{"id":1121850,"date":"2025-01-08T19:14:07","date_gmt":"2025-01-08T11:14:07","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1121850.html"},"modified":"2025-01-08T19:14:11","modified_gmt":"2025-01-08T11:14:11","slug":"python%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e5%87%bd%e6%95%b0%e6%89%80%e5%9c%a8%e7%9a%84%e7%b1%bb%e5%90%8d","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1121850.html","title":{"rendered":"python\u5982\u4f55\u83b7\u53d6\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d"},"content":{"rendered":"

\"python\u5982\u4f55\u83b7\u53d6\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\"<\/p>\n

\u5728Python\u4e2d\u83b7\u53d6\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528__qualname__<\/code>\u5c5e\u6027\u3001\u901a\u8fc7\u7c7b\u88c5\u9970\u5668\u3001\u5229\u7528inspect<\/code>\u6a21\u5757\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c__qualname__<\/code>\u5c5e\u6027\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u63d0\u4f9b\u51fd\u6570\u7684\u9650\u5b9a\u540d\u79f0\uff0c\u5305\u62ec\u5b83\u6240\u5c5e\u7684\u7c7b\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001__qualname__<\/code>\u5c5e\u6027<\/h3>\n<\/p>\n

__qualname__<\/code>\u5c5e\u6027\u662fPython 3\u5f15\u5165\u7684\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u8868\u793a\u51fd\u6570\u6216\u65b9\u6cd5\u7684\u9650\u5b9a\u540d\u79f0\u3002\u5b83\u5305\u542b\u4e86\u51fd\u6570\u6240\u5728\u7684\u7c7b\u6216\u6a21\u5757\u7684\u5c42\u6b21\u7ed3\u6784\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u83b7\u53d6\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

