动态着色<td>基于mysql检索的值

Question

I need to generate a simple table with dynamically coloured <td>'s based on mysql retrieved values.

Here is what I need:

$target = 20;
$achieved = 13;
echo "<table border='1'><tr>";
for($i = 0; $i <= $target; $i++){
echo "<td></td>";
}
echo "</tr></table>";

The above code plots a table with no of <td>'s equal to $target. All I need is then to color the background of these <td>'s with the value inside variable $achieved. So in this case I want 13 colored <td>'s.

Answer 1

maybe you can try this, and add a td.coloured on your css

$target = 20;
$achieved = 13;
echo "<table border='1'><tr>";
for($i = 0; $i <= $target; $i++){
    if ($i < $achieved) {
        echo "<td class=\"coloured\"></td>";
    }
    else {
        echo "<td></td>";
    }
}
echo "</tr></table>";