php 如何指定ID并修改里面的数据

<?php                                                  <br />$query = mysql_query("SELECT * FROM  `wdksm` ORDER BY `id` DESC ");<br />$i= 0;<br />while($row = mysql_fetch_assoc($query))<br />{{<br />$id[$i]=$row['id'];   <br />       <br />echo '日期:'.$row["time"].'  ';<br />echo '部门:'.$row["bumen"].'  ';<br />echo '姓名:'.$row["name"].'  ';<br />echo ' 职务:'.$row["zhiwu"].'<br />';<br />echo '未打卡时间:'.$row["wdktime"].'<br />';<br />echo '未打卡原因:'.$row["wdkyy"].'<br />';<br />echo '部门责任人审核:'.$row["bmshtime"].'  ';<br />echo '人事行政部/总经理审批:'.$row["rsshtime"].'<br />';<br />}<br />echo '<form name="bc" method="post" action=""> ';<br />echo '<input id="test" name="test" type="text" value="审核" />';<br />echo '<input type="hidden" name="id" value="'.$id.'">';<br />echo '<input type="submit" value="审核"/>'; <br />echo '</form>';<br />echo '<hr /><br />';<br />$i	= $i + 1;<br />for ($x=0; $x <= $i; $x++)<br />{<br />$sql='UPDATE wdksm SET rsshtime = \'' . $_POST['test']  . '\'WHERE id = \'' .$id[$i] . '\' ';<br />mysql_query($sql);}<br />}<br />?>	

$query = mysql_query("SELECT * FROM  `wdksm` ORDER BY `id` DESC ");<br />while($row = mysql_fetch_assoc($query)) {<br />    $id = $row['id'];   <br />    echo '日期:'.$row["time"].'  ';<br />    echo '部门:'.$row["bumen"].'  ';<br />    echo '姓名:'.$row["name"].'  ';<br />    echo ' 职务:'.$row["zhiwu"].'<br />';<br />    echo '未打卡时间:'.$row["wdktime"].'<br />';<br />    echo '未打卡原因:'.$row["wdkyy"].'<br />';<br />    echo '部门责任人审核:'.$row["bmshtime"].'  ';<br />    echo '人事行政部/总经理审批:'.$row["rsshtime"].'<br />';<br /><br />    echo '<form name="bc" method="post" action=""> ';<br />    echo '<input id="test" name="test" type="text" value="审核" />';<br />    echo '<input type="hidden" name="id" value="'.$id.'">';<br />    echo '<input type="submit" value="审核"/>'; <br />    echo '</form>';<br />    echo '<hr /><br />';<br />}<br /><br />if($_POST) {<br />    $sql = "UPDATE wdksm SET rsshtime = '$_POST[test]' WHERE id = '$_POST[id]'";<br />    mysql_query($sql);}<br />}