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javascript计数器

2007-10-21 10:19 113 查看
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>

<BODY>
<SCRIPT language="JavaScript">
<!--
function www_helpor_net(offset)
{
var endstr=document.cookie.indexOf(";",offset);if(endstr==-1)

endstr=document.cookie.length;
return unescape(document.cookie.substring(offset,endstr));}
function GetCookie(name)
{
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 www_helpor_net(j);
i=document.cookie.indexOf(" ",i)+1;if(i==0)
break;
}
return null;
}

function SetCookie(name,value)
{
var argv=SetCookie.arguments;
var argc=SetCookie.arguments.length;
var expires=(2<argc)?argv[2]:null;
var path=(3<argc)?argv[3]:null;
var domain=(4<argc)?argv[4]:null;
var secure=(5<argc)?argv[5]:false;
document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");
}

var expdate=new Date();
var visits;

expdate.setTime(expdate.getTime()+(24*60*60*1000*365)); //设置COOKIES时间为1年,自己随便设置该时间

if(!(visits=GetCookie("visits")))
visits=0;visits++;SetCookie("visits",visits,expdate,"/",null,false);
//以下信息显示可以使用标准的HTML语法,自己随便设置
document.write("你已经光临本页"+"<FONT COLOR=red>"+visits+"</FONT>"+"次!");
//-->
</SCRIPT>

</BODY>
</HTML>

原文:http://www.qqread.com/web-standard/c684115022.html
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