js基于cookie记录来宾姓名的方法
本文实例讲述了js基于cookie记录来宾姓名的方法。分享给大家供大家参考，具体如下：
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<metahttp-equiv="Content-Type"content="text/html;charset=utf-8"/>
<title>无标题文档</title>
<scriptlanguage="JavaScript">
<!--Begin
varexpDays=30;
varexp=newDate();
exp.setTime(exp.getTime()+(expDays*24*60*60*1000));
functionWho(info){
varVisitorName=GetCookie('VisitorName')
if(VisitorName==null){
VisitorName=prompt("您的尊姓大名：");
SetCookie('VisitorName',VisitorName,exp);
}
returnVisitorName;
}
functionWhen(info){
varrightNow=newDate()
varWWHTime=0;
WWHTime=GetCookie('WWhenH')
WWHTime=WWHTime*1
varlastHereFormatting=newDate(WWHTime);
varintLastVisit=(lastHereFormatting.getYear()*10000)+(lastHereFormatting.getMonth()*100)+lastHereFormatting.getDate()
varlastHereInDateFormat=""+lastHereFormatting;
vardayOfWeek=lastHereInDateFormat.substring(0,3)
vardateMonth=lastHereInDateFormat.substring(4,11)
vartimeOfDay=lastHereInDateFormat.substring(11,16)
varyear=lastHereInDateFormat.substring(23,25)
varWWHText=dayOfWeek+","+dateMonth+"at"+timeOfDay
SetCookie("WWhenH",rightNow.getTime(),exp)
returnWWHText
}
functionCount(info){
varWWHCount=GetCookie('WWHCount')
if(WWHCount==null){
WWHCount=0;
}
else{
WWHCount++;
}
SetCookie('WWHCount',WWHCount,exp);
returnWWHCount;
}
functionset(){
VisitorName=prompt("Whoareyou?");
SetCookie('VisitorName',VisitorName,exp);
SetCookie('WWHCount',0,exp);
SetCookie('WWhenH',0,exp);
}
functiongetCookieVal(offset){
varendstr=document.cookie.indexOf(";",offset);
if(endstr==-1)
endstr=document.cookie.length;
returnunescape(document.cookie.substring(offset,endstr));
}
functionGetCookie(name){
vararg=name+"=";
varalen=arg.length;
varclen=document.cookie.length;
vari=0;
while(i<clen){
varj=i+alen;
if(document.cookie.substring(i,j)==arg)
returngetCookieVal(j);
i=document.cookie.indexOf("",i)+1;
if(i==0)break;
}
returnnull;
}
functionSetCookie(name,value){
varargv=SetCookie.arguments;
varargc=SetCookie.arguments.length;
varexpires=(argc>2)?argv[2]:null;
varpath=(argc>3)?argv[3]:null;
vardomain=(argc>4)?argv[4]:null;
varsecure=(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":"");
}
functionDeleteCookie(name){
varexp=newDate();
exp.setTime(exp.getTime()-1);
varcval=GetCookie(name);
document.cookie=name+"="+cval+";expires="+exp.toGMTString();
}
//End-->
</script>
</head>
<body>
提示：在第一次来到本页时提醒你输入你的姓名，以后就不用了，它会每次在你来时告诉你是第多少次来，并且注明上次来本页的时间<br/>
<scriptlanguage="JavaScript">
if(Count()==0)
{
document.write("您好!"+Who()+".您首次来这儿,请多提宝贵意见.");
}
else
{
document.write("您好!"+Who()+".您已来这儿"+Count()+"次了，最后一次在"+When()+".");
}
</script>
</body>
</html>
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希望本文所述对大家JavaScript程序设计有所帮助。