{"id":2022,"date":"2025-04-08T09:54:57","date_gmt":"2025-04-08T01:54:57","guid":{"rendered":"http:\/\/blue.yn.cn\/?p=2022"},"modified":"2025-06-02T10:40:43","modified_gmt":"2025-06-02T02:40:43","slug":"%e8%af%ad%e6%b3%95%e8%bf%9b%e9%98%b6","status":"publish","type":"post","link":"http:\/\/blue.yn.cn\/?p=2022","title":{"rendered":"\u8bed\u6cd5\u8fdb\u9636"},"content":{"rendered":"

\u7c7b\u3001\u5bf9\u8c61<\/h3>\n
# \u9762\u5411\u5bf9\u8c61\u548c\u9762\u5411\u8fc7\u7a0b\u7684\u533a\u522b\n# \u9762\u5411\u8fc7\u7a0b\uff08\u624b\u6d17\uff09\uff1a\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\u7684\u65f6\u5019\uff0c\u7740\u91cd\u7684\u662f\u8fc7\u7a0b\uff0c\u5206\u6790\u51fa\u4e00\u4e2a\u4e2a\u6b65\u9aa4\uff0c\n# \u5e76\u628a\u4e00\u4e2a\u4e2a\u6b65\u9aa4\u7528\u4e00\u4e2a\u4e2a\u51fd\u6570\u5b9e\u73b0\uff0c\u518d\u4f9d\u6b21\u53bb\u8c03\u7528\u4e00\u4e2a\u4e2a\u51fd\u6570\u5373\u53ef\uff08\u6bcf\u4e00\u4e2a\u6b65\u9aa4\u90fd\u9700\u8981\u81ea\u5df1\u4eb2\u529b\u4eb2\u4e3a\uff09\n# \u9762\u5411\u5bf9\u8c61\uff08\u673a\u6d17\uff09\uff1a\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\u7684\u65f6\u5019\uff0c\u7740\u91cd\u7684\u662f\u8c01\u53bb\u5e2e\u6211\u505a\u8fd9\u4ef6\u4e8b\u60c5\uff08\u5077\u61d2\uff0c\u627e\u522b\u4eba\u5e2e\u6211\u505a\uff09\n\n# \u7c7b\u548c\u5bf9\u8c61\n# \u7c7b\u5c31\u662f\u4e00\u7cfb\u5217\u5177\u6709\u76f8\u540c\u5c5e\u6027\u548c\u884c\u4e3a\u7684\u4e8b\u7269\u7684\u7edf\u79f0\uff0c\u4e0d\u662f\u771f\u5b9e\u5b58\u5728\u7684\u4e8b\u7269\n# \u5bf9\u8c61\u662f\u7c7b\u7684\u5177\u4f53\u5b9e\u73b0\uff0c\u662f\u7c7b\u521b\u5efa\u51fa\u6765\u7684\u771f\u5b9e\u5b58\u5728\u7684\u4e8b\u7269\uff0c\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u7684\u6838\u5fc3\u3002\n# \u5728\u5f00\u53d1\u4e2d\uff0c\u5148\u6709\u7c7b\uff0c\u518d\u6709\u5bf9\u8c61\n\n# \u7c7b\u7684\u4e09\u8981\u7d20\n# 1.\u7c7b\u540d\n# 2.\u5c5e\u6027\uff1a\u5bf9\u8c61\u7684\u7279\u5f81\u63cf\u8ff0\uff0c\u7528\u6765\u8bf4\u660e\u662f\u4ec0\u4e48\u6837\u5b50\u7684\n# 3.\u65b9\u6cd5\uff1a\u5bf9\u8c61\u5177\u6709\u7684\u529f\u80fd\uff08\u884c\u4e3a\uff09\uff0c\u7528\u6765\u8bf4\u660e\u80fd\u591f\u505a\u4ec0\u4e48\n\n# \u5b9a\u4e49\u7c7b\n# \u57fa\u672c\u683c\u5f0f\n# class \u7c7b\u540d\uff1a\u5fc5\u987b\u7b26\u5408\u6807\u8bc6\u7b26\u89c4\u5b9a\uff0c\u540c\u65f6\u9075\u5faa\u5927\u9a7c\u5cf0\u547d\u540d\u6cd5\uff0c\u89c1\u540d\u77e5\u4e49\n# \u4ee3\u7801\u5757\n# \u6d17\u8863\u673a\u7c7b\nclass Washer:\n    height = 800  # \u7c7b\u5c5e\u6027\uff1a\u5c31\u662f\u7c7b\u6240\u62e5\u6709\u7684\u5c5e\u6027\n# \u67e5\u770b\u7c7b\u5c5e\u6027\uff1a\u7c7b\u540d.\u5c5e\u6027\u540d\nprint(Washer.height)\n# \u65b0\u589e\u7c7b\u5c5e\u6027\uff1a\u7c7b\u540d.\u5c5e\u6027\u540d = \u503c\nWasher.width = 450\nprint(Washer.width)\n# \u521b\u5efa\u5bf9\u8c61\n# \u521b\u5efa\u5bf9\u8c61\u7684\u8fc7\u7a0b\u4e5f\u53eb\u505a\u5b9e\u4f8b\u5316\u5bf9\u8c61\n# \u5b9e\u4f8b\u5316\u5bf9\u8c61\u7684\u57fa\u672c\u683c\u5f0f\uff1a\u5bf9\u8c61\u540d = \u7c7b\u540d()\n# \u5b9e\u4f8b\u5316\u4e00\u4e2a\u6d17\u8863\u673a\u5bf9\u8c61\nwa = Washer()\nprint(wa)  # \u663e\u793a\u7684\u662f\u5bf9\u8c61\u5728\u5185\u5b58\u4e2d\u7684\u5730\u5740\n# \u7b2c\u4e8c\u6b21\u5b9e\u4f8b\u5316\nwa2 = Washer()\nprint(wa2)\n# \u5185\u5b58\u5730\u5740\u4e0d\u4e00\u6837\uff0c\u8bf4\u660e\u662f\u4e0d\u540c\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u5b9e\u4f8b\u5316\u591a\u4e2a\u5bf9\u8c61\n800\n450\n<__main__.Washer object at 0x000001DF02823A00>\n<__main__.Washer object at 0x000001DF028239D0><\/code><\/pre>\n
# \u5b9e\u4f8b\u65b9\u6cd5\u548c\u5b9e\u4f8b\u5c5e\u6027\n# \u5b9e\u4f8b\u65b9\u6cd5\n# \u7531\u5bf9\u8c61\u8c03\u7528\uff0c\u81f3\u5c11\u6709\u4e00\u4e2aself\u53c2\u6570\uff0c\u6267\u884c\u5b9e\u4f8b\u5316\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u81ea\u52a8\u5c06\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u5bf9\u8c61\u8d4b\u503c\u7ed9self\nclass Washer:\n    height = 800  # \u7c7b\u5c5e\u6027\n    def wash(self): # self\u53c2\u6570\u662f\u7c7b\u4e2d\u5b9e\u4f8b\u65b9\u6cd5\u5fc5\u987b\u5177\u5907\u7684\n        print("\u6211\u4f1a\u6d17\u8863\u670d")\n        print("\u65b9\u6cd5\u4e2d\u7684self:",self)  # self\u8868\u793a\u5f53\u524d\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u5bf9\u8c61\n# \u5b9e\u4f8b\u5316\u5bf9\u8c61\nwa = Washer()\nprint("wa:",wa)\n# \u5bf9\u8c61\u8c03\u7528\u7c7b\u4e2d\u7684\u65b9\u6cd5\nwa.wash()\nwa2 = Washer()\nprint("wa2:",wa2)\nwa2.wash()\n# self\u4ee3\u8868\u5bf9\u8c61\u672c\u8eab\uff0c\u5f53\u5bf9\u8c61\u8c03\u7528\u5b9e\u4f8b\u65b9\u6cd5\u65f6\uff0cpython\u4f1a\u81ea\u52a8\u5c06\u5bf9\u8c61\u672c\u8eab\u7684\u5f15\u7528\u4f5c\u4e3a\u53c2\u6570\uff0c\u4f20\u9012\u5230\u5b9e\u4f8b\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570self\u91cc\u9762\nwa: <__main__.Washer object at 0x000001388414BFD0>\n\u6211\u4f1a\u6d17\u8863\u670d\n\u65b9\u6cd5\u4e2d\u7684self: <__main__.Washer object at 0x000001388414BFD0>\nwa2: <__main__.Washer object at 0x000001388414BEE0>\n\u6211\u4f1a\u6d17\u8863\u670d\n\u65b9\u6cd5\u4e2d\u7684self: <__main__.Washer object at 0x000001388414BEE0><\/code><\/pre>\n
# \u5b9e\u4f8b\u5c5e\u6027\n# \u683c\u5f0f\uff1aself.