我在a.html页面的javascript里设置了cookie,在a.html里用:
SetCookie("test","testvalue")
alert(GetCookei("test")) //这儿他弹出来testvalue可我在b页面的javascript里alert(GetCookei("test")) 弹出的确是null
为什么呢. 调用的函数是网上通用代码如下:
function GetCookieVal(offset)
//获得Cookie解码后的值
{
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function SetCookie(name, value)
//设定Cookie值
{
var expdate = new Date();
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
+((secure == true) ? "; secure" : "");
}
function DelCookie(name)
//删除Cookie
{
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
}
function GetCookie(name)
//获得Cookie的原始值
{
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen)
{
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return GetCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
SetCookie("test","testvalue")
alert(GetCookei("test")) //这儿他弹出来testvalue可我在b页面的javascript里alert(GetCookei("test")) 弹出的确是null
为什么呢. 调用的函数是网上通用代码如下:
function GetCookieVal(offset)
//获得Cookie解码后的值
{
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function SetCookie(name, value)
//设定Cookie值
{
var expdate = new Date();
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
+((secure == true) ? "; secure" : "");
}
function DelCookie(name)
//删除Cookie
{
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
}
function GetCookie(name)
//获得Cookie的原始值
{
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen)
{
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return GetCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
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这句嘛。测试后行就可以了。记得结贴
这是cookie里的值
cart
cart1
localhost/prolist/
1088
3987717248
30005587
4124558608
29999552
*
chanpin
chanpin1
localhost/prolist/
1088
3987717248
30005587
4124558608
29999552
*
可在b.html就是取不到.郁闷
b.html里用的是alert(GetCookie("cart")) 结果还是null
上级目录访问不到啊
如/test/html/a.html 设置了cookie /test/html/b.html或者 /test/html/XX/b.html可以访问撒
但是/test/b.html不可以访问撒if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
这个东西的意思是说多长时间过期撒, 你设置个10 就是10秒过期撒 这中情况可可能出现撒
最好设置长点来测试 如: expdate = 30*24*60*60 (30天过期)
a.html写cookie 路径在根目录下的test文件夹底下
b读取cookie b在根目录下.
这要怎么改呢.
// ***********************
// cookie操作//
// *********************
function addCookie(objName,objValue){//添加cookie
//alert("key:"+objName+" value:"+objValue);
var str = objName + "=" + escape(objValue);
document.cookie = str;
} function delCookie(name){//为了删除指定名称的cookie,可以将其过期时间设定为一个过去的时间
var date = new Date();
date.setTime(date.getTime() - 10000);
document.cookie = name + "=a; expires=" + date.toGMTString();
}
function getCookieByKey(objName){//获取指定名称的cookie的值
var arrStr = document.cookie.split("; ");
for(var i = 0;i < arrStr.length;i ++){
var temp = arrStr[i].split("=");
if(temp[0] == objName) return unescape(temp[1]);
}
}
function exitCookie(){//判断cookie是否有值
var str = document.cookie;
if(str == ""){
return false;
}
return true;
}
function getAllCookies(){//查询cookie中所有
return document.cookie;
}用我这代码试试 我自己用过的 感觉比你那个简单明了哦 呵呵
在下面函数里加一句
var path="/"
function SetCookie(name, value)
//设定Cookie值
{
var expdate = new Date();
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
var path="/"
if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
+((secure == true) ? "; secure" : "");
}