JS获取cookie方法汇总
JS提供了方便的设置cookie的办法,但是不像PHP那般用一个$_COOKIE函数就可以直接获取,JS需要对cookie的键值对进行操作,以下是汇总的四中读取cookie的方法
//方法一
var acookie = document.cookie.split("; ");
function getcookie(sname){
for (var i = 0; i
var arr = acookie[i].split("=");
if (sname == arr[0]) {
if (arr.length > 1)
return unescape(arr[1]);
else
return "";
}
}
return "";
}
//方法二
function getcookie(objname){
var arrstr = document.cookie.split("; ");
for (var i = 0; i
var temp = arrstr[i].split("=");
if (temp[0] == objname) return unescape(temp[1]);
}
}
//方法三
有坑:WMSEMPID=01011540; EMPID=00012152;
cookiename是EMPID取的是第一个cookie。
function getcookie(cookiename){
var cookiestring = document.cookie;
var start = cookiestring.indexof(cookiename + '= ');
if (start == -1)
return null;
start += cookiename.length + 1;
var end = cookiestring.indexof("; ", start);
if (end == -1) return unescape(cookiestring.substring(start));
return unescape(cookiestring.substring(start, end));
}
//方法四
function readcookie(name){
var cookievalue = "";
var search = name + "=";
if (document.cookie.length > 0){
offset = document.cookie.indexof(search);
if (offset != -1){
offset += search.length;
end = document.cookie.indexof(";", offset);
if (end == -1) end = document.cookie.length;
cookievalue = unescape(document.cookie.substring(offset, end))
}
}
return cookievalue;
}