/**
     * 搜索产品（支持分词，结果缓存）
     *
     * @param string $keyword 搜索关键词（如 "obj class"）
     * @param array $filters 过滤条件
     * @param int $page 页码
     * @param int $pageSize 每页数量
     * @param bool $includeAggregation 是否包含聚合结果
     * @param string $orderBy 排序方式
     * @return array
     */
    public function searchProducts($keyword = '', $filters = [], $page = 1, $pageSize = 20, $includeAggregation = false, $orderBy = '')
    {
        // 生成缓存键（包含站点前缀）
        $cacheKey = $this->buildCacheKey(md5($keyword . json_encode($filters) . $page . $pageSize . $orderBy));

        // 尝试从缓存获取
        $cachedResult = \Yii::$app->cache->get($cacheKey);
        if ($cachedResult !== false) {
            return $cachedResult;
        }

        $from = ($page - 1) * $pageSize;

        // 构建查询 - 按照新的权重配置
        if (!empty($keyword)) {
            $searchBody = [
                'query' => [
                    'bool' => [
                        'should' => [
                            // 最高权重（标题和货号）
                            // 1. Name完全匹配 - boost: 200
                            [
                                'match_phrase' => [
                                    'name' => [
                                        'query' => $keyword,
                                        'boost' => 200
                                    ]
                                ]
                            ],
                            // 1.1 Name不分词匹配（针对短横杠） - boost: 190
                            [
                                'match' => [
                                    'name.no_hyphen' => [
                                        'query' => $keyword,
                                        'boost' => 190
                                    ]
                                ]
                            ],
                            // 2. SKU完全匹配 - boost: 180
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match_phrase' => [
                                            'skustr' => $keyword
                                        ]
                                    ],
                                    'boost' => 180
                                ]
                            ],
                            // 2.1 SKU不分词匹配（针对短横杠） - boost: 170
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'skustr.no_hyphen' => $keyword
                                        ]
                                    ],
                                    'boost' => 170
                                ]
                            ],
                            // 3. Name 包含所有词 - boost: 100
                            [
                                'match' => [
                                    'name' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'boost' => 100
                                    ]
                                ]
                            ],
                            // ========== 新增模糊匹配分支 start ==========
                            // name 模糊容错
                            [
                                'match' => [
                                    'name' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'fuzziness' => 'AUTO',
                                        'prefix_length' => 3,
                                        'boost' => 40
                                    ]
                                ]
                            ],
                            // name.no_hyphen 模糊容错（兼容横杠）
                            [
                                'match' => [
                                    'name.no_hyphen' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'fuzziness' => 'AUTO',
                                        'prefix_length' => 3,
                                        'boost' => 38
                                    ]
                                ]
                            ],
                            // skustr 模糊容错
                            [
                                'match' => [
                                    'skustr' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'fuzziness' => 'AUTO',
                                        'prefix_length' => 3,
                                        'boost' => 35
                                    ]
                                ]
                            ],
                            // skustr.no_hyphen 模糊容错（兼容横杠）
                            [
                                'match' => [
                                    'skustr.no_hyphen' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'fuzziness' => 'AUTO',
                                        'prefix_length' => 3,
                                        'boost' => 33
                                    ]
                                ]
                            ],
                            // ========== 新增模糊匹配分支 end ==========
                            // 4. SkuStr 包含任意词 - boost: 80
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'skustr' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 80
                                ]
                            ],
                            // 5. Other Catno 包含任意词 - boost: 80
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'other_catno' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 80
                                ]
                            ],

                            // 中等权重（关键词和SEO描述）
                            // 6. Keywords 包含所有词 - boost: 60
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'keywords' => [
                                                'query' => $keyword,
                                                'operator' => 'and'
                                            ]
                                        ]
                                    ],
                                    'boost' => 60
                                ]
                            ],
                            // 6. DescriptionFormat 包含所有词 - boost: 60
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'description_format' => [
                                                'query' => $keyword,
                                                'operator' => 'and'
                                            ]
                                        ]
                                    ],
                                    'boost' => 60
                                ]
                            ],
                            // 7. SeoDescription 包含所有词 - boost: 50
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'seo_description' => [
                                                'query' => $keyword,
                                                'operator' => 'and'
                                            ]
                                        ]
                                    ],
                                    'boost' => 50
                                ]
                            ],
                            // 8. Description 包含所有词 - boost: 50
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'description' => [
                                                'query' => $keyword,
                                                'operator' => 'and'
                                            ]
                                        ]
                                    ],
                                    'boost' => 50
                                ]
                            ],

