技术解密：工业品电商接口的垂直突破 —— 从参数分词到供应链联动的实战方案

def _advanced_param_segment(self, query: str) -> Dict:
    """接口级参数解析：输出结构化查询结果供后续过滤"""
    result = {"category": None, "technical_params": {}, "certifications": [], "purchase_scene": []}
    # 1. 品类识别（加载对应参数词典）
    for category, keywords in self.industrial_vocab["category"].items():
        if any(kw in query for kw in keywords):
            result["category"] = category
            break
    # 2. 精准提取技术参数（支持"电压380V"与"IP65防护"两种表述）
    if result["category"]:
        param_dict = self.industrial_vocab["parameters"][result["category"]]
        for param, synonyms in param_dict.items():
            pattern = rf'({param}|{"|".join(synonyms)}):?(\d+[a-zA-Z%]?|IP\d+)'
            match = re.search(pattern, query, re.IGNORECASE)
            if match:
                result["technical_params"][param] = match.group(2)
    # 3. 识别认证与采购场景
    result["certifications"] = self._extract_certifications(query)
    result["purchase_scene"] = self._extract_purchase_scene(query)
    return result

def _calculate_supply_chain_score(self, product: Dict, scene: List[str]) -> float:
    """将供应链属性转化为接口排序权重（0-100分）"""
    score = 0.0
    # 起订量匹配（30%权重，适配批量/样品场景）
    moq = product.get("min_order_quantity", 1)
    score += min(30, moq/10) if "批量采购" in scene else min(30, 30-(moq/5))
    # 交货周期匹配（25%权重，紧急采购优先）
    lead_time = product.get("lead_time_days", 30)
    score += min(25, 25-(lead_time/2)) if "紧急采购" in scene else min(25, 15+(1 if lead_time<=15 else 0)*10)
    # 定制能力与供应商资质（45%权重）
    score += 20 if ("定制生产" in scene and product.get("support_custom")) else 10
    score += (product.get("supplier_rating", 0)/5)*25
    return round(score, 1)