Java tutorial
/** * Copyright © 2012-2013 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); */ package com.sniper.springmvc.utils; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.net.URLEncoder; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.lang3.StringUtils; /** * Cookie * * @author ThinkGem * @version 2013-01-15 */ public class CookieUtils { /** * Cookie?1 * * @param name * ?? * @param value * */ public static void setCookie(HttpServletResponse response, String name, String value) { setCookie(response, name, value, 60 * 60 * 24); } /** * Cookie * * @param name * ?? * @param value * * @param maxAge * ?? */ public static void setCookie(HttpServletResponse response, String name, String value, int maxAge) { Cookie cookie = new Cookie(name, null); if (StringUtils.isNotBlank(SpringContextHolder.getApplicationContext().getApplicationName())) { cookie.setPath(SpringContextHolder.getApplicationContext().getApplicationName()); } else { cookie.setPath("/"); } cookie.setMaxAge(maxAge); try { cookie.setValue(URLEncoder.encode(value, "utf-8")); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } response.addCookie(cookie); } /** * Cookie * * @param name * ?? * @return */ public static String getCookie(HttpServletRequest request, String name) { return getCookie(request, null, name, false); } /** * Cookie * * @param name * ?? * @return */ public static String getCookie(HttpServletRequest request, HttpServletResponse response, String name) { return getCookie(request, response, name, true); } /** * Cookie * * @param request * * @param response * ? * @param name * ?? * @param isRemove * ? * @return */ public static String getCookie(HttpServletRequest request, HttpServletResponse response, String name, boolean isRemove) { String value = null; Cookie[] cookies = request.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if (cookie.getName().equals(name)) { try { value = URLDecoder.decode(cookie.getValue(), "utf-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } if (isRemove) { cookie.setMaxAge(0); response.addCookie(cookie); } } } } return value; } }