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

<?php

namespace app\admin\controller\shop;

use app\common\controller\Backend;
use Exception;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use app\admin\model\shop\GoodsAttr;
use app\admin\model\shop\Spec;
use app\admin\model\shop\GoodsSkuSpec;
use app\common\Enum\GoodsEnum;
use app\common\Service\SkuSpec as SkuSpecService;

/**
 * 商品管理
 *
 * @icon fa fa-circle-o
 */
class Goods extends Backend
{

    /**
     * 快速搜索时执行查找的字段
     */
    protected $searchFields = 'id,goods_sn,title,subtitle';

    /**
     * Goods模型对象
     * @var \app\admin\model\shop\Goods
     */
    protected $model = null;
    protected $sku_model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\shop\Goods;
        $this->sku_model = new \app\admin\model\shop\GoodsSku;

        // $this->view->assign("flagList", $this->model->getFlagList());
        // $this->view->assign("statusList", $this->model->getStatusList());
        $this->view->assign("goodsTypeList", GoodsEnum::getGoodsTypeMap());
        $this->assignconfig("goodsTypeList", json_encode(GoodsEnum::getGoodsTypeMap()));
        $this->view->assign("statusList", GoodsEnum::getGoodsStatusMap());
        $this->assignconfig("statusList", json_encode(GoodsEnum::getGoodsStatusMap()));
        $this->view->assign("specTypeList", GoodsEnum::getSpecTypeMap());
        $this->assignconfig("specTypeList", json_encode(GoodsEnum::getSpecTypeMap()));
        $this->view->assign("deliveryTypeList", GoodsEnum::getDeliveryTypeMap());
        $this->view->assign("onlineTypeList", GoodsEnum::getOnlineTypeMap());
        $this->view->assign("expressTypeList", GoodsEnum::getExpressTypeMap());
        $this->view->assign("stockShowTypeList", GoodsEnum::getStockShowTypeMap());
        $this->view->assign("salesShowTypeList", GoodsEnum::getSalesShowTypeMap());

    }

    

    /**
     * 检查商品编码是否重复
     */
    public function checkGoodsSn()
    {
        $goods_sn = $this->request->param('goods_sn');
        $id = $this->request->param('id', 0);
        
        if (empty($goods_sn)) {
            $this->error('商品编码不能为空');
        }
        
        $where = [['goods_sn', '=', $goods_sn]];
        if ($id > 0) {
            $where[] = ['id', '<>', $id];
        }
        
        $exists = $this->model->where($where)->find();
        if ($exists) {
            $this->error('商品编码已存在');
        }
        
        $this->success('商品编码可用');
    }

    /**
     * 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 = $this->model
                ->with(['Freight', 'Brand', 'Category'])
                ->where($where)
                ->order($sort, $order)
                ->paginate($limit);

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

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


    /**
     * 查看
     */
    public function select()
    {
        //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 = $this->model
                ->with(['Freight', 'Brand', 'Category'])
                ->where($where)
                ->order($sort, $order)
                ->paginate($limit);

            // 为每个商品添加SKU信息
            $items = $list->items();
            foreach ($items as &$item) {
                // 获取商品的第一个SKU ID（单规格商品通常只有一个SKU）
                $sku = \app\common\model\Sku::where('goods_id', $item['id'])->find();
                $item['sku_id'] = $sku ? $sku['id'] : 0;
            }

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

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

    //检查属性skus 和 spec 是否对上
    protected function checkSku($skus, $spec)
    {
        foreach ($skus as $item) {
            if (!isset($item['skus']) || !is_array($item['skus']) || empty($item['skus'])) {
                throw new Exception('规格属性不能为空');
            }
            if (!isset($item['price'])) {
                throw new Exception('请录入价格');
            }

