package com.wyf.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.Servlet; import javax.servlet.ServletException; public class FirstServlet extends HttpServlet implements Servlet {
     public FirstServlet() {
     super();     }     @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
     this.log("执行doGet()方法... "); // 调用Servlet自带的日志输出信息到控制台         this.execute(req, resp);     }     @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
     this.log("执行doPost()方法... "); // 调用Servlet自带的日志输出信息到控制台         this.execute(req, resp);     } public void execute(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
             resp.setCharacterEncoding("UTF-8"); // 设置resp的编码格式         req.setCharacterEncoding("UTF-8"); // 设置resp的编码格式         String reqURL = req.getRequestURI();// 设置访问该Servlet的URL         String method = req.getMethod(); // 设置访问Servlet的方法,GET活POST         String param = req.getParameter("param");// 设置客户端提交的参数param的值         resp.setContentType("text/html"); // 设置文档类型为HTML         PrintWriter out = resp.getWriter();         out                 .println("");         out.println("");         out.println("");         out.println("");         out.println("以" + method + "方式访问该页面,取到的param参数为:" + param + "
");         out                 .println("
      
       
       
      
");         out                 .println("
      
       
       
      
"); // 有客户端浏览器读取该文档的更新时间         out                 .println("");         out.println("");         out.println("");         out.flush();         out.close();     } }