                            // 低权重
                            // 9. Keywords 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'keywords' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 10. Content 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 11. Content1 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content1' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 12. Content2 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content2' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 13. content_h5 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content_h5' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 14. content1_h5 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content1_h5' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 15. content2_h5 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content2_h5' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 16. intro_h5 包含任意词 - boost: 3
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'intro_h5' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 3
                                ]
                            ],
                            // 17. Intro 包含任意词 - boost: 3
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'intro' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 3
                                ]
                            ]
                        ],
                        'minimum_should_match' => 1
                    ]
                ]
            ];
        } else{
            // 无关键词：使用 match_all，但保持bool结构以便后续添加筛选条件
            $searchBody = [
                'query' => [
                    'bool' => [
                        'must' => [
                            ['match_all' => (object)[]]
                        ]
                    ]
                ]
            ];
        }

        // 添加筛选条件
        if (!empty($filters)) {
            // 初始化filter数组（现在所有查询都使用bool结构）
            if (!isset($searchBody['query']['bool']['filter'])) {
                $searchBody['query']['bool']['filter'] = [];
            }

            if (!empty($filters['cate'])) {
                // 支持多个分类ID（逗号分隔），求并集（OR逻辑）
                $cateIds = explode(',', $filters['cate']);
                $allCateIds = [];

                foreach ($cateIds as $cateId) {
                    $cateId = (int)trim($cateId);
                    if ($cateId <= 0) {
                        continue;
                    }

                    // 添加当前分类ID
                    $allCateIds[] = $cateId;

                    // 获取该分类及其所有子分类ID
                    $descendants = \addons\InvShop\common\models\product\Cate::getDescendants($cateId);
                    if (!empty($descendants)) {
                        $descendantIds = \yii\helpers\ArrayHelper::getColumn($descendants, 'id');
                        if (!empty($descendantIds)) {
                            $allCateIds = array_merge($allCateIds, (array)$descendantIds);
                        }
                    }
                }

                // 去重并重新索引
                $allCateIds = array_values(array_unique($allCateIds));

                // 使用terms查询匹配任何一个分类ID（OR逻辑）
                if (!empty($allCateIds)) {
                    $searchBody['query']['bool']['filter'][] = ['terms' => ['cate_id' => $allCateIds]];
                }
            }
            // 处理规格筛选（prop_开头的参数）
            // URL中的值就是base_spec_value_id，ES索引中存储的也是base_spec_value_id
            foreach ($filters as $key => $value) {
                if (substr($key, 0, 5) === 'prop_' && !empty($value)) {
                    $valueIds = array_map('intval', explode(',', $value));

                    if (count($valueIds) === 1) {
                        // 单个值使用term查询
                        $searchBody['query']['bool']['filter'][] = [
                            'term' => ['spec_values' => $valueIds[0]]
                        ];
                    } else {
                        // 多个值使用terms查询（OR逻辑）
                        $searchBody['query']['bool']['filter'][] = [
                            'terms' => ['spec_values' => $valueIds]
                        ];
                    }
                }
            }
        }

