<?php
if($_SERVER['REQUEST_METHOD'] === "POST"){
    foreach($_POST as $chk => $post){
         $pos = strpos($chk,"check");
        if(!$pos === false)
            $ids[] = $post;
    }
    if(count($ids) > 1)
        $id = implode(",",$ids);
    else
        $id = implode($ids);
    $sql = "DELETE FROM [table] WHERE id IN (".$id.")";
    $result = mysql_query($sql,$conn);
    if(!$result)
              die("SQL: {$sql} <br>Error: " . mysql_error() );
    if(mysql_affected_rows() > 0)
        echo "<script>alert('已批量删除');</script>";
    else
        echo "<script>alert('批量删除失败\nError:".mysql_error()."');</script>";
}
?>

<?php foreach($rows as $row){ ?>
<TD><input type="checkbox" name="check[]" value="<?php echo $row['adm_id'] ?>"/></TD>
<?php } ?>