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JS简单编号生成器实现方法(附demo源码下载)

2019-11-20 10:17:42
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本文实例讲述了JS简单编号生成器实现方法。分享给大家供大家参考,具体如下:

运行效果截图如下:

具体代码如下:

<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>编号生成器</title></head><body><h1>编号生成器</h1><div>前缀:<input id="txtBegin" type="text" value="" /> 后缀:<input id="txtEnd" type="text" value="" /><br />位数:<input id="numCount" type="number" value="5" /></div><div style="margin:10px 0;"><label><input type="radio" name="a1" onclick="fnNum();" checked /> 连续数字</label><label><input type="radio" name="a1" onclick="fnPwd();" /> 随机字符</label></div><div id="divNum">范围:<input id="numBegin" type="number" value="0" /> ~ <input id="numEnd" type="number" value="100" /><br />过滤字符:<input id="txtLimit" type="text" value="" /> 多个使用,号分割</div><div id="divPwd" style="display:none;"><h3>0123456789 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ</h3>包含字符:<input id="txtChar" type="text" value="ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" style="width:600px;" /><br />随机生成个数:<input id="txtCount" type="number" value="100" /></div><input type="button" value="生成号码" onclick="run();" /> <span id="spanResult"></span><hr /><textarea id="txtContent" style="width:600px; height:500px;"></textarea><script>var boNum = true;function fnNum(){  document.getElementById('divNum').style.display = 'block';  document.getElementById('divPwd').style.display = 'none';  boNum = true;}function fnPwd(){  document.getElementById('divNum').style.display = 'none';  document.getElementById('divPwd').style.display = 'block';  boNum = false;}function run(){  var str = '';  var txtCount = parseInt(document.getElementById('txtCount').value);  var txtBegin = document.getElementById('txtBegin').value;  var txtEnd = document.getElementById('txtEnd').value;  var txtChar = document.getElementById('txtChar').value;  var numCount = parseInt(document.getElementById('numCount').value);  var numBegin = parseInt(document.getElementById('numBegin').value);  var numEnd = parseInt(document.getElementById('numEnd').value);  var txtLimit = document.getElementById('txtLimit').value;  var limit = txtLimit.split(',');  if (txtLimit == '')  {    limit = [];  }  var count = 0;  if (!boNum)  {    var list = [];    for (var i=0; i<txtCount; i++)    {      var s = '';      for (var j=0; j<numCount; j++)      {        s += txtChar.charAt(Math.floor(Math.random() * txtChar.length));      }      var bo = false;      for (var ii=0; ii<list.length; ii++)      {        if (list[ii] == s)        {          bo = true;          alert(s);          break;        }      }      if (bo) continue;      str += txtBegin + s + txtEnd + '/r/n';      list.push(s);      count++;    }  }  else  {    for (var i=numBegin; i<numEnd+1; i++)    {      var s = '' + i;      s = (new Array( numCount - s.length + 1 ).join('0')) + s;      var bo = false;      for (var k=0; k<limit.length; k++)      {        if (s.indexOf(limit[k]) != -1)        {          bo = true;          break;        }      }      if (bo) continue;      str += txtBegin + s + txtEnd + '/r/n';      count++;    }  }  document.getElementById('txtContent').value = str;  document.getElementById('spanResult').innerHTML = '生成了 ' + count + ' 个';}</script></body></html>

完整实例代码点击此处本站下载

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希望本文所述对大家JavaScript程序设计有所帮助。

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