        // 添加排序
        $searchBody['sort'] = [];
        if (!empty($orderBy)) {
            switch ($orderBy) {
                case 'price_asc':
                    $searchBody['sort'][] = ['price' => ['order' => 'asc']];
                    $searchBody['sort'][] = ['id' => ['order' => 'desc']]; // 次要排序
                    break;
                case 'price_desc':
                    $searchBody['sort'][] = ['price' => ['order' => 'desc']];
                    $searchBody['sort'][] = ['id' => ['order' => 'desc']]; // 次要排序
                    break;
                case 'sales_desc':
                    $searchBody['sort'][] = ['sales' => ['order' => 'desc']];
                    $searchBody['sort'][] = ['id' => ['order' => 'desc']]; // 次要排序
                    break;
                case 'view_desc':
                    $searchBody['sort'][] = ['view' => ['order' => 'desc']];
                    $searchBody['sort'][] = ['id' => ['order' => 'desc']]; // 次要排序
                    break;
            }
        } else {
            // 默认按相关度排序，不添加次要排序，保持纯粹的相关度排序
            $searchBody['sort'][] = ['_score' => ['order' => 'desc']];
        }

        // 调试日志已移除，避免文件写入权限问题

        // 如果需要聚合结果，添加聚合配置
        if ($includeAggregation) {
            $searchBody['aggs'] = [
                'spec_values_stats' => [
                    'terms' => [
                        'field' => 'spec_values.keyword',
                        'size' => 10000
                    ]
                ]
            ];

            // 调试：记录包含聚合的完整查询体
            \Yii::info('=== ES聚合查询体 ===', 'elasticsearch');
            \Yii::info('完整查询体: ' . json_encode($searchBody, JSON_UNESCAPED_UNICODE), 'elasticsearch');
        }

        // 执行搜索
        try {
            $searchResult = $this->esService->advancedSearch($this->indexName, $searchBody, $from, $pageSize);

            // 调试：记录搜索结果到日志
            if (YII_DEBUG && !empty($filters) && array_filter($filters, function($key) { return substr($key, 0, 5) === 'prop_'; }, ARRAY_FILTER_USE_KEY)) {
                \Yii::info('ES搜索结果 - 总数: ' . ($searchResult['total'] ?? 0) . ', 返回数据数量: ' . count($searchResult['data'] ?? []), 'elasticsearch');
            }
        } catch (\Exception $e) {
            \Yii::error('ES搜索失败: ' . $e->getMessage(), 'elasticsearch');
            return [
                'total' => 0,
                'data' => [],
                'page' => $page,
                'pageSize' => $pageSize,
                'totalPages' => 0,
                'error' => $e->getMessage(),
                'raw_response' => null, // 确保有raw_response字段
            ];
        }

        // 格式化结果
        $data = [];
        foreach ($searchResult['data'] as $hit) {
            $product = $hit['_source'];
            $product['id'] = $hit['_id'];
            $product['_score'] = $hit['_score'] ?? 0;
            $data[] = $product;
        }

        $total = $searchResult['total'];

        $result = [
            'total' => $total,
            'data' => $data,
            'page' => $page,
            'pageSize' => $pageSize,
            'totalPages' => ceil($total / $pageSize),
        ];

        // 如果包含聚合，添加原始响应
        if ($includeAggregation) {
            $result['raw_response'] = $searchResult;
        }

        // 缓存结果（5分钟）
        \Yii::$app->cache->set($cacheKey, $result, self::CACHE_DURATION);

        return $result;
    }<!-- DEBUG Controller: useElasticsearch=false, esTotal=0, totalCount=51 --><!-- DEBUG Controller: useElasticsearch=false, esTotal=0, totalCount=51 --><!-- DEBUG: 分类统计 - 搜索词: '', 使用ES统计: YES -->    /**
     * 搜索产品（支持分词，结果缓存）
     *
     * @param string $keyword 搜索关键词（如 "obj class"）
     * @param array $filters 过滤条件
     * @param int $page 页码
     * @param int $pageSize 每页数量
     * @param bool $includeAggregation 是否包含聚合结果
     * @param string $orderBy 排序方式
     * @return array
     */
    public function searchProducts($keyword = '', $filters = [], $page = 1, $pageSize = 20, $includeAggregation = false, $orderBy = '')
    {
        // 生成缓存键（包含站点前缀）
        $cacheKey = $this->buildCacheKey(md5($keyword . json_encode($filters) . $page . $pageSize . $orderBy));

        // 尝试从缓存获取
        $cachedResult = \Yii::$app->cache->get($cacheKey);
        if ($cachedResult !== false) {
            return $cachedResult;
        }

