<html>
<head>
<title>随机数</title>
<script src="jquery.js"></script>
<script src="random.js"></script>
<link type="text/css" rel="stylesheet" href="number.css">
<style>
#randomNumbers b {
margin-right : 30px;
}
</style>
</head>
<body>
<div class="mathmod_form">
确定产生随机数的数目，最小值和最大值：<br>
数目：<span style="margin-left:14px"></span><input type="text" id="randomCount" value="10"><br> 最小值：<input type="text" id="randomMinimum" value="0"> 最大值：<input type="text" id="randomMaximum" value="100"><br>
选择是否为唯一随机数：<br>
选择：<span style="margin-left:14px"></span><select id="randomType"><option value="unique">唯一</option><option value="open">随便</option></select><br>
点击生成产生随机数：<br>
<center><input type="button" id="randomGenerate" value="生成" class="calc"></center>
得到你想要的随机数！<br>
<div id="randomNumbers" style="color: white;width:100%;line-height:36px;font-size: 28px;text-align: center;background-color: #005295;border-radius:3px; padding:5px;">结果</div>
<script type="text/javascript">
$(document).ready(
function() {
$('#randomGenerate').click(
function () {
var test_1 = /^\d+$/.test($('#randomCount').val());
var test_2 = /^\d+$/.test($('#randomMinimum').val());
var test_3 = /^\d+$/.test($('#randomMaximum').val());
if (
test_1 != true ||
test_2 != true ||
test_3 != true
) {
$('#randomNumbers').html('You missed something, please check the values above...');
} else if (
parseInt($('#randomCount').val()) < 1
) {
$('#randomNumbers').html('The count value have to be at least 1...');
} else if (
parseInt($('#randomMinimum').val()) < 0
) {
$('#randomNumbers').html('The minimum value have to be at least 0...');
} else if (
parseInt($('#randomMaximum').val()) < 1
) {
$('#randomNumbers').html('The maximum value have to be at least 1...');
} else if (
parseInt($('#randomMaximum').val()) <= parseInt($('#randomMinimum').val())
) {
$('#randomNumbers').html('The maximum value have to be greater then the minimum...');
} else if (
$('#randomType').val() == 'unique' &&
parseInt($('#randomCount').val()) > ( parseInt($('#randomMaximum').val()) - parseInt($('#randomMinimum').val()) )
) {
$('#randomNumbers').html('In a unique sequence: count <= ( maximum - minimum )...');
} else {
var mTwister = new MersenneTwister();
var randomNumbers = new Array();
for (
var i = 0;
i < parseInt($('#randomCount').val());
i++
) {
var number = ( Math.round( mTwister.random() * ( parseInt($('#randomMaximum').val()) - parseInt($('#randomMinimum').val()) ) ) + parseInt($('#randomMinimum').val()) );
var found = false;
for (
var j = 0;
j < randomNumbers.length;
j++
) {
if (
randomNumbers[j] == number
) {
found = true;
break;
}
}
if (
found == true &&
$('#randomType').val() == 'unique'
) {
i--;
} else {
randomNumbers[i] = number;
}
}
$('#randomNumbers').html('');
for (
var i = 0;
i < randomNumbers.length;
i++
) {
$('#randomNumbers').html($('#randomNumbers').html() + ( i == 0 ? '' : ' ' ) + '<b>' + randomNumbers[i] + '</b>');
}
}
}
);
}
);
</script>
</div>
</body>
</html>
生成随机数 免费 网页版
需积分: 50 146 浏览量
2017-11-20
15:22:39
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收藏 19KB RAR 举报
随机.rar （4个子文件） 
随机.html 5KB
jquery.js 53KB random.js 2KB number.css 6KB资源评论
yuanhuiwu
- 粉丝: 5
- 资源: 13
