echo "<table border=1><tr><td>欄位</td><td>欄位</td><td>欄位</td></tr>";

while($row=mysqli_fetch_array($result,MYSQLI_ASSOC)){
echo "<tr><td>".$row["欄位"]."</td><td>".$row["欄位"]."</td><td>".$row["欄位"]."</td></tr>";
}

echo "</table>";