<html>
<head>
<title>双色球</title>
<script>
function randomTest(){
var num = Math.random() * 100;
num = Math.floor(num)%33+1;
//alert(num);
document.getElementById("jx1").value=num;
document.getElementById("jx2").value=num;
document.getElementById("jx3").value=num;
document.getElementById("jx4").value=num;
document.getElementById("jx5").value=num;
document.getElementById("jx6").value=num;
}
</script>
</head>
<body>
<input type="text" id="jx1" />
<input type="text" id="jx2"/>
<input type="text" id="jx3"/>
<input type="text" id="jx4"/>
<input type="text" id="jx5"/>
<input type="text" id="jx6"/>
<input type="text" id="jx7"/>
<input type="button"value="机选一注双色球" onclick="randomTest()"/>
</body>
</html>
这个是我写的 不知道加什么 可以让七个文本框同时出来数字 却不重复 求指点 最好是写出来 谢谢了
<!DOCTYPE html>
<html>
<head>
<script>
function randomTest(){
var numList = [];
for(var i=1;i<=33;i++){
numList[i-1] = i;
}
for(var i=1;i<=7;i++){
var num = Math.floor(Math.random() * (numList.length-(i-1)));
document.getElementById('jx'+i).value=numList[num];
numList[num] = numList[numList.length-1-(i-1)];
}
}
</script>
</head>
<body>
<input type="text" id="jx1"/>
<input type="text" id="jx2"/>
<input type="text" id="jx3"/>
<input type="text" id="jx4"/>
<input type="text" id="jx5"/>
<input type="text" id="jx6"/>
<input type="text" id="jx7"/>
<input type="button"value="机选一注双色球" onclick="randomTest()"/>
</body>
</html>
如果有帮助，有时间采纳一下
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@page import="java.lang.Math"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<%
Set set=new HashSet();
for(int i=1;i>0;i++){
double num=Math.random()*100;
int a=(int)num%33+1;
set.add(a);
if(set.size()==7){
break;
}
}
Object arr[]=set.toArray();
System.out.println(arr[0]);
%>
<script type="text/javascript">
function randomTest(){
document.getElementById("jx1").value=<%=arr[0]%>;
document.getElementById("jx2").value=<%=arr[1]%>;
document.getElementById("jx3").value=<%=arr[2]%>;
document.getElementById("jx4").value=<%=arr[3]%>;
document.getElementById("jx5").value=<%=arr[4]%>;
document.getElementById("jx6").value=<%=arr[5]%>;
document.getElementById("jx7").value=<%=arr[6]%>;
}
</script>
<body>
<input type="text" id="jx1"/>
<input type="text" id="jx2"/>
<input type="text" id="jx3"/>
<input type="text" id="jx4"/>
<input type="text" id="jx5"/>
<input type="text" id="jx6"/>
<input type="text" id="jx7"/>
<input type="button" value="机选一注双色球" onclick="randomTest()"/>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<script>
function randomTest(){
var numList = [];
for(var i=1;i<=33;i++){
numList[i-1] = i;
}
for(var i=1;i<=7;i++){
var num = Math.floor(Math.random() * (numList.length-(i-1)));
document.getElementById('jx'+i).value=numList[num];
numList[num] = numList[numList.length-1-(i-1)];
}
}
</script>
</head>
<body>
<input type="text" id="jx1"/>
<input type="text" id="jx2"/>
<input type="text" id="jx3"/>
<input type="text" id="jx4"/>
<input type="text" id="jx5"/>
<input type="text" id="jx6"/>
<input type="text" id="jx7"/>
<input type="button"value="机选一注双色球" onclick="randomTest()"/>
</body>
</html>