{"id":1645,"date":"2023-07-19T11:13:02","date_gmt":"2023-07-19T03:13:02","guid":{"rendered":"https:\/\/blog.xtaa.cn\/?p=1645"},"modified":"2023-07-19T11:13:02","modified_gmt":"2023-07-19T03:13:02","slug":"%e5%bd%a2%e8%b1%a1%e7%9a%84%e7%90%86%e8%a7%a3class%e7%9a%84init%e3%80%81self-%e3%80%81staticmethod%e3%80%81-classmethod%e3%80%81property","status":"publish","type":"post","link":"http:\/\/blog.xtaa.cn\/index.php\/2023\/07\/19\/%e5%bd%a2%e8%b1%a1%e7%9a%84%e7%90%86%e8%a7%a3class%e7%9a%84init%e3%80%81self-%e3%80%81staticmethod%e3%80%81-classmethod%e3%80%81property\/","title":{"rendered":"\u5f62\u8c61\u7684\u7406\u89e3Class\u7684init\u3001self \u3001@staticmethod\u3001 @classmethod\u3001@property"},"content":{"rendered":"\n

@staticmethod\u3001@classmethod\u3001@property\u8fd9\u51e0\u4e2a\u5e26@\u7b26\u53f7\u7684\u8bed\u6cd5\u662fPython\u91cc\u7684\u300c\u8bed\u6cd5\u7cd6\u300d\u3002\u8fd9\u4e9b\u8bed\u6cd5\u4e2d\u6587\u5e38\u8bd1\u4f5c\u300c\u88c5\u9970\u5668\u300d\uff0c\u5bf9\u4e8e\u6ca1\u6709\u4efb\u4f55\u7f16\u7a0b\u7ecf\u9a8c\u7684\u65b0\u624b\uff0c\u8fd9\u4e9b\u90fd\u662f\u7ecf\u5e38\u96be\u4ee5\u7406\u89e3\u7684\u5730\u65b9\u3002\u518d\u6709\u5c31\u662f\u7c7b\u7684self\u53c2\u6570\uff0c\u65b0\u624b\u901a\u5e38\u7559\u4e8e\u8868\u9762\u7684\u8ba4\u8bc6\u9020\u6210\u4e00\u4e9b\u8bef\u4f1a\u3002<\/p>\n\n\n\n

\u9700\u8981\u8bf4\u660e\u4e00\u4e0b\uff0c\u672c\u6559\u7a0b\u9488\u5bf9Python3\u3002<\/p>\n\n\n\n

\u8981\u7406\u89e3\u8fd9\u51e0\u6837\uff0c\u6211\u4eec\u5148\u8981\u5bf9Python\u7c7b\u6709\u4e00\u4e2a\u8ba4\u8bc6\uff0c\u8ba9\u6211\u4eec\u5148\u7b80\u5355\u56de\u987e\u4e00\u4e0b\u300c\u7c7b\u300d\u3002<\/p>\n\n\n\n

class \u7c7b<\/h2>\n\n\n\n

\u6211\u4eec\u5b66\u4e60\u7f16\u7a0b\u8bed\u8a00\u65f6\uff0c\u4e86\u89e3\u5230\u8bed\u8a00\u6709\u9762\u5411\u8fc7\u7a0b\u548c\u9762\u5411\u5bf9\u8c61\u4e4b\u5206\uff0c\u53ef\u4ee5\u9762\u5411\u5bf9\u8c61\u7684\u8bed\u8a00\u4e00\u822c\u90fd\u662f\u300c\u9ad8\u7ea7\u8bed\u8a00\u300d\uff0c\u4e3a\u4ec0\u4e48\u9ad8\u7ea7\uff1f\u56e0\u4e3a\u4f7f\u7528\u66f4\u5bb9\u6613\uff0c\u7406\u89e3\u66f4\u5bb9\u6613\uff0c\u5f53\u7136\u8fd9\u4e00\u5207\u90fd\u6709\u4ee3\u4ef7\uff0c\u4f46\u90a3\u662f\u53e6\u4e00\u4ef6\u4e8b\u60c5\u4e86\uff0c\u6211\u4eec\u6709\u673a\u4f1a\u5728\u8bf4\u3002<\/p>\n\n\n\n