            foreach ($item['skus'] as $k => $v) {
                if (empty($v) && !is_numeric($v)) {
                    throw new Exception('规格【' . $v . '】属性值不能为空');
                }
                if (!isset($spec[$k]['value']) || (empty($spec[$k]['name']) && !is_numeric($spec[$k]['name']))) {
                    throw new Exception('规格【' . $v . '】名称不能为空');
                }
                foreach ($spec[$k]['value'] as $m => $n) {
                    // 兼容新格式（对象）和旧格式（字符串）
                    $valueText = is_array($n) ? $n['name'] : $n;
                    if (stripos($valueText, ',') !== false) {
                        throw new Exception('规格【' . $v . '】属性值中不能包含,');
                    }
                }
                // 检查重复值（提取name字段进行比较）
                $valueNames = array_map(function($n) {
                    return is_array($n) ? $n['name'] : $n;
                }, $spec[$k]['value']);
                if (count($valueNames) != count(array_unique($valueNames))) {
                    throw new Exception('规格【' . $v . '】属性值中不能有重复值');
                }
                // 检查规格值是否匹配（支持新旧格式）
                $valueNames = array_map(function($n) {
                    return is_array($n) ? $n['name'] : $n;
                }, $spec[$k]['value']);
                if (empty($spec[$k]['value']) || !in_array($v, $valueNames)) {
                    throw new Exception('规格【' . $v . '】属性不匹配');
                }
            }
        }
    }

    protected function getSkuId($skus, $newSpec, $spec)
    {
        $arr = [];
        foreach ($skus as $index => $item) {
            $specArr = $spec[$index];
            foreach ($newSpec as $subindex => $subitem) {
                if ($subitem['spec_name'] == $specArr['name'] && $subitem['spec_value_value'] == $item) {
                    $arr[] = $subitem['id'];
                }
            }
        }
        sort($arr);
        return implode(',', $arr);
    }

    /**
     * 根据上下架时间计算商品状态
     * @param array $params 商品参数
     * @return int 商品状态
     */
    protected function calculateGoodsStatus($params)
    {
        $currentTime = time();
        
        // 获取上架时间设置 - 前端传递的上架类型字段（使用status字段）
        $onlineType = isset($params['status']) ? intval($params['status']) : GoodsEnum::ONLINE_TYPE_NOT_NOW;
        $scheduledOnlineTime = isset($params['scheduled_online_time']) ? strtotime($params['scheduled_online_time']) : 0;
        
        // 获取下架时间设置
        $isAutoOffline = isset($params['is_auto_offline']) ? intval($params['is_auto_offline']) : 0;
        $scheduledOfflineTime = isset($params['scheduled_offline_time']) ? strtotime($params['scheduled_offline_time']) : 0;
        
        // 根据上架类型判断状态
        switch ($onlineType) {
            case GoodsEnum::ONLINE_TYPE_IMMEDIATE: // 立即上架
                // 检查是否需要自动下架
                if ($isAutoOffline && $scheduledOfflineTime > 0) {
                    if ($currentTime >= $scheduledOfflineTime) {
                        return GoodsEnum::STATUS_OFF_SALE; // 已下架
                    }
                }
                return GoodsEnum::STATUS_ON_SALE; // 销售中
                
            case GoodsEnum::ONLINE_TYPE_NOT_NOW: // 暂不上架
                return GoodsEnum::STATUS_IN_STORAGE; // 仓库中
                
            case GoodsEnum::ONLINE_TYPE_SCHEDULED: // 定时上架
                if ($scheduledOnlineTime <= 0) {
                    return GoodsEnum::STATUS_IN_STORAGE; // 未设置上架时间，保持仓库中
                }
                
                if ($currentTime < $scheduledOnlineTime) {
                    return GoodsEnum::STATUS_IN_STORAGE; // 未到上架时间，仓库中
                }
                
                // 已到上架时间，检查下架时间
                if ($isAutoOffline && $scheduledOfflineTime > 0) {
                    if ($currentTime >= $scheduledOfflineTime) {
                        return GoodsEnum::STATUS_OFF_SALE; // 已下架
                    }
                }
                
                return GoodsEnum::STATUS_ON_SALE; // 销售中
                
            default:
                return GoodsEnum::STATUS_IN_STORAGE; // 默认仓库中
        }
    }

    //处理商品SKU（统一处理单规格和多规格）
    protected function processGoodsSku($params, $goods_id)
    {
        // 统一通过skus和spec字段处理
        if (isset($params['skus']) && isset($params['spec'])) {
            $skus = (array)json_decode($params['skus'], true);
            $spec = (array)json_decode($params['spec'], true);
            