        $from = ($page - 1) * $pageSize;

        // 构建查询 - 按照新的权重配置
        if (!empty($keyword)) {
            $searchBody = [
                'query' => [
                    'bool' => [
                        'should' => [
                            // 最高权重（标题和货号）
                            // 1. Name完全匹配 - boost: 200
                            [
                                'match_phrase' => [
                                    'name' => [
                                        'query' => $keyword,
                                        'boost' => 200
                                    ]
                                ]
                            ],
                            // 1.1 Name不分词匹配（针对短横杠） - boost: 190
                            [
                                'match' => [
                                    'name.no_hyphen' => [
                                        'query' => $keyword,
                                        'boost' => 190
                                    ]
                                ]
                            ],
                            // 2. SKU完全匹配 - boost: 180
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match_phrase' => [
                                            'skustr' => $keyword
                                        ]
                                    ],
                                    'boost' => 180
                                ]
                            ],
                            // 2.1 SKU不分词匹配（针对短横杠） - boost: 170
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'skustr.no_hyphen' => $keyword
                                        ]
                                    ],
                                    'boost' => 170
                                ]
                            ],
                            // 3. Name 包含所有词 - boost: 100
                            [
                                'match' => [
                                    'name' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'boost' => 100
                                    ]
                                ]
                            ],
                            // ========== 新增模糊匹配分支 start ==========
                            // name 模糊容错
                            [
                                'match' => [
                                    'name' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'fuzziness' => 'AUTO',
                                        'prefix_length' => 3,
                                        'boost' => 40
                                    ]
                                ]
                            ],
                            // name.no_hyphen 模糊容错（兼容横杠）
                            [
                                'match' => [
                                    'name.no_hyphen' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'fuzziness' => 'AUTO',
                                        'prefix_length' => 3,
                                        'boost' => 38
                                    ]
                                ]
                            ],
                            // skustr 模糊容错
                            [
                                'match' => [
                                    'skustr' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'fuzziness' => 'AUTO',
                                        'prefix_length' => 3,
                                        'boost' => 35
                                    ]
                                ]
                            ],
                            // skustr.no_hyphen 模糊容错（兼容横杠）
                            [
                                'match' => [
                                    'skustr.no_hyphen' => [
                                        'query' => $keyword,
                                        'operator' => 'and',
                                        'fuzziness' => 'AUTO',
                                        'prefix_length' => 3,
                                        'boost' => 33
                                    ]
                                ]
                            ],
                            // ========== 新增模糊匹配分支 end ==========
                            // 4. SkuStr 包含任意词 - boost: 80
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'skustr' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 80
                                ]
                            ],
                            // 5. Other Catno 包含任意词 - boost: 80
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'other_catno' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 80
                                ]
                            ],

                            // 中等权重（关键词和SEO描述）
                            // 6. Keywords 包含所有词 - boost: 60
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'keywords' => [
                                                'query' => $keyword,
                                                'operator' => 'and'
                                            ]
                                        ]
                                    ],
                                    'boost' => 60
                                ]
                            ],
                            // 6. DescriptionFormat 包含所有词 - boost: 60
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'description_format' => [
                                                'query' => $keyword,
                                                'operator' => 'and'
                                            ]
                                        ]
                                    ],
                                    'boost' => 60
                                ]
                            ],
                            // 7. SeoDescription 包含所有词 - boost: 50
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'seo_description' => [
                                                'query' => $keyword,
                                                'operator' => 'and'
                                            ]
                                        ]
                                    ],
                                    'boost' => 50
                                ]
                            ],
                            // 8. Description 包含所有词 - boost: 50
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'description' => [
                                                'query' => $keyword,
                                                'operator' => 'and'
                                            ]
                                        ]
                                    ],
                                    'boost' => 50
                                ]
                            ],