\u5c5e\u6027\u540d\nclass Person:\n    name = "bingbing"\n    def introduce(self):\n        print("\u6211\u662f\u5b9e\u4f8b\u65b9\u6cd5")\n        # self.age\u662f\u5b9e\u4f8b\u5c5e\u6027\n        print(f"{Person.name}\u7684\u5e74\u9f84\uff1a{self.age}")\npe = Person()\npe.age = 18\npe.sex = '\u5973'  # \u65b0\u589e\u5b9e\u4f8b\u5c5e\u6027\uff0c\u662f\u7ed9pe\u5bf9\u8c61\u65b0\u589e\u7684\u5b9e\u4f8b\u5c5e\u6027\uff0c\u5176\u4ed6\u5bf9\u8c61\u4f9d\u7136\u662f\u6ca1\u6709\u8fd9\u4e2a\u5c5e\u6027\u7684\nprint(pe.sex)  # \u6839\u636e\u5bf9\u8c61\u540d\u8bbf\u95ee\u5b9e\u4f8b\u5c5e\u6027\npe.introduce()\n# \u5b9e\u4f8b\u5c5e\u6027\u548c\u7c7b\u5c5e\u6027\u7684\u533a\u522b\n# \u7c7b\u5c5e\u6027\u5c5e\u4e8e\u7c7b\uff0c\u662f\u516c\u5171\u7684\uff0c\u5927\u5bb6\u90fd\u80fd\u8bbf\u95ee\u5230\uff0c\u5b9e\u4f8b\u5c5e\u6027\u5c5e\u4e8e\u5bf9\u8c61\u7684\uff0c\u662f\u79c1\u6709\u7684\n# \u53ea\u5b9e\u4f8b\u5c5e\u6027\u53ea\u80fd\u7531\u5bf9\u8c61\u540d\u8bbf\u95ee\uff0c\u4e0d\u80fd\u7531\u7c7b\u540d\u8bbf\u95ee\n# \u8bbf\u95ee\u7c7b\u5c5e\u6027\uff0c\u7c7b\u53ef\u4ee5\u8bbf\u95ee\u5230\uff0c\u5b9e\u4f8b\u5bf9\u8c61\u4e5f\u53ef\u4ee5\u8bbf\u95ee\u5230\nprint(Person.name)\nprint(pe.name)\n# \u6bcf\u5b9e\u4f8b\u5316\u4e00\u6b21\u5c31\u9700\u8981\u6dfb\u52a0\u4e00\u6b21\uff0c\u6548\u7387\u4e0d\u9ad8\n\u5973\n\u6211\u662f\u5b9e\u4f8b\u65b9\u6cd5\nbingbing\u7684\u5e74\u9f84\uff1a18\nbingbing\nbingbing<\/code><\/pre>\n
\u6784\u9020\u51fd\u6570<\/h3>\n
# \u6784\u9020\u51fd\u6570__init__()\n# \u4f5c\u7528\uff1a\u901a\u5e38\u7528\u6765\u505a\u5c5e\u6027\u521d\u59cb\u5316\u6216\u8005\u8d4b\u503c\u64cd\u4f5c\n# \u6ce8\u610f\uff1a\u5728\u7c7b\u5b9e\u4f8b\u5316\u5bf9\u8c61\u7684\u65f6\u5019\uff0c\u4f1a\u88ab\u81ea\u52a8\u8c03\u7528\nclass Test:\n    def __init__(self):  # \u5b9e\u4f8b\u65b9\u6cd5\n        print("\u8fd9\u662f__int__()\u51fd\u6570")\n# \u5b9e\u4f8b\u5316\u5bf9\u8c61\uff1a\u5bf9\u8c61\u540d = \u7c7b\u540d()\nte = Test()\nclass Person:\n    def __init__(self, name, age,height):\n        self.name = name  # \u5b9e\u4f8b\u5c5e\u6027\n        self.age = age\n        self.height = height\n    def play(self):\n        print(f'{self.name}\u5728\u6253\u738b\u8005\u8363\u8000')\n    def introduce(self):\n        print(f'{self.name}\u7684\u5e74\u9f84\u662f{self.age}\uff0c\u8eab\u9ad8\u662f{self.height}cm')\n# \u5b9e\u4f8b\u5316\u5bf9\u8c61\npe = Person('bingbing',18,183)\npe.play()\npe.introduce()\n# \u5b9e\u4f8b\u5316\u7b2c\u4e8c\u4e2a\u5bf9\u8c61\npe2 = Person('ziyi',18,168)\npe2.play()\npe2.introduce()\n\u8fd9\u662f__int__()\u51fd\u6570\nbingbing\u5728\u6253\u738b\u8005\u8363\u8000\nbingbing\u7684\u5e74\u9f84\u662f18\uff0c\u8eab\u9ad8\u662f183cm\nziyi\u5728\u6253\u738b\u8005\u8363\u8000\nziyi\u7684\u5e74\u9f84\u662f18\uff0c\u8eab\u9ad8\u662f168cm<\/code><\/pre>\n
\u6790\u6784\u51fd\u6570<\/h3>\n
# \u6790\u6784\u51fd\u6570 __del__()\n# \u5220\u9664\u5bf9\u8c61\u7684\u65f6\u5019\uff0c\u89e3\u91ca\u5668\u4f1a\u9ed8\u8ba4\u8c03\u7528 __del__()\u65b9\u6cd5\nclass Person:\n    def __init__(self):\n        print("\u6211\u662f__init__()")\n    def __del__(self):\n        print("\u88ab\u9500\u6bc1\u4e86")\np = Person()\ndel p  # \u5220\u9664p\u8fd9\u4e2a\u5bf9\u8c61\n# del p\u8bed\u53e5\u6267\u884c\u7684\u65f6\u5019\uff0c\u5185\u5b58\u4f1a\u7acb\u5373\u88ab\u56de\u6536\uff0c\u4f1a\u8c03\u7528\u5bf9\u8c61\u672c\u8eab\u7684__del__()\u65b9\u6cd5\nprint("\u8fd9\u662f\u6700\u540e\u4e00\u884c\u4ee3\u7801")\n# \u6b63\u5e38\u8fd0\u884c\u65f6\uff0c\u4e0d\u4f1a\u8c03\u7528__del__()\uff0c\u5bf9\u8c61\u6267\u884c\u7ed3\u675f\u4e4b\u540e\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u8c03\u7528__del__()\n# __del__()\u4e3b\u8981\u662f\u8868\u793a\u8be5\u7a0b\u5e8f\u6216\u8005\u51fd\u6570\u5df2\u7ecf\u5168\u90e8\u6267\u884c\u7ed3\u675f\n\u6211\u662f__init__()\n\u88ab\u9500\u6bc1\u4e86\n\u8fd9\u662f\u6700\u540e\u4e00\u884c\u4ee3\u7801<\/code><\/pre>\n
\u5c01\u88c5<\/h3>\n
