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我有一個SQL語句應該更新我的數據庫中的記錄。無論執行什麼PHP更新展示的成功消息
該聲明起作用,但會在按鈕被擊中之前顯示成功消息。這意味着總是顯示成功消息。另外,如果您單擊某個記錄進行更新,並且您決定不想更新任何內容,並單擊取消按鈕或在另一個鏈接上關閉該頁面,則會使用空白輸入更新該記錄。
這裏是我的代碼:
try {
$conn = new PDO('mysql:host=' . Config::get('mysql/host') . ';dbname=' . Config::get('mysql/db'), Config::get('mysql/username'), Config::get('mysql/password'));
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$job_id = $_GET['job_id'];
$jobs = DB::getInstance()->query("SELECT * FROM jobs WHERE job_id=$job_id");
$job_title = isset($_POST['job_title']) ? $_POST['job_title'] : '';
$date = isset($_POST['date']) ? $_POST['date'] : '';
$location = isset($_POST['location']) ? $_POST['location'] : '';
$type = isset($_POST['type']) ? $_POST['type'] : '';
$description = isset($_POST['description']) ? $_POST['description'] : '';
$education = isset($_POST['education']) ? $_POST['education'] : '';
$experience = isset($_POST['experience']) ? $_POST['experience'] : '';
$competencies = isset($_POST['competencies']) ? $_POST['competencies'] : '';
$how_apply = isset($_POST['how_apply']) ? $_POST['how_apply'] : '';
$sql = "UPDATE jobs SET job_title='$job_title', date='$date', location='$location', type='$type', description='$description', education='$education', experience='$experience', competencies='$competencies', how_apply='$how_apply' WHERE job_id=$job_id";
$result = $conn->prepare($sql);
$result->execute();
echo $result->rowCount() . ' record updated successfully';
Redirect::to('manage_jobs.php');
} catch (PDOException $e) {
echo $sql . '<br />' . $e->getMessage();
}
此外,如果查詢是所謂成功的,它應該給你重定向回列表中,如果記錄,但是,只要你打開記錄,然後單擊更新鏈接,它重新導向回來,但它用空白值替換當前數據,甚至沒有給我機會更新任何東西。它不打開更新表單。
'Redirect' =='header('Location:')'?? –