set_charset("utf8");
//3.查詢最新的資料表books
$id = 0;
if(isset($_POST['t1']))$id=$_POST['t1'];
$result = $conn->query("select * from books where 書籍編號=".$id);
//4.輸出一筆資料
$row = $result->fetch_array();
//5.輸出全部資料
$result = $conn->query("select * from books");
$all = $result->fetch_all(MYSQLI_BOTH);
?>
Document
close();
?>