web.xml

关于servlet监听器和过滤器的例子,大家如果有这方面的需求的话可以

<?xml version="1.0" encoding="ISO-8859-1"?>

<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
    version="2.4">
    
    <filter>
      <filter-name>SessionFilter</filter-name>
      <filter-class>com.allanlxf.sms.web.SessionFilter</filter-class>
    </filter>
    <filter-mapping>
      <filter-name>SessionFilter</filter-name>
      <url-pattern>/protected/*</url-pattern>
      <dispatcher>forward</dispatcher>
      <dispatcher>request</dispatcher>
      <dispatcher>include</dispatcher>
    </filter-mapping>  
    
   <listener>
     <listener-class>com.allanlxf.listener.MyContextListener</listener-class>
   </listener>
   
    <servlet>
      <servlet-name>ActionServlet</servlet-name>
      <servlet-class>com.allanlxf.sms.web.ActionServlet</servlet-class>
      <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet>
      <servlet-name>LoginServlet</servlet-name>
      <servlet-class>com.allanlxf.sms.web.LoginServlet</servlet-class>
    </servlet>
    
    <servlet-mapping>
      <servlet-name>ActionServlet</servlet-name>
      <url-pattern>*.do</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
      <servlet-name>LoginServlet</servlet-name>
      <url-pattern>/login</url-pattern>
    </servlet-mapping>
</web-app>