            // 判断是单规格还是多规格
            if (empty($spec) && count($skus) === 1) {
                // 单规格处理
                $this->addSingleSpecSku($skus[0], $goods_id);
            } else {
                // 多规格处理
                $this->addMultiSpecSku($skus, $spec, $goods_id);
            }
        } else {
            throw new \Exception('SKU数据格式错误');
        }
    }

    //添加单规格商品SKU
    protected function addSingleSpecSku($skuData, $goods_id)
    {
        // 如果原来是多规格，先清理多余的SKU记录
        $existingSkuCount = $this->sku_model->where('goods_id', $goods_id)->count();
        if ($existingSkuCount > 1) {
            // 从多规格改为单规格，删除所有旧记录
            $this->sku_model->where('goods_id', $goods_id)->delete();
        }
        
        // 查询现有的SKU记录
        $existingSku = $this->sku_model->where('goods_id', $goods_id)->find();
        
        // 创建单规格SKU数据
        $newSkuData = [
            'goods_id'       => $goods_id,
            'spec_value_ids' => '', // 单规格无规格值ID
            'sku_attr'       => '', // 单规格无规格属性
            'sku_sn'         => $skuData['sku_sn'] ?? '',
            'image'          => $skuData['image'] ?? '',
            'price'          => $skuData['price'] ?? 0,
            'lineation_price'=> $skuData['lineation_price'] ?? 0,
            'cost_price'     => $skuData['cost_price'] ?? 0,
            'weight'         => $skuData['weight'] ?? 0,
            'volume'         => $skuData['volume'] ?? 0,
            'stocks'         => $skuData['stocks'] ?? 0,
            'status'         => 1,
            'is_default'     => 1, // 单规格默认为默认SKU
        ];
        
        $defaultSkuId = 0;
        
        if ($existingSku) {
            // 单规格商品已存在SKU记录，直接更新（保持ID和销量不变）
            $newSkuData['sales'] = $existingSku->sales; // 保持原有销量
            $existingSku->save($newSkuData);
            $defaultSkuId = $existingSku->id;
        } else {
            // 新商品，创建SKU记录
            $newSkuData['sales'] = 0;
            $newSku = $this->sku_model->create($newSkuData);
            $defaultSkuId = $newSku->id;
        }
        
        // 更新商品主表信息
        $updateData = [
            'spec_type'          => 0, // 单规格
            'stocks'             => $skuData['stocks'] ?? 0,
            'min_price'          => $skuData['price'] ?? 0,
            'max_price'          => $skuData['price'] ?? 0,
            'price'              => $skuData['price'] ?? 0,
            'min_lineation_price'=> $skuData['lineation_price'] ?? 0,
            'max_lineation_price'=> $skuData['lineation_price'] ?? 0,
            'lineation_price'    => $skuData['lineation_price'] ?? 0,
            'default_sku_id'     => $defaultSkuId,
        ];
        
        $this->model->where('id', $goods_id)->update($updateData);
    }

    //添加商品多规格
    protected function addMultiSpecSku($skus, $spec, $goods_id)
    {
        //属性入库
        $specList = Spec::push($spec);
        $newSpec = GoodsSkuSpec::push($specList, $goods_id);
        //匹配属性
        $list = $this->sku_model->where('goods_id', $goods_id)->select();
        $newData = [];
        $stocks = 0;
        foreach ($skus as $k => $sk) {
            $newSkuId = $this->getSkuId($sk['skus'], $newSpec, $spec);
            
            // 生成规格属性JSON，格式：[{"name":"规格名","value":"规格值"}]
            $skuAttr = '';
            if (!empty($sk['skus'])) {
                $attrArray = [];
                foreach ($sk['skus'] as $index => $value) {
                    if (isset($spec[$index]['name']) && !empty($value)) {
                        $attrArray[] = [
                            'name' => $spec[$index]['name'],
                            'value' => $value
                        ];
                    }
                }
                $skuAttr = !empty($attrArray) ? json_encode($attrArray, JSON_UNESCAPED_UNICODE) : '';
            }
            
