4 if descripter: 5 return descripter.__get__(instance, instance.__class__) 6 else: 7 if value in instance.__dict__ 8 return value 9 10 value = find first value in class and bases's dict(property) 11 if value is a function: 12 return bounded function(value) 13 else: 14 return...
fromenumimportEnumclassColor(Enum):RED=1GREEN=2BLUE=3defget_member_by_value(enum_type,value):formemberinenum_type.__members__.values():ifmember.value==value:returnmemberraiseValueError(f"No member found with value{value}")color=get_member_by_value(Color,2)print(color)# 输出: Color.GREEN ...
from enum import Enum class Weekday(Enum): MONDAY = 1 TUESDAY = 2 WEDNESDAY = 3 THURSDAY = 4 FRIDAY = 5 SATURDAY = 6 SUNDAY = 7 遍历枚举成员: 你可以使用Weekday枚举类来遍历其所有成员,并获取每个成员的值。 python # 遍历枚举成员并获取所有值 values = [member.value for member in Weekda...
一、基础操作：5分钟上手Python枚举定义第一个枚举类from enum import EnumclassOrderStatus(Enum): PENDING = 1# 待处理 PROCESSING = 2# 处理中 COMPLETED = 3# 已完成用法示例：current_status = OrderStatus.PROCESSINGprint(current_status.value) # 输出：2print(current_status.name) # 输出...
Python Enum 枚举 用法汇总 importosimportsysifsys.version_info.major + sys.version_info.minor * 0.1 < 3.4:fromenum34importEnumelse:fromenumimportEnumclassMyColorEnum(Enum): red= 1red_alias= 1blue= 2green='green'MyColorEnum.red.name#get member name stringMyColorEnum.red.value#get member valu...
1print(EnumCode.Success.Msg) 打印: "请求成功" 3、拿到 Success 本身的值 1print(EnumCode.Success.value) 打印: {200:'请求成功'} 下面是Django中的使用案例 二次封装 APIView 1classBaseAPIView(APIView):2"""3通用基础API视图4"""56defdispatch(self, request, *args, **kwargs):7#判断是否GET, PO...
<enum 'Gender'> 访问枚举: >>> for g in Gender: ... print(g.name,g.value) ... 男1 女0 未知2 >>> print(Gender.男.name) 男 >>> print(Gender.男.value) 1 >>> isinstance(Gender.男,Gender) True >>> Gender['男'] <Gender.男: 1> ...
Value可用的类型:str,int,float,list,set,dict等 Key可用的类型:不可变的类型,例如元组(tuple),字符串(str) 9.值类型和引用类型 int,str,tuple为值类型(不可改变),list,set,dict为引用类型(可变) 10.tuple的多维度访问: 11,非布尔类型参与运算的“短路定理” ...
Enum 允许这样的访问: >>> >>> Color(1) <Color.RED: 1> >>> Color(3) <Color.BLUE: 3> 如果你希望通过 name 来访问枚举成员,可使用条目访问: >>> >>> Color['RED'] <Color.RED: 1> >>> Color['GREEN'] <Color.GREEN: 2> 如果你有一个枚举成员并且需要它的 name 或value: >>> >...
第二种方式：enumrate()for k,v in enumerate(dict1): print(k, "---", v) """ 输出...