\u300c\u5728Python\u4e2d\u4e00\u5207\u7686\u5bf9\u8c61\u300d\u8fd9\u53e5\u8bdd\u4f30\u8ba1\u4f60\u4e5f\u4e0d\u662f\u5934\u4e00\u56de\u542c\u5230\u4e86\u3002Python\u4e2d\u5bf9\u8c61\u6700\u76f4\u63a5\u7684\u5316\u8eab\u4fbf\u662fclass\u8bed\u6cd5\uff0c\u4e2d\u6587\u79f0\u4e4b\u4e3a\u300c\u7c7b\u300d\uff0c\u8ba9\u6211\u4eec\u57fa\u4e8ePython\u9020\u300c\u4e00\u6279\u300dGirlfriend(\u5bf9\u8c61)\u5427\u3002\u6ce8\u610f\uff1a\u8fd9\u91cc\u6211\u5f3a\u8c03\u4e86\u300c\u4e00\u6279\u300d\u8fd9\u4e2a\u8bcd\u3002<\/p>\n\n\n\n

    # \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n        size = 'C'\n\n    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb<\/em>\n    lili = Girlfriend()\n    mimi = Girlfriend()<\/code><\/pre>\n\n\n\n
\u4ee5\u4e0a\uff0c\u6211\u4eec\u505a\u4e86\u8fd9\u51e0\u4ef6\u4e8b\u60c5\uff1a<\/p>\n\n\n\n
1\uff09\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aGirlfriend\u7c7b\uff0c\u7528\u6765\u4e00\u4f1a\u751f\u4ea7\u5973\u670b\u53cb\u5f53\u76f8\u597d\u7684\u5bf9\u8c61\uff1b<\/p>\n\n\n\n
2\uff09\u57fa\u4e8e\u6211\u4f4e\u4fd7\u7684\u54c1\u5473\uff0c\u5973\u670b\u53cb\u8981\u5b9a\u4e49\u51e0\u4e2a\u5c5e\u6027\uff1a\u5e74\u7eaa\u898122\u5c81\uff0c\u7f69\u676f\u8981C\uff0c\u4e3a\u4e86\u8c28\u9632\u610f\u5916\uff0c\u6027\u522b\u5b9a\u4e49\u6e05\u695a\u662f\u5973\uff0c\u514d\u5f97\u9020\u51fa\u4eba\u5996\uff1b<\/p>\n\n\n\n
3\uff09\u57fa\u4e8e\u6211\u7684\u627f\u53d7\u80fd\u529b\uff0c\u6211\u5b9e\u4f8b\u5316\u4e86lili\u548cmimi\u4e24\u4e2a\u5973\u670b\u53cb\uff0c\u4e24\u4e2a\u5c31\u591f\u4e86\u3002<\/p>\n\n\n\n
\u901a\u8fc7\u4e0a\u8ff0\u4f8b\u5b50\uff0c\u6211\u4eec\u56de\u987e\u4e86\u7c7b\u4e0e\u5b9e\u4f8b\u7684\u5173\u7cfb\uff1a\u7c7b\u5c31\u597d\u6bd4\u751f\u4ea7\u5177\u4f53\u4ea7\u54c1\u7684\u300c\u6a21\u5177\u300d\u6216\u8005\u300c\u6a21\u5b50\u300d\uff0c\u5148\u505a\u597d\u6a21\u5177\uff0c\u5b9a\u4e49\u597d\u5c06\u6765\u751f\u4ea7\u7684\u4ea7\u54c1\u671f\u671b\u7684\u6837\u5b50\uff0c\u7136\u540e\u518d\u7528\u5b9e\u4f8b\u5316\u8bed\u6cd5\u901a\u8fc7\u6a21\u5177\u751f\u4ea7\u4e00\u4e9b\u4ea7\u54c1\u3002<\/p>\n\n\n\n
\u6211\u53ef\u4ee5\u968f\u65f6\u901a\u8fc7\u300c\u5b9e\u4f8b . \u5c5e\u6027\u300d\u8fd9\u4e2a\u8bed\u6cd5\u77e5\u9053\u5973\u670b\u53cb\u7684\u4e00\u4e9b\u5c5e\u6027\u503c\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n
