我正在使用SQL,HTML和PHP创建一个测验构建器,用户可以根据该问题(A,B,C或D)插入他们的问题和四个答案选项。以相同的形式,他们可以从下拉列表中选择正确答案的选择。然后,应该将该特定答案行的“正确”布尔值分配给数据库中的1。 [我的数据库结构和我的表格应该是什么样的]
<?php
include ("nav.php");
include("connect.php");
$quiz_id = htmlentities($_GET["quizid"]);
$quiz = "SELECT * FROM `q_quiz` WHERE q_quiz.id ='$quiz_id'";
$quizresult= $conn->query($quiz);
if(!$quizresult){
echo $conn->error;
}
?>
<html>
<head>
<title></title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="ui/styles.css">
<!-- UIkit CSS -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.3/css/uikit.min.css" />
<!-- UIkit JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.3/js/uikit.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/uikit/3.0.3/js/uikit-icons.min.js"></script>
</head>
<body>
<div class ='uk-container'>
<?php
if (isset($_POST['submit'])) {
include("connect.php");
$newquest = $conn->real_escape_string($_POST['question']);
$insertquest = "INSERT INTO q_questions(quiz_id, question)
VALUES ('$quiz_id', '$newquest')";
$resultquest = $conn->query($insertquest);
$quest_id = $conn -> insert_id;
if (!$resultquest) {
echo $conn->error;
}
foreach ($_POST['ans'] as $ans) {
$answers = $conn->real_escape_string($ans);
$insertans = "INSERT INTO q_answers (question_id, answer) VALUES ('$quest_id', '$answers')";
$resultans = $conn ->query($insertans);
if (!$resultans) {
echo $conn->error;
} else {
header("Location: managequiz.php?quizid=$quiz_id");
}
} //END OF FOREACH LOOP
}
?>
<?php
while ($row = $quizresult->fetch_assoc()) {
$titledata = $row["title"];
}
?>
<div uk-grid>
<form class="uk-form-horizontal" method='POST' action='#'>
<input type='hidden' name='questionid' value=''>
<fieldset class="uk-fieldset">
<legend class="uk-legend">New question for quiz: <?php echo $titledata?></legend>
<div class="uk-margin">
<label class="uk-form-label">Question</label>
<div class="uk-form-controls">
<textarea class="uk-textarea" rows="5" placeholder="Enter your question here..." name='question' required></textarea>
</div>
</div>
<div class="uk-margin">
<div class="uk-form-label">A</div>
<div class="uk-form-controls uk-form-controls-text">
<input class="uk-input" id="form-horizontal-text" type="text" name='ans[]'>
</div>
<div class="uk-form-label">B</div>
<div class="uk-form-controls uk-form-controls-text">
<input class="uk-input" id="form-horizontal-text" type="text" name='ans[]'>
</div>
<div class="uk-form-label">C</div>
<div class="uk-form-controls uk-form-controls-text">
<input class="uk-input" id="form-horizontal-text" type="text" name='ans[]'>
</div>
<div class="uk-form-label">D</div>
<div class="uk-form-controls uk-form-controls-text">
<input class="uk-input" id="form-horizontal-text" type="text" name='ans[]'>
</div>
<div class="uk-form-label">Correct Answer:</div>
<div class="uk-form-controls">
<select class="uk-select" id="form-stacked-select">
<option value=''>A</option>
<option value=''>B</option>
<option value=''>C</option>
<option value=''>D</option>
</select>
</div>
<div uk-form-custom>
<input class="uk-button uk-button-default" type="submit" name='submit' tabindex="-1" value='Save & Continue'>
</div>
</div>
</fieldset>
</form>
</div>
</body>
</html>
如kiks73所述,您可以为选择选项分配值,并将选定的值作为正确的答案ID发布到您的数据库。
<html>
<select class="uk-select" id="form-stacked-select" name="correctAnswer">
<option value='1'>A</option>
<option value='2'>B</option>
<option value='3'>C</option>
<option value='4'>D</option>
</select>
</html>
如果选择A,则值“1”将作为正确答案发送到您的数据库(只要您更正了php中的SQL部分即可。
编辑:我的问题有点晚了,抱歉。您还需要POST选择以获取有关正确答案的必要信息。你可以尝试这样的事情:
<?php
//just a counter
$i = 1;
//correct boolean 1 or 0
$bool = 0;
if (isset($_POST['submit'])) {
include("connect.php");
$newquest = $conn->real_escape_string($_POST['question']);
$insertquest = "INSERT INTO q_questions(quiz_id, question)
VALUES ('$quiz_id', '$newquest')";
$resultquest = $conn->query($insertquest);
$quest_id = $conn -> insert_id;
if (!$resultquest) {
echo $conn->error;
}
foreach ($_POST['ans'] as $ans) {
//get the value of the selected answer
$correctAnswer = $_POST['correctAnswer'];
//check if the selected one matches with our counter
if($i == $correctAnswer)
{
$bool = 1;
}
else
{
$bool = 0;
}
$answers = $conn->real_escape_string($ans);
$insertans = "INSERT INTO q_answers (question_id, answer, correct) VALUES ('$quest_id', '$answers', $bool)";
$resultans = $conn ->query($insertans);
if (!$resultans) {
echo $conn->error;
} else {
header("Location: managequiz.php?quizid=$quiz_id");
}
$i ++;
} //END OF FOREACH LOOP
}
?>
如果您发布整个表单,则可以使用其中的任何内容。我创建了一个丑陋的循环,每次检查SQL DB的答案时都会检查,如果选择了这个。