![\"python\u5982\u4f55\u521b\u5efaclass\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25074934\/7b3c1752-c774-4d6c-9c3a-160605c67041.webp\")
<\/p>\n<\/p>\n
\u4e00\u3001\u521b\u5efaPython\u7c7b\u7684\u6b65\u9aa4<\/p>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u7c7b\u975e\u5e38\u7b80\u5355\u3002\u9996\u5148\uff0c\u4f7f\u7528\u5173\u952e\u8bcd pass<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5173\u952e\u8bcd def __init__(self, attribute1, attribute2):<\/p>\n self.attribute1 = attribute1<\/p>\n self.attribute2 = attribute2<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c <\/code><\/pre>\n<\/p>\n \u8fd9\u91cc\uff0c <\/code><\/pre>\n<\/p>\n def method(self):<\/p>\n print("Parent method")<\/p>\n class ChildClass(ParentClass):<\/p>\n def method(self):<\/p>\n print("Child method")<\/p>\n parent = ParentClass()<\/p>\n child = ChildClass()<\/p>\n parent.method() # \u8f93\u51fa: Parent method<\/p>\n child.method() # \u8f93\u51fa: Child method<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u4e8c\u3001\u7c7b\u7684\u5c5e\u6027\u4e0e\u65b9\u6cd5<\/p>\n<\/p>\n \u5728Python\u7c7b\u4e2d\uff0c\u5c5e\u6027\u548c\u65b9\u6cd5\u662f\u4e24\u4e2a\u91cd\u8981\u7684\u7ec4\u6210\u90e8\u5206\u3002\u5c5e\u6027\u662f\u7c7b\u7684\u53d8\u91cf\uff0c\u7528\u4e8e\u5b58\u50a8\u7c7b\u7684\u72b6\u6001\u4fe1\u606f\uff1b\u65b9\u6cd5\u662f\u7c7b\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u5b9a\u4e49\u7c7b\u7684\u884c\u4e3a\u3002<\/p>\n<\/p>\n class_attribute = 'class_value'<\/p>\n def __init__(self, instance_value):<\/p>\n self.instance_attribute = instance_value<\/p>\n my_object1 = MyClass('instance_value1')<\/p>\n my_object2 = MyClass('instance_value2')<\/p>\n print(MyClass.class_attribute) # \u8f93\u51fa: class_value<\/p>\n print(my_object1.instance_attribute) # \u8f93\u51fa: instance_value1<\/p>\n print(my_object2.instance_attribute) # \u8f93\u51fa: instance_value2<\/p>\n <\/code><\/pre>\n<\/p>\n def method(self):<\/p>\n print("This is a method.")<\/p>\n my_object = MyClass()<\/p>\n my_object.method() # \u8f93\u51fa: This is a method.<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e09\u3001\u7c7b\u7684\u7279\u6b8a\u65b9\u6cd5\u4e0e\u8fd0\u7b97\u7b26\u91cd\u8f7d<\/p>\n<\/p>\n Python\u652f\u6301\u7279\u6b8a\u65b9\u6cd5\u548c\u8fd0\u7b97\u7b26\u91cd\u8f7d\uff0c\u4f7f\u7c7b\u7684\u884c\u4e3a\u66f4\u5177\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n def __init__(self, value):<\/p>\n self.value = value<\/p>\n def __str__(self):<\/p>\n return f"MyClass with value: {self.value}"<\/p>\n my_object = MyClass('example')<\/p>\n print(my_object) # \u8f93\u51fa: MyClass with value: example<\/p>\n <\/code><\/pre>\n<\/p>\n def __init__(self, x, y):<\/p>\n self.x = x<\/p>\n self.y = y<\/p>\n def __add__(self, other):<\/p>\n