以下是推荐活动 Feed 规范中引用的 Google 类型定义。
google.type.Money 定义
// Represents an amount of money with its currency type.
message google.type.Money {
// The three-letter currency code defined in ISO 4217.
string currency_code = 1;
// The whole units of the amount.
// For example if `currencyCode` is `"USD"`, then 1 unit is one US dollar.
int64 units = 2;
// Number of nano (10^-9) units of the amount.
// The value must be between -999,999,999 and +999,999,999 inclusive.
// If `units` is positive, `nanos` must be positive or zero.
// If `units` is zero, `nanos` can be positive, zero, or negative.
// If `units` is negative, `nanos` must be negative or zero.
// For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000.
int32 nanos = 3;
}
google.type.LatLng 定义
// An object that represents a latitude/longitude pair. This is expressed as a
// pair of doubles to represent degrees latitude and degrees longitude. Unless
// specified otherwise, this must conform to the
// <a href="http://www.unoosa.org/pdf/icg/2012/template/WGS_84.pdf">WGS84
// standard</a>. Values must be within normalized ranges.
message google.type.LatLng {
// The latitude in degrees. It must be in the range [-90.0, +90.0].
double latitude = 1;
// The longitude in degrees. It must be in the range [-180.0, +180.0].
double longitude = 2;
}
google.type.LocalizedText 定义
message google.type.LocalizedText {
// Localized string in the language corresponding to `language_code`.
string text = 1;
// The text's BCP-47 language code, such as "en-US" or "sr-Latn".
//
// For more information, see
// http://www.unicode.org/reports/tr35/#Unicode_locale_identifier.
string language_code = 2;
}