JavaScript的一个随即例子-Html/Css-WEB前端-六狼论坛-IT论坛-计算机论坛

adminsun 发表于 2013-2-7 15:59:10

JavaScript的一个随即例子

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>36选6</title></head><body><style type="text/css"></style><script type="text/javascript">//定义已选数var u = 0;var array1 = new Array();function show(num){//选号循环显示avar sdNumstr = '3dNum' + num;if(document.getElementById(sdNumstr).className == "qz4"){//将选好的一组号码保存到数组array1 = num;u++;if (u>6){alert('已经选好6个了，请先确认这注后再选号！');u--;return false;}document.getElementById(sdNumstr).className = "qz";}else if(document.getElementById(sdNumstr).className == "qz"){document.getElementById(sdNumstr).className = "qz4";u--;}}function queren() {var optionText = array1 + " [自选]";if (u != 6) {alert("请先选择6个幸运号码！");return false;}//把号的状态改为未选中for (i = 1; i < 36; i++) {document.getElementById("3dNum"+i).className = "qz4";}//更改投注数，提交后加1document.getElementById('tid2').innerHTML = parseInt(document.getElementById('tid2').innerHTML) + parseInt(1);//更新已选数为0u = 0;optionValue = array1;newOption(optionValue,optionText);//alert("选号成功，你可以继续选下一组号投注");}//把选取的号码添加到已选值function newOption(optionValue,optionText){selectedNum = parent.document.getElementById('schemeNum1').options.length-1;selectedNum++;parent.document.getElementById('schemeNum1').options=document.createElement("option");parent.document.getElementById('schemeNum1').options.text= optionText;parent.document.getElementById('schemeNum1').options.value= optionValue;}//自动选取6个不同的随机号码function numbers() { var nummenu = 7; var numbercount = 7*1;var maxnumbers = 36*1; if (numbercount > maxnumbers) { alert("产生数字个数不能大于产生数字范围!"); } else { var ok = 1; r = new Array (numbercount); for (var i = 1; i <= numbercount; i++) { r = Math.round(Math.random() * (maxnumbers-1))+1; } for (var i = numbercount; i >= 1; i--) { for (var j = numbercount; j >= 1; j--) { if ((i != j) && (r == r)) ok = 0; } } if (ok) { var output = "";for (var k = 1; k <= numbercount; k++) { output += r + ","; }newOption(output,output+ " [机选]");document.getElementById('tid2').innerHTML = parseInt(document.getElementById('tid2').innerHTML) + parseInt(1);//alert("选号成功，你可以继续选下一组号投注");} else numbers(); } } function GoCash() {alert (document.form1.ball.value);}</script><table width="50%" border="0" cellspacing="5" cellpadding="0" ><tr><td width="33" align="center"><div class="qz4" id="3dNum1" >1</div></td><td width="33" align="center"><div class="qz4" id="3dNum2" >2</div></td><td width="33" align="center"><div class="qz4" id="3dNum3" >3</div></td><td width="33" align="center"><div class="qz4" id="3dNum4" >4</div></td><td width="33" align="center"><div class="qz4" id="3dNum5" >5</div></td><td width="33" align="center"><div class="qz4" id="3dNum6" >6</div></td><td width="33" align="center"><div class="qz4" id="3dNum7" >7</div></td><td width="33" align="center"><div class="qz4" id="3dNum8" >8</div></td><td width="33" align="center"><div class="qz4" id="3dNum9" >9</div></td><td width="33" align="center"><div class="qz4" id="3dNum10" >10</div></td><td width="33" align="center"><div class="qz4" id="3dNum11" >11</div></td><td width="33" align="center"><div class="qz4" id="3dNum12" >12</div></td></tr><tr><td width="33" align="center"><div class="qz4" id="3dNum13" >13</div></td><td width="33" align="center"><div class="qz4" id="3dNum14" >14</div></td><td width="33" align="center"><div class="qz4" id="3dNum15" >15</div></td><td width="33" align="center"><div class="qz4" id="3dNum16" >16</div></td><td width="33" align="center"><div class="qz4" id="3dNum17" >17</div></td><td width="33" align="center"><div class="qz4" id="3dNum18" >18</div></td><td width="33" align="center"><div class="qz4" id="3dNum19" >19</div></td><td width="33" align="center"><div class="qz4" id="3dNum20" >20</div></td><td width="33" align="center"><div class="qz4" id="3dNum21" >21</div></td><td width="33" align="center"><div class="qz4" id="3dNum22" >22</div></td><td width="33" align="center"><div class="qz4" id="3dNum23" >23</div></td><td width="33" align="center"><div class="qz4" id="3dNum24" >24</div></td></tr><tr><td width="33" align="center"><div class="qz4" id="3dNum25" >25</div></td><td width="33" align="center"><div class="qz4" id="3dNum26" >26</div></td><td width="33" align="center"><div class="qz4" id="3dNum27" >27</div></td><td width="33" align="center"><div class="qz4" id="3dNum28" >28</div></td><td width="33" align="center"><div class="qz4" id="3dNum29" >29</div></td><td width="33" align="center"><div class="qz4" id="3dNum30" >30</div></td><td width="33" align="center"><div class="qz4" id="3dNum31" >31</div></td><td width="33" align="center"><div class="qz4" id="3dNum32" >32</div></td><td width="33" align="center"><div class="qz4" id="3dNum33" >33</div></td><td width="33" align="center"><div class="qz4" id="3dNum34" >34</div></td><td width="33" align="center"><div class="qz4" id="3dNum35" >35</div></td><td width="33" align="center"><div class="qz4" id="3dNum36" >36</div></td></tr></table><buttonclass="confirm">确认选号</button><p>已选注数:<span class="re b" id="tid2">0</span> 注</p><p><form name="form1"><select name="ball" size="10" multiple="multiple" id="schemeNum1" class="buybian" style="width:200px;"> <option value="1">将选定的注提交到这里</option></select><br><input type="button" name="Submit2" value="删除"><input type="button" name="Submit" value="随机选一注" ><input type="button" name="Submit3" value="清空"><input type="button" name="Submit3" value="提交" ></form></p></body></html>

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JavaScript的一个随即例子