return Vector(self.x + other.x, self.y + other.y)<\/p>\n vector1 = Vector(1, 2)<\/p>\n vector2 = Vector(3, 4)<\/p>\n result = vector1 + vector2<\/p>\n print(result.x, result.y) # \u8f93\u51fa: 4 6<\/p>\n <\/code><\/pre>\n<\/p>\n \u56db\u3001\u7c7b\u7684\u7ee7\u627f\u4e0e\u591a\u6001<\/p>\n<\/p>\n \u7ee7\u627f\u548c\u591a\u6001\u662f\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u91cd\u8981\u7279\u6027\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n def speak(self):<\/p>\n print("Animal speaks")<\/p>\n class Dog(Animal):<\/p>\n def speak(self):<\/p>\n print("Dog barks")<\/p>\n dog = Dog()<\/p>\n dog.speak() # \u8f93\u51fa: Dog barks<\/p>\n <\/code><\/pre>\n<\/p>\n def speak(self):<\/p>\n print("Cat meows")<\/p>\n animals = [Dog(), Cat()]<\/p>\n for animal in animals:<\/p>\n animal.speak()<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e94\u3001Python\u4e2d\u7684\u7c7b\u88c5\u9970\u5668\u4e0e\u5143\u7c7b<\/p>\n<\/p>\n \u5728Python\u4e2d\uff0c\u7c7b\u88c5\u9970\u5668\u548c\u5143\u7c7b\u662f\u9ad8\u7ea7\u7279\u6027\uff0c\u7528\u4e8e\u4fee\u6539\u7c7b\u7684\u884c\u4e3a\u3002<\/p>\n<\/p>\n cls.decorated = True<\/p>\n return cls<\/p>\n @class_decorator<\/p>\n class MyClass:<\/p>\n pass<\/p>\n print(MyClass.decorated) # \u8f93\u51fa: True<\/p>\n <\/code><\/pre>\n<\/p>\n def __new__(cls, name, bases, dct):<\/p>\n dct['created_by_meta'] = True<\/p>\n return super().__new__(cls, name, bases, dct)<\/p>\n class MyClass(metaclass=Meta):<\/p>\n pass<\/p>\n print(MyClass.created_by_meta) # \u8f93\u51fa: True<\/p>\n <\/code><\/pre>\n<\/p>\n \u901a\u8fc7\u4ee5\u4e0a\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u8be6\u7ec6\u8bb2\u89e3\u4e86Python\u4e2d\u521b\u5efa\u7c7b\u7684\u57fa\u672c\u6b65\u9aa4\u3001\u5c5e\u6027\u4e0e\u65b9\u6cd5\u3001\u7279\u6b8a\u65b9\u6cd5\u4e0e\u8fd0\u7b97\u7b26\u91cd\u8f7d\u3001\u7ee7\u627f\u4e0e\u591a\u6001\u4ee5\u53ca\u7c7b\u88c5\u9970\u5668\u4e0e\u5143\u7c7b\u3002\u5e0c\u671b\u80fd\u5e2e\u52a9\u60a8\u6df1\u5165\u7406\u89e3Python\u7c7b\u7684\u521b\u5efa\u548c\u4f7f\u7528\u3002<\/p>\n<\/p>\n \u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff1f<\/strong> \u901a\u8fc7\u8fd9\u4e2a\u793a\u4f8b\uff0c\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7c7b\u5e76\u4e3a\u5176\u6dfb\u52a0\u5c5e\u6027\u3002<\/p>\n \u5728Python\u7c7b\u4e2d\u5982\u4f55\u6dfb\u52a0\u65b9\u6cd5\uff1f<\/strong> \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c \u5982\u4f55\u5728Python\u4e2d\u5b9e\u4f8b\u5316\u4e00\u4e2a\u7c7b\uff1f<\/strong> \u901a\u8fc7\u8fd9\u4e2a\u793a\u4f8b\uff0c\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u5e76\u8c03\u7528\u5176\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001\u521b\u5efaPython\u7c7b\u7684\u6b65\u9aa4 \u5728Python\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u7c7b\u975e\u5e38\u7b80\u5355\u3002\u9996\u5148\uff0c\u4f7f\u7528\u5173\u952e\u8bcdclass\uff0c\u7136\u540e\u7d27\u8ddf\u7c7b\u540d\u4ee5 […]","protected":false},"author":3,"featured_media":940256,"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\/940255"}],"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=940255"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940255\/revisions"}],"predecessor-version":[{"id":940257,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940255\/revisions\/940257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/940256"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=940255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=940255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=940255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}class<\/code>\uff0c\u7136\u540e\u7d27\u8ddf\u7c7b\u540d\u4ee5\u53ca\u4e00\u4e2a\u5192\u53f7\u3002\u7c7b\u540d\u901a\u5e38\u9075\u5faa\u5927\u5199\u5b57\u6bcd\u5f00\u5934\u7684\u547d\u540d\u60ef\u4f8b\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u533a\u5206\u3002\u6b64\u5916\uff0c\u7c7b\u4e2d\u53ef\u4ee5\u5305\u542b\u5c5e\u6027\uff08\u53d8\u91cf\uff09\u548c\u65b9\u6cd5\uff08\u51fd\u6570\uff09\u3002\u5b9a\u4e49\u7c7b\u3001\u521d\u59cb\u5316\u6784\u9020\u51fd\u6570\u3001\u5b9e\u4f8b\u5316\u5bf9\u8c61\u3001\u8bbf\u95ee\u5c5e\u6027\u548c\u65b9\u6cd5\u3001\u7ee7\u627f\u4e0e\u591a\u6001<\/strong>\u662f\u521b\u5efa\u548c\u4f7f\u7528\u7c7b\u7684\u57fa\u672c\u6b65\u9aa4\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u6b65\u9aa4\u3002<\/p>\n<\/p>\n\n
\u521b\u5efa\u4e00\u4e2a\u7c7b\u9700\u8981\u4f7f\u7528\u5173\u952e\u8bcdclass<\/code>\u3002\u7c7b\u540d\u901a\u5e38\u4ee5\u5927\u5199\u5b57\u6bcd\u5f00\u5934\uff0c\u8fd9\u662fPython\u7684\u60ef\u4f8b\u3002\u7c7b\u4e2d\u53ef\u4ee5\u5b9a\u4e49\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u5c5e\u6027\u662f\u7c7b\u7684\u53d8\u91cf\uff0c\u7528\u4e8e\u5b58\u50a8\u7c7b\u7684\u72b6\u6001\u4fe1\u606f\uff1b\u65b9\u6cd5\u662f\u7c7b\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u5b9a\u4e49\u7c7b\u7684\u884c\u4e3a\u3002<\/li>\n<\/ol>\nclass MyClass:<\/p>\nclass<\/code>\u548c\u7c7b\u540dMyClass<\/code>\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b\u3002pass<\/code>\u662f\u4e00\u4e2a\u5360\u4f4d\u7b26\uff0c\u8868\u793a\u8fd9\u4e2a\u7c7b\u5f53\u524d\u6ca1\u6709\u4efb\u4f55\u5185\u5bb9\u3002<\/p>\n<\/p>\n\n
\u6bcf\u4e2a\u7c7b\u4e2d\u90fd\u6709\u4e00\u4e2a\u7279\u6b8a\u7684\u65b9\u6cd5__init__<\/code>\uff0c\u79f0\u4e3a\u6784\u9020\u51fd\u6570\u3002\u5b83\u5728\u7c7b\u5b9e\u4f8b\u5316\u65f6\u81ea\u52a8\u8c03\u7528\uff0c\u7528\u4e8e\u521d\u59cb\u5316\u7c7b\u7684\u5c5e\u6027\u3002<\/li>\n<\/ol>\nclass MyClass:<\/p>\n__init__<\/code>\u65b9\u6cd5\u63a5\u6536\u4e24\u4e2a\u53c2\u6570attribute1<\/code>\u548cattribute2<\/code>\uff0c\u5e76\u5c06\u5b83\u4eec\u8d4b\u503c\u7ed9\u5b9e\u4f8b\u7684\u5c5e\u6027self.attribute1<\/code>\u548cself.attribute2<\/code>\u3002<\/p>\n<\/p>\n\n