    lili.age  # \u4f1a\u5f97\u523022\u8fd9\u4e2a\u503c<\/em>\n    mimi.age  # \u4e5f\u662f22<\/em>\n    lili.size  # C\u676f<\/em><\/code><\/pre>\n\n\n\n
\u663e\u7136\uff0c\u6211\u7684\u4e24\u4e2a\u5973\u670b\u53cb\u5e74\u7eaa\u3001\u7f69\u676f\u90fd\u662f\u4e00\u81f4\u7684\uff0c\u56e0\u4e3a\u6211\u5728\u5b9a\u4e49\u6a21\u5177\uff08\u7c7b\uff09\u7684\u65f6\u5019\u5c31\u660e\u786e\u6307\u5b9a\u4e86\u8fd9\u4e9b\u5c5e\u6027\u3002<\/p>\n\n\n\n
class\u7684init\u65b9\u6cd5\u548cself\u53c2\u6570<\/h2>\n\n\n\n
\u4ec0\u4e48\u90fd\u4e00\u6837\u6ca1\u610f\u601d\uff0c\u6211\u5e0c\u671b\u81f3\u5c11\u6bcf\u4e2a\u599e\u7684\u53d1\u578b\u4e0d\u8981\u4e00\u6837\uff0c\u5e76\u4e14\u6211\u80fd\u6307\u5b9a\uff0c\u60f3\u8981\u4ec0\u4e48\u53d1\u578b\u5c31\u9020\u51fa\u6765\u4ec0\u4e48\u53d1\u578b\u7684\u5973\u670b\u53cb\u3002\u6ce8\u610f\uff0c\u6211\u7684\u9700\u6c42\u6709\u4e00\u4e2a\u7ec6\u8282\uff1a\u5973\u670b\u53cb\u7684\u5934\u53d1\u662f\u5728\u5973\u670b\u53cb\u9020\u51fa\u6765\u540e\u5c31\u5df2\u7ecf\u6709\u7684\u3002\u8981\u60f3\u5b9e\u73b0\u8fd9\u4e2a\u9700\u6c42\u7ec6\u8282\uff0c\u610f\u5473\u7740\u5fc5\u987b\u5728\u751f\u4ea7\u5973\u670b\u53cb\u7684\u8fc7\u7a0b\u4e2d\u5c31\u5b8c\u6210\u53d1\u578b\u7684\u6784\u5efa\u3002\u5982\u679c\u4f60\u8fd8\u6709\u5370\u8c61\uff0c\u5e94\u8be5\u4f9d\u7a00\u8fd8\u8bb0\u5f97Python\u6709\u4e00\u4e2a\u5185\u7f6e\u7684\u914d\u5408class\u7528\u7684\u65b9\u6cd5init\u3002<\/p>\n\n\n\n
init\u7684\u4f5c\u7528\u5f88\u5bb9\u6613\u7406\u89e3\uff0c\u5c31\u662f\u6bcf\u6b21\u5b9e\u4f8b\u5316\u4e00\u4e2a\u7c7b\u7684\u65f6\u5019\uff0c\u4f1a\u9ed8\u8ba4\u81ea\u52a8\u8c03\u7528\u6267\u884c\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5b8c\u6210\u8fd9\u4e2a\u65b9\u6cd5\u91cc\u5b9a\u4e49\u7684\u884c\u4e3a\u3002\u8fd9\u6b63\u597d\u7b26\u5408\u6211\u4eec\u4e0a\u9762\u7684\u9700\u6c42\uff0c\u5373\u5728\u751f\u4ea7\u8fc7\u7a0b\u4e2d\uff0c\u52a0\u4e00\u4e2a\u53d1\u578b\u5de5\u827a\u73af\u8282\u3002\u73b0\u5728\u6211\u4eec\u6539\u9020\u4e00\u4e0b\u6a21\u5177\u548c\u751f\u4ea7\u5de5\u827a\uff1a<\/p>\n\n\n\n
    # \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n        size = 'C'\n        def __init__(self, hair):\n            self.hair = hair\n    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb<\/em>\n    lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')\n    mimi = Girlfriend('\u91d1\u9ec4\u77ed\u53d1')<\/code><\/pre>\n\n\n\n