            $newSkuData = [
                'goods_id'     => $goods_id,
                'spec_value_ids' => $newSkuId,
                'sku_attr'     => $skuAttr, // 冗余存储规格信息
                'sku_sn'       => $sk['sku_sn'] ?? '',
                'image'        => $sk['image'] ?? '',
                'price'        => $sk['price'] ?? 0,
                'lineation_price' => $sk['lineation_price'] ?? 0,
                'cost_price'   => $sk['cost_price'] ?? 0,
                'weight'       => $sk['weight'] ?? 0,
                'volume'       => $sk['volume'] ?? 0,
                'stocks'       => $sk['stocks'] ?? 0,
                'status'       => isset($sk['status']) ? intval($sk['status']) : 1,
                'is_default'   => isset($sk['is_default']) ? intval($sk['is_default']) : 0,
            ];
            if (isset($list[$k])) {
                $row = $list[$k];
                $oldSkuIdsArr = explode(',', $row['spec_value_ids']);
                sort($oldSkuIdsArr);
                $oldSkuId = implode(',', $oldSkuIdsArr);

                if ($oldSkuId == $newSkuId) {
                    //相等的更新
                    $row->save($newSkuData);
                } else {
                    //不等的
                    $row->save(array_merge($newSkuData, ['sales' => 0]));
                }
                unset($list[$k]);
            } else { //多余的
                $newData[] = array_merge($newSkuData, ['sales' => 0]);
            }
            $stocks = bcadd($stocks, $sk['stocks'] ?? 0);
        }
        if (!empty($newData)) {
            $this->sku_model->saveAll($newData);
        }
        
        // 处理默认SKU
        $defaultSkuId = 0;
        $hasDefault = false;
        foreach ($skus as $k => $sk) {
            if (isset($sk['is_default']) && $sk['is_default']) {
                $hasDefault = true;
                break;
            }
        }
        
        // 如果没有明确设置默认SKU，则使用第一个SKU作为默认
        if (!$hasDefault && !empty($skus)) {
            $firstSku = $this->sku_model->where('goods_id', $goods_id)->order('id', 'asc')->find();
            if ($firstSku) {
                $firstSku->save(['is_default' => 1]);
                $defaultSkuId = $firstSku->id;
            }
        } else {
            // 查找默认SKU的ID
            $defaultSku = $this->sku_model->where('goods_id', $goods_id)->where('is_default', 1)->find();
            if ($defaultSku) {
                $defaultSkuId = $defaultSku->id;
            }
        }
        
        //更新库存和默认SKU，计算价格范围
        if (!empty($skus)) {
            $prices = array_column($skus, 'price');
            $lineationPrices = array_column($skus, 'lineation_price');
            
            // 使用bc函数计算平均价格，保证精度
            $totalPrice = '0';
            $validPriceCount = 0;
            foreach ($prices as $price) {
                if ($price > 0) {
                    $totalPrice = bcadd($totalPrice, (string)$price, 2);
                    $validPriceCount++;
                }
            }
            
            // 计算平均价格
            $avgPrice = $validPriceCount > 0 ? bcdiv($totalPrice, (string)$validPriceCount, 2) : '0.00';
            
            // 使用bc函数计算平均划线价格
            $totalLineationPrice = '0';
            $validLineationPriceCount = 0;
            foreach ($lineationPrices as $lineationPrice) {
                if ($lineationPrice > 0) {
                    $totalLineationPrice = bcadd($totalLineationPrice, (string)$lineationPrice, 2);
                    $validLineationPriceCount++;
                }
            }
            
            // 计算平均划线价格
            $avgLineationPrice = $validLineationPriceCount > 0 ? bcdiv($totalLineationPrice, (string)$validLineationPriceCount, 2) : '0.00';
            
            // 过滤掉0值的划线价格来计算最大最小值
            $validLineationPrices = array_filter($lineationPrices, function($price) {
                return $price > 0;
            });
            
