使用Javascript PHP MySQL进行在线考试计时器

时间：2016-05-19 00:59:41

标签： javascript php jquery mysql timer

以下代码适用于在线考试。用户完成并单击“获取结果”按钮后，用户将被重定向到结果页面。现在的问题是它不会发送到结果页面。

此代码正常运行

echo "<div class=\"module form-module\">";
echo "<form name=myfm class=form method=post id=myfm action=quiz.php>";
echo "<table width=100%> <tr> <td width=30>&nbsp;<td> <table border=0>";
$n=$_SESSION[qn]+1;
echo "<tR><td><span class=style2>Question ".  $n .": $row[2]</style><br><br>";
echo "<input type=radio name=ans value=1>&nbsp;$row[3]<br>";
echo "<input type=radio name=ans value=2>&nbsp;$row[4]<br>";
echo "<input type=radio name=ans value=3>&nbsp;$row[5]<br>";
echo "<input type=radio name=ans value=4>&nbsp;$row[6]<br>";
echo "<input type=radio name=ans value=5>&nbsp;$row[7]<br>";
if($_SESSION[qn]<mysql_num_rows($rs)-1)
echo "<tr><td><br><input type=submit class=button id=submit name=submit value='Next Question'></form></div>";
else
echo "<tr><td><input type=submit id=submit class=button name=submit value='Get Result'></form></div>";

当用户完成时，它将进入此过程

if($submit=='Next Question' && isset($ans))
{
        mysql_data_seek($rs,$_SESSION[qn]);
        $row= mysql_fetch_row($rs); 
        mysql_query("insert into mst_useranswer(sess_id, test_id, que_des, ans1,ans2,ans3,ans4,ans5,true_ans,your_ans) values ('".session_id()."', $tid,'$row[2]','$row[3]','$row[4]','$row[5]', '$row[6]','$row[7]','$row[8]','$ans')") or die(mysql_error());
        if($ans==$row[8])
        {
                    $_SESSION[trueans]=$_SESSION[trueans]+1;
        }
        $_SESSION[qn]=$_SESSION[qn]+1;
}
else if($submit=='Get Result' && isset($ans))
{
        mysql_data_seek($rs,$_SESSION[qn]);
        $row= mysql_fetch_row($rs); 
        mysql_query("insert into mst_useranswer(sess_id, test_id, que_des, ans1,ans2,ans3,ans4,ans5,true_ans,your_ans) values ('".session_id()."', $tid,'$row[2]','$row[3]','$row[4]','$row[5]', '$row[6]','$row[7]','$row[8]','$ans')") or die(mysql_error());
        if($ans==$row[8])
        {
                    $_SESSION[trueans]=$_SESSION[trueans]+1;
        }
        echo "<h1 class=head1> Result</h1>";
        $_SESSION[qn]=$_SESSION[qn]+1;
        echo "<Table align=center><tr class=tot><td>Total Question<td> $_SESSION[qn]";
        echo "<tr class=tans><td>True Answer<td>".$_SESSION[trueans];
        $w=$_SESSION[qn]-$_SESSION[trueans];
        echo "<tr class=fans><td>Wrong Answer<td> ". $w;
        echo "</table>";
        mysql_query("insert into mst_result(login,test_id,test_date,score) values('$login',$tid,'".date("d/m/Y")."',$_SESSION[trueans])") or die(mysql_error()); 
        mysql_query("insert into mst_adminresult(login,test_id,score) values('$login',$tid,$_SESSION[trueans])")  or die(mysql_error());
        unset($_SESSION[qn]);
        unset($_SESSION[sid]);
        unset($_SESSION[tid]);
        unset($_SESSION[trueans]);
        exit;

现在我添加了一个计时器

var c=10;
var t;
timedCount();

        function timedCount()
        {

            var hours = parseInt( c / 3600 ) % 24;
            var minutes = parseInt( c / 60 ) % 60;
            var seconds = c % 60;

            var result = (hours < 10 ? "0" + hours : hours) + ":" + (minutes < 10 ? "0" + minutes : minutes) + ":" + (seconds  < 10 ? "0" + seconds : seconds);