# \u5c01\u88c5\n# \u9762\u5411\u5bf9\u8c61\u7684\u4e09\u5927\u7279\u6027\uff1a\u5c01\u88c5\u3001\u7ee7\u627f\u3001\u591a\u6001\n# \u5c01\u88c5\uff1a\u6307\u7684\u662f\u9690\u85cf\u5bf9\u8c61\u4e2d\u4e00\u4e9b\u4e0d\u5e0c\u671b\u88ab\u5916\u90e8\u6240\u8bbf\u95ee\u5230\u7684\u5c5e\u6027\u6216\u8005\u65b9\u6cd5\nclass Persen:\n    name = 'bingbing'  # \u7c7b\u5c5e\u6027\npe = Persen()\nprint(pe.name)\nPersen.name = 'ziyi'\nprint(Persen.name)\n# \u9690\u85cf\u5c5e\u6027\uff08\u79c1\u6709\u6743\u9650\uff09\uff0c\u53ea\u5141\u8bb8\u5728\u7c7b\u7684\u5185\u90e8\u4f7f\u7528\uff0c\u65e0\u6cd5\u901a\u8fc7\u5bf9\u8c61\u8bbf\u95ee\n# \u5728\u5c5e\u6027\u540d\u6216\u8005\u65b9\u6cd5\u540d\u524d\u9762\u52a0\u4e0a\u4e24\u4e2a\u4e0b\u5212\u7ebf\nclass Humen:\n    name = 'James'  # \u7c7b\u5c5e\u6027\n    __age = 28  # \u9690\u85cf\u5c5e\u6027\n    def introduce(self):  # \u5b9e\u4f8b\u65b9\u6cd5\n        Humen.__age = 18\n        print(f"{Humen.name}\u7684\u5e74\u9f84\u662f{Humen.__age}")\n        # \u5728\u5b9e\u4f8b\u65b9\u6cd5\u4e2d\u8bbf\u95ee\u7c7b\u5c5e\u6027\u548c\u9690\u85cf\u5c5e\u6027\npe = Humen()\nprint(pe.name)\n# \u7b2c\u4e00\u79cd\uff1a\n# \u9690\u85cf\u5c5e\u6027\u5b9e\u9645\u4e0a\u662f\u5c06\u540d\u5b57\u4fee\u6539\u4e3a\uff1a_\u7c7b\u540d__\u5c5e\u6027\u540d\nprint(pe._Humen__age)\npe._Humen__age = 18\nprint(pe._Humen__age)\n# \u7b2c\u4e8c\u79cd\uff1a\u5728\u7c7b\u7684\u5185\u90e8\u8bbf\u95ee\uff08\u63a8\u8350\u4f7f\u7528\uff0c\u6b63\u89c4\u624b\u6bb5\uff09\npe.introduce()\nbingbing\nziyi\nJames\n28\n18\nJames\u7684\u5e74\u9f84\u662f18<\/code><\/pre>\n
# \u79c1\u6709\u5c5e\u6027\/\u65b9\u6cd5\n# \u666e\u901a\u5c5e\u6027\/\u65b9\u6cd5\uff0c\u5982\u679c\u662f\u7c7b\u4e2d\u5b9a\u4e49\u7684\uff0c\u5219\u7c7b\u53ef\u4ee5\u5728\u4efb\u610f\u5730\u65b9\u4f7f\u7528\n# \u9690\u85cf\u5c5e\u6027\/\u65b9\u6cd5\uff08\u53cc\u4e0b\u5212\u7ebf\u5f00\u5934\uff09\uff1a\u5982\u679c\u5b9a\u4e49\u5728\u7c7b\u4e2d\uff0c\u65e0\u6cd5\u5728\u5916\u90e8\u76f4\u63a5\u8bbf\u95ee\uff0c\u5b50\u7c7b\u4e0d\u4f1a\u7ee7\u627f\uff0c\n# \u8981\u8bbf\u95ee\u53ea\u80fd\u901a\u8fc7\u95f4\u63a5\u7684\u65b9\u5f0f\uff0c\u53e6\u4e00\u4e2apy\u6587\u4ef6\u4e2d\u901a\u8fc7from xxx import *\u5bfc\u5165\u7684\u65f6\u5019\uff0c\u4e5f\u65e0\u6cd5\u5bfc\u5165\n# \u8fd9\u79cd\u547d\u540d\u4e00\u822c\u662fpython\u4e2d\u7684\u9b54\u672f\u65b9\u6cd5\u6216\u5c5e\u6027\uff0c\u90fd\u662f\u6709\u7279\u6b8a\u542b\u4e49\u6216\u8005\u529f\u80fd\u7684\uff0c\u81ea\u5df1\u4e0d\u8981\u8f7b\u6613\u5b9a\u4e49\n# \u79c1\u6709\u5c5e\u6027\/\u65b9\u6cd5\uff08\u5355\u4e0b\u5212\u7ebf\u5f00\u5934\uff09\uff1a\u5982\u679c\u5b9a\u4e49\u5728\u7c7b\u4e2d\uff0c\u5916\u90e8\u53ef\u4ee5\u4f7f\u7528\uff0c\u5b50\u7c7b\u4e5f\u53ef\u4ee5\u7ee7\u627f\n# \u4f46\u662f\u5728\u53e6\u4e00\u4e2apy\u6587\u4ef6\u4e2d\u901a\u8fc7from xxx import *\u5bfc\u5165\u65f6\uff0c\u65e0\u6cd5\u5bfc\u5165\n# \u4e00\u822c\u662f\u4e3a\u4e86\u907f\u514d\u4e0epython\u5173\u952e\u5b57\u51b2\u7a81\u800c\u91c7\u7528\u7684\u547d\u540d\u65b9\u6cd5\nclass Person:\n    name = "\u6e56\u4eba"\n    __age = 28  # \u9690\u85cf\u5c5e\u6027\n    _sex = "\u7537"  # \u79c1\u6709\u5c5e\u6027\npe = Person()\n# print(pe.sex)  # \u62a5\u9519\nprint(pe._sex)\n# \u4f7f\u7528\u5bf9\u8c61._\u7c7b\u540d__\u5c5e\u6027\u540d\u8bbf\u95ee\u9690\u85cf\u5c5e\u6027\nprint(pe._Person__age)\nclass Man:\n    def __play(self):  # \u9690\u85cf\u65b9\u6cd5\n        print("\u73a9\u624b\u673a")\n    def funa(self):  # \u5e73\u5e73\u65e0\u5947\u7684\u5b9e\u4f8b\u65b9\u6cd5\n        print("\u5e73\u5e73\u65e0\u5947\u7684\u5b9e\u4f8b\u65b9\u6cd5")\n        Man.__play(self)  # \u5728\u5b9e\u4f8b\u65b9\u6cd5\u4e2d\u8c03\u7528\u79c1\u6709\u65b9\u6cd5\uff08\u4e0d\u63a8\u8350\uff09\n        self.__play()  # \u63a8\u8350\u4f7f\u7528\uff0c\u66f4\u7b80\u4fbf\nma = Man()\nma.funa()\n# ma._Man__play()\n\u7537\n28\n\u5e73\u5e73\u65e0\u5947\u7684\u5b9e\u4f8b\u65b9\u6cd5\n\u73a9\u624b\u673a\n\u73a9\u624b\u673a\n\n# \u79c1\u6709\u65b9\u6cd5\nclass Girl:\n    def _buy(self):  # \u79c1\u6709\u65b9\u6cd5\n        print("\u6574\u5929\u4e70\u4e70\u4e70")\ngirl = Girl()\ngirl._buy()\n\u6574\u5929\u4e70\u4e70\u4e70<\/code><\/pre>\n
\u7ee7\u627f<\/h3>\n
# \u5c31\u662f\u8ba9\u7c7b\u548c\u7c7b\u4e4b\u95f4\u8f6c\u53d8\u4e3a\u7236\u5b50\u5173\u7cfb\uff0c\u5b50\u7c7b\u9ed8\u8ba4\u7ee7\u627f\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\n# class \u7c7b\u540d(\u7236\u7c7b\u540d):\n#   \u4ee3\u7801\u5757\n# \u5355\u7ee7\u627f\nclass Person:\n    def eat(self):\n        print("\u6211\u4f1a\u5403\u996d")\n    def sing(self):\n        print("\u6211\u662f\u5531\u6b4c\u5c0f\u80fd\u624b")\nclass Girl(Person):  # Person\u7c7b\u7684\u5b50\u7c7b\n    pass  # \u5360\u4f4d\u7b26\uff0c\u4ee3\u7801\u91cc\u9762\u7c7b\u4e0b\u9762\u4e0d\u5199\u4efb\u4f55\u4e1c\u897f\uff0c\u4f1a\u81ea\u52a8\u8df3\u8fc7\uff0c\u4e0d\u4f1a\u62a5\u9519\nclass Boy(Person):\n    pass\ngirl = Girl()\ngirl.eat()\ngirl.sing()\nboy = Boy()\nboy.eat()\nboy.sing()\n# \u603b\u7ed3\uff1a\u5b50\u7c7b\u53ef\u4ee5\u7ee7\u627f\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5c31\u7b97\u5b50\u7c7b\u81ea\u5df1\u6ca1\u6709\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7236\u7c7b\u7684\u3002\n\u6211\u4f1a\u5403\u996d\n\u6211\u662f\u5531\u6b4c\u5c0f\u80fd\u624b\n\u6211\u4f1a\u5403\u996d\n\u6211\u662f\u5531\u6b4c\u5c0f\u80fd\u624b\n\n# \u7ee7\u627f\u7684\u4f20\u9012\uff08\u591a\u91cd\u7ee7\u627f\uff09\n# A\/B\/C