$sql= "SELECT 姓名,職稱,出生日期,地址,電話號碼 FROM 資料表";
$result=$conn->query($sql);

//給定$rowpage[][]二維陣列////////////////////////////
$mydata =$result->fetchAll(PDO::FETCH_ASSOC); 

echo "<table class='table table-striped table-bordered table-hover table-condensed'><thead class='thead-light'><th>姓名</th><th>職稱</th><th>出生日期</th><th>地址</th><th>電話號碼</th></tr></thead><tbody>";

foreach($mydata as $i=>$v){
echo "<tr><td>".$v['姓名']."</td><td>".$v['職稱']."</td><td>".$v['出生日期']."</td><td>".$v['地址']."</td><td>".$v['電話號碼']."</td></tr>";
}
echo "</table>";