package com.xalo.cookie;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/getcookie")
public class GetCookieServlet extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
req.setCharacterEncoding("utf-8");
resp.setContentType("text/html;charset=utf-8");
//获取cookie
Cookie cookies[] = req.getCookies();
PrintWriter out = resp.getWriter();
if(cookies==null || cookies.length == 0){
System.out.println("没有cookie");
}else{
for (Cookie cookie : cookies) {
out.write("----------------------------------------"+"<br>");
//获取cookie的解释内容
String comment = cookie.getComment();
out.write("comment:"+comment+"<br>");
//获取cookie的键
String key = cookie.getName();
out.write("key:"+key+"<br>");
//获取cookie的值
String value = cookie.getValue();
out.write("value:"+value+"<br>");
//获取cookie的有效时间。
int time = cookie.getMaxAge();
out.write("time:"+time+"<br>");
//获取服务器的IP对应的域名
String domain = cookie.getDomain();
out.write("domain:"+ domain+"<br>");
//获取有效路径
String path = cookie.getPath();
out.write("path:"+ path+"<br>");
//设置cookie是否加密,和https有关
// cookie.setSecure(true);//默认为fale
// cookie.getSecure();
}
}
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
doGet(req, resp);
}
}
java获取前端页面发送的cookie中的信息
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转载自blog.csdn.net/qq_42401622/article/details/80685020
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