<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title> 抽取名单 </title> </head> <body> <html> <head> <title>抽取名单</title> <style type="text/css"> body {padding-top:100px;font:12px "5B8B4F53",sans-serif;text-align:center;} .result_box {margin:0 auto;width:700px;padding:100px 0;text-align:center;border:3px solid #40AA53;background:#efe;} .result_box #oknum {width:700px;color:#cc0000;font-size:50pt;font-family:Verdana;text-align:center;border:none;background:#efe;} .button_box {margin:50px 0 0 0;} .button_box .btn {cursor:pointer;padding:0 30px;margin:0 10px;color:#555;font-family:"5B8B4F53",sans-serif;font-size:40px;} </style> </head> <body> <script type="text/javascript"> //抽奖数据，以英文逗号分隔 var alldata = "李大,二,邓三,罗四,欧五,周六,陈七,潘八,张九,林十,朱十一,赵十二,陈十三,王十四"; var alldataarr = alldata.split(","); var num = alldataarr.length-1; var timer; function change(){ document.getElementById("oknum").value = alldataarr[GetRnd(0,num)]; } function start(){ clearInterval(timer); timer = setInterval('change()',-400); //随机数据变换速度，越小变换的越快 } function ok(){ clearInterval(timer); //以下代码表示已抽的不会再抽到 alldata = alldata.replace(document.getElementById("oknum").value,"").replace(",,",","); // 去掉前置，最末尾的, if (alldata.substr(0,1)==",") { alldata = alldata.substr(1,alldata.length); } if (alldata.substr(alldata.length-1,1)==",") { alldata = alldata.substring(0,alldata.length-1); } alldataarr = alldata.split(","); } function GetRnd(min,max){ return parseInt(Math.random()*(max-min+1)); } </script> <p class="result_box"><input type="text" id="oknum" name="oknum" value="抽取结果" /></p> <p class="button_box"> <button class="btn" onclick="start()" accesskey="s">开始</button> <button class="btn" onclick="ok()" accesskey="o">停止</button></p> </body> </html> </body> </html>