java与javascript对cookie操作的工具类

Java对cookie的操作

package cn.utils;

import java.util.HashMap;

import java.util.Map;

import javax.servlet.http.Cookie;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

* 操作cookie的工具类(默认cookie的有效路径为"/")

* @author zwq

* @version 1.0

*/

public class CookieUtil {

/**

* 设置cookie

* @param response @see javax.servlet.http.HttpServletResponse

* @param name cookie名

* @param value cookie值

* @param maxAge cookie的最大活跃时间（单位s）

*/

public static void setCookie(HttpServletResponse response,String name,String value,int maxAge){

Cookie cookie = new Cookie(name,value);

cookie.setPath("/");

if(maxAge>0)  cookie.setMaxAge(maxAge);

response.addCookie(cookie);

}

/**

* 根据cookie名获取cookie

* @param request @see javax.servlet.http.HttpServletRequest

* @param name cookie名

* @return

*/

public static Cookie getCookieByName(HttpServletRequest request,String name){

Map<String,Cookie> cookieMap = getCookieMap(request);

if(cookieMap.containsKey(name)){

Cookie cookie = (Cookie)cookieMap.get(name);

return cookie;

}else{

return null;

}

}

/**

* 获取cookie的map集合（key=cookieName,value=cookie）

* @param request @see javax.servlet.http.HttpServletRequest

* @return

*/

private static Map<String,Cookie> getCookieMap(HttpServletRequest request){

Map<String,Cookie> cookieMap = new HashMap<String,Cookie>();

Cookie[] cookies = request.getCookies();

if(null!=cookies){

for(Cookie cookie : cookies){

cookieMap.put(cookie.getName(), cookie);

}

}

return cookieMap;

}

/**

* 根据指定cookie名检测cookie是否存在

* @param request @see javax.servlet.http.HttpServletRequest

* @param name cookie名

* @return

*/

public static boolean checkCookieByName(HttpServletRequest request,String name) {

if (name != null && name.trim() != "") {

Cookie cookie = getCookieByName(request, name);

if (cookie != null) {

return true;

}

}

return false;

}

/**

* 根据指定cookie名删除cookie

* @param request @see javax.servlet.http.HttpServletRequest

* @param response @see javax.servlet.http.HttpServletResponse

* @param name cookie名

*/

public static boolean removeCookie(HttpServletRequest request ,HttpServletResponse response,String name) {

if (name != null && name.trim() != "") {

Cookie[] cookies = request.getCookies();

if (cookies != null && cookies.length > 0) {

for (Cookie cookie : cookies) {

String cookieName = cookie.getName();

// 找到需要删除的Cookie

if (name.equals(cookieName)) {

// 设置生存期为0

cookie.setMaxAge(0);

// 设回Response中生效

response.addCookie(cookie);

return true;

}

}

}

}

return false;

}

}

Javascript对cookie的操作

/**

* @description 操作cookie的工具类

* @author zwq

* @version 1.0

*/

/**

* @description 设置cookie

* @param {string} cookieName cookie名

* @param {string} cookieValue cookie值

* @param {Date} [cookieExpires] cookie过期时间（可选参数，默认当前会话）

* @param {string} [cookiePath] cookie有效路径(可选参数，默认"/")

*/

function setCookie(cookieName, cookieValue, cookieExpires, cookiePath) {

if (typeof cookieName === "string" && typeof cookieValue == "string" && cookieName.trim() !== "") {

var cookieStr = cookieName + "=" + cookieValue;

if (typeof cookieExpires === "object") {

cookieStr += ";expires=" + cookieExpires.toUTCString();

}

if (typeof cookiePath === "string" && cookiePath.trim() !== "") {

cookieStr += ";path=" + cookiePath;

}

document.cookie = cookieStr;

}

}

/**

* @description 根据cookie名获取cookie值

* @param {string} cookieName cookie名

* @returns {string}

*/

function getCookie(cookieName) {

if (typeof cookieName === "string" && cookieName.trim() !== "") {

if (document.cookie.length > 0) {

var cookieArr = document.cookie.split(";");

for (var i = 0; i < cookieArr.length; i++) {

var cookie = cookieArr[i].trim();

if (cookie.indexOf(cookieName) === 0) {

return cookie.substring(cookieName.length + 1, cookie.length);

}

}

}

}

return "";

}

/**

* @description 根据指定cookie名检测cookie是否存在

* @param {string} cookieName cookie名

* @returns {boolean}

*/

function checkCookie(cookieName) {

if (typeof cookieName === "string" && cookieName.trim() !== ""){

var cookieValue = getCookie(cookieName);

if (cookieValue !== "" && cookieValue !== null && cookieValue !== undefined){

return true;

}

}

return false;

}

/**

* @description 根据指定cookie名删除cookie

* @param {string} cookieName cookie名

* @returns {boolean}

*/

function deleteCookie(cookieName) {

if (typeof cookieName === "string" && cookieName.trim() !== ""){

var cookieValue = getCookie(cookieName);

if (cookieValue !== "" && cookieValue !== null && cookieValue !== undefined){

var date = new Date();

document.cookie = cookieName + "=;expires=" + date.toUTCString();

return true;

}

}

return false;

}