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我具有低於它文件上載一個mysqli的代碼和數據插入到「圖像」表:如何檢索imageid並將其插入另一個表中? (mysqli的)
<?php
session_start();
$username="xxx";
$password="xxx";
$database="mobile_app";
$mysqli = new mysqli("localhost", $username, $password, $database);
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
die();
}
$result = 0;
move_uploaded_file($_FILES["fileImage"]["tmp_name"],
"ImageFiles/" . $_FILES["fileImage"]["name"]);
$result = 1;
$imagesql = "INSERT INTO Image (ImageFile)
VALUES (?)";
if (!$insert = $mysqli->prepare($imagesql)) {
// Handle errors with prepare operation here
}
//Dont pass data directly to bind_param store it in a variable
$insert->bind_param("s",$img);
//Assign the variable
$img = 'ImageFiles/'.$_FILES['fileImage']['name'];
$insert->execute();
}
}
?>
因此,例如,如果我插入2個圖像「cat.png」和「狗。 PNG」到‘圖片’數據庫中的表,它會插入這樣的:
ImageId ImageFile
220 cat.png
221 dog.png
(圖像標識爲自增列)
反正我的問題是什麼,當一個文件被上傳,不僅是數據插入到上面的表中,但我想也能夠retri前夕已插入以上,並將其放置在Image_Question見下表所以它會是這樣的圖像標識:
ImageId SessionId QuestionId
220 cat.png 1
221 dog.png 4
我的問題是,如何從圖像表中檢索圖像標識,並將其插入到Image_Question表?下面是我的代碼將使用MySQL的數據插入到Image_Question表,只需要能夠從圖像表中檢索圖像標識:
$imagequestionsql = "INSERT INTO Image_Question (ImageId, SessionId, QuestionId)
VALUES (?, ?, ?)";
if (!$insertimagequestion = $mysqli->prepare($imagequestionsql)) {
// Handle errors with prepare operation here
}
$sessid = $_SESSION['id'] . ($_SESSION['initial_count'] > 1 ? $_SESSION['sessionCount'] : '');
$insertimagequestion->bind_param("sss", $sessid, $_POST['numQuestion'][$i]);
$insertimagequestion->execute();
if ($insertimagequestion->errno) {
// Handle query error here
}
$insertimagequestion->close();