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我花了三天的時間討論這個問題。我嘗試了幾個我在這個網站上找到的解決方案,但收效甚微。我想要做的是使用PHP變量在iframe中播放YouTube視頻。我也試圖用相同的輸入運行兩個MySQL查詢。這是我的代碼,因爲它現在。在此刻,當我運行時,我得到了我想要的表格,但我仍然需要格式化它。但iframe甚至沒有出現。我以前的解決方案,將拉起iframe,但內部將是一個錯誤,我基本上是通過sql查詢到iframe。使用PHP變量作爲iframe中的播放YouTube視頻的來源
<?php
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "purpletrainer";
// Create connection
$conn = new mysqli($servername, $username, $password);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
//echo "Connected successfully";
$trainingid = $_POST["trainingid"];
$sql = "SELECT * FROM purpletrainer.trainingcontent WHERE trainingid = '$trainingid';";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
echo "<table><tr><th>Training ID</th><th>Title</th><th>Training URL</th><th>Training Quiz URL</th></tr>";
// output data of each row
while ($row = $result->fetch_assoc()) {
echo "<tr><td>" . $row["trainingid"] . "</td><td>" . $row["trainingtitle"] . "</td><td>" . $row["trainingurl"] . "</td><td>" . $row["trainingquizurl"] . "</td></tr>";
}
echo "</table>";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
?>
<?php
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "purpletrainer";
// Create connection
$conn = new mysqli($servername, $username, $password);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$videosql = "SELECT trainingurl FROM purpletrainer.trainingcontent WHERE trainingid = '$trainingid';";
$videoresult = $conn->query($videosql);
if ($videoresult->num_rows > 0) {
while ($videourl = $videoresult->fetch_assoc()) {
}
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
?>
<div class="col-md-6">
<iframe width="420" height="315" src= '<?php echo htmlspecialchars($videourl); ?>' frameborder="0" allowfullscreen></iframe>
</div>
'$ videourl'變量實際上會保留在循環外部,它在全局範圍內定義,但它將包含在循環的最後一次迭代期間分配給它的值 – andrew
謝謝@andrew,不知道。從來沒有這樣想過。相應地更新我的答案。 – NoobishPro
非常感謝,這更接近我所需要的。該視頻仍然沒有顯示,但iframe是我得到一個錯誤,該服務器上找不到網址 –