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代码部落
----热爱代码的人
JS读写COOKIE的方法!
2007-11-12 08:50
w i n s o n
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var
Cookies
=
{}
;
/**/
/*
*
* 设置Cookies
*/
Cookies.set
=
function
(name, value)
{
var
argv
=
arguments;
var
argc
=
arguments.length;
var
expires
=
(argc
>
2
)
?
argv[
2
] :
null
;
var
path
=
(argc
>
3
)
?
argv[
3
] : '
/
';
var
domain
=
(argc
>
4
)
?
argv[
4
] :
null
;
var
secure
=
(argc
>
5
)
?
argv[
5
] :
false
;
document.cookie
=
name
+
"
=
"
+
escape (value)
+
((expires
==
null
)
?
""
: (
"
; expires=
"
+
expires.toGMTString()))
+
((path
==
null
)
?
""
: (
"
; path=
"
+
path))
+
((domain
==
null
)
?
""
: (
"
; domain=
"
+
domain))
+
((secure
==
true
)
?
"
; secure
"
:
""
);
}
;
/**/
/*
*
* 读取Cookies
*/
Cookies.get
=
function
(name)
{
var
arg
=
name
+
"
=
"
;
var
alen
=
arg.length;
var
clen
=
document.cookie.length;
var
i
=
0
;
var
j
=
0
;
while
(i
<
clen)
{
j
=
i
+
alen;
if
(document.cookie.substring(i, j)
==
arg)
return
Cookies.getCookieVal(j);
i
=
document.cookie.indexOf(
"
"
, i)
+
1
;
if
(i
==
0
)
break
;
}
return
null
;
}
;
/**/
/*
*
* 清除Cookies
*/
Cookies.clear
=
function
(name)
{
if
(Cookies.get(name))
{
var
expdate
=
new
Date();
expdate.setTime(expdate.getTime()
-
(
86400
*
1000
*
1
));
Cookies.set(name,
""
, expdate);
}
}
;
Cookies.getCookieVal
=
function
(offset)
{
var
endstr
=
document.cookie.indexOf(
"
;
"
, offset);
if
(endstr
==
-
1
)
{
endstr
=
document.cookie.length;
}
return
unescape(document.cookie.substring(offset, endstr));
}
;
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