是什么
枚举类型是一种特殊的数据类型，约定变量只能在一组数据范围内选择值
定义枚举类型
//enum 枚举名 {常量1 = 值,常量2 = 值,......}
enum ThemeColor {Red = '#ff0f29',Orange = '#ff7100',Green = '#30b30e'}
枚举类型是一种特殊的数据类型，约定变量只能在一组数据范围内选择值
//enum 枚举名 {常量1 = 值,常量2 = 值,......}
enum ThemeColor {Red = '#ff0f29',Orange = '#ff7100',Green = '#30b30e'}