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利用cookie技术让DIV提示框只显示一次的代码 |
来源:源码爱好者 更新时间:2010/10/10 23:18:54 阅读次数: 我要投稿 |
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>cookie,只显示一次的DIV提示框</title> <style> .note{height:100px;width:600px;background:url(/effects/UploadFiles_7074/201010/2010101023255756.jpg) #FEFFCF 40px 0px no-repeat;border:#EDCE7B 1px solid;} .guanbi{float:right;font-size:12px;padding:6px;} </style> <script> function cookiesave(n, v, mins, dn, path) { if(n) { if(!mins) mins = 365 * 24 * 60; if(!path) path = "/"; var date = new Date(); date.setTime(date.getTime() + (mins * 60 * 1000)); var expires = "; expires=" + date.toGMTString(); if(dn) dn = "domain=" + dn + "; "; document.cookie = n + "=" + v + expires + "; " + dn + "path=" + path; } } function cookieget(n) { var name = n + "="; var ca = document.cookie.split(';'); for(var i=0;i<ca.length;i++) { var c = ca[i]; while (c.charAt(0)==' ') c = c.substring(1,c.length); if (c.indexOf(name) == 0) return c.substring(name.length,c.length); } return ""; } function closeclick(){ document.getElementById('note').style.display='none'; cookiesave('closeclick','closeclick','','',''); } function clickclose(){ if(cookieget('closeclick')=='closeclick'){ document.getElementById('note').style.display='none'; }else{ document.getElementById('note').style.display='block'; } } window.onload=clickclose; </script> </head> <body> <div id="note" class="note" style="display:none;"> <div><a href="#" onclick="closeclick()" class="guanbi"><img src="/effects/UploadFiles_7074/201010/2010101023255784.gif" border="0" /></a></div> </div> </body> </html> |
特效说明: |
运用JavaScript的cookie技术,控制网页上的提示DIV只显示一次,也就是当用户是第一次打开网页的时候才显示,第二次自动隐藏起来,很好的提升了用户体验,不会使用户烦感;利用Cookies,我们还可做超多的事情,慢慢体会吧。
用到的图片:
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