\u5b9e\u4f8b\u5316\u662f\u521b\u5efa\u7c7b\u7684\u5b9e\u4f8b\uff08\u5bf9\u8c61\uff09\u7684\u8fc7\u7a0b\u3002\u901a\u8fc7\u8c03\u7528\u7c7b\u540d\u5e76\u4f20\u9012\u5fc5\u8981\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u5b9e\u4f8b\u5316\u4e00\u4e2a\u5bf9\u8c61\u3002<\/li>\n<\/ol>\nmy_object = MyClass('value1', 'value2')<\/p>\nmy_object<\/code>\u662f\u7c7bMyClass<\/code>\u7684\u4e00\u4e2a\u5b9e\u4f8b\uff0c'value1'<\/code>\u548c'value2'<\/code>\u662f\u4f20\u9012\u7ed9__init__<\/code>\u65b9\u6cd5\u7684\u53c2\u6570\u3002<\/p>\n<\/p>\n\n
\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u8bbf\u95ee\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f7f\u7528\u70b9\u53f7.<\/code>\u64cd\u4f5c\u7b26\u53ef\u4ee5\u8bbf\u95ee\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/li>\n<\/ol>\nprint(my_object.attribute1) # \u8f93\u51fa: value1<\/p>\n\n
\u7ee7\u627f\u5141\u8bb8\u4e00\u4e2a\u7c7b\uff08\u5b50\u7c7b\uff09\u4ece\u53e6\u4e00\u4e2a\u7c7b\uff08\u7236\u7c7b\uff09\u7ee7\u627f\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4ece\u800c\u5b9e\u73b0\u4ee3\u7801\u7684\u91cd\u7528\u3002\u591a\u6001\u5141\u8bb8\u4e0d\u540c\u7684\u7c7b\u4ee5\u76f8\u540c\u7684\u63a5\u53e3\u6267\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ol>\nclass ParentClass:<\/p>\nChildClass<\/code>\u7ee7\u627f\u4e86ParentClass<\/code>\uff0c\u5e76\u91cd\u5199\u4e86method<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n\n
\u7c7b\u5c5e\u6027\u662f\u7c7b\u7ea7\u522b\u7684\u5c5e\u6027\uff0c\u7531\u6240\u6709\u7c7b\u7684\u5b9e\u4f8b\u5171\u4eab\u3002\u5b9e\u4f8b\u5c5e\u6027\u662f\u5b9e\u4f8b\u7ea7\u522b\u7684\u5c5e\u6027\uff0c\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u6709\u72ec\u7acb\u7684\u5b9e\u4f8b\u5c5e\u6027\u3002<\/li>\n<\/ol>\nclass MyClass:<\/p>\n\n
\u7c7b\u4e2d\u7684\u65b9\u6cd5\u662f\u5b9a\u4e49\u7c7b\u7684\u884c\u4e3a\u7684\u51fd\u6570\u3002\u5728\u65b9\u6cd5\u5b9a\u4e49\u65f6\uff0c\u5fc5\u987b\u5305\u542bself<\/code>\u53c2\u6570\uff0c\u5b83\u4ee3\u8868\u7c7b\u7684\u5b9e\u4f8b\u3002<\/li>\n<\/ol>\nclass MyClass:<\/p>\n\n
\u7279\u6b8a\u65b9\u6cd5\u662f\u4ee5\u53cc\u4e0b\u5212\u7ebf\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982__init__<\/code>\u3001__str__<\/code>\u3001__repr__<\/code>\u7b49\u3002\u5b83\u4eec\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u4f1a\u88ab\u81ea\u52a8\u8c03\u7528\u3002<\/li>\n<\/ol>\nclass MyClass:<\/p>\n\n
