Java如何设置Cookie的最长期限？
package org.nhooo.example.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class CookieExpirationExample extends HttpServlet {
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String username = request.getParameter("username");
if (username != null) {
Cookie cookie = new Cookie("username", username);
//
//将Cookie寿命设置为600秒（10分钟）。设定年龄
//设为0会删除Cookie，而给它一个负值则会
//不存储cookie，当浏览器处于
//关闭。
//
cookie.setMaxAge(600);
response.addCookie(cookie);
}
}
}
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