身份證字號驗證範例表單

Source

<HTML>
<HEAD>
   <TITLE>身份證字號驗證範例表單</TITLE>
</HEAD>
<BODY TEXT="#000000" BGCOLOR="#D0ECD0" LINK="#0000EE" VLINK="#551A8B" ALINK="#FF0000">
<SCRIPT Language="JavaScript">

function CheckInput() {
   if ( ! checkLength( document.Form1.Name.value, 2 ) ) 
      window.alert( "姓名資料錯誤!" );
   if ( ! checkID( document.Form1.ID.value ) )
      window.alert( "身份證字號錯誤!" );
   if ( ! checkEmail( document.Form1.Email.value ) ) 
      window.alert( "Email 位址資料錯誤!" );
}

function checkLength( dat, len ) {
   return (dat.length >= len);
}

function checkEmail( id ) {
   return ( checkLength(id, 5) && id.indexOf("@") != -1 );
}

function checkID( id ) {
   tab = "ABCDEFGHJKLMNPQRSTUVWXYZIO"
   A1 = new Array (1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3 );
   A2 = new Array (0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5 );
   Mx = new Array (9,8,7,6,5,4,3,2,1,1);

   if ( id.length != 10 ) return false;
   i = tab.indexOf( id.charAt(0) );
   if ( i == -1 ) return false;
   sum = A1[i] + A2[i]*9;

   for ( i=1; i<10; i++ ) {
      v = parseInt( id.charAt(i) );
      if ( isNaN(v) ) return false;
      sum = sum + v * Mx[i];
   }
   if ( sum % 10 != 0 ) return false;
   return true;
}
</SCRIPT>

<H1 ALIGN=CENTER>身份證字號驗證範例表單</H1>

<P>
<HR WIDTH="100%"><FORM Name=Form1></P>

<CENTER><TABLE BORDER=1 WIDTH="60%" >
<TR>
<TD NOWRAP WIDTH="20%">姓名:</TD>

<TD><INPUT Type=Text Name=Name Size=20></TD>
</TR>

<TR>
<TD NOWRAP>身份證字號:</TD>

<TD><INPUT Type=Text Name=ID Size=20></TD>
</TR>

<TR>
<TD NOWRAP>Email 位址:</TD>

<TD><INPUT Type=Text Name=Email Size=50></TD>
</TR>
</TABLE></CENTER>

<P>
<HR WIDTH="100%"></P>

<CENTER><TABLE WIDTH="60%" >
<TR>
<TD><INPUT Type=Button Value="送出" OnClick="CheckInput();"></TD>

<TD WIDTH="50%"><INPUT Type=Reset Value="清掉重寫"></TD>
</TR>
</TABLE></CENTER>

<P></FORM></P>

</BODY>
</HTML>
姓名:
身份證字號:
Email 位址: