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/**
* @desc 设置Cookie
* @param {String} name
* @param {String} value
* @param {Number} expires
*/
function setCookie(name, value, expires) {
var cookieString = name + "=" + escape(value);
//判斷是否設置過期時間,0代表關閉瀏覽器時失效
if (expires > 0) {
var date = new Date();
date.setTime(date.getTime() + expires * 1000);
cookieString = cookieString + ";expires=" + date.toUTCString();
}
document.cookie=cookieString;
} /**
* @desc 根据name读取cookie
* @param {String} name
* @return {String}
*/
function getCookie(name) {
var arr = document.cookie.replace(/\s/g, "").split(';');
for (var i = 0; i < arr.length; i++) {
var tempArr = arr[i].split('=');
if (tempArr[0] == name) {
return decodeURIComponent(tempArr[1]);
}
}
return '';
} /**
* @desc 根据name修改cookie
* @param {String} name
* @param {String} value
* @param {Number} expires
*/
function editCookie(name, value, expires){
var cookieString = name + "=" + escape(value);
if (expires > 0) {
var date = new Date();
date.setTime(date.getTime() + expires * 1000);
cookieString = cookieString + ";expires=" + date.toGMTString();
}
document.cookie = cookieString;
} /**
* @desc 根据name删除cookie
* @param {String} name
*/
function removeCookie(name) {
// 设置已过期,系统会立刻删除cookie
setCookie(name, '1', -1);
}