                            // 低权重
                            // 9. Keywords 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'keywords' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 10. Content 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 11. Content1 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content1' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 12. Content2 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content2' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 13. content_h5 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content_h5' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 14. content1_h5 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content1_h5' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 15. content2_h5 包含任意词 - boost: 10
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'content2_h5' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 10
                                ]
                            ],
                            // 16. intro_h5 包含任意词 - boost: 3
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'intro_h5' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 3
                                ]
                            ],
                            // 17. Intro 包含任意词 - boost: 3
                            [
                                'constant_score' => [
                                    'filter' => [
                                        'match' => [
                                            'intro' => [
                                                'query' => $keyword,
                                                'operator' => 'or'
                                            ]
                                        ]
                                    ],
                                    'boost' => 3
                                ]
                            ]
                        ],
                        'minimum_should_match' => 1
                    ]
                ]
            ];
        } else{
            // 无关键词：使用 match_all，但保持bool结构以便后续添加筛选条件
            $searchBody = [
                'query' => [
                    'bool' => [
                        'must' => [
                            ['match_all' => (object)[]]
                        ]
                    ]
                ]
            ];
        }

        // 添加筛选条件
        if (!empty($filters)) {
            // 初始化filter数组（现在所有查询都使用bool结构）
            if (!isset($searchBody['query']['bool']['filter'])) {
                $searchBody['query']['bool']['filter'] = [];
            }

            if (!empty($filters['cate'])) {
                // 支持多个分类ID（逗号分隔），求并集（OR逻辑）
                $cateIds = explode(',', $filters['cate']);
                $allCateIds = [];

                foreach ($cateIds as $cateId) {
                    $cateId = (int)trim($cateId);
                    if ($cateId <= 0) {
                        continue;
                    }

                    // 添加当前分类ID
                    $allCateIds[] = $cateId;

                    // 获取该分类及其所有子分类ID
                    $descendants = \addons\InvShop\common\models\product\Cate::getDescendants($cateId);
                    if (!empty($descendants)) {
                        $descendantIds = \yii\helpers\ArrayHelper::getColumn($descendants, 'id');
                        if (!empty($descendantIds)) {
                            $allCateIds = array_merge($allCateIds, (array)$descendantIds);
                        }
                    }
                }

                // 去重并重新索引
                $allCateIds = array_values(array_unique($allCateIds));

                // 使用terms查询匹配任何一个分类ID（OR逻辑）
                if (!empty($allCateIds)) {
                    $searchBody['query']['bool']['filter'][] = ['terms' => ['cate_id' => $allCateIds]];
                }
            }
            // 处理规格筛选（prop_开头的参数）
            // URL中的值就是base_spec_value_id，ES索引中存储的也是base_spec_value_id
            foreach ($filters as $key => $value) {
                if (substr($key, 0, 5) === 'prop_' && !empty($value)) {
                    $valueIds = array_map('intval', explode(',', $value));

                    if (count($valueIds) === 1) {
                        // 单个值使用term查询
                        $searchBody['query']['bool']['filter'][] = [
                            'term' => ['spec_values' => $valueIds[0]]
                        ];
                    } else {
                        // 多个值使用terms查询（OR逻辑）
                        $searchBody['query']['bool']['filter'][] = [
                            'terms' => ['spec_values' => $valueIds]
                        ];
                    }
                }
            }
        }

        // 添加排序
        $searchBody['sort'] = [];
        if (!empty($orderBy)) {
            switch ($orderBy) {
                case 'price_asc':
                    $searchBody['sort'][] = ['price' => ['order' => 'asc']];
                    $searchBody['sort'][] = ['id' => ['order' => 'desc']]; // 次要排序
                    break;
                case 'price_desc':
                    $searchBody['sort'][] = ['price' => ['order' => 'desc']];
                    $searchBody['sort'][] = ['id' => ['order' => 'desc']]; // 次要排序
                    break;
                case 'sales_desc':
                    $searchBody['sort'][] = ['sales' => ['order' => 'desc']];
                    $searchBody['sort'][] = ['id' => ['order' => 'desc']]; // 次要排序
                    break;
                case 'view_desc':
                    $searchBody['sort'][] = ['view' => ['order' => 'desc']];
                    $searchBody['sort'][] = ['id' => ['order' => 'desc']]; // 次要排序
                    break;
            }
        } else {
            // 默认按相关度排序，不添加次要排序，保持纯粹的相关度排序
            $searchBody['sort'][] = ['_score' => ['order' => 'desc']];
        }

