Check Digit Algorithm


[ ´ÙÀ½ ±Ûµé ] [ À̾ ±Û¿Ã¸®±â(´äÇϱâ) ] [ ÀÚ¹Ù ¹¯°í ´äÇϱâ ]

±Û¾´ÀÌ :Á¤¿µÈ£ 2000³â 2¿ù 21ÀÏ 14:29:41

In Reply to: Áֹεî·Ï¹øÈ£ È®ÀÎ ½ºÅ©¸³Æ® posted by ÃÊÀÚÀÚ¹Ù¸Ç on 1999³â 12¿ù 06ÀÏ 12:59:14:

Áֹεî·Ï¹øÈ£ Check Digit Algorithm Àº ¾î¶² Language·Îµµ Ç¥Çö°¡´ÉÇÕ´Ï´Ù. Algorithm ÀÌ ´õÁß¿äÇÑ°Í °°±º¿ä.
¸¸Á·ÇÒ ¸¸ÇÑ ´äÀÎÁö´Â ¸ð¸£°Ú½À´Ï´Ù.
Âü°í·Î ±âº»ÀûÀÎ Check Digit Algorithm Àº °¢ÀÚ¸®¼ö¸¦ ÁöÁ¤µÈ Modulus °ªÀ¸·Î °öÇÑ°ÍÀÇ ÀÏÀÇ ÀÚ¸® sum À» °¡Áö°í 󸮸¦ ÇÏÁÒ.
<html>
<head>
<title>Áֹεî·Ï¹øȣüũ½ºÅ©¸³Æ®</title>
<script language='javascript'>
//1.Áֹεî·Ï¹øÈ£(1,2,3,4,5,6,7,8,9,10,11,12)°¢ÀÚ¸®¸¦(2,3,4,5,6,7,8,9,2,3,4,5)·Î °öÇؼ­ sumÇÑ´Ù.
//2.sum ÇÑ°ªÀ» 11·Î ³ª´«³ª¸ÓÁö¸¦
//3.11-³ª¸ÓÁöÀÇ °ªÀÌ Áֹεî·Ï¹øÈ£¸Ç¸¶Áö¸·¼ýÀÚ¿Í µ¿ÀÏÇÑ °æ¿ì ¸Â´Â ¹øÈ£ÀÌ´Ù.


//ºÎ°¡ÀûÀ¸·Î üũÇÒ»çÇ×
/*
¾ÕÀÚ¸® : 6ÀÚ¸®ÀÎÁöüũ + ¼ýÀÚÀÎÁö üũ
µÚÀÚ¸® : 7ÀÚ¸®ÀÎÁöüũ + ¼ýÀÚÀÎÁö üũ
*/
function Check(arg1,arg2)
{
a1 = arg1.substring(0,1);
a2 = arg1.substring(1,2);
a3 = arg1.substring(2,3);
a4 = arg1.substring(3,4);
a5 = arg1.substring(4,5);
a6 = arg1.substring(5,6);


b1 = arg2.substring(0,1);
b2 = arg2.substring(1,2);
b3 = arg2.substring(2,3);
b4 = arg2.substring(3,4);
b5 = arg2.substring(4,5);
b6 = arg2.substring(5,6);
b7 = arg2.substring(6,7);
var sum =
a1*2 + a2*3 + a3*4 + a4*5 + a5*6 + a6*7 +
b1*8 + b2*9 + b3*2 + b4*3 + b5*4 + b6*5 ;
var nam = sum % 11;
var CheckValue = 11-nam ;


alert(sum);
alert(nam);
alert(CheckValue);
if(CheckValue != b7)
{
alert('Áֹεî·ÏÀÔ·ÂÀÌ À߸øµÇ¾ú½À´Ï´Ù.');
document.form1.jumin1.value = "";
document.form1.jumin2.value = "";
document.form1.jumin1.focus();
return;
}
}
</script>
</head>


<body bgcolor="#FFFFFF" onLoad=document.form1.jumin1.focus()>
<form name='form1'>
<input type='text' name=jumin1 maxlength=6 onFocus=this.select()>-
<input type='text' name=jumin2 maxlength=7 onFocus=this.select()>
<input type=button value='üũ' onClick=Check(document.form1.jumin1.value,document.form1.jumin2.value)>
</form>
</body>
</html>



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