thinkphp 프레임워크의 삭제 및 일괄 삭제 분석

<form action="__MODULE__/Admin/User/del" method="get">
       <tr>
        <th width="4%"><input type="checkbox" name="checkbox10" id="checkbox10"></th>
        <th width="13%">用户名</th>
        <th width="10%">真实姓名</th>
        <th width="13%">手机号</th>
        <th width="21%">邮箱</th>
        <th width="11%">注册时间</th>
        <th width="17%">操作</th>
       </tr>
      <volist name = &#39;adminUsers&#39; id = &#39;vo&#39;>
       <tr>
        <td><input type="checkbox" name="id[]" id="checkbox" value="{$vo.id}">
        <td>{$vo.username}</td>
        <td>{$vo.realname}</td>
        <td>{$vo.telphone}</td>
        <td>{$vo.email}</td>
        <td>{$vo.resgistertime}</td>
        <td><a href="__MODULE__/Admin/User/modi/id/{$vo.id}">修改</a><a href="#"></a> <a href="__MODULE__/Admin/User/del/id/{$vo.id}">删除</a></td>
      </tr>
      </volist>
      
      
      </table>
     </p>
     <p class="input-group pull-left form">
        <button type="submit" class="btn btn-danger ">删 除</button>
      </p>
      </form>

public function del(){
  // $name = getActionName();   //作为公共的函数使用时添加
  $adminUsersModel = D("adminUsers"); //获取当期模块的操作对象 
  $id = $_GET['id'];  //判断id是数组还是一个数值 
  if(is_array($id)){   
    $where = 'id in('.implode(',',$id).')';  
  }else{  
   $where = 'id='.$id; 
  }  //dump($where); 
  $list=$adminUsersModel->where($where)->delete();  
  if($list!==false) {
     $this->success("成功删除{$list}条！", U("Admin/User/lists")); 
  }else{   
    $this->error('删除失败！');  
  } 
}