C\uff08\u5b50\u7c7b\uff09\u7ee7\u627f\u4e8eB\uff08\u7236\u7c7b\uff09\uff0cB\u7c7b\uff08\u5b50\u7c7b\uff09\u7ee7\u627fA\u7c7b\uff08\u7236\u7c7b\uff09\uff0cC\u7c7b\u5177\u6709A\/B\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\n# \u5b50\u7c7b\u62e5\u6709\u7236\u7c7b\u7684\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\nclass Father:  # \u7236\u7c7b\n    def eat(self):\n        print("\u5403\u996d")\n    def sleep(self):\n        print("\u7761\u89c9")\nclass Son(Father):   # Father\u7c7b\u7684\u5b50\u7c7b\n    pass\nclass GrandSon(Son): # Son\u7684\u5b50\u7c7b\n    pass\nson = Son()\nson.eat()\nson.sleep()\ngrandson = GrandSon()\ngrandson.eat()\ngrandson.sleep()\n# \u7ee7\u627f\u7684\u4f20\u9012\u6027\u5c31\u662f\u5b50\u7c7b\u62e5\u6709\u7236\u7c7b\u4ee5\u53ca\u7236\u7c7b\u7684\u7236\u7c7b\u4e2d\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\n\u5403\u996d\n\u7761\u89c9\n\u5403\u996d\n\u7761\u89c9\n\n# \u91cd\u5199\u6307\u5728\u5728\u5b50\u7c7b\u4e2d\u5b9a\u4e49\u4e0e\u7236\u7c7b\u76f8\u540c\u540d\u79f0\u7684\u65b9\u6cd5\n# \u8986\u76d6\u7236\u7c7b\u65b9\u6cd5\nclass Person:  # \u7236\u7c7b\n    def money(self):\n        print("\u4e00\u767e\u4e07\u9700\u8981\u88ab\u7ee7\u627f")\n    def sleep(self):\n        print("\u7761\u89c9\u4e86")\nclass Man(Person):  # \u5b50\u7c7b\n    def money(self):\n        Person.money(self)\n        super().money()\n        super().sleep()  # \u53ef\u4ee5\u8c03\u7528\u7236\u7c7b\u4e2d\u7684\u65b9\u6cd5\n        super(Man, self).money()\n        print("\u81ea\u5df1\u8d5a\u4e00\u5343\u4e07")\nman = Man()\nman.money()\n# \u5bf9\u7236\u7c7b\u65b9\u6cd5\u8fdb\u884c\u6269\u5c55\uff1a\u7ee7\u627f\u7236\u7c7b\u7684\u65b9\u6cd5\uff0c\u5b50\u7c7b\u4e5f\u53ef\u4ee5\u589e\u52a0\u81ea\u5df1\u7684\u529f\u80fd\n# 1.\u7236\u7c7b\u540d.\u65b9\u6cd5\u540d(self)\n# 2.super().\u65b9\u6cd5\u540d()  \u63a8\u8350\u4f7f\u7528\n# super\u5728python\u91cc\u9762\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u7c7b\uff0csuper()\u662f\u4f7f\u7528super\u7c7b\u521b\u5efa\u51fa\u6765\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u8c03\u7528\u7236\u7c7b\u4e2d\u7684\u65b9\u6cd5\n# 3.super(\u5b50\u7c7b\u540d,self).\u65b9\u6cd5\u540d()\n\u4e00\u767e\u4e07\u9700\u8981\u88ab\u7ee7\u627f\n\u81ea\u5df1\u8d5a\u4e00\u5343\u4e07<\/code><\/pre>\n
\u65b0\u5f0f\u7c7b\u5199\u6cd5<\/h3>\n
# \u7b2c\u4e00\u79cd\u5199\u6cd5 class A:\n# \u7ecf\u5178\u7c7b\uff1a\u4e0d\u7531\u4efb\u610f\u5185\u7f6e\u7c7b\u578b\u6d3e\u751f\u51fa\u7684\u7c7b\nclass Animal:\n    def walk(self):\n        print('\u6211\u4f1a\u8d70\u8def')\nclass Dog(Animal):\n    def bite(self):  # Dog\u7c7b\u662f\u6d3e\u751f\u7c7b\n        print('\u6211\u4f1a\u54ac\u4eba')\n\n# \u7b2c\u4e8c\u79cd\u5199\u6cd5 class A():\n\n# \u7b2c\u4e09\u79cd\u5199\u6cd5 class A(object): \u65b0\u5f0f\u7c7b\uff1a\u7ee7\u627f\u4e86object\u7c7b\u6216\u8005\u8be5\u7c7b\u7684\u5b50\u7c7b\u90fd\u662f\u65b0\u5f0f\u7c7b\uff0c\u63a8\u8350\u4f7f\u7528\n# object  --\u5bf9\u8c61\uff0cpython\u4e3a\u6240\u6709\u5bf9\u8c61\u63d0\u4f9b\u7684\u57fa\u7c7b\uff08\u9876\u7ea7\u7236\u7c7b\uff09\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528dir()\u67e5\u770b\u3002\n\nprint(dir(object))\n['__class__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__']\n\n# python3\u4e2d\u5982\u679c\u4e00\u4e2a\u7c7b\u6ca1\u6709\u7ee7\u627f\u4efb\u4f55\u7c7b\uff0c\u5219\u9ed8\u8ba4\u7ee7\u627fobject\u7c7b\uff0c\u56e0\u6b64python3\u90fd\u662f\u65b0\u5f0f\u7c7b<\/code><\/pre>\n
\u591a\u7ee7\u627f<\/h3>\n
# \u5b50\u7c7b\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u7236\u7c7b\uff0c\u5e76\u4e14\u5177\u6709\u6240\u6709\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\n\nclass Father(object):  # \u7236\u7c7b\u4e00\n    def money(self):\n        print('\u62e5\u6709100\u4e07\u8d22\u4ea7\u9700\u8981\u88ab\u7ee7\u627f')\nclass Mother(object):  # \u7236\u7c7b\u4e8c\n    def appearance(self):\n        print('\u7edd\u4e16\u5bb9\u989c\u9700\u8981\u88ab\u7ee7\u627f')\nclass Son(Father, Mother):  # \u5b50\u7c7b\n    pass\nson = Son()\nson.money()\nson.appearance()\n\u62e5\u6709100\u4e07\u8d22\u4ea7\u9700\u8981\u88ab\u7ee7\u627f\n\u7edd\u4e16\u5bb9\u989c\u9700\u8981\u88ab\u7ee7\u627f\n\n# \u4e0d\u540c\u7684\u7236\u7c7b\u5b58\u5728\u540c\u540d\u7684\u65b9\u6cd5\n# \u5f00\u53d1\u65f6\uff0c\u9700\u8981\u5c3d\u91cf\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\n# \u6709\u591a\u4e2a\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5982\u679c\u591a\u4e2a\u7236\u7c7b\u5177\u6709\u540c\u540d\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u8c03\u7528\u5c31\u8fd1\u539f\u5219\n# \u62ec\u53f7\u5185\u54ea\u4e00\u4e2a\u79bb\u5f97\u6700\u8fd1\uff0c\u4f18\u5148\u8c03\u7528\u54ea\u4e00\u4e2a\u7c7b\u5f97\u65b9\u6cd5\n# \u65b9\u6cd5\u7684\u641c\u7d22\u987a\u5e8f\n# python\u4e2d\u5185\u7f6e\u7684\u5c5e\u6027\uff0c__mro__\u53ef\u4ee5\u67e5\u770b\u65b9\u6cd5\u641c\u7d22\u987a\u5e8f\n\nclass