Servlet<2>

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Servlet生命周期

类加载 ----实例化----服务----销毁

package com.ruanku.web;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class LifeServlet extends HttpServlet {/** *  */private static final long serialVersionUID = 1L;@Overrideprotected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {System.out.println("servlet服务！");}@Overrideprotected void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {System.out.println("servlet服务！");}@Overridepublic void destroy() {System.out.println("servlet毁灭！");}@Overridepublic void init() throws ServletException {System.out.println("servlet初始化！");}}

xml配置文件

   <servlet>  <servlet-name>lifeServlet</servlet-name>  <servlet-class>com.ruanku.web.LifeServlet</servlet-class>  </servlet>    <servlet-mapping>  <servlet-name>lifeServlet</servlet-name>  <url-pattern>/life</url-pattern>  </servlet-mapping>

运行信息

信息: Server startup in 786 msservlet初始化！servlet服务！servlet服务！2014-11-24 14:35:40 org.apache.catalina.core.StandardContext reload信息: Reloading this Context has startedservlet毁灭！

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