fastadmin_tailored/application/admin/controller/shop/GoodsLabel.php

<?php

namespace app\admin\controller\shop;

use app\common\controller\Backend;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use think\Exception;
class GoodsLabel extends Backend
{
    protected $model = null;
    protected $relationSearch = true;
    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\shop\GoodsLabel;
        $this->view->assign("statusList", $this->model->getStatusList());
        $this->assignconfig("statusList", json_encode($this->model->getStatusList()));
        $this->view->assign("styleTypeList", $this->model->getStyleTypeList());
        $this->assignconfig("styleTypeList", json_encode($this->model->getStyleTypeList()));
    }

    public function getList()
    {
        $list = $this->model->field('id,name')->select();
        return json($list);
    }

    public function index()
    {
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                ->with(['group'])
                ->where($where)
                ->order($sort, $order)
                ->paginate($limit);

            foreach ($list as $row) {
                $row->visible(['id', 'name', 'group_id', 'style_type', 'color_json', 'icon', 'memo', 'weigh', 'status', 'createtime', 'updatetime']);
                $row->visible(['status_text', 'style_type_text','group.name']);
                $row->hidden(['deletetime']);
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }

      /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post('row/a');
            if ($params) {
                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                // 检查标签名称是否唯一
                $label = $this->model->where('name', $params['name'])->find();
                if ($label) {
                    $this->error('标签名称已存在');
                }
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                        $this->model->validateFailException(true)->validate($validate);
                    }
                    $result = $this->model->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success('添加成功');
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }


    /**
     * 编辑
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post('row/a');
            if ($params) {
                // 检查标签名称是否唯一
                $label = $this->model->where('name', $params['name'])->where('id', 'neq', $row->id)->find();
                if ($label) {
                    $this->error('标签名称已存在');
                }
                $params = $this->preExcludeFields($params);
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                        $row->validateFailException(true)->validate($validate);
                    }
                    $result = $row->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success('编辑成功');
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }

    public function checkLabelNameUnique()
    {
        $name = $this->request->post('name');
        $id = $this->request->post('id');
        $count = $this->model->where('name', $name)->where('id', 'neq', $id)->count();
        return $count > 0 ? '标签名称已存在' : '标签名称可用';
    }

}