請檢查此代碼,並讓我知道它是否有任何錯誤。SQL查詢有些問題
// Create connection
$conn = mysqli_connect($servername, $username, $password, $shop_item);
// Check connection
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
$item_sql = "SELECT * FROM shop-items";
mysqli_query($conn, 'SET CHARACTER SET utf8;');
$result_item = mysqli_query($conn, $item_sql);
echo var_dump($result_item); //returns: bool(false)
if (mysqli_num_rows($result_item) > 0) { // doesn't execute. the error is "mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean";
絕對'商店項目'認爲像'商店減項' –
謝謝。我嘗試了「SELECT * FROM'shop-items'的phpmyadmin查詢,並執行了這項工作。 –