读取Cookie
-
- package com.tsinghua;
-
- import javax.servlet.http.*;
- import java.io.*;
-
- public class CookieTest2 extends HttpServlet{
-
-
- public void doGet(HttpServletRequest req,HttpServletResponse res){
- try{
- res.setContentType("text/html;charset=gbk");
- PrintWriter pw=res.getWriter();
-
-
- Cookie []allCookies=req.getCookies();
-
- int i=0;
- if(allCookies!=null){
-
- for(i=0;i<allCookies.length;i++){
-
- Cookie temp=allCookies[i];
- if(temp.getName().equals("color1")){
-
- String val=temp.getValue();
-
- pw.println("color1="+val);
- break;
- }
- }
- if(allCookies.length==i){
- pw.println("Cookie过期!");
- }
-
- }else{
- pw.println("不存在color1这个Cookie或是过期!");
- }
- }catch(Exception e){
- e.printStackTrace();
- }
- }
- }
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