{
  "service": "x-quote.cls.cn",
  "page": "https://www.cls.cn/stock/sh600519",
  "title": "个股关联板块 (Stock Assoc Plate)",
  "summary": "给定个股，返回它所属的全部板块/题材（实测约 12 个），每个板块还带该板块的领涨股。是『个股 → 题材』的反查。",
  "method": "GET",
  "endpoint": "https://x-quote.cls.cn/web_quote/stock/assoc_plate",
  "signing": {
    "required": true,
    "algorithm": "sign = md5( sha1( urlencode(sorted(params)) ) )，params 先并入固定三件套",
    "fixed_params": { "app": "CailianpressWeb", "os": "web", "sv": "8.4.6" },
    "python": "import hashlib,urllib.parse\np=dict(params); p.update({'app':'CailianpressWeb','os':'web','sv':'8.4.6'})\nqs=urllib.parse.urlencode(sorted(p.items()))\nsign=hashlib.md5(hashlib.sha1(qs.encode()).hexdigest().encode()).hexdigest()\nurl=f'{endpoint}?{qs}&sign={sign}'"
  },
  "params": {
    "secu_code": { "type": "string", "required": true, "description": "个股代码", "example": "sh600519" }
  },
  "response": {
    "envelope": "{ code:200, data:[...] }",
    "item_fields": {
      "secu_code": "板块代码 cls8xxxx", "secu_name": "板块名", "change": "板块涨跌幅",
      "up_stock": "该板块领涨股数组"
    }
  },
  "example_call": "见 signing.python，params={'secu_code':'sh600519'}",
  "related_maps": ["x-quote.cls.cn/web_quote/plate/stocks.json"],
  "caveats": ["必须签名"],
  "confidence": 0.85,
  "auto_discovered": true,
  "last_verified": "2026-06-17"
}