Father(object):  # \u7236\u7c7b\u4e00\n    def money(self):\n        print('\u62e5\u6709100\u4e07\u8d22\u4ea7\u9700\u8981\u88ab\u7ee7\u627f')\nclass Mother(object):  # \u7236\u7c7b\u4e8c\n    def money(self):\n        print('\u62e5\u6709200\u4e07\u8d22\u4ea7\u9700\u8981\u88ab\u7ee7\u627f')\n    def appearance(self):\n        print('\u7edd\u4e16\u5bb9\u989c\u9700\u8981\u88ab\u7ee7\u627f')\nclass Son(Mother,Father):  # \u5b50\u7c7b\n    pass\nson = Son()\nson.money()\nson.appearance()\nprint(Son.__mro__)\n# \u641c\u7d22\u65b9\u6cd5\u65f6\uff0c\u4f1a\u5148\u6309\u7167__mro__\u7684\u8f93\u51fa\u7ed3\u679c\uff0c\u4ece\u5de6\u5f80\u53f3\u7684\u987a\u5e8f\u67e5\u627e\n# \u5982\u679c\u5728\u5f53\u524d\u7c7b\u4e2d\u627e\u5230\u4e86\u65b9\u6cd5\uff0c\u5c31\u76f4\u63a5\u6267\u884c\uff0c\u4e0d\u518d\u641c\u7d22\n# \u5982\u679c\u627e\u5230\u6700\u540e\u4e00\u4e2a\u7c7b\uff0c\u8fd8\u6ca1\u6709\u627e\u5230\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u7a0b\u5e8f\u5c31\u4f1a\u62a5\u9519\n\u62e5\u6709200\u4e07\u8d22\u4ea7\u9700\u8981\u88ab\u7ee7\u627f\n\u7edd\u4e16\u5bb9\u989c\u9700\u8981\u88ab\u7ee7\u627f\n(<class '__main__.Son'>, <class '__main__.Mother'>, <class '__main__.Father'>, <class 'object'>)\n\n# \u591a\u7ee7\u627f\u7684\u5f0a\u7aef\n# \u5bb9\u6613\u5f15\u53d1\u51b2\u7a81\n# \u4f1a\u5bfc\u81f4\u4ee3\u7801\u8bbe\u8ba1\u7684\u590d\u6742\u5ea6\u589e\u52a0<\/code><\/pre>\n
\u591a\u6001<\/h3>\n
# \u6307\u540c\u4e00\u79cd\u884c\u4e3a\u5177\u6709\u4e0d\u540c\u7684\u8868\u73b0\u5f62\u5f0f\n# \u591a\u6001\u7684\u524d\u63d0\n# \u7ee7\u627f\n# \u91cd\u5199\n\nprint(10+10)  # \u7b97\u672f\u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6574\u5f62\u4e4b\u95f4\u7684\u76f8\u52a0\u64cd\u4f5c\nprint('10'+'10')  # \u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u5b9e\u73b0\u5b57\u7b26\u4e32\u4e4b\u95f4\u7684\u62fc\u63a5\u64cd\u4f5c\n\nclass Animal(object):\n    """\u7236\u7c7b\uff1a\u52a8\u7269\u7c7b"""\n    def shout(self):\n        print('\u52a8\u7269\u4f1a\u53eb')\nclass Cat(Animal):\n    """\u5b50\u7c7b\u4e00\uff1a\u732b\u7c7b"""\n    def shout(self):\n        print('\u5c0f\u732b\u55b5\u55b5\u55b5')\nclass Dog(Animal):\n    """\u5b50\u7c7b\u4e8c\uff1a\u72d7\u7c7b"""\n    def shout(self):\n        print('\u5c0f\u72d7\u6c6a\u6c6a\u6c6a')\ncat = Cat()\ncat.shout()\ndog = Dog()\ndog.shout()\n\u5c0f\u732b\u55b5\u55b5\u55b5\n\u5c0f\u72d7\u6c6a\u6c6a\u6c6a\n\n# \u591a\u6001\u6027\uff1a\u4e00\u79cd\u8c03\u7528\u65b9\u5f0f\uff0c\u4e0d\u540c\u7684\u6267\u884c\u7ed3\u679c\n\nclass Animal(object):\n    def eat(self):\n        print('\u6211\u4f1a\u5e72\u996d')\nclass Pig(Animal):\n    def eat(self):\n        print('\u732a\u5403\u732a\u9972\u6599')\nclass Dog(Animal):\n    def eat(self):\n        print('\u72d7\u5403\u72d7\u7cae')\n# \u591a\u6001\u6027\uff1a\u5b9a\u4e49\u4e00\u4e2a\u7edf\u4e00\u7684\u63a5\u53e3\uff0c\u4e00\u4e2a\u63a5\u53e3\u591a\u79cd\u5b9e\u73b0\ndef test(obj):\n    obj.eat()\nanimal = Animal()\npig = Pig()\ndog = Dog()\ntest(animal)\ntest(pig)\ntest(dog)\n# test\u51fd\u6570\u4f20\u5165\u4e0d\u540c\u7684\u5bf9\u8c61\uff0c\u6267\u884c\u4e0d\u540c\u5bf9\u8c61\u7684eat\u65b9\u6cd5\n\u6211\u4f1a\u5e72\u996d\n\u732a\u5403\u732a\u9972\u6599\n\u72d7\u5403\u72d7\u7cae<\/code><\/pre>\n
\u9759\u6001\u65b9\u6cd5<\/h3>\n
# \u4f7f\u7528@staticmethon\u6765\u8fdb\u884c\u4fee\u9970\uff0c\u9759\u6001\u65b9\u6cd5\u6ca1\u6709self,cls\u53c2\u6570\u7684\u9650\u5236\n# \u9759\u6001\u65b9\u6cd5\u4e0e\u7c7b\u65e0\u5173\uff0c\u53ef\u4ee5\u88ab\u8f6c\u6362\u6210\u51fd\u6570\u4f7f\u7528\n\nclass Person(object):\n    @staticmethod  # \u9759\u6001\u65b9\u6cd5\n    def study(name):\n        print(f'{name}\u4f1a\u5b66\u4e60')\n# \u9759\u6001\u65b9\u6cd5\u65e2\u53ef\u4ee5\u4f7f\u7528\u5bf9\u8c61\u8bbf\u95ee\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7c7b\u8bbf\u95ee\nPerson.study('bingbing')\npe = Person()\npe.study('bingbing')  # \u8c03\u7528\u65b9\u6cd5\u65f6\u4f20\u53c2\u6570\nbingbing\u4f1a\u5b66\u4e60\nbingbing\u4f1a\u5b66\u4e60\n# \u53d6\u6d88\u4e0d\u5fc5\u8981\u7684\u53c2\u6570\u4f20\u9012\uff0c\u6709\u5229\u4e8e\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5185\u5b58\u5360\u7528\u548c\u6027\u80fd\u6d88\u8017<\/code><\/pre>\n
\u7c7b\u65b9\u6cd5<\/h3>\n