\u6211\u4eec\u6765\u68c0\u9a8c\u4e00\u4e0b\u7ed3\u679c\uff1a<\/p>\n\n\n\n
    lili.age  # \u4f1a\u5f97\u523022\u8fd9\u4e2a\u503c<\/em>\n    mimi.age  # \u4e5f\u662f22<\/em>\n    lili.hair  # \u7ed3\u679c\u662f'\u4e4c\u9ed1\u957f\u53d1'<\/em>\n    mimi.hair  # \u7ed3\u679c\u662f'\u91d1\u9ec4\u77ed\u53d1'<\/em><\/code><\/pre>\n\n\n\n
\u975e\u5e38\u597d\uff0c\u4e24\u4e2a\u599e\u53d1\u578b\u5df2\u7ecf\u4e0d\u4e00\u6837\u4e86\u3002<\/p>\n\n\n\n
\u6211\u4eec\u5df2\u7136\u77e5\u9053init\u7684\u4f5c\u7528\uff1a\u5728\u5b9e\u4f8b\u5316\u4e00\u4e2a\u7c7b\u7684\u65f6\u5019\uff0c\u4f1a\u9ed8\u8ba4\u81ea\u52a8\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6267\u884c\u3002\u8fd9\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u4e0d\u5fc5\u660e\u663e\u7684\u544a\u8bc9Python\u53bb\u6267\u884c\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5728\u8fd0\u884c\u4e0b\u9762\u8fd9\u884c\u4ee3\u7801\u65f6\uff0cPython\u5df2\u7ecf\u6084\u6084\u81ea\u5df1\u6267\u884c\u8fd9\u4e2a\u65b9\u6cd5\u4e86\uff1a<\/p>\n\n\n\n
 lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')<\/code><\/pre>\n\n\n\n
\u9700\u8981\u660e\u663e\u7684\u544a\u8bc9\u7a0b\u5e8f\u53bb\u5e72\u4ec0\u4e48\u4e8b\u60c5\uff0c\u6709\u4e00\u4e2a\u9488\u5bf9\u7684\u672f\u8bed\u53eb\u300c\u663e\u5f0f\u300d\uff1b\u76f8\u5bf9\u5e94\u7684\uff0c\u4e0d\u9700\u8981\u660e\u663e\u7684\u544a\u8bc9\u7a0b\u5e8f\u53bb\u5e72\u4e8b\u60c5\uff0c\u7a0b\u5e8f\u4f1a\u6309\u7167\u65e2\u5b9a\u7684\u89c4\u5219\u81ea\u5df1\u529e\u597d\u4e8b\u60c5\u53eb\u300c\u9690\u5f0f\u300d\u3002\u5728\u4ee5\u540e\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u4f1a\u518d\u770b\u89c1\u8fd9\u4e9b\u8bcd\uff0c\u8bf7\u5927\u5bb6\u7406\u89e3\u548c\u8bb0\u4f4f\u610f\u601d\u3002<\/p>\n\n\n\n
\u663e\u7136\uff0cinit\u65b9\u6cd5\u88ab\u9690\u5f0f\u8c03\u7528\u4e86\u3002\u6211\u4eec\u53ea\u5728\u5b9a\u4e49class\u65f6\u5b9a\u4e49\u4e86\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u4f46\u540e\u7eed\u5e76\u6ca1\u6709\u663e\u5f0f\u7684\u8c03\u7528\u4ed6\uff0c\u4f46\u4ed6\u786e\u5b9e\u6267\u884c\u4e86\uff0c\u5e2e\u6211\u7684\u5973\u670b\u53cb\u505a\u597d\u4e86\u53d1\u578b\u3002\u5982\u524d\u6240\u8ff0\uff0c\u9690\u5f0f\u8c03\u7528\u662f\u7a0b\u5e8f\u6309\u7167\u300c\u65e2\u5b9a\u300d\u7684