d4mall/application/admin/controller/car/Info.php

<?php

namespace app\admin\controller\car;

use app\admin\model\User;
use app\common\controller\Backend;
use app\common\model\Category;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;

/**
 * 车型信息
 *
 * @icon fa fa-circle-o
 */
class Info extends Backend
{

    /**
     * Info模型对象
     * @var \app\admin\model\car\Info
     */
    protected $model = null;
    protected $searchFields = ['code','name','user.nickname'];

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\car\Info;

    }

    /**
     * 查看
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

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

            foreach ($list as $row) {
//                $row->user_id = User::where(['id' => $row->user_id])->value('nickname') ?? '-';
                $row->p_category_id = Category::where(['id' => $row['p_category_id']])->value('name') ?? '-';
                $row->category_id = Category::where(['id' => $row['category_id']])->value('name') ?? '-';
                $row->e_category_id = Category::where(['id' => $row['e_category_id']])->value('name') ?? '-';
            }

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

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

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                $name = '';
                // 拼接名称
                $p_category = Category::where(['id' => $params['p_category_id']])->find();
                if ($p_category) {
                    $name = $p_category['name'];
                }
                $category = Category::where(['id' => $params['category_id']])->find();
                if ($category) {
                    $name = $name . $category['name'];
                }
                $e_category = Category::where(['id' => $params['e_category_id']])->find();
                if ($e_category) {
                    $name = $name. $e_category['name'];
                }
                $params['name'] = $name;

                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($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();
                } 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");

            $name = '';
            // 拼接名称
            $p_category = Category::where(['id' => $params['p_category_id']])->find();
            if ($p_category) {
                $name = $p_category['name'];
            }
            $category = Category::where(['id' => $params['category_id']])->find();
            if ($category) {
                $name = $name . $category['name'];
            }
            $e_category = Category::where(['id' => $params['e_category_id']])->find();
            if ($e_category) {
                $name = $name. $e_category['name'];
            }
            $params['name'] = $name;

            if ($params) {
                $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();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }

    /**
     * 获取分类
     *
     * @return void
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public function category()
    {
        $pid = $this->request->get('pid', '');
        $pid = intval($pid);
        $type = $this->request->get('p', '');
        if ($type > 1 && $pid == 0) {
            $this->success('', '', []);
            return ;
        }
        $where = ['pid' => $pid];
        $list = Db::name('category')
            ->field('id as value,name')
            ->where($where)
            ->select();
        $this->success('', '', $list);
    }
}