复选框,全选或者全不选

 

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script language="javascript" type="text/javascript">
var selectAllFlg = false;


function selectAll() {
var list = document.getElementById("waveDataListTable").getElementsByTagName("input");

for (var i = 0; i < list.length; i++) {
var ctrl = list[i];

if (ctrl.type == "checkbox") {
var s = selectAllFlg ? ctrl.checked = false : ctrl.checked = true;
}

}

selectAllFlg = !selectAllFlg;
}
</script>


  <table id="waveDataListTable" width="800" border="1">
  <tr>
    <td width="42" height="36">No</td>
    <td width="340">名称</td>
    <td width="292">测试号</td>
    <td width="98">选择<br />
      <u>
 <a href="javascript:selectAll();">(全选/取消)</a>
 </u>      </td>
  </tr>
  <tr>
    <td>1</td>
    <td>Vibration_01</td>
    <td>channel_01</td>
    <td>
      <input type="checkbox" name="checkbox[0]" value="checkbox" />    </td>
  </tr>
  <tr>
    <td>2</td>
    <td>Vibration_01</td>
    <td>channel_02</td>
    <td><input type="checkbox" name="checkbox[1]" value="checkbox" /></td>
  </tr>
  <tr>
    <td>3</td>
    <td>Vibration_01</td>
    <td>channel_03</td>
    <td><input type="checkbox" name="checkbox[2]" value="checkbox" /></td>
  </tr>
</table>