            $updateData = [
                'stocks' => $stocks, 
                'spec_type' => 1,
                'min_price' => min($prices),
                'max_price' => max($prices),
                'price' => $avgPrice,
                'min_lineation_price' => !empty($validLineationPrices) ? min($validLineationPrices) : '0.00',
                'max_lineation_price' => !empty($validLineationPrices) ? max($validLineationPrices) : '0.00',
                'lineation_price' => $avgLineationPrice
            ];
            if ($defaultSkuId > 0) {
                $updateData['default_sku_id'] = $defaultSkuId;
            }
            $this->model->where('id', $goods_id)->update($updateData);
        } else {
            $this->model->where('id', $goods_id)->update(['spec_type' => 0]);
        }
        //原来多的删除
        foreach ($list as $it) {
            $it->delete();
        }
    }

    /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $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;
                        
                        // 添加规格数据到验证参数中
                        if (isset($params['skus']) && isset($params['spec'])) {
                            $params['spec_data'] = json_decode($params['spec'], true);
                            $params['sku_data'] = json_decode($params['skus'], true);
                        }
                        
                        $this->model->validateFailException(true)->validate($validate);
                    }
                    
                    // 备份上架类型，因为status字段将被覆盖为最终状态
                    $originalOnlineType = $params['online_type'] ??  GoodsEnum::ONLINE_TYPE_NOT_NOW;
                    
                    // 将online_type映射到status字段用于计算
                    if (isset($params['online_type'])) {
                        $params['status'] = $params['online_type'];
                        unset($params['online_type']);
                    }
                    
                    // 先保存商品基础信息（暂时不保存status字段）
                    $statusBackup = $params['status'] ?? null;
                    unset($params['status']); // 临时移除status避免冲突
                    $result = $this->model->allowField(true)->save($params);
                    
                    // 根据上下架时间自动计算商品状态并更新
                    $params['status'] = $statusBackup; // 恢复用于计算
                    $calculatedStatus = $this->calculateGoodsStatus($params);
                    $this->model->where('id', $this->model->id)->update([
                        'status' => $calculatedStatus,
                        'online_type' => $originalOnlineType  // 保存原始上架类型用于编辑时回显
                    ]);
                    
                    // 调试输出
                    \think\Log::write('商品添加 - 上架类型: ' . $originalOnlineType . ', 计算状态: ' . $calculatedStatus, 'info');
                    //商品规格处理
                    if (isset($params['skus']) && isset($params['spec'])) {
                        $skus = (array)json_decode($params['skus'], true);
                        $spec = (array)json_decode($params['spec'], true);
                        
                        // 只对多规格进行checkSku验证
                        if (!empty($spec)) {
                            $this->checkSku($skus, $spec);
                        }
                        
                        // 统一处理SKU
                        $this->processGoodsSku($params, $this->model->id);
                    } else {
                        throw new \Exception('商品规格数据不能为空');
                    }
                    //商品属性
                    if (isset($params['attribute_ids'])) {
                        GoodsAttr::addGoodsAttr($params['attribute_ids'], $this->model->id);
                    }
                    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 = $this->request->post("row/a");
            if ($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;
                        
                        // 添加规格数据到验证参数中
                        if (isset($params['skus']) && isset($params['spec'])) {
                            $params['spec_data'] = json_decode($params['spec'], true);
                            $params['sku_data'] = json_decode($params['skus'], true);
                        }
                        
                        $row->validateFailException(true)->validate($validate);
                    }
                    
                    // 备份上架类型，因为status字段将被覆盖为最终状态
                    $originalOnlineType = $params['online_type'] ??  GoodsEnum::ONLINE_TYPE_NOT_NOW;
                    
                    // 将online_type映射到status字段用于计算
                    if (isset($params['online_type'])) {
                        $params['status'] = $params['online_type'];
                        unset($params['online_type']);
                    }
                    
                    // 先保存商品基础信息（暂时不保存status字段）
                    $statusBackup = $params['status'] ?? null;
                    unset($params['status']); // 临时移除status避免冲突
                    $result = $row->allowField(true)->save($params);
                    
