參考API
CBC
CBC
查詢央行匯率並保留來源幣別配對方向.
__init__
def __init__(http: Http) -> None: ...Initialize the source namespace with its owning HTTP transport.
exchange_rates
def exchange_rates(*, start: date, end: date, currency: str | None=None) -> list[ExchangeRate]: ...查詢含起訖兩日的匯率；currency 可篩選任一側幣別，維持來源方向.
AsyncCBC
以 await 查詢央行匯率並保留來源幣別配對方向.
__init__
def __init__(http: AsyncHttp) -> None: ...Initialize the source namespace with its owning HTTP transport.
exchange_rates
async def exchange_rates(*, start: date, end: date, currency: str | None=None) -> list[ExchangeRate]: ...查詢含起訖兩日的匯率；currency 可篩選任一側幣別，維持來源方向.