contrast_ai/app/controller/admin/files/Category.php

<?php

namespace app\controller\admin\files;

use laytp\controller\Backend;
use laytp\library\Tree;
use think\facade\Config;

/**
 * 附件分类管理
 */
class Category extends Backend
{
    /**
     * files_category模型对象
     * @var \app\model\files\Category
     */
    protected $model;
    public    $hasSoftDel = 1;//是否拥有软删除功能
    public    $orderRule  = ['sort' => 'DESC', 'id' => 'ASC'];

    public function initialize()
    {
        parent::initialize();
        $this->model = new \app\model\files\Category();
    }

    //查看
    public function index()
    {
        global $_W;
        $where      = $this->buildSearchParams();
        $where[] = ['uniacid','=',$_W['uniacid']];
        $order      = $this->buildOrder();
        $sourceData = $this->model->order($order)->where($where);
        $isTree     = $this->request->param('is_tree');
        if ($isTree) {
            $menuTreeObj = Tree::instance();
            $menuTreeObj->init($sourceData->select()->toArray());
            $data = $menuTreeObj->getRootTrees();
        } else {
            $paging = $this->request->param('paging', false);
            if ($paging) {
                $limit        = $this->request->param('limit', Config::get('paginate.limit'));
                $data         = $sourceData->paginate($limit)->toArray();
                $data['data'] = $this->getSelectedData($data['data']);
            } else {
                $data = $sourceData->select()->toArray();
            }
        }
        return $this->success('获取成功', $data);
    }

    //删除
    public function del()
    {
        $ids = $this->request->post('ids');
        if (!$ids) {
            return $this->error('参数ids不能为空');
        }

        $sourceData = $this->model->select()->toArray();
        $treeLib    = Tree::instance();
        $treeLib->init($sourceData);
        $childIds = $treeLib->getChildIds($ids);

        if ($this->model->destroy($childIds)) {
            return $this->success('数据删除成功');
        } else {
            return $this->error('数据删除失败');
        }
    }

    //回收站
    public function recycle()
    {
        global $_W;
        $where = $this->buildSearchParams();
        $where[] = ['uniacid','=',$_W['uniacid']];
        $order = $this->buildOrder();
        $limit = $this->request->param('limit', Config::get('paginate.limit'));
        $data  = $this->model->onlyTrashed()
            ->with(['parent'])
            ->order($order)->where($where)->paginate($limit)->toArray();
        return $this->success('回收站数据获取成功', $data);
    }

    //设置排序
    public function setSort()
    {
        $id             = $this->request->post('id');
        $fieldVal       = $this->request->post('field_val');
        $isRecycle      = $this->request->post('is_recycle');
        $update['sort'] = $fieldVal;
        try {
            if ($isRecycle) {
                $updateRes = $this->model->onlyTrashed()->where('id', '=', $id)->update($update);
            } else {
                $updateRes = $this->model->where('id', '=', $id)->update($update);
            }
            if ($updateRes) {
                return $this->success('操作成功');
            } else if ($updateRes === 0) {
                return $this->success('未作修改');
            } else {
                return $this->error('操作失败');
            }
        } catch (\Exception $e) {
            return $this->error('数据库异常，操作失败');
        }
    }
}