                    // 根据上下架时间自动计算商品状态并更新
                    $params['status'] = $statusBackup; // 恢复用于计算
                    $calculatedStatus = $this->calculateGoodsStatus($params);
                    $this->model->where('id', $row->id)->update([
                        'status' => $calculatedStatus,
                        'online_type' => $originalOnlineType  // 保存原始上架类型用于编辑时回显
                    ]);
                    
                    // 调试输出
                    \think\Log::write('商品编辑 - 上架类型: ' . $originalOnlineType . ', 计算状态: ' . $calculatedStatus, 'info');
                    //商品规格处理
                    if (isset($params['skus']) && isset($params['spec'])) {
                        $skus = (array)json_decode($params['skus'], true);
                        $spec = (array)json_decode($params['spec'], true);
                        
                        // 只对多规格进行checkSku验证
                        if (!empty($spec)) {
                            $this->checkSku($skus, $spec);
                        }
                        
                        // 统一处理SKU
                        $this->processGoodsSku($params, $row->id);
                    } else {
                        throw new \Exception('商品规格数据不能为空');
                    }
                    //商品属性
                    if (isset($params['attribute_ids'])) {
                        GoodsAttr::addGoodsAttr($params['attribute_ids'], $row->id);
                    }
                    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', ''));
        }
            
        
        // 简化查询SKU数据，直接使用冗余的 sku_attr 字段
        $list = $this->sku_model->where('goods_id', $row->id)->select();
        
        // 查询规格值的详细信息（包含图片等扩展字段）
        $spec_values = [];
        if ($row->spec_type == 1) { // 多规格商品
            $spec_values = Db::name('shop_goods_sku_spec')
                ->alias('gss')
                ->field('sp.name as spec_name, sv.value, sv.image, sv.desc')
                ->join('shop_spec sp', 'sp.id = gss.spec_id', 'LEFT')
                ->join('shop_spec_value sv', 'sv.id = gss.spec_value_id', 'LEFT')
                ->where('gss.goods_id', $row->id)
                ->group('gss.spec_id, gss.spec_value_id')
                ->order('sp.id asc, sv.id asc')
                ->select();
        }
        
        $this->view->assign("row", $row);
        $this->assignconfig('goods', $row);
        $this->assignconfig('goods_skus', $list);
        $this->assignconfig('spec_values', $spec_values); // 传递规格值详细信息
        
        return $this->view->fetch();
    }

    /**
     * 获取单个商品信息
     */
    public function info()
    {
        $id = $this->request->request('id');
        if (!$id) {
            $this->error('商品ID不能为空');
        }
        
        $goods = $this->model
            ->with(['Brand'])
            ->where('id', $id)
            ->find();
            
        if (!$goods) {
            $this->error('商品不存在');
        }
        
        // 处理图片URL和SKU信息
        if ($goods['image']) {
            $goods['image'] = cdnurl($goods['image'], true);
        }
        
        // 获取商品的第一个SKU ID（单规格商品通常只有一个SKU）
        $sku = \app\common\model\Sku::where('goods_id', $goods['id'])->find();
        $goods['sku_id'] = $sku ? $sku['id'] : 0;
        
        // 添加商品类型文本
        $goodsTypeMap = GoodsEnum::getGoodsTypeMap();
        $goods['type_text'] = isset($goodsTypeMap[$goods['type']]) ? $goodsTypeMap[$goods['type']] : '';
        
        $this->success('获取成功', null, $goods);
    }

    /**
     * 根据ID批量获取商品信息
     */
    public function get_goods_by_ids()
    {
        $ids = $this->request->request('ids');
        if (!$ids) {
            $this->error('请选择商品');
        }
        
        $ids = explode(',', $ids);
        $list = $this->model
            ->with(['Category'])
            ->where('id', 'in', $ids)
            ->select();
            
        // 处理图片URL和SKU信息
        foreach ($list as &$item) {
            if ($item['image']) {
                $item['image'] = cdnurl($item['image'], true);
            }
            
            // 获取商品的第一个SKU ID（单规格商品通常只有一个SKU）
            $sku = \app\common\model\Sku::where('goods_id', $item['id'])->find();
            $item['sku_id'] = $sku ? $sku['id'] : 0;
        }
        
        return json($list);
    }

}