Angular如何从字符串值中获取枚举键(不是字符串，而是枚举类型

enum Color {
  Red = 'red',
  Blue = 'blue',
  Green = 'green'
}

getEnumKey(value: string): string {
  return Color[value as keyof typeof Color];
}

const enumKey = this.getEnumKey('blue');
console.log(enumKey); // 输出 'Blue'