javascript精确统计网站访问量实例代码
网站一般都有访问量统计工具，比较高效实用的工具多种多样，并且非常的精确。实用javascript也可以简单的实现此功能，尽管没有网络上常用的精确，不过的确也实现了一定的功能，下面就是一段代码实例，感兴趣的朋友可以参考一下:
<scripttype="text/javascript">
/**
*vlstat浏览器统计脚本
*/
varstatIdName="vlstatId";
varxmlHttp;
/**
*设置cookieId
*/
functionsetCookie(c_name,value,expiredays){
varexdate=newDate();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+"="+escape(value)+((expiredays==null)?"":";expires="+exdate.toGMTString())+";path=/;domain=cecb2b.com";
}
/**
*获取cookieId
*/
functiongetCookie(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;
}
returnunescape(document.cookie.substring(c_start,c_end));
}
}
return"";
}
/**
*获取当前时间戳
*/
functiongetTimestamp(){
vartimestamp=Date.parse(newDate());
returntimestamp;
}
/**
*生成statId
*/
functiongenStatId(){
varcookieId=getTimestamp();
cookieId="vlstat"+"-"+cookieId+"-"+Math.round(Math.random()*3000000000);
returncookieId;
}
/**
*设置StatId
*/
functionsetStatId(){
varcookieId=genStatId();
setCookie(statIdName,cookieId,365);
}
/**
*获取StatId
*/
functiongetStatId(){
varstatId=getCookie(statIdName);
if(statId!=null&&statId.length>0){
returnstatId;
}else{
setStatId();
returngetStatId();
}
}
/**
*获取UA
*/
functiongetUA(){
varua=navigator.userAgent;
if(ua.length>250){
ua=ua.substring(0,250);
}
returnua;
}
/**
*获取浏览器类型
*/
functiongetBrower(){
varua=getUA();
if(ua.indexOf("Maxthon")!=-1){
return"Maxthon";
}elseif(ua.indexOf("MSIE")!=-1){
return"MSIE";
}elseif(ua.indexOf("Firefox")!=-1){
return"Firefox";
}elseif(ua.indexOf("Chrome")!=-1){
return"Chrome";
}elseif(ua.indexOf("Opera")!=-1){
return"Opera";
}elseif(ua.indexOf("Safari")!=-1){
return"Safari";
}else{
return"ot";
}
}
/**
*获取浏览器语言
*/
functiongetBrowerLanguage(){
varlang=navigator.browserLanguage;
returnlang!=null&&lang.length>0?lang:"";
}
/**
*获取操作系统
*/
functiongetPlatform(){
returnnavigator.platform;
}
/**
*获取页面title
*/
functiongetPageTitle(){
returndocument.title;
}
/**
*创建一个form
*
*@return
*/
functioncreateSubmitForm(){
varfrm=document.createElement("form");
document.body.appendChild(frm);
frm.method="POST";
returnfrm;
}
/**
*为form创建一个元素
*
*@paraminputForm
*@paramelementName
*@paramelementValue
*@return
*/
functioncreateFormElement(frmInput,elementName,elementValue){
varelement=document.createElement("input");
element.setAttribute("id",elementName);
element.setAttribute("name",elementName);
element.setAttribute("type","hidden");
element.setAttribute("value",elementValue);
frmInput.appendChild(element);
returnelement;
}
/**
*构造XMLHttpRequest对象
*
*@return
*/
functioncreateXMLHttpRequest(){
if(window.ActiveXObject){
xmlHttp=newActiveXObject('Microsoft.XMLHTTP');
}elseif(window.XMLHttpRequest){
xmlHttp=newXMLHttpRequest();
}
}
/**
*url指定跳转页,data是要post的数据。func类似于函数指针
*
*@paramurl
*@paramdata
*@paramfunc
*@return
*/
functionAjaxPost(url,data,func){
varhttpRequest=createHttpRequest();
if(httpRequest){
httpRequest.open("POST",url,true);
httpRequest.setRequestHeader("content-length",data.length);
httpRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
httpRequest.send(data);
httpRequest.onreadystatechange=function(){
if(httpRequest.readyState==4){
try{
if(httpRequest.status==200){
if(func){
//这里可以调用想要的函数
func(httpRequest.responseText);
}
}
}catch(e){
alert("ErrorXMLHttpRequest!");
}
}
}
}else{
alert("ErrorinitializingXMLHttpRequest!");
}
}
functionvlstatInitLE(vlch,vlch1,vlch2,vlch3){
varp;
varvlstatCH=vlch!=null&&vlch.length>0?vlch:"";
varvlstatCH1=vlch1!=null&&vlch1.length>0?vlch1:"";
varvlstatCH2=vlch2!=null&&vlch2.length>0?vlch2:"";
varvlstatCH3=vlch3!=null&&vlch3.length>0?vlch3:"";
varvlstatCookieId=getStatId();
varvlstatUA=encodeURIComponent(getUA());
varvlstatIPAddress=document.localName;
varvlstatREFURL=encodeURIComponent(document.referrer);
varvlstatURL=encodeURIComponent(document.URL);
varvlstatScreenX=screen.width;
varvlstatScreenY=screen.height;
varvlstatOS=getPlatform();
varvlstatBrower=getBrower();
varvlstatBrowerLanguage=getBrowerLanguage();
varvlstatPageTitle=encodeURIComponent(getPageTitle());
varvlstatAction="index.php";
p="cookieId="+vlstatCookieId+"&ua="+vlstatUA+"&ip="+vlstatIPAddress+"&refurl="
+vlstatREFURL+"&url="+vlstatURL+"&screenX="+vlstatScreenX+"&screenY="+vlstatScreenY
+"&os="+vlstatOS+"&brower="+vlstatBrower+"&browerLang="+vlstatBrowerLanguage
+"&title="+vlstatPageTitle+"&ch="+vlstatCH+"&ch1="+vlstatCH1+"&ch2="+vlstatCH2
+"&ch3="+vlstatCH3;
varurlGo=vlstatAction+"?"+p;
createXMLHttpRequest();
xmlHttp.open('GET',urlGo);
xmlHttp.send(null);
}
</script>
希望本文所述对大家学习javascript程序设计有所帮助。