js生成新加坡的NRIC号码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title> new document </title>
  <meta name="generator" content="editplus" />
  <meta name="author" content="" />
  <meta name="keywords" content="" />
  <meta name="description" content="" />
      <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
 </head>

 <body>
  <script type="text/javascript">
  <!--
    function isNRIC() {
    var nricNo = "S"+ RndNum(7);
    var ic = nricNo.toUpperCase();
    var d = ic.split("");
    var checker = "";
    switch (d[0]) {
        case "S":
            checker = "ABCDEFGHIZJ";
            break;
        case "T":
            checker = "HIZJABCDEFG";
            break;
        case "F":
            checker = "KLMNPQRTUWX";
            break;
        case "G":
            checker = "TUWXKLMNPQR";
            break;
        default:
            return false;
    }

    var ChkDigit = checker.split("");
    var sum = 2 * d[1] + 7 * d[2] + 6 * d[3] + 5 * d[4] + 4 * d[5] + 3 * d[6] + 2 * d[7];

    var checksum = 11 - (sum % 11) - 1;
    checksum = checksum == -1 ? 10 : checksum;

    var LastDigit = ChkDigit[checksum];
    $("#nric").val(nricNo + LastDigit);
}

function RndNum(n){
var rnd="";
for(var i=0;i<n;i++)
rnd+=Math.floor(Math.random()*10);
return rnd;
}


  //-->
  </script>
   <input type="text" id="nric" value="" /> <input type="button" value="get nric"  onclick="isNRIC()" />

 </body>
</html>
记录一下
posted on 2012-08-01 16:24 myx 阅读(1798) 评论(0) 编辑收藏举报