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2007-02-26 10:34:58

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Javascript
:
 
<script type="text/javascript
"
>
<!--
// ˵Ã÷£ºJavascript
»ñÈ¡Á´½Ó(url)²ÎÊýµÄ·½·¨
// ÕûÀí£ºhttp://www.CodeBit.cn
 
function
getQueryString(
name
)

{

// Èç¹ûÁ´½ÓûÓвÎÊý£¬»òÕßÁ´½ÓÖв»´æÔÚÎÒÃÇÒª»ñÈ¡µÄ²ÎÊý£¬Ö±½Ó·µ»Ø¿Õ
if
(
location.href
.indexOf
(
"?"
)
==-1
|| location.href
.indexOf
(
name
+'='
)
==-1
)

{

return
''
;
}

 
// »ñÈ¡Á´½ÓÖвÎÊý²¿·Ö
var
queryString = location.href
.substring
(
location.href
.indexOf
(
"?"
)
+1
)
;
 
// ·ÖÀë²ÎÊý¶Ô ?key=value&key2=value2
var
parameter
s = queryString.split
(
"&"
)
;
 
var
pos, paraName, paraValue;
for
(
var
i=0
; i<parameter
s.length
; i++)

{

// »ñÈ¡µÈºÅλÖÃ
pos = parameter
s[
i]
.indexOf
(
'='
)
;
if
(
pos == -1
)
{
continue
; }

 
// »ñÈ¡name ºÍ value
paraName = parameter
s[
i]
.substring
(
0
, pos)
;
paraValue = parameter
s[
i]
.substring
(
pos + 1
)
;
 
// Èç¹û²éѯµÄnameµÈÓÚµ±Ç°name£¬¾Í·µ»Øµ±Ç°Öµ£¬Í¬Ê±£¬½«Á´½ÓÖеÄ+ºÅ»¹Ô­³É¿Õ¸ñ
if
(
paraName == name
)

{

return
unescape(
paraValue.replace
(
/\+/g
, " "
)
)
;
}

}

return
''
;
}
;
 
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