# \u4f7f\u7528\u88c5\u9970\u5668@classmethond\u6765\u6807\u8bc6\u7c7b\u65b9\u6cd5\uff0c\u5bf9\u4e8e\u7c7b\u65b9\u6cd5\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u5fc5\u987b\u662f\u7c7b\u5bf9\u8c61\uff0c\u4e00\u822c\u662f\u4ee5cls\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\n# \u7c7b\u65b9\u6cd5\u5185\u90e8\u53ef\u4ee5\u8bbf\u95ee\u7c7b\u5c5e\u6027\uff0c\u6216\u8005\u8c03\u7528\u5176\u4ed6\u7684\u7c7b\u65b9\u6cd5\nclass Person(object):\n    name = 'bingbing'  # \u7c7b\u5c5e\u6027\n    @classmethod\n    def sleep(cls):\n        print(cls)  # cls\u4ee3\u8868\u7c7b\u5bf9\u8c61\u672c\u8eab\uff0c\u7c7b\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u4e2a\u5bf9\u8c61\n        print('\u4eba\u7c7b\u5728\u7761\u89c9')\n        print(cls.name)\nprint(Person)\nPerson.sleep()\n# \u5f53\u65b9\u6cd5\u4e2d\u9700\u8981\u4f7f\u7528\u5230\u7c7b\u5bf9\u8c61\uff08\u5982\u8bbf\u95ee\u79c1\u6709\u7c7b\u5c5e\u6027\u7b49\uff09\uff0c\u5b9a\u4e49\u7c7b\u65b9\u6cd5\n# \u7c7b\u65b9\u6cd5\u4e00\u822c\u662f\u914d\u5408\u7c7b\u5c5e\u6027\u4f7f\u7528\n<class '__main__.Person'>\n<class '__main__.Person'>\n\u4eba\u7c7b\u5728\u7761\u89c9\nbingbing\n\n# 1.\u5b9e\u4f8b\u65b9\u6cd5\uff1a\u65b9\u6cd5\u5185\u90e8\u8bbf\u95ee\u5b9e\u4f8b\u5c5e\u6027\uff0c\u65b9\u6cd5\u5185\u90e8\u53ef\u4ee5\u901a\u8fc7\u7c7b\u540d.\u7c7b\u5c5e\u6027\u540d\u6765\u8bbf\u95ee\u7c7b\u5c5e\u6027\n# 2.\u9759\u6001\u65b9\u6cd5@staticmethod\uff1a\u65b9\u6cd5\u5185\u90e8\uff0c\u4e0d\u9700\u8981\u8bbf\u95ee\u5b9e\u4f8b\u5c5e\u6027\u548c\u7c7b\u5c5e\u6027\n# \u5982\u679c\u8981\u8bbf\u95ee\u7c7b\u5c5e\u6027\uff0c\u901a\u8fc7\u7c7b\u540d.\u7c7b\u5c5e\u6027\u540d\u8bbf\u95ee\uff0c\u4e0d\u80fd\u8bbf\u95ee\u5b9e\u4f8b\u5c5e\u6027\n# 3.\u7c7b\u65b9\u6cd5@classmethod\uff1a\u65b9\u6cd5\u5185\u90e8\u53ea\u9700\u8981\u8bbf\u95ee\u7c7b\u5c5e\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7cls.\u7c7b\u5c5e\u6027\u540d\u8bbf\u95ee\u7c7b\u5c5e\u6027\uff0c\u4e0d\u80fd\u8bbf\u95ee\u5b9e\u4f8b\u5c5e\u6027\n\nclass Person(object):\n    name = '\u5c0f\u660e'  # \u7c7b\u5c5e\u6027\uff1a\u7c7b\u6240\u62e5\u6709\u7684\u5c5e\u6027\n    def __init__(self):\n        self.age = 18  # \u5b9e\u4f8b\u5c5e\u6027\uff1a\u5bf9\u8c61\u79c1\u6709\u7684\n    def play(self):  # \u5b9e\u4f8b\u65b9\u6cd5\n        # \u5728\u5b9e\u4f8b\u65b9\u6cd5\u4e2d\u8bbf\u95ee\u7c7b\u5c5e\u6027\n        print(f'{Person.name}\u5728\u73a9\u6e38\u620f')\n        print(self.age)\n    @staticmethod  # \u9759\u6001\u65b9\u6cd5\uff1a\u7c7b\u4e2d\u7684\u51fd\u6570\uff0c\u5f62\u53c2\u6ca1\u6709\u9650\u5236\n    def introduce():\n        print(f'\u6211\u662f{Person.name}')  # \u9759\u6001\u65b9\u6cd5\u80fd\u591f\u8bbf\u95ee\u5230\u7c7b\u5c5e\u6027\uff0c\u4f46\u662f\u65e0\u610f\u4e49\n    @classmethod # \u7c7b\u65b9\u6cd5\uff1a\u9488\u5bf9\u7c7b\u5b58\u5728\u7684\u65b9\u6cd5\n    def introduce2(cls):  # cls\u4ee3\u8868\u7c7b\u5bf9\u8c61\u672c\u8eab\n        print(cls.name)\n        # print(self.age)  # \u62a5\u9519\npe = Person()\npe.play()\nprint(pe.age)\npe.introduce()\npe.introduce2()\n\n# \u7c7b\u5c5e\u6027\u662f\u516c\u5171\u7684\uff0c\u6240\u6709\u65b9\u6cd5\u5185\u90e8\u90fd\u80fd\u591f\u8bbf\u95ee\u5230\uff0c\u5b9e\u4f8b\u5c5e\u6027\u662f\u79c1\u6709\u7684\uff0c\u53ea\u6709\u5b9e\u4f8b\u65b9\u6cd5\u5185\u90e8\u80fd\u591f\u8bbf\u95ee\u5230\n# \u9759\u6001\u65b9\u6cd5\u4e0d\u9700\u8981\u8bbf\u95ee\u7c7b\u5c5e\u6027\uff0c\u56e0\u4e3a\u9759\u6001\u65b9\u6cd5\u548c\u7c7b\u3001\u5bf9\u8c61\u6ca1\u6709\u5173\u8054\n\n\u5c0f\u660e\u5728\u73a9\u6e38\u620f\n18\n18\n\u6211\u662f\u5c0f\u660e\n\u5c0f\u660e\n\n# __init__()\u548c__new__()\n# __init__()\uff1a\u521d\u59cb\u5316\u5bf9\u8c61\nclass Test(object):\n    def __init__(self):\n        print('\u8fd9\u662f__init__()')\n        print(self)\n    def __new__(cls, *args, **kwargs):  # cls\u4ee3\u8868\u7c7b\u672c\u8eab\n        print('\u6211\u662f__new__()')\n        print(cls)\n        # \u5bf9\u7236\u7c7b\u65b9\u6cd5\u8fdb\u884c\u6269\u5c55  super().\u65b9\u6cd5\u540d()\n        res = super().__new__(cls)  #\u65b9\u6cd5\u91cd\u5199\uff0cres\u91cc\u9762\u4fdd\u5b58\u7684\u662f\u5b9e\u4f8b\u5bf9\u8c61\u7684\u5f15\u7528\n        # __new__()\u662f\u9759\u6001\u65b9\u6cd5\uff0c\u5f62\u53c2\u91cc\u9762\u6709cls\uff0c\u5b9e\u53c2\u5c31\u5fc5\u987b\u4f20cls\n        return res\n        # \u6ce8\u610f\uff1a\u91cd\u5199__new__()\u4e00\u5b9a\u8981return\uff0c\u5426\u5219python\u89e3\u91ca\u5668\u5f97\u4e0d\u5230\u5206\u914d\u7a7a\u95f4\u7684\u5bf9\u8c61\u5f15\u7528\uff0c\u5c31\u4e0d\u4f1a\u8c03\u7528__init__()\nte = Test()\n# __new__()\uff1aobject\u57fa\u7c7b\u63d0\u4f9b\u7684\u5185\u7f6e\u7684\u9759\u6001\u65b9\u6cd5\n# \u4f5c\u7528\uff1a1.\u5728\u5185\u5b58\u4e2d\u4e3a\u5bf9\u8c61\u5206\u914d\u7a7a\u95f4 2.