mysqli 查詢

$mysqli = new mysqli('localhost', 'user', 'pwd', 'dbname');
$query = "select goods_id,goods_name from sw_goods where goods_name=? ";
$stmt = $mysqli->stmt_init(); //不直接用mysqli->query 是爲了使用參數綁定。參數綁定可避免SQL注入
$stmt->prepare($query);
$name = '美圖手機';
$stmt->bind_param('s', $name); //有參數的查詢用綁定，可避免SQL注入
$stmt->execute();

$result = $stmt->get_result(); //mysqli_result(object)
var_dump($result);

var_dump($result->fetch_all());

$result->free(); //釋放結果集所請求的內存。在獲取龐大結果集時頗有用。

$mysqli->close(); //關閉數據庫

結果：