根据IP不同每天只弹出一次窗口

2024-09-05 12:17:39

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这个代码很有趣，也很实用的功能，它利用JS判断客户端的IP地址，同一IP地址每天只弹出一次窗口，这样会避免你的网站让人讨厌，也不妨碍你流量计费，一举二得；另外它还利用JS操作Cookies，这个关键点也可以为您作编程参考。

<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>根据IP不同每天只弹出一次窗口</title></head><body><Script>function setCookie(name, value, expire) {    window.document.cookie = name + "=" + escape(value) + ((expire == null) ? "" : ("; expires=" + expire.toGMTString())); } function getCookie(Name) {var search = Name + "="; if (window.document.cookie.length > 0) {offset = window.document.cookie.indexOf(search); if (offset != -1) { offset += search.length;end = window.document.cookie.indexOf(";", offset)     if (end == -1)      end = window.document.cookie.length;    return unescape(window.document.cookie.substring(offset, end));     }   }   return null;}function register(name) {  var today = new Date();  var expires = new Date();  expires.setTime(today.getTime() + 1000*60*60*24);  setCookie("ItDoor", name, expires);}var exitURL="/";function openWin() {var c = getCookie("ItDoor");  if (c != null) {    return;  }register("xiaolin");var featureStr="''";featureStr="'top=0,left=0,width=900,height=610,toolbar=yes, menubar=no, scrollbars=no, resizable=no, location=no, status=no,center:no'";  self.focus(); var ExitWindow = window.open(exitURL,'', featureStr);ExitWindow.focus();}openWin();window.focus()</Script>再怎么刷新，他都只弹一次！</body></html>

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