fastadmin_tailored/application/admin/controller/marketing/Discount.php

<?php

namespace app\admin\controller\marketing;

use app\common\controller\Backend;
use think\Db;
use Exception;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;
/**
 * 营销活动表（整体活动）
 *
 * @icon fa fa-circle-o
 */
class Discount extends Backend
{

    /**
     * Discount模型对象
     * @var \app\admin\model\marketing\Discount
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\marketing\discount\Discount;

    }

    /**
     * 规格折扣设置
     */
    public function spec_discount()
    {
        $goods_id = $this->request->get('goods_id');
        if (!$goods_id) {
            $this->error('参数错误');
        }
        
        if ($this->request->isAjax()) {
            // 处理提交的数据
            $specs = $this->request->post('specs', []);
            if ($specs) {
                $result = [
                    'goodsId' => $goods_id,
                    'specs' => $specs
                ];
                $this->success('设置成功', null, $result);
            }
            $this->error('提交数据失败');
        }
        
        // 获取商品信息
        $goods = Db::name('shop_goods')->where('id', $goods_id)->find();
        if (!$goods) {
            $this->error('商品不存在');
        }
        
        // 获取规格信息
        $goods_skus = Db::name('shop_goods_sku')
            ->where('goods_id', $goods_id)
            ->select();
            
        // 获取规格属性名称和值
        $sku_specs = [];
        foreach ($goods_skus as &$sku) {
            $sku_id_arr = explode(',', $sku['sku_id']);
            
            // 查询规格名称和值
            $spec_values = Db::name('shop_goods_sku_spec')
                ->alias('p')
                ->field('p.*, sp.name as spec_name, sv.value as spec_value')
                ->join('shop_spec sp', 'sp.id=p.spec_id', 'LEFT')
                ->join('shop_spec_value sv', 'sv.id=p.spec_value_id', 'LEFT')
                ->where('p.id', 'in', $sku_id_arr)
                ->select();
                
            $specs_text = [];
            foreach ($spec_values as $spec) {
                $specs_text[] = $spec['spec_name'] . ':' . $spec['spec_value'];
            }
            $sku['specs_text'] = implode(' | ', $specs_text);
        }
        
        $this->view->assign('goods', $goods);
        $this->view->assign('skus', $goods_skus);
        
        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
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        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;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $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;
                $row->validateFailException()->validate($validate);
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }


}