2019-08-06 go protocolbuffer

message People {
  enum PeopleName {
    Alice = 100;
    Bob = 101;
    Cathy = 102;
  }
  optional PeopleName name = 1;
}

Go protobuf生成器将枚举名称映射到值(反之亦然).您可以使用此映射将字符串转换为枚举值

str := "Cathy"

value, ok := People_PeopleName_value[str]
if !ok {
    panic("invalid enum value")
}

var people People
people.Name = People_PeopleName(value).Enum()