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锁链接 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<a href="/WEB06/HeadServlet">神州十二号</a>
</body>
</html>

　　

package com.oracle.demo01;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HeadServlet extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//	获取referer头
//		就是获取链接
		String referer=request.getHeader("Referer");
//		解决乱码
		response.setContentType("text/html;charset=UTF-8");
//	判断是不是本地服务期(是不是这个格式)
		if(referer.startsWith("http://localhost")){
			response.getWriter().write("中国航院七次问天");
		}else{
			response.getWriter().write("你是小偷");
		}
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doGet(request, response);
	}
}

　　

posted on 2021-06-17 21:56  司浩宇  阅读(46)  评论(0)    收藏  举报