        // 调试日志已移除，避免文件写入权限问题

        // 如果需要聚合结果，添加聚合配置
        if ($includeAggregation) {
            $searchBody['aggs'] = [
                'spec_values_stats' => [
                    'terms' => [
                        'field' => 'spec_values.keyword',
                        'size' => 10000
                    ]
                ]
            ];

            // 调试：记录包含聚合的完整查询体
            \Yii::info('=== ES聚合查询体 ===', 'elasticsearch');
            \Yii::info('完整查询体: ' . json_encode($searchBody, JSON_UNESCAPED_UNICODE), 'elasticsearch');
        }

        // 执行搜索
        try {
            $searchResult = $this->esService->advancedSearch($this->indexName, $searchBody, $from, $pageSize);

            // 调试：记录搜索结果到日志
            if (YII_DEBUG && !empty($filters) && array_filter($filters, function($key) { return substr($key, 0, 5) === 'prop_'; }, ARRAY_FILTER_USE_KEY)) {
                \Yii::info('ES搜索结果 - 总数: ' . ($searchResult['total'] ?? 0) . ', 返回数据数量: ' . count($searchResult['data'] ?? []), 'elasticsearch');
            }
        } catch (\Exception $e) {
            \Yii::error('ES搜索失败: ' . $e->getMessage(), 'elasticsearch');
            return [
                'total' => 0,
                'data' => [],
                'page' => $page,
                'pageSize' => $pageSize,
                'totalPages' => 0,
                'error' => $e->getMessage(),
                'raw_response' => null, // 确保有raw_response字段
            ];
        }

        // 格式化结果
        $data = [];
        foreach ($searchResult['data'] as $hit) {
            $product = $hit['_source'];
            $product['id'] = $hit['_id'];
            $product['_score'] = $hit['_score'] ?? 0;
            $data[] = $product;
        }

        $total = $searchResult['total'];

        $result = [
            'total' => $total,
            'data' => $data,
            'page' => $page,
            'pageSize' => $pageSize,
            'totalPages' => ceil($total / $pageSize),
        ];

        // 如果包含聚合，添加原始响应
        if ($includeAggregation) {
            $result['raw_response'] = $searchResult;
        }

        // 缓存结果（5分钟）
        \Yii::$app->cache->set($cacheKey, $result, self::CACHE_DURATION);

        return $result;
    }<pre>An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /www/wwwroot/enkilife.cn/addons/InvShop/common/services/ProductElasticsearchService.php on line 1. in /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/web/Response.php:368
Stack trace:
#0 /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/web/Response.php(341): yii\web\Response-&gt;sendHeaders()
#1 /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response-&gt;send()
#2 /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/base/ErrorHandler.php(152): yii\web\ErrorHandler-&gt;renderException()
#3 [internal function]: yii\base\ErrorHandler-&gt;handleException()
#4 {main}
Previous exception:
yii\base\UnknownClassException: Unable to find &#039;addons\InvShop\common\services\ProductElasticsearchService&#039; in file: /www/wwwroot/enkilife.cn/addons/InvShop/common/services/ProductElasticsearchService.php. Namespace missing? in /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/BaseYii.php:296
Stack trace:
#0 [internal function]: yii\BaseYii::autoload()
#1 /www/wwwroot/enkilife.cn/frontend/controllers/ProductController.php(579): spl_autoload_call()
#2 [internal function]: frontend\controllers\ProductController-&gt;actionIndex()
#3 /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array()
#4 /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction-&gt;runWithParams()
#5 /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller-&gt;runAction()
#6 /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module-&gt;runAction()
#7 /www/wwwroot/enkilife.cn/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application-&gt;handleRequest()
#8 /www/wwwroot/enkilife.cn/web/index.php(48): yii\base\Application-&gt;run()
#9 {main}</pre>