pv.js

数据库系统工程师的考点 难点 很值得一看的有

//write by dafei  
//stat pv detail , 
if(typeof(pvhitimgview)=="undefined"){
	var pvhitimgview=true;
	function pv_d(){
		var now = new Date().getTime();
	  	var datestr=escape(now*1000+Math.round(Math.random()*1000));
	  	var imgsrc='';
		if(top.location==self.location){
			imgsrc='http://219.239.88.50/images/pvhit0001.gif?t='+datestr+'&'+document.referrer;
		}else {
			imgsrc='http://219.239.88.50/images/pvhit0002.gif?t='+datestr+'&'+document.referrer;
		}
		document.write('<div style="width:0px;height:0px"><img border=0 width=1 height=1 src="'+imgsrc+'" style="width:0px;height:0px;margin:0px;padding:0px;clear:none" /></div>');
	}
	pv_d();
}