等。--> 23     <filter>         <filter-name>Encoding</filter-name>         <filter-class>             com.dareway.framework.filter.EncodingFilter         </filter-class>         <init-param>             <param-name>encoding</param-name>             <param-value>GBK</param-value>         </init-param>     </filter>     <filter>         <filter-name>SafetyFilter</filter-name>         <filter-class>             com.dareway.framework.filter.SafetyFilter         </filter-class>     </filter>     <!--过滤器映射：可使用filter-name和servlet-name子元素把过滤器与一个特定的Servlet名关联;也可以用filter-name和            url-pattern子元素将过滤器与一组Servlet、JSP页面或静态内容相关联。->     <filter-mapping>         <filter-name>Encoding</filter-name>         <url-pattern>/*</url-pattern>     </filter-mapping>     <filter-mapping>         <filter-name>SafetyFilter</filter-name>         <servlet-name>dwmis</servlet-name>     </filter-mapping>     <!--监听器：事件监听程序在建立、修改和删除会话或Servlet环境时，得到通知。listener元素指出事件监听程序类-->     <listener>         <listener-class>             com.dareway.framework.log4j.Log4jConfigListener         </listener-class>     </listener>     <listener>         <listener-class>             com.dareway.framework.plugin.AppContextPlugIn         </listener-class>     </listener>     <!--Servlet定义：在向Servlet或JSP页面制定初始化参数或定制URL时，必须首先命名Servlet或JSP页面-->     <servlet>         <servlet-name>context</servlet-name>         <servlet-class>             org.springframework.web.context.ContextLoaderServlet         </servlet-class>         <load-on-startup>1</load-on-startup>     </servlet>      <servlet>         <servlet-name>dwmis</servlet-name>         <servlet-class>             org.springframework.web.servlet.DispatcherServlet         </servlet-class>         <init-param>             <param-name>contextConfigLocation</param-name>             <param-value>/WEB-INF/dwmis-servlet.xml</param-value>         </init-param>         <init-param>             <param-name>charset</param-name>             <param-value>GBK</param-value>         </init-param>         <load-on-startup>2</load-on-startup>     </servlet>     <!--Servlet映射：服务器一般为servlet提供一个默认的URL：http://host/webAppPrefix/servlet/ServletName.     但是，常常会更改这个URL，一边servlet开一个访问初始化数据或更容易处理相对URL。-->     <servlet-mapping>         <servlet-name>dwmis</servlet-name>         <url-pattern>*.do</url-pattern>     </servlet-mapping>      <servlet-mapping>         <servlet-name>treeServlet</servlet-name>         <url-pattern>/treeServlet</url-pattern>     </servlet-mapping>      <servlet-mapping>         <servlet-name>AxisServlet</servlet-name>         <url-pattern>/services/*</url-pattern>     </servlet-mapping>     <!--控制会话超时-->     <session-config>         <session-timeout>60</session-timeout>     </session-config>123     <!--欢迎制定文件-->     <welcome-file-list>         <welcome-file>logonDialog.jsp</welcome-file>     </welcome-file-list>     <!--定位TLD:taglib元素对标记库描述符文件（Tag Librayu Descriptor file)指定别名。此功能使你能够更改TLD文件的位置，        而不用编辑使用这些文件的JSP页面-->     <taglib>         <taglib-uri>darewayBS.tld</taglib-uri>         <taglib-location>/WEB-INF/darewayBS.tld</taglib-location>     </taglib>     <taglib>         <taglib-uri>darewayForJSP.tld</taglib-uri>         <taglib-location>/WEB-INF/darewayForJSP.tld</taglib-location>     </taglib> </web-app>