            $('#timer').html(result);
            if(c == 0 )
            {
                $('#myfm').submit();
            }
            c = c - 1;
            t = setTimeout(function()
            {
             timedCount()
            },
            1000);
        }

问题是它不会提交。它只是保持在同一页面上。我首先尝试通过创建一个警告框来检查它，它确实有效，确保定时器代码正常工作。那么什么可能是解决方案，以便我可以使用相同的流程向我展示我的结果并将答案发送到我的数据库？

1 个答案:

答案 0 :(得分：0)

echo "<div class=\"module form-module\">";
echo "<form name=myfm class=form method=post id=myfm action=quiz.php>";
echo "<table width=100%> <tr> <td width=30>&nbsp;<td> <table border=0>";
$n=$_SESSION[qn]+1;
echo "<tR><td><span class=style2>Question ".  $n .": $row[2]</style><br><br>";
echo "<input type=radio name=ans value=1>&nbsp;$row[3]<br>";
echo "<input type=radio name=ans value=2>&nbsp;$row[4]<br>";
echo "<input type=radio name=ans value=3>&nbsp;$row[5]<br>";
echo "<input type=radio name=ans value=4>&nbsp;$row[6]<br>";
echo "<input type=radio name=ans value=5>&nbsp;$row[7]<br>";
if($_SESSION[qn]<mysql_num_rows($rs)-1)
echo "<tr><td><br><input type=submit class=button id=submit name=next value='Next Question'></form></div>";
else
echo "<tr><td><input type=submit id=submit class=button name=results value='Get Result'></form></div>";

PHP 

if($_POST['next'] && $_POST['ans'])
{           echo "Yay! You POST-ed!";
        mysql_data_seek($rs,$_SESSION[qn]);
        $row= mysql_fetch_row($rs); 
        mysql_query("insert into mst_useranswer(sess_id, test_id, que_des, ans1,ans2,ans3,ans4,ans5,true_ans,your_ans) values ('".session_id()."', $tid,'$row[2]','$row[3]','$row[4]','$row[5]', '$row[6]','$row[7]','$row[8]','$ans')") or die(mysql_error());
        if($ans==$row[8])
        {
                    $_SESSION[trueans]=$_SESSION[trueans]+1;
        }
        $_SESSION[qn]=$_SESSION[qn]+1;
}
else if($_POST['results'] && $_POST['ans'])
{        echo "Yay! You POST-ed!";
        mysql_data_seek($rs,$_SESSION[qn]);
        $row= mysql_fetch_row($rs); 
        mysql_query("insert into mst_useranswer(sess_id, test_id, que_des, ans1,ans2,ans3,ans4,ans5,true_ans,your_ans) values ('".session_id()."', $tid,'$row[2]','$row[3]','$row[4]','$row[5]', '$row[6]','$row[7]','$row[8]','$ans')") or die(mysql_error());
        if($ans==$row[8])
        {
                    $_SESSION[trueans]=$_SESSION[trueans]+1;
        }
        echo "<h1 class=head1> Result</h1>";
        $_SESSION[qn]=$_SESSION[qn]+1;
        echo "<Table align=center><tr class=tot><td>Total Question<td> $_SESSION[qn]";
        echo "<tr class=tans><td>True Answer<td>".$_SESSION[trueans];
        $w=$_SESSION[qn]-$_SESSION[trueans];
        echo "<tr class=fans><td>Wrong Answer<td> ". $w;
        echo "</table>";
        mysql_query("insert into mst_result(login,test_id,test_date,score) values('$login',$tid,'".date("d/m/Y")."',$_SESSION[trueans])") or die(mysql_error()); 
        mysql_query("insert into mst_adminresult(login,test_id,score) values('$login',$tid,$_SESSION[trueans])")  or die(mysql_error());
        unset($_SESSION[qn]);
        unset($_SESSION[sid]);
        unset($_SESSION[tid]);
        unset($_SESSION[trueans]);
        //you can use session_destory(); 
        exit;
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