'根据身份证获取出生年月日
Function GetBirthday(str)
Dim dt
if len(str) = 15 then
'注意：需要区分2000年出生的、2000年后出生的
dt = DateSerial("19" & Mid(str,7,2),Mid(str,9,2),Mid(str,11,2))
elseif len(str) = 18 then
dt = DateSerial(Mid(str,7,4), Mid(str, 11, 2), Mid(str, 13, 2))
else
dt = CDate("1900-01-01")
end if
GetBirthday = dt
End Function
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<script language="javascript">
function showBirthday(val)
{
var birthdayValue;
if(15==val.length)
{ //15位身份证号码
birthdayValue = val.charAt(6)+val.charAt(7);
if(parseInt(birthdayValue)<10)
{
birthdayValue = '20'+birthdayValue;
}
else
{
birthdayValue = '19'+birthdayValue;
}
birthdayValue=birthdayValue+'-'+val.charAt(8)+val.charAt(9)+'-'+val.charAt(10)+val.charAt(11);
if(parseInt(val.charAt(14)/2)*2!=val.charAt(14))
document.all.sex.value='男';
else
document.all.sex.value='女';
document.all.birthday.value=birthdayValue;
}
if(18==val.length)
{ //18位身份证号码
birthdayValue=val.charAt(6)+val.charAt(7)+val.charAt(8)+val.charAt(9)+'-'+val.charAt(10)+val.charAt(11)
+'-'+val.charAt(12)+val.charAt(13);
if(parseInt(val.charAt(16)/2)*2!=val.charAt(16))
document.all.sex.value='男';
else
document.all.sex.value='女';
if(val.charAt(17)!=IDCard(val))
{
document.all.idCard.style.backgroundColor='#ffc8c8';
}
else
{
document.all.idCard.style.backgroundColor='white';
}
document.all.birthday.value=birthdayValue;
}
}
// 18位身份证号最后一位校验
function IDCard(Num)
{
if (Num.length!=18)
return false;
var x=0;
var y='';
for(i=18;i>=2;i--)
x = x + (square(2,(i-1))%11)*parseInt(Num.charAt(19-i-1));
x%=11;
y=12-x;
if (x==0)
y='1';
if (x==1)
y='0';
if (x==2)
y='X';
return y;
}
// 求得x的y次方
function square(x,y)
{
var i=1;
for (j=1;j<=y;j++)
i*=x;
return i;
}
</script>
</HEAD>
<body >
<form id="Form1" method="post" runat="server">
<table align="center">
<tr>
<td align="center">身份证：<input type="text" name="idCard" id="idCard" onBlur="javascript:showBirthday(document.all.idCard.value);"></td>
</tr>
<tr>
<td align="center">性 别：<input type="text" name="sex" id="sex"></td>
</tr>
<tr>
<td align="center">生 日：<input type="text" name="birthday" id="birthday"></td>
</tr>
</table>
</form>
</body>
</HTML>
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