tp批量删除

js: 

$("#selall").click(function(){
	if($(this).attr("checked"))
		$(".selall").attr("checked","checked");   // 设置所有的都选中
	else
		$(".selall").removeAttr("checked");       // 设置都不选中
});

html:

<div class="list-div" id="listDiv">
	<table cellpadding="3" cellspacing="1">
		<tbody>
			<tr>
				<th width="40"><input id="selall" type="checkbox"></th>
				<th>id</th>
				<th>用户名</th>
				<th>操作</th>
			</tr>
			<tr>
				<td align="center"></td>
				<td align="center">1</td>
				<td align="center">admin</td>
				<td align="center"><a
					href="/index.php/Admin/Admin/edit/id/1.html" title="编辑">编辑</a></td>
			</tr>
			<tr>
				<td align="center"><input name="delid[]" class="selall"
					type="checkbox" value="2"></td>
				<td align="center">2</td>
				<td align="center">admin888</td>
				<td align="center"><a
					href="/index.php/Admin/Admin/edit/id/2.html" title="编辑">编辑</a> | <a
					onclick="return confirm('确定要删除吗？');"
					href="/index.php/Admin/Admin/delete/id/2.html" title="移除">移除</a></td>
			</tr>
			<tr>
				<td align="center"><input name="delid[]" class="selall"
					type="checkbox" value="4"></td>
				<td align="center">4</td>
				<td align="center">admin999</td>
				<td align="center"><a
					href="/index.php/Admin/Admin/edit/id/4.html" title="编辑">编辑</a> | <a
					onclick="return confirm('确定要删除吗？');"
					href="/index.php/Admin/Admin/delete/id/4.html" title="移除">移除</a></td>
			</tr>
			<tr>
				<td><input type="submit" value="删除所选"></td>
				<td align="right" nowrap="true" colspan="3">
					<div id="turn-page">
						<div></div>
					</div>
				</td>
			</tr>
		</tbody>
	</table>
</div>

thinkphp 控制器代码 

public function deleteAll(){
		$delid=I('post.delid');
		if(!IS_POST){
			$this->error('非法请求');
		}else{
			if($delid){				
				$bool=array_search(1, $delid);
				if($bool!==FALSE){
					unset($delid[$bool]);
				}
				if($delid){
					$delid=implode(',', $delid);
					$model=M('Admin');
					if($model->delete($delid)){
						$this->success('删除成功');
					}else{
						$this->error('删除失败');
					}
				}
			}
		}
	}