PHP+MYSQL分页4获取数据

error_reporting('E_ALL&~E_NOTICE');  
    $page=$_GET['p'];
    $host="localhost";
    $username="root";
    $password="";
    $db="fy";
    $pageSize=10;
    $showPage=5; $conn=mysqli_connect($host,$username,$password);
    if(!$conn){
        echo "数据库连接失败";
        exit;
    }

    mysqli_select_db($conn,$db);
    $sql="SELECT * FROM page order by id ASC LIMIT ".($page-1)*$pageSize .",{$pageSize}";
    

    mysqli_query($conn,"SET NAMES UTF8");
     $result=mysqli_query($conn,$sql);
    echo "<div class='content'>";
    echo "<table border=1 cellspacing=0 width=30% align=center>";
    echo "<tr><td>ID</td><td>NAME</td></tr>";
    echo "</table>";
    echo "</div>";
    mysqli_free_result($result);