以下是index.jsp的内容
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>张旭，servlet练习程序</title>
</head>
<body>
<table width="778" border="0">
<tr>
<td>
<P>请你输入一个年份以查询是否为闰年！</P>
<form method="post">
<input type="text" name="text1">
<input type="submit" value="查询">
</form>
</td>
</tr>
</table>
</body>
</html>
——————————————————————————————————————————————————————
以下是Chuli.java的内容
package com;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
/**
* Servlet implementation class Chuli01
*/
@WebServlet("/Chuli01")
public class Chuli01 extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public Chuli01() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
super.doPost(request, response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
HttpSession session = request.getSession(true);
String number = request.getParameter("text1"); //在文本域中获得数值
int runnian = Integer.parseInt(number); //将树枝变成整数
if(1000<runnian&&runnian<9999){ //判断数值是否在一般范围内
if(runnian/100==0){ //判断该年份是否为世纪年
if(runnian/4==0){
response.sendRedirect("runnian.jsp");
}else{
response.sendRedirect("pingnian.jsp");
}
}else if(runnian/4==0){ //是否为平年
response.sendRedirect("runnian.jsp");
}else{
response.sendRedirect("pingnian.jsp");
}
}else{
response.sendRedirect("error.jsp");
}
}
}
——————————————————————————————————————————————————————
以下是我的web.xml内容
<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software