代码如下
<!DOCTYPE HTML>
<html>
<head>
<script type="text/javascript" src="../jquery-1.7.1.min.js"></script>
</head>
<body>
<!-- <div style="200px;height100px;background-color:#ccc;color:red;">¶¹¸¯¸ÉËêµÄ·¨¹úµçÊÓ¸²¸Ç</div>
<script type="text/javascript" src="http://www.yirendai.com/posterpic/126.js"></script> -->
<!-- <select>
<option>测试下拉</option>
<option>测试下拉</option>
<option>测试下拉</option>
</select>
<button>点击</button>
<script>
$(function(){
$('button').click(function(){
$('select').trigger('click');
});
})
$('select').click(function(){
console.log(1);
});
</script> -->
<button id="tourl">产生</button>
<p id="strinfo">
</p>
<script type="text/javascript">
var urlList = [
'http://www.baidu.com',
'http://www.sina.com',
'http://www.163.com',
'http://www.qq.com'
];
var strinfo;
var tourlEle = document.getElementById('tourl');
strinfo = document.getElementById('strinfo');
tourlEle.onclick=function(){
var k = getToUrl(urlList,100000);
}
function getToUrl (urlList, maxNum) {
var resKey = 0;
if (urlList.length <= 0) {
resKey = 0;
}
maxNum = maxNum ? maxNum : 10000;
var keyList = [];
var resKey = 0;
var step = Math.ceil(maxNum/urlList.length);
var key = Math.ceil(Math.random()*maxNum);
for (var i=0; i < urlList.length; i++) {
keyList[i] = step*(i+1);
}
for (var i = 0; i < keyList.length; i++) {
if (key <= keyList[i]) {
resKey = i;
break;
}
}
return resKey;
}
</script>
</body>
</html>