根据身份证号码导出生日和性别(JavaScript代码)
<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>
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>