我想实现0-6位数字抽奖,取随机数。请帮忙
下面这个是在网上找的,
这个只能先定义好抽奖数据, var alldata = "ASP,PHP,AJAX,ASP.NET,CSHARP,VB.NET,DELPHI,VB,VC,JS" //抽奖数据,以逗号分隔 我想实现它随机取0-6位数字,请问该怎么修改,请高手帮忙<html>
<title>随机抽奖程序</title>
<head>
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
</head>
<body>
<SCRIPT LANGUAGE="JavaScript">
var alldata = "ASP,PHP,AJAX,ASP.NET,CSHARP,VB.NET,DELPHI,VB,VC,JS" //抽奖数据,以逗号分隔
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()',46); //随机数据变换速度,越小变换的越快
}
function ok(){
clearInterval(timer);
}
function GetRnd(min,max){
return parseInt(Math.random()*(max-min+1));
}
</SCRIPT>
<input type="text" id="oknum" name="oknum" value="">
<button onclick="start()" accesskey="s">开始抽奖(<U>S</U>)</button>
<button onclick="ok()" accesskey="o">停止(<U>O</U>)</button>
</body>
</html>
下面这个是在网上找的,
这个只能先定义好抽奖数据, var alldata = "ASP,PHP,AJAX,ASP.NET,CSHARP,VB.NET,DELPHI,VB,VC,JS" //抽奖数据,以逗号分隔 我想实现它随机取0-6位数字,请问该怎么修改,请高手帮忙<html>
<title>随机抽奖程序</title>
<head>
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
</head>
<body>
<SCRIPT LANGUAGE="JavaScript">
var alldata = "ASP,PHP,AJAX,ASP.NET,CSHARP,VB.NET,DELPHI,VB,VC,JS" //抽奖数据,以逗号分隔
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()',46); //随机数据变换速度,越小变换的越快
}
function ok(){
clearInterval(timer);
}
function GetRnd(min,max){
return parseInt(Math.random()*(max-min+1));
}
</SCRIPT>
<input type="text" id="oknum" name="oknum" value="">
<button onclick="start()" accesskey="s">开始抽奖(<U>S</U>)</button>
<button onclick="ok()" accesskey="o">停止(<U>O</U>)</button>
</body>
</html>
<title>随机抽奖程序</title>
<head>
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
</head>
<body>
<SCRIPT LANGUAGE="JavaScript">
var alldata = "1,2,3,4,5,6" //抽奖数据,以逗号分隔
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()',46); //随机数据变换速度,越小变换的越快
}
function ok(){
clearInterval(timer);
}
function GetRnd(min,max){
return parseInt(Math.random()*(max-min+1));
}
</SCRIPT>
<input type="text" id="oknum" name="oknum" value="">
<button onclick="start()" accesskey="s">开始抽奖(<U>S</U>)</button>
<button onclick="ok()" accesskey="o">停止(<U>O</U>)</button>
</body>
</html>
<title>随机抽奖程序</title>
<head>
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
</head>
<body>
<SCRIPT LANGUAGE="JavaScript"> var timer
function change(){
document.getElementById("oknum").value = Math.floor(Math.random()*1000000);
}
function start(){
clearInterval(timer);
timer = setInterval('change()',46); //随机数据变换速度,越小变换的越快
}
function ok(){
clearInterval(timer);
} </SCRIPT>
<input type="text" id="oknum" name="oknum" value="">
<button onclick="start()" accesskey="s">开始抽奖(<U>S</U>)</button>
<button onclick="ok()" accesskey="o">停止(<U>O</U>)</button>
</body>
</html>
这句1000000
document.getElementById("oknum").value = Math.floor(Math.random()*(X-Y)) + Y;这里的X是大数,Y是小数