\u8fd4\u56de\u5bf9\u8c61\u7684\u5f15\u7528\nprint(te)\n\u6211\u662f__new__()\n<class '__main__.Test'>\n\u8fd9\u662f__init__()\n<__main__.Test object at 0x00000134CC42BEB0>\n<__main__.Test object at 0x00000134CC42BEB0>\n\n# \u6267\u884c\u6b65\u9aa4\uff1a\n# \u4e00\u4e2a\u5bf9\u8c61\u7684\u5b9e\u4f8b\u5316\u8fc7\u7a0b\uff1a\u9996\u5148\u6267\u884c__new()__\uff0c\u5982\u679c\u6ca1\u6709\u5199__new__()\n# \u5982\u679c\u6ca1\u6709\u5199__new()__\uff0c\u9ed8\u8ba4\u8c03\u7528object\u91cc\u9762\u7684__new__()\uff0c\u8fd4\u56de\u4e00\u4e2a\u5b9e\u4f8b\u5bf9\u8c61\n# \u7136\u540e\u518d\u53bb\u8c03\u7528__init()__\uff0c\u5bf9\u5bf9\u8c61\u8fdb\u884c\u521d\u59cb\u5316\n\nclass Person(object):\n    def __new__(cls, *args, **kwargs):\n        print('\u8fd9\u662fnew\u65b9\u6cd5')\n        print(super().__new__(cls))\n        return super().__new__(cls)\n    def __init__(self, name):\n        self.name = name  # \u5b9e\u4f8b\u5c5e\u6027\n        print('\u540d\u5b57\u662f\uff1a',self.name)\npe = Person('bingbing')\nprint(pe)\n\npe2 = Person('susu')\nprint(pe2)\n\u8fd9\u662fnew\u65b9\u6cd5\n<__main__.Person object at 0x000001C12916FEB0>\n\u540d\u5b57\u662f\uff1a bingbing\n<__main__.Person object at 0x000001C12916FEB0>\n\u8fd9\u662fnew\u65b9\u6cd5\n<__main__.Person object at 0x000001C12916FBE0>\n\u540d\u5b57\u662f\uff1a susu\n<__main__.Person object at 0x000001C12916FBE0>\n\n# \u603b\u7ed3\uff1a__init__()\u548c__new__()\n# 1.__new__()\u662f\u521b\u5efa\u5bf9\u8c61\uff0c__init__()\u662f\u521d\u59cb\u5316\u5bf9\u8c61\n# 2.__new__()\u662f\u8fd4\u56de\u5bf9\u8c61\u5f15\u7528\uff0c__init__()\u5b9a\u4e49\u5b9e\u4f8b\u5c5e\u6027\n# 3.__new__()\u662f\u7c7b\u7ea7\u522b\u7684\u65b9\u6cd5\uff0c__init__()\u662f\u5b9e\u4f8b\u7ea7\u522b\u7684\u65b9\u6cd5<\/code><\/pre>\n
\u5355\u4f8b\u6a21\u5f0f<\/h3>\n
# \u53ef\u4ee5\u7406\u89e3\u6210\u4e00\u4e2a\u7279\u6b8a\u7684\u7c7b\uff0c\u8fd9\u4e2a\u7c7b\u53ea\u5b58\u5728\u4e00\u4e2a\u5bf9\u8c61\n# \u4f18\u70b9\uff1a\u53ef\u4ee5\u8282\u7701\u5185\u5b58\u7a7a\u95f4\uff0c\u51cf\u5c11\u4e86\u4e0d\u5fc5\u8981\u7684\u8d44\u6e90\u6d6a\u8d39\n# \u5f0a\u7aef\uff1a\u591a\u7ebf\u7a0b\u8bbf\u95ee\u7684\u65f6\u5019\u5bb9\u6613\u5f15\u53d1\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\n# \u65b9\u5f0f\n# 1.\u901a\u8fc7@classmethod\n# 2.\u901a\u8fc7\u88c5\u9970\u5668\u5b9e\u73b0\n# 3.\u901a\u8fc7\u91cd\u5199__new__()\u5b9e\u73b0\n# 4.\u901a\u8fc7\u5bfc\u5165\u6a21\u5757\u5b9e\u73b0\n\nclass A(object):\n    pass\na1 = A()\nprint(a1)\na2 = A()\nprint(a2)\n<__main__.A object at 0x0000021D64011060>\n<__main__.A object at 0x0000021D64010FA0>\n\n# \u5185\u5b58\u5730\u5740\u53d1\u751f\u53d8\u5316\u8bf4\u660e\u662f\u4e0d\u540c\u7684\u5bf9\u8c61\n# \u5b9e\u73b0\u5355\u4f8b\u6a21\u5f0f \u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\u90fd\u662f\u4e00\u6837\u7684\uff0c\u53ea\u6709\u4e00\u4e2a\u5bf9\u8c61\n# \u901a\u8fc7\u91cd\u5199__new__()\u5b9e\u73b0\u5355\u4f8b\u6a21\u5f0f\n# \u8bbe\u8ba1\u6d41\u7a0b\n# 1.\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u5c5e\u6027\uff0c\u521d\u59cb\u503c\u4e3aNone\uff0c\u7528\u6765\u8bb0\u5f55\u5355\u4f8b\u5bf9\u8c61\u7684\u5e94\u7528\n# 2.\u91cd\u5199__new__()\u65b9\u6cd5\n# 3.\u8fdb\u884c\u5224\u65ad\uff0c\u5982\u679c\u7c7b\u5c5e\u6027\u662fNone\uff0c\u628a__new__()\u8fd4\u56de\u7684\u5bf9\u8c61\u5e94\u7528\u4fdd\u5b58\u8fdb\u53bb\n# 4.\u8fd4\u56de\u7c7b\u5c5e\u6027\u4e2d\u8bb0\u5f55\u7684\u5bf9\u8c61\u5f15\u7528\n\nclass Singleton(object):\n    # \u8bb0\u5f55\u7b2c\u4e00\u4e2a\u88ab\u521b\u5efa\u7684\u5bf9\u8c61\u7684\u5f15\u7528\n    obj = None\n    def __new__(cls, *args, **kwargs):\n        print('\u8fd9\u662f__new__()')\n        # \u5224\u65ad\u7c7b\u5c5e\u6027\u662f\u5426\u4e3a\u7a7a\n        if cls.obj == None:\n            cls.obj = super().__new__(cls)\n        return cls.obj\n    def __init__(self):\n        print('\u6211\u662f__init__()')\n\ns = Singleton()\nprint("s:",s)\ns2 = Singleton()\nprint("s2:",s2)\n# \u5355\u4f8b\u6a21\u5f0f\uff1a\u6bcf\u4e00\u6b21\u5b9e\u4f8b\u5316\u6240\u521b\u5efa\u7684\u5bf9\u8c61\u90fd\u662f\u540c\u4e00\u4e2a\uff0c\u5185\u5b58\u5730\u5740\u90fd\u4e00\u6837\n\u8fd9\u662f__new__()\n\u6211\u662f__init__()\ns: <__main__.Singleton object at 0x000002CC0025FBB0>\n\u8fd9\u662f__new__()\n\u6211\u662f__init__()\ns2: <__main__.Singleton object at 0x000002CC0025FBB0>\n\n# \u901a\u8fc7\u5bfc\u5165\u6a21\u5757\u5b9e\u73b0\u5355\u4f8b\u6a21\u5f0f\n# \u6a21\u5757\u5c31\u662f\u5929\u7136\u7684\u5355\u4f8b\u6a21\u5f0f\nfrom pytest2 import te as te01\nfrom pytest2 import te as te02\nprint(te01,id(te01))\nprint(te02,id(te02))\n<pytest2.Test object at 0x000001B5AF2B1060> 1879839543392\n<pytest2.Test object at 0x000001B5AF2B1060> 1879839543392\n\n# \u5e94\u7528\u573a\u666f\n# 1.\u56de\u6536\u7ad9\u5bf9\u8c61\n# 2.\u97f3\u4e50\u64ad\u653e\u5668\uff0c\u4e00\u4e2a\u97f3\u4e50\u64ad\u653e\u8f6f\u4ef6\u8d1f\u8d23\u97f3\u4e50\u64ad\u653e\u7684\u5bf9\u8c61\u53ea\u6709\u4e00\u4e2a\n# 3.\u5f00\u53d1\u6e38\u620f\u8f6f\u4ef6  \u573a\u666f\u7ba1\u7406\u5668\n# 4.\u6570\u636e\u5e93\u914d\u7f6e\u3001\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u7684\u8bbe\u8ba1<\/code><\/pre>\n
\u9b54\u6cd5\u65b9\u6cd5<\/h3>\n
