ThinkPHP实现图片上传操作的方法详解

if(IS_POST){
    $input=I('post.');
    $ids=implode(',',$input['id']);
    $brand=D('brand');
    $img=$brand->where("brand_id in ($ids)")->getField('thumb',true);
    foreach($img as $v){
      $p = C('UNLINK_PATH').$v;
      unlink($p);
    }
    $res=$brand->where("brand_id in ($ids)")->delete();
    if($res){
      $this->success("删除运营商品牌成功！");
    }else{
      $this->error("删除运营商品牌失败!");
    }
}

<foreach name="list" item="v">
  <tr>
    <td class="center" width="80px">
      <label>
        <input type="checkbox" class="ace" name="id[]" value="{$v.brand_id}"/>
        <span class="lbl"></span>
      </label>
    </td>
    <td>{$v.brand_name}</td>
  </tr>
</foreach>
<tr>
    <td colspan="2">
      <button class="btn btn-xs btn-danger" onclick="return tijiao('del')">
        <i class="icon-trash bigger-110"></i>
        删除
      </button>
     </td>
  </tr>

<script type="text/javascript">
function tijiao(type){
  if(type == 'del'){
    $('#my_form').attr('action',"{:U('Admin/Brand/brand_del')}");
  }else if(type == 'sort'){
    $('#my_form').attr('action',"{:U('Admin/Brand/brand_sort')}");
  }
  return true;
}
</script>

$_FILES['input_name']['size']