".$_POST[user_name]." and student_id is ".$_POST[student_id]." .
your ip is ".$userIp."
开始时间 ".$_POST[timestart]." 结束时间 ".$timeend." 用时 ".$m."分".$s."秒
";
//answer_
$qn=50;
$scort=0;
for($i=1;$i<=$qn;$i++){
$a = "answer_".$i;
//$sql = "UPDATE UserAnswer SET $a=$_POST[$a] WHERE Student_ID=$_POST[student_id]";
//if (!mysqli_query($sql,$con))
// {
// $sql2="ALTER TABLE UserAnswer ADD $a INT(11) NOT NULL";
// mysqli_query($sql2,$con);
// mysqli_query($sql,$con);
// }
$b= "question_".$i;
//$sql3 = "UPDATE UserAnswer SET $b=$_POST[$b] WHERE Student_ID=$_POST[student_id]";
//if (!mysqli_query($sql3,$con))
// {
// $sql4="ALTER TABLE UserAnswer ADD $b INT(11) NOT NULL";
// mysqli_query($sql4,$con);
// mysqli_query($sql3,$con);
// }
$c= "aq_".$i;
$d=$_POST[$a]+$_POST[$b]*10;
$sql5 = "UPDATE UserAnswer SET $c=$d WHERE Student_ID=$_POST[student_id]";
$sql7 = "SELECT * FROM Persons WHERE num=$_POST[$b]";
$rowquestion = mysqli_fetch_array(mysqli_query($sql7))['answer'];
if((int)$_POST[$a] - $rowquestion == 0) {
if((int)$_POST[$a] != 0){
$scort++;
}
}
if (!mysqli_query($con,$sql5))
{
$sql6="ALTER TABLE UserAnswer ADD $c INT(11) NOT NULL";
mysqli_query($con,$sql6);
mysqli_query($con,$sql5);
}
};
$sql5 = "UPDATE UserAnswer SET score=$scort WHERE Student_ID=$_POST[student_id]";
mysqli_query($con,$sql5);
echo "提交成功。谢谢参与我们的活动，请继续关注我们公众号bupt_stu的后续推送。现在你可以直接关闭页面了。";
//match & score
//$result = mysqli_query("SELECT * FROM UserAnswer WHERE Student_ID=$_POST[student_id]");
//$row = mysqli_fetch_array($result);
//$g=0;
//for($i=1;$i<=$qn;$i++){
// $b="answer_".$i;
// $c=$row[$b];
// $d=mysqli_query("SELECT answer FROM Persons WHERE num=$i");
// $e=mysqli_fetch_array($d)['answer'];
//$d=$answer_row[$b];
// if($c==$e) $g++;
//echo "No.".$i." your choice is ".$c." answer is ".$e."
";
//};
//echo "每题一分： your score is ".$g."
";
//close linking
mysqli_close($con);
?>