# \u9b54\u6cd5\u65b9\u6cd5&\u9b54\u6cd5\u5c5e\u6027\n# __doc__\uff1a\u7c7b\u7684\u63cf\u8ff0\u4fe1\u606f\nclass Person(object):\n    """\u4eba\u7c7b--\u7c7b\u7684\u63cf\u8ff0\u4fe1\u606f"""  # \u53ea\u80fd\u4f7f\u7528\u591a\u884c\u6ce8\u91ca\uff0c\u5355\u884c\u6ce8\u91ca\u65e0\u6548\n    pass\nprint(Person.__doc__)\n\u4eba\u7c7b--\u7c7b\u7684\u63cf\u8ff0\u4fe1\u606f\n\n# __module__\uff1a\u8868\u793a\u5f53\u524d\u64cd\u4f5c\u5bf9\u8c61\u6240\u5728\u7684\u6a21\u5757\n# __class__\uff1a\u8868\u793a\u5f53\u524d\u64cd\u4f5c\u5bf9\u8c61\u6240\u5728\u7684\u7c7b\nimport pytest2\nb = pytest2.B()\nprint(b)\nb.funa()\nprint(b.__module__)  # \u8f93\u51fa\u6a21\u5757\nprint(b.__class__)  # \u8f93\u51fa\u7c7b\n<pytest2.B object at 0x0000020E7F2113C0>\n\u54c8\u54c8\u54c8\npytest2\n<class 'pytest2.B'>\n\n# __str__()\uff1a\u5bf9\u8c61\u7684\u63cf\u8ff0\u4fe1\u606f\n# \u5982\u679c\u7c7b\u5b9a\u4e49\u4e86\u6b64\u65b9\u6cd5\uff0c\u90a3\u4e48\u5728\u6253\u5370\u5bf9\u8c61\u65f6\uff0c\u9ed8\u8ba4\u8f93\u51fa\u8be5\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\uff0c\u4e5f\u5c31\u662f\u6253\u5370\u65b9\u6cd5\u4e2dreturn\u7684\u6570\u636e\n# \u6ce8\u610f\uff1a__str__()\u5fc5\u987b\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\nclass C:\n    def __str__(self):\n        return '\u8fd9\u662fstr\u7684\u8fd4\u56de\u503c'  # \u5fc5\u987b\u8981\u6709\u8fd4\u56de\u503c\uff0c\u5e76\u4e14\u4e00\u5b9a\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\n    pass\nc = C()\nprint(c)\n\u8fd9\u662fstr\u7684\u8fd4\u56de\u503c\n\n# __del__()\uff1a\u6790\u6784\u51fd\u6570\uff0c\u5728\u7a0b\u5e8f\u7ed3\u675f\u65f6\u4f1a\u8c03\u7528\uff0c\u6216\u8005\u5728\u5220\u9664\u67d0\u4e2a\u5bf9\u8c61\u7684\u65f6\u5019\u4e5f\u4f1a\u88ab\u8c03\u7528\n# __call__()\uff1a\u4f7f\u4e00\u4e2a\u5b9e\u4f8b\u5bf9\u8c61\u6210\u4e3a\u4e00\u4e2a\u53ef\u8c03\u7528\u5bf9\u8c61\uff0c\u5c31\u50cf\u51fd\u6570\u90a3\u6837\u53ef\u4ee5\u8c03\u7528\n# \u53ef\u8c03\u7528\u5bf9\u8c61\uff1a\u51fd\u6570\/\u5185\u7f6e\u51fd\u6570\/\u7c7b\u90fd\u662f\u53ef\u8c03\u7528\u5bf9\u8c61\uff0c\u51e1\u662f\u53ef\u4ee5\u628a\u4e00\u5bf9()\u5e94\u7528\u5230\u67d0\u4e2a\u5bf9\u8c61\u8eab\u4e0a\u90fd\u53ef\u4ee5\u79f0\u4e4b\u4e3a\u53ef\u8c03\u7528\u5bf9\u8c61\n# callable()\uff1a\u5224\u65ad\u4e00\u4e2a\u5bf9\u8c61\u662f\u5426\u662f\u4e00\u4e2a\u53ef\u8c03\u7528\u51fd\u6570\ndef func():\n    print('\u5475\u5475\u5475')\nfunc()\nprint(callable(func))\nname = 'bingbing'\nprint(callable(name))\n\u5475\u5475\u5475\nTrue\nFalse\n\n# __del__()\uff1a\u6790\u6784\u51fd\u6570\uff0c\u5728\u7a0b\u5e8f\u7ed3\u675f\u65f6\u4f1a\u8c03\u7528\uff0c\u6216\u8005\u5728\u5220\u9664\u67d0\u4e2a\u5bf9\u8c61\u7684\u65f6\u5019\u4e5f\u4f1a\u88ab\u8c03\u7528\n# __call__()\uff1a\u4f7f\u4e00\u4e2a\u5b9e\u4f8b\u5bf9\u8c61\u6210\u4e3a\u4e00\u4e2a\u53ef\u8c03\u7528\u5bf9\u8c61\uff0c\u5c31\u50cf\u51fd\u6570\u90a3\u6837\u53ef\u4ee5\u8c03\u7528\n# \u53ef\u8c03\u7528\u5bf9\u8c61\uff1a\u51fd\u6570\/\u5185\u7f6e\u51fd\u6570\/\u7c7b\u90fd\u662f\u53ef\u8c03\u7528\u5bf9\u8c61\uff0c\u51e1\u662f\u53ef\u4ee5\u628a\u4e00\u5bf9()\u5e94\u7528\u5230\u67d0\u4e2a\u5bf9\u8c61\u8eab\u4e0a\u90fd\u53ef\u4ee5\u79f0\u4e4b\u4e3a\u53ef\u8c03\u7528\u5bf9\u8c61\n# callable()\uff1a\u5224\u65ad\u4e00\u4e2a\u5bf9\u8c61\u662f\u5426\u662f\u4e00\u4e2a\u53ef\u8c03\u7528\u51fd\u6570\nclass A:\n    def __call__(self, *args, **kwargs):\n        print('\u8fd9\u662f__call__()')\na = A()\na()  # \u8c03\u7528\u4e00\u4e2a\u53ef\u8c03\u7528\u7684\u5b9e\u4f8b\u5bf9\u8c61\uff0c\u5176\u5b9e\u5c31\u662f\u5728\u8c03\u7528\u5b83\u7684__call__()\u65b9\u6cd5\nprint(callable(a))\n\u8fd9\u662f__call__()\nTrue<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u7c7b\u3001\u5bf9\u8c61 # \u9762\u5411\u5bf9\u8c61\u548c\u9762\u5411\u8fc7\u7a0b\u7684\u533a\u522b # \u9762\u5411\u8fc7\u7a0b\uff08\u624b\u6d17\uff09\uff1a\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u529f\u80fd\u7684\u65f6\u5019\uff0c\u7740\u91cd\u7684\u662f\u8fc7\u7a0b\uff0c\u5206\u6790\u51fa\u4e00\u4e2a… » \u9605\u8bfb\u5168\u6587<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-2022","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/posts\/2022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2022"}],"version-history":[{"count":11,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/posts\/2022\/revisions"}],"predecessor-version":[{"id":2041,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=\/wp\/v2\/posts\/2022\/revisions\/2041"}],"wp:attachment":[{"href":"http:\/\/blue.yn.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2022"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blue.yn.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}