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前端[Javascript] getCookie,setCookie方法.
getCookie,setCookie方法.
发表于 2014-09-01 - 浏览：2659 评论：0 收藏 0
function setCookie(name, value, expires, path, domain, secure) {
var exp = new Date(),
expires = arguments[2] || null,
path = arguments[3] || "/",
domain = arguments[4] || null,
secure = arguments[5] || false;
//expires ? exp.setMinutes(exp.getMinutes() + parseInt(expires)) : "";
expires?exp.setTime(exp.getTime()+parseInt(expires)*60*1000):"";
document.cookie = name + '=' + escape(value) + (expires ? ';expires=' + exp.toGMTString() : '') + (path ? ';path=' + path : '') + (domain ? ';domain=' + domain : '') + (secure ? ';secure' : '');
}
function getCookie(name) {
//读取COOKIE
var reg = new RegExp("(^| )" + name + "(?:=([^;]*))?(;|$)"),
val = document.cookie.match(reg);
return val ? (val[2] ? unescape(val[2]) : "") : null;
}
function delCookie(name, path, domain, secure) {
//删除cookie
var value = getCookie(name);
if (value != null) {
var exp = new Date();
exp.setMinutes(exp.getMinutes() - 1000);
path = path || "/";
document.cookie = name + '=;expires=' + exp.toGMTString() + (path ? ';path=' + path : '') + (domain ? ';domain=' + domain : '') + (secure ? ';secure' : '');
}
}
function getQuery(name, url) {
//参数：变量名，url为空则表从当前页面的url中取
var u = arguments[1] || window.location.search,
reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"),
r = u.substr(u.indexOf("\?") + 1).match(reg);
return r != null ? r[2] : "";
}