function show_tab_info($tab_name)
{
$sql = "select * from " . $tab_name;
$dbTool = new dbTool();
$result = $dbTool->execute_dql($sql);
//显示字段名
echo "<table><tr>";
for ($i = 0; $i < 4; $i++) {
echo "<th>";
$fName = mysql_field_name($result, $i);
echo $fName;
echo "</th>";
}
echo "</tr>";
//显示信息
while ($res = mysql_fetch_row($result)) {
echo "<tr>";
for ($i = 0; $i < 4; $i++) {
echo "<td>" . $res[$i] . "</td>";
}
echo "</tr>";
}
echo "<table>";
}
