调用 GraphQL API 时，必须指定嵌套子字段，直到仅返回标量。
An ISO-8601 encoded date string.
An ISO-8601 encoded UTC date string.
A Git object ID.
Git SSH string.
An ISO-8601 encoded date string. Unlike the DateTime type, GitTimestamp is not converted in UTC.
A string containing HTML code.
Represents a unique identifier that is Base64 obfuscated. It is often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as
"VXNlci0xMA==") or integer (such as
4) input value will be accepted as an ID.
Represents non-fractional signed whole numeric values. Int can represent values between -(2^31) and 2^31 - 1.
An ISO-8601 encoded UTC date string with millisecond precison.
Represents textual data as UTF-8 character sequences. This type is most often used by GraphQL to represent free-form human-readable text.
An RFC 3986, RFC 3987, and RFC 6570 (level 4) compliant URI string.
A valid x509 certificate string.