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JavaScript ??
??? ???? ???? ? ?????.
<html>
<mate chatset="utf-8">
<head>
<script type="text/javascript">
function getCookie(c_name)
{
if (document.cookie.length>0)
{
c_start=document.cookie.indexOf(c_name + "=")
if (c_start!=-1)
{
c_start=c_start + c_name.length+1
c_end=document.cookie.indexOf(";",c_start)
if (c_end==-1) c_end=document.cookie.length
return unescape(document.cookie.substring(c_start,c_end))
}
}
return ""
}
function setCookie(c_name,value,expiredays)
{
var exdate=new Date()
exdate.setDate(exdate.getDate()+expiredays)
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : "; expires="+exdate.toGMTString())
}
function checkCookie()
{
username=getCookie('username')
if (username!=null && username!="")
{alert('Welcome again '+username+'!')}
else
{
username=prompt('請輸入姓名:',"")
if (username!=null && username!="")
{
setCookie('username',username,365)
}
}
}
</script>
</head>
<body onLoad="checkCookie()">
</body>
</html>??? ??????
??? ???? ???? ???? ?????. ? ??? ??? ???? ????? ?? ???? ??? ??? ?????. JavaScript? ???? ?? ?? ???? ??? ? ????.
??? ?:
?? ?? ???? ???? ???? ??? ? ??? ??? ? ????. ??? ??? ?????. ???? ???? ?? ???? "Welcome John Doe!"? ?? ?? ???? ?? ???. ??? ???? ?????. ???? ?? ???? ???? ???? ??? ? ????? ??? ? ????. ????? ???? ??? ? ????. ?? ???? ?? ???? ???? ????? ?????. ?? ?? ???? ??? ????? ?? ??? ? ?? ??? ??? ??? ? ????. ???? ?? ???? "??? ???? 2005? 8? 11? ??????!"? ??? ???? ?? ???. ??? ????? ?????.
?? ?? ? ??
? ???? ???? ??? ???? ??? ???????. ???? ???? ?? ???? ??? ????? ???? ?????. ??? ??? ?????. ???? ????? ?? ???? ?? ???? ?? ???.
?? ?? ??? ???? ??? ??? ? ?? ??? ????.
function setCookie(c_name,value,expiredays)
{
var exdate=new Date()
exdate.setDate(exdate.getDate()+expiredays)
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}? ??? ????? ??? ??, ?, ?? ??? ?????.
? ????? ?? ??? ??? ??? ??? ?? ?? ??, ? ? ?? ??? document.cookie ??? ?????.
? ?? ??? ?????? ???? ? ?? ??? ???? ???.
function getCookie(c_name)
{
if (document.cookie.length>0)
{
c_start=document.cookie.indexOf(c_name + "=")
if (c_start!=-1)
{
c_start=c_start + c_name.length+1
c_end=document.cookie.indexOf(";",c_start)
if (c_end==-1) c_end=document.cookie.length
return unescape(document.cookie.substring(c_start,c_end))
}
}
return ""
}? ??? ?? document.cookie ??? ??? ??? ?????. document.cookie ??? ?? ??? ???? ??, ??? ??? ??? ?????? ?? ?????. ??? ??? ???? ?? ????, ??? ??? ? ???? ?????.
????? ? ??? ??? ??? ????. ??? ??? ?? ?? ???? ????, ??? ??? ????? ??? ????? ???? ??? ?????.
function checkCookie()
{
username=getCookie('username')
if (username!=null && username!="")
{alert('Welcome again '+username+'!')}
else
{
username=prompt('請輸入姓名:',"")
if (username!=null && username!="")
{
setCookie('username',username,365)
}
}
}?? ??? ??? ????.
<html>
<head>
<script type="text/javascript">
function getCookie(c_name)
{
if (document.cookie.length>0)
{
c_start=document.cookie.indexOf(c_name + "=")
if (c_start!=-1)
{
c_start=c_start + c_name.length+1
c_end=document.cookie.indexOf(";",c_start)
if (c_end==-1) c_end=document.cookie.length
return unescape(document.cookie.substring(c_start,c_end))
}
}
return ""
}
function setCookie(c_name,value,expiredays)
{
var exdate=new Date()
exdate.setDate(exdate.getDate()+expiredays)
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}
function checkCookie()
{
username=getCookie('username')
if (username!=null && username!="")
{alert('Welcome again '+username+'!')}
else
{
username=prompt('請輸入姓名:',"")
if (username!=null && username!="")
{
setCookie('username',username,365)
}
}
}
</script>
</head>
<body onLoad="checkCookie()">
</body>
</html>
