73 lines
3.1 KiB
PHP
73 lines
3.1 KiB
PHP
<?php
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session_start();
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header("Content-Type: text/html;charset=utf-8");
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$userIp = $_SERVER["REMOTE_ADDR"];
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$timeend = date("H:i:s");
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//时间差
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$sec = strtotime($timeend)-strtotime($_POST[timestart]);
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$m = floor($sec/60);
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$s = floor($sec%60);
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//link to mysql
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$con=mysqli_connect("localhost","buptStudent","buptStudentlx","buptStudentdb");
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if (!$con){die('Could not connect: '.mysql_error());}
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//mysql_select_db("my_db_test", $con);
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//name & student_id
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$chongfu="SELECT Student_ID FROM UserAnswer WHERE Student_ID=$_POST[student_id]";
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if(mysqli_fetch_array(mysqli_query($con,$chongfu))[0]==$_POST[student_id])
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{
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die('对不起，您已参与过本活动。');
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}
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$_SESSION['Student_ID'] = $_POST[student_id];
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$sql="INSERT INTO UserAnswer (user_name, Student_ID, school, userclass, phone, ip, timeend ,timestart, thetime) VALUES ('$_POST[user_name]','$_POST[student_id]','$_POST[school]','$_POST[userclass]','$_POST[telephone]','$userIp','$timeend','$_POST[timestart]','$sec')";
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if (!mysqli_query($con,$sql))
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{
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die("提交失败，请稍后重试。");
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}
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//echo "your name is <strong>".$_POST[user_name]."</strong> and student_id is <strong>".$_POST[student_id]."</strong> .<br />your ip is ".$userIp."<br />开始时间 ".$_POST[timestart]." 结束时间 ".$timeend." 用时 ".$m."分".$s."秒<br />";
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//answer_
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$qn=50;
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for($i=1;$i<=$qn;$i++){
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$a = "answer_".$i;
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//$sql = "UPDATE UserAnswer SET $a=$_POST[$a] WHERE Student_ID=$_POST[student_id]";
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//if (!mysqli_query($sql,$con))
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// {
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// $sql2="ALTER TABLE UserAnswer ADD $a INT(11) NOT NULL";
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// mysqli_query($sql2,$con);
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// mysqli_query($sql,$con);
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// }
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$b= "question_".$i;
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//$sql3 = "UPDATE UserAnswer SET $b=$_POST[$b] WHERE Student_ID=$_POST[student_id]";
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//if (!mysqli_query($sql3,$con))
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// {
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// $sql4="ALTER TABLE UserAnswer ADD $b INT(11) NOT NULL";
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// mysqli_query($sql4,$con);
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// mysqli_query($sql3,$con);
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// }
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$c= "aq_".$i;
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$d=$_POST[$a]+$_POST[$b]*10;
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$sql5 = "UPDATE UserAnswer SET $c=$d WHERE Student_ID=$_POST[student_id]";
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if (!mysqli_query($con,$sql5))
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{
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$sql6="ALTER TABLE UserAnswer ADD $c INT(11) NOT NULL";
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mysqli_query($con,$sql6);
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mysqli_query($con,$sql5);
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}
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};
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//match & score
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//$result = mysqli_query("SELECT * FROM UserAnswer WHERE Student_ID=$_POST[student_id]");
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//$row = mysqli_fetch_array($result);
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//$g=0;
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//for($i=1;$i<=$qn;$i++){
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// $b="answer_".$i;
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// $c=$row[$b];
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// $d=mysqli_query("SELECT answer FROM Persons WHERE num=$i");
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// $e=mysqli_fetch_array($d)['answer'];
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//$d=$answer_row[$b];
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// if($c==$e) $g++;
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//echo "No.".$i." your choice is ".$c." answer is ".$e."<br />";
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//};
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//echo "每题一分： your score is ".$g."<br />";
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//close linking
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mysql_close($con);
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die("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。");
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?>
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