\u8fd0\u7b97\u7b26\u91cd\u8f7d\u5141\u8bb8\u7c7b\u5b9a\u4e49\u5bf9\u7279\u5b9a\u8fd0\u7b97\u7b26\u7684\u884c\u4e3a\u3002\u901a\u8fc7\u5b9a\u4e49\u7279\u6b8a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6539\u53d8\u7c7b\u5b9e\u4f8b\u5728\u4f7f\u7528\u8fd0\u7b97\u7b26\u65f6\u7684\u884c\u4e3a\u3002<\/li>\n<\/ol>\nclass Vector:<\/p>\n\n
\u901a\u8fc7\u7ee7\u627f\uff0c\u4e00\u4e2a\u7c7b\u53ef\u4ee5\u7ee7\u627f\u53e6\u4e00\u4e2a\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/li>\n<\/ol>\nclass Animal:<\/p>\n\n
\u591a\u6001\u5141\u8bb8\u4e0d\u540c\u7684\u7c7b\u5b9e\u73b0\u76f8\u540c\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u53ef\u4ee5\u901a\u8fc7\u76f8\u540c\u7684\u63a5\u53e3\u8c03\u7528\u4e0d\u540c\u7c7b\u7684\u65b9\u6cd5\u3002<\/li>\n<\/ol>\nclass Cat(Animal):<\/p>\n\u8f93\u51fa:<\/strong><\/h2>\n
Dog barks<\/strong><\/h2>\n
Cat meows<\/strong><\/h2>\n
\n
\u7c7b\u88c5\u9970\u5668\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u4fee\u6539\u7c7b\u7684\u5b9a\u4e49\u3002\u901a\u8fc7\u7c7b\u88c5\u9970\u5668\uff0c\u53ef\u4ee5\u5728\u7c7b\u5b9a\u4e49\u4e4b\u540e\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002<\/li>\n<\/ol>\ndef class_decorator(cls):<\/p>\n\n
\u5143\u7c7b\u662f\u7528\u4e8e\u521b\u5efa\u7c7b\u7684\u7c7b\u3002\u901a\u8fc7\u5143\u7c7b\uff0c\u53ef\u4ee5\u63a7\u5236\u7c7b\u7684\u521b\u5efa\u8fc7\u7a0b\u3002<\/li>\n<\/ol>\nclass Meta(type):<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5173\u952e\u5b57class<\/code>\u6765\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u3002\u7c7b\u7684\u57fa\u672c\u7ed3\u6784\u5305\u62ec\u7c7b\u540d\u548c\u6784\u9020\u51fd\u6570\u3002\u6784\u9020\u51fd\u6570\u901a\u5e38\u4e3a__init__<\/code>\uff0c\u7528\u4e8e\u521d\u59cb\u5316\u7c7b\u7684\u5c5e\u6027\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a <\/p>\nclass MyClass:\n def __init__(self, value):\n self.value = value\n<\/code><\/pre>\n
\u65b9\u6cd5\u662f\u5728\u7c7b\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\uff0c\u5141\u8bb8\u5bf9\u7c7b\u7684\u5c5e\u6027\u8fdb\u884c\u64cd\u4f5c\u3002\u53ef\u4ee5\u5728\u7c7b\u5185\u90e8\u5b9a\u4e49\u65b9\u6cd5\uff0c\u5e76\u901a\u8fc7self<\/code>\u53c2\u6570\u8bbf\u95ee\u7c7b\u7684\u5c5e\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a <\/p>\nclass MyClass:\n def __init__(self, value):\n self.value = value\n\n def display_value(self):\n print(self.value)\n<\/code><\/pre>\ndisplay_value<\/code>\u65b9\u6cd5\u7528\u6765\u6253\u5370\u7c7b\u7684\u5c5e\u6027value<\/code>\u3002<\/p>\n
\u5b9e\u4f8b\u5316\u7c7b\u662f\u901a\u8fc7\u8c03\u7528\u7c7b\u540d\u5e76\u4f20\u9012\u6240\u9700\u53c2\u6570\u6765\u5b9e\u73b0\u7684\u3002\u521b\u5efa\u5b9e\u4f8b\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b9e\u4f8b\u8bbf\u95ee\u7c7b\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a <\/p>\nobj = MyClass(10)\nobj.display_value() # \u8f93\u51fa\uff1a10\n<\/code><\/pre>\n