paramsobject可选
业务参数，契约按 endpoint 选择；请勿再次嵌套 params。
get_industry_data: {"type":"object","properties":{"market":{"enum":["HK","US","CN","JP"],"type":"string","description":"市场代码：HK（港股）、US（美股）、CN（A股/沪深市场）、JP（日股）。"},"industryType":{"enum":["list","rank","constituent","belong_quote"],"type":"string","description":"industryType 取值：list=行业列表，rank=行业排行，constituent=行业成分股，belong_quote=所属行业板块行情。 适用范围：constituent 仅适用于 market=HK/US/JP；belong_quote 仅适用于 market=JP。"},"conceptFlag":{"enum":["Y","N"],"default":"N","type":"string","description":"板块标识：Y=概念板块，N=行业板块。"},"symbol":{"type":"string","description":"行业、指数或股票代码；查询成分股或日股所属行业行情时必填。"},"sortField":{"default":"changeRate","type":"string","description":"排序字段，例如 changeRate=涨跌幅，amount=成交额，volume=成交量，last=最新价。"},"sortType":{"enum":[0,1],"default":1,"type":"number","description":"排序方式：0=升序，1=降序。"},"timeMode":{"enum":[0,1],"default":0,"type":"number","description":"时间模式：0=实时，1=延时。"},"pageNum":{"default":1,"minimum":1,"maximum":100000,"type":"number","description":"页码，从 1 开始。"},"pageSize":{"default":20,"minimum":1,"maximum":200,"type":"number","description":"单页数量。"}},"required":["market","industryType"],"allOf":[{"if":{"properties":{"industryType":{"const":"constituent"}},"required":["industryType"]},"then":{"required":["symbol"]}},{"if":{"properties":{"market":{"const":"JP"},"industryType":{"const":"belong_quote"}},"required":["market","industryType"]},"then":{"required":["symbol"]}}]}
