项目34:设计简易福彩投注程序
实验截图:
实验代码:
<!-- prj_12_1 -->
<!docttype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>设计简易福彩投注程序</title>
<style type="text/css">
div{margin:0px auto;background:white;width:450px;height:260px;border:2px solid #ff3300;color:black;}
h2{font-size:28px;text-align:center;}
td{font-size:18px;font-weight:bold;}
</style>
<script type="text/javascript">
function $(id){return document.getElementById(id);}
function selectnumber(num){
var number=new Array();
for(i=0;i<=7;i++){
tmp=Math.floor(Math.random()*30+1);
for(var j=0;j<=number.length-1;j++){
if(tmp==number[j]){
tmp=Math.floor(Math.random()*30+1);
j=0;
}
}
number[i]=tmp;
}
$(num).value=number.sort().join(" ");
}
function mover(){
$("clear").style.background="#00FFFF";
$("clear").style.border="1px solid #00CCFF"