<style type="text/css">
	div {font-weight: bold;text-align: center;}
	.tone{width: 30px;height:30px;border: 2px solid #ff5151;border-radius: 18px;float: left;
	font-size: 14px;color:#000000;color:#ff5959;line-height: 30px;margin-left: 5px;}
	#tone6{border:2px solid #3ea1f4;color: #3ea1f4;}
	#clickme{width: 120px;height: 25px;margin-top: 5px;margin-left: 20px;}
</style>
<div class="center">
	<div id="tone0" class="tone"></div>
	<div id="tone1" class="tone"></div>
	<div id="tone2" class="tone"></div>
	<div id="tone3" class="tone"></div>
	<div id="tone4" class="tone"></div>
	<div id="tone5" class="tone"></div>
	<div id="tone6" class="tone"></div>
</div>
 
 
<button type="button" id="clickme" onclick="run()">点我生成双色球</button>
 
<script type="text/javascript">
	function run(){
		var reds=[parseInt(Math.random()*32+1)];
		var blues=parseInt(Math.random()*15+1);
 
		while(reds.length<6){
			var r=parseInt(Math.random()*32);
			//循环遍历reds数组
			for(var i=0;i<reds.length;i++){ 
				if(reds[i]==r){
					break;
				}else if(i==reds.length-1){
					reds.push(r);
					//console.log(reds);
				}
			}
		}
		for(var j=0;j<reds.length;j++){
			document.getElementById("tone"+j+'').innerHTML=reds[j];
		}
		document.getElementById("tone6").innerHTML=blues;
	}
	run();
</script>