$password1=md5($_POST["password1"]);
$password2=md5($_POST["password2"]);
$nianling=$_POST["nianling"];
if($password1!=$password2)
{
echo "2次密码不一致";
}
else
{
if($nianling>18)
{
echo "年龄大于18";
//年龄大于18,执行sql语句,把接到的东西插到数据库里面
$sql=mysql_query("insert into biaoming(mima,nianling)value('$password1','$nianling')");
echo"注册成功";
}
else
{
echo "年龄小于18";
}
}
望采纳