class MyClass:<\/p>\n
    def my_method(self):<\/p>\n
        return self.__class__.__qualname__<\/p>\n
instance = MyClass()<\/p>\n
print(instance.my_method())  # \u8f93\u51fa MyClass.my_method<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u901a\u8fc7\u8bbf\u95eeself.__class__.__qualname__<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u65b9\u6cd5my_method<\/code>\u7684\u9650\u5b9a\u540d\u79f0MyClass.my_method<\/code>\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5229\u7528inspect<\/code>\u6a21\u5757<\/h3>\n<\/p>\n
Python\u7684inspect<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e9b\u6709\u7528\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u6765\u83b7\u53d6\u5173\u4e8e\u6d3b\u52a8\u5bf9\u8c61\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u7c7b\u3001\u65b9\u6cd5\u3001\u51fd\u6570\u3001\u6846\u67b6\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528inspect<\/code>\u6a21\u5757\u6765\u83b7\u53d6\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\u3002<\/p>\n<\/p>\n
import inspect<\/p>\n
class MyClass:<\/p>\n
    def my_method(self):<\/p>\n
        frame = inspect.currentframe()<\/p>\n
        outer_frames = inspect.getouterframes(frame)<\/p>\n
        for frame_info in outer_frames:<\/p>\n
            if 'self' in frame_info.frame.f_locals:<\/p>\n
                return frame_info.frame.f_locals['self'].__class__.__name__<\/p>\n
instance = MyClass()<\/p>\n
print(instance.my_method())  # \u8f93\u51fa MyClass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u7c7b\u88c5\u9970\u5668<\/h3>\n<\/p>\n
\u7c7b\u88c5\u9970\u5668\u662f\u4e00\u79cd\u9ad8\u7ea7\u7684\u7528\u6cd5\uff0c\u53ef\u4ee5\u5728\u7c7b\u5b9a\u4e49\u65f6\u5bf9\u7c7b\u8fdb\u884c\u4e00\u4e9b\u589e\u5f3a\u6216\u4fee\u6539\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7c7b\u88c5\u9970\u5668\u6765\u81ea\u52a8\u8bb0\u5f55\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\u3002<\/p>\n<\/p>\n
def class_decorator(cls):<\/p>\n
    for attr_name, attr_value in cls.__dict__.items():<\/p>\n
        if callable(attr_value):<\/p>\n
            setattr(cls, attr_name, classmethod(attr_value))<\/p>\n
    return cls<\/p>\n
@class_decorator<\/p>\n
class MyClass:<\/p>\n
    def my_method(cls):<\/p>\n
        return cls.__name__<\/p>\n
print(MyClass.my_method())  # \u8f93\u51fa MyClass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5143\u7c7b<\/h3>\n<\/p>\n
\u5143\u7c7b\u662f\u4e00\u79cd\u521b\u5efa\u7c7b\u7684\u201c\u7c7b\u201d\u3002\u901a\u8fc7\u81ea\u5b9a\u4e49\u5143\u7c7b\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u7c7b\u521b\u5efa\u65f6\u5bf9\u5176\u8fdb\u884c\u4e00\u4e9b\u64cd\u4f5c\uff0c\u4f8b\u5982\u8bb0\u5f55\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\u3002<\/p>\n<\/p>\n
class Meta(type):<\/p>\n
    def __new__(cls, name, bases, dct):<\/p>\n
        for key, value in dct.items():<\/p>\n
            if callable(value):<\/p>\n
                dct[key] = classmethod(value)<\/p>\n
        return super().__new__(cls, name, bases, dct)<\/p>\n
class MyClass(metaclass=Meta):<\/p>\n
    def my_method(cls):<\/p>\n
        return cls.__name__<\/p>\n
print(MyClass.my_method())  # \u8f93\u51fa MyClass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u95ed\u5305<\/h3>\n<\/p>\n
\u95ed\u5305\u662f\u4e00\u79cd\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u51fd\u6570\u7684\u53d8\u91cf\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u95ed\u5305\u6765\u8bb0\u5f55\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\u3002<\/p>\n<\/p>\n
def class_closure(cls):<\/p>\n
    def wrapper():<\/p>\n
        return cls.__name__<\/p>\n
    return wrapper<\/p>\n
class MyClass:<\/p>\n
    my_method = class_closure(MyClass)<\/p>\n
print(MyClass.my_method())  # \u8f93\u51fa MyClass<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u83b7\u53d6\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\uff0c\u5305\u62ec__qualname__<\/code>\u5c5e\u6027\u3001\u901a\u8fc7\u7c7b\u88c5\u9970\u5668\u3001\u5229\u7528inspect<\/code>\u6a21\u5757<\/strong>\u7b49\u3002__qualname__<\/code>\u5c5e\u6027\u662f\u6700\u76f4\u63a5\u548c\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u800cinspect<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u66f4\u590d\u6742\u7684\u573a\u666f\u3002\u7c7b\u88c5\u9970\u5668\u548c\u5143\u7c7b\u5219\u662f\u9ad8\u7ea7\u7528\u6cd5\uff0c\u9002\u5408\u6709\u7279\u5b9a\u9700\u6c42\u7684\u60c5\u51b5\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u9ad8\u6548\u3002<\/strong><\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u627e\u5230\u4e00\u4e2a\u51fd\u6570\u6240\u5c5e\u7684\u7c7b\u7684\u540d\u79f0\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7__class__<\/code>\u5c5e\u6027\u6765\u83b7\u53d6\u4e00\u4e2a\u65b9\u6cd5\u6240\u5c5e\u7684\u7c7b\u540d\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u53ef\u4ee5\u5728\u7c7b\u7684\u65b9\u6cd5\u5185\u90e8\u4f7f\u7528self.__class__.__name__<\/code>\u6765\u83b7\u53d6\u7c7b\u540d\u3002\u8fd9\u79cd\u65b9\u5f0f\u5728\u4efb\u4f55\u5b9e\u4f8b\u65b9\u6cd5\u4e2d\u90fd\u80fd\u6709\u6548\u5de5\u4f5c\u3002<\/p>\n
\u662f\u5426\u53ef\u4ee5\u5728\u7c7b\u5916\u90e8\u83b7\u53d6\u4e00\u4e2a\u51fd\u6570\u7684\u7c7b\u540d\uff1f<\/strong>
\u662f\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u51fd\u6570\u7684__qualname__<\/code>\u5c5e\u6027\u6765\u83b7\u53d6\u5b83\u7684\u5b8c\u6574\u9650\u5b9a\u540d\u79f0\uff0c\u5305\u62ec\u5b83\u6240\u5c5e\u7684\u7c7b\u7684\u540d\u79f0\u3002\u53ef\u4ee5\u901a\u8fc7my_class_instance.my_method.__qualname__<\/code>\u6765\u5b9e\u73b0\uff0c\u5176\u4e2dmy_class_instance<\/code>\u662f\u7c7b\u7684\u5b9e\u4f8b\uff0cmy_method<\/code>\u662f\u7c7b\u4e2d\u7684\u65b9\u6cd5\u3002<\/p>\n
\u83b7\u53d6\u7c7b\u540d\u7684\u5176\u4ed6\u65b9\u6cd5\u6709\u54ea\u4e9b\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528__class__<\/code>\u548c__qualname__<\/code>\uff0c\u8fd8\u53ef\u4ee5\u5229\u7528inspect<\/code>\u6a21\u5757\u4e2d\u7684getmembers<\/code>\u51fd\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u4f60\u83b7\u53d6\u7c7b\u4e2d\u7684\u6240\u6709\u6210\u5458\uff0c\u5305\u62ec\u65b9\u6cd5\uff0c\u4ece\u800c\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u8fd9\u4e9b\u6210\u5458\u6765\u67e5\u627e\u7279\u5b9a\u65b9\u6cd5\u5e76\u83b7\u53d6\u5b83\u4eec\u7684\u7c7b\u540d\u3002<\/p>\n
\u662f\u5426\u6709\u4f8b\u5b50\u5c55\u793a\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e9b\u65b9\u6cd5\uff1f<\/strong>
\u5f53\u7136\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a  <\/p>\n
class MyClass:\n    def my_method(self):\n        print("Class name:", self.__class__.__name__)\n\ninstance = MyClass()\ninstance.my_method()  # \u8f93\u51fa\uff1aClass name: MyClass\n\nprint(MyClass.my_method.__qualname__)  # \u8f93\u51fa\uff1aMyClass.my_method\n<\/code><\/pre>\n
\u8fd9\u4e2a\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5728\u65b9\u6cd5\u5185\u90e8\u548c\u7c7b\u5916\u90e8\u83b7\u53d6\u7c7b\u540d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u83b7\u53d6\u51fd\u6570\u6240\u5728\u7684\u7c7b\u540d\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528__qualname__\u5c5e\u6027\u3001\u901a\u8fc7\u7c7b\u88c5\u9970\u5668\u3001\u5229\u7528inspect […]","protected":false},"author":3,"featured_media":1121861,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1121850"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1121850"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1121850\/revisions"}],"predecessor-version":[{"id":1121862,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1121850\/revisions\/1121862"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1121861"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1121850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1121850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1121850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}