初学Tomcat7 部署servletde 的简单有关问题-Java教程-爱易网页

初学Tomcat7 部署servletde 的简单有关问题

日期：2014-05-17　浏览次数：20656 次

初学Tomcat7 部署servletde 的简单问题
type Status report

message /ch03/welecome

description The requested resource (/ch03/welecome) is not available.

出现这样的错误！
web.xml 配置

    <servlet>
      <servlet-name>MyWelecomeServlet</servlet-name>
      <servlet-class>WelecomeServlet</servlet-class>
      <init-param>
         <param-name>greeting</param-name>
         <param-value>Welecome you</param-value>
      </init-param>
      <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>MyWelecomeServlet</servlet-name>
        <url-pattern>/welecome</url-pattern>
    </servlet-mapping>

servlet 代码：

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 WelecomeServlet extends HttpServlet
{
   private String greeting;

   public void Init()
   {
      greeting = getInitParameter("greeting");
   }

   public void doGet(HttpServletRequest req, HttpServletResponse resp)
   throws ServletException, IOException
   {
      req.setCharacterEncoding("gb2312");
      String username = req.getParameter("username");
      String welecomeInfo = greeting + ", " + username;

      resp.setContentType("text/html");

      PrintWriter out = resp.getWriter();

      out.println("");
      out.println("");
      out.println(welecomeInfo);
      out.println("");
      out.close();

   }

   public void doPost(HttpServletRequest req, HttpServletResponse resp)
   throws ServletException, IOException
   {
      doGet(req, resp);
   }
}

welecome.html代码
<html>
<title> 我的第一个get方法servlet程

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初学Tomcat7 部署servletde 的简单有关问题

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