Javascript結合Cookies仿淘寶網最近瀏覽功能

2024-09-05 12:17:51

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Javascript結合Cookies實現網頁智能記憶功能，像淘寶網的“最近瀏覽的商品”的功能，可以記錄下用戶最近瀏覽過的網頁，用此功能你可以改造出一個具有記憶功能的最近瀏覽記錄，而不用ASP/PHP等動態語言的配合。

<html><head><title>Javascript結合Cookies仿淘寶網最近瀏覽功能</title></head><body><script>//cookie相關函數function getCookieVal (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 getCookieVal (j);              i = document.cookie.indexOf(" ", i) + 1;              if (i == 0) break;          } 	     return null;  } function setCookie (name, value) {        var exp = new Date();        exp.setTime (exp.getTime()+3600000000);        document.cookie = name + "=" + value + "; expires=" + exp.toGMTString(); }function glog(evt){	evt=evt?evt:window.event;var srcElem=(evt.target)?evt.target:evt.srcElement;try{while(srcElem.parentNode&&srcElem!=srcElem.parentNode){if(srcElem.tagName&&srcElem.tagName.toUpperCase()=="A"){linkname=srcElem.innerHTML;address=srcElem.href+"_www.achome.cn_";wlink=linkname+"+"+address;	old_info=getCookie("history_info");var insert=true;if(old_info==null)     //判斷cookie是否為空{	insert=true;}else{	var old_link=old_info.split("_www.achome.cn_");for(var j=0;j<=5;j++)  {	if(old_link[j].indexOf(linkname)!=-1)	insert=false;	if(old_link[j]=="null")	break;	}	}/////////////////////////////if(insert)  {wlink+=getCookie("history_info");setCookie("history_info",wlink);history_show().reload();break;}}srcElem = srcElem.parentNode;}}catch(e){}return true;}document.onclick=glog;function history_show(){				var history_info=getCookie("history_info");	var content="";		if(history_info!=null)	{	history_arg=history_info.split("_www.achome.cn_");	var i;	for(i=0;i<=5;i++)	{		if(history_arg[i]!="null")		{		  var wlink=history_arg[i].split("+");			content+=("<font color='#ff000'>↑</font>"+""+wlink[0]+"<br>");			}			document.getElementById("history").innerHTML=content;			}}else	{document.getElementById("history").innerHTML="對不起，您沒有任何瀏覽紀錄";}}// JavaScript Document</script><div>你最近關注的:（只顯示6個最近關注的內容并且不會重復出現）</div><div   class="iwvjtn8m0"   id="history"><script>history_show();</script></div><div><br><br>選擇：ASPPHPASP.NETJSPC#VBVCAJAXDELPHI</div></body></html>

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