\u89c4\u5219\u529e\u4e8b\uff0c\u65e2\u5b9a\u7684\u610f\u601d\u5c31\u662f\u4e8b\u5148\u90fd\u5b9a\u4e0b\u6765\u4e86\u600e\u4e48\u505a\uff0c\u65e2\u7136\u5982\u6b64\uff0c\u5c31\u4e0d\u80fd\u968f\u610f\u53d8\u66f4\u4e8b\u5148\u5b9a\u4e0b\u7684\u7ec6\u8282\u3002\u56e0\u6b64\uff0cinit\u65b9\u6cd5\u7684\u5728\u540d\u79f0\u4e0a\u5f88\u7279\u522b\uff0cinit\u524d\u540e\u5404\u6709\u4e24\u6839\u4e0b\u5212\u7ebf\uff0c\u8fd9\u79cd\u52a0\u4e0b\u5212\u7ebf\u7684\u65b9\u6cd5\u540d\u4f60\u73b0\u5728\u53ea\u9700\u8bb0\u5f97\u5176\u76ee\u7684\u5c31\u662f\u4e0d\u8981\u8ba9\u4f60\u968f\u4fbf\u6539\u52a8\u3002\u6240\u4ee5\uff0cinit\u7684\u65b9\u6cd5\u540d\u4e0d\u80fd\u6709\u4efb\u4f55\u6539\u52a8\uff0c\u5c11\u6839\u4e0b\u5212\u7ebf\u90fd\u4e0d\u884c\u3002\u5982\u679c\u6539\u52a8\uff0c\u5219Python\u4e0d\u4f1a\u628a\u6539\u52a8\u540e\u7684\u65b9\u6cd5\u5f53\u6210init\u65b9\u6cd5\u53bb\u9690\u5f0f\u8c03\u7528\u4e86\u3002<\/p>\n\n\n\n
\u8ba9\u6211\u4eec\u518d\u6765\u770b\u770bself\u8fd9\u4e2a\u53c2\u6570\u3002\u5f53\u6211\u4eec\u5728\u5b9a\u4e49\u7c7b\u65f6\uff0c\u663e\u7136\u65e0\u6cd5\u786e\u5b9a\u540e\u7eed\u4f1a\u9020\u591a\u5c11\u4e2a\u5973\u670b\u53cb\uff0c\u4e5f\u65e0\u6cd5\u786e\u5b9a\u5973\u670b\u53cb\u7684\u540d\u5b57\uff0c\u66f4\u65e0\u6cd5\u786e\u5b9a\u5979\u4eec\u7684\u53d1\u578b\u3002\u6240\u4ee5\u6211\u4eec\u4e0d\u80fd\u518d\u7528\u5b9a\u4e49\u5e74\u7eaa\u3001\u6027\u522b\u3001\u7f69\u676f\u7c7b\u4f3c\u529e\u6cd5\u53bb\u5b9a\u4e49\u53d1\u578b\uff0c\u5426\u5219\u53ea\u4f1a\u5bfc\u81f4\u53d1\u578b\u5343\u7bc7\u4e00\u5f8b\u3002\u57fa\u4e8e\u6b64\uff0c\u6211\u4eec\u7528\u4e86init\u65b9\u6cd5\uff0c\u5728\u751f\u4ea7\u8fc7\u7a0b\u4e2d\u5b8c\u6210\u53d1\u578b\u5de5\u827a\uff0c\u5e76\u5728init\u65b9\u6cd5\u91cc\u5b9a\u4e49\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff1aself\u548chair\uff0c\u5f53\u6211\u4eec\u751f\u4ea7\u5973\u670b\u53cb\u65f6\uff1a<\/p>\n\n\n\n
    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb<\/em>\n    lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')\n    mimi = Girlfriend('\u91d1\u9ec4\u77ed\u53d1')<\/code><\/pre>\n\n\n\n
\u5bf9\u4e8einit\u5de5\u827a\uff0c\u5176\u5b9e\u6211\u4eec\u662f\u8fd9\u6837\u544a\u8bc9\u7a0b\u5e8f\u7684\uff1a<\/p>\n\n\n\n
\n
lili\u548cmimi\u5e74\u7eaa\u3001\u6027\u522b\u3001\u7f69\u676f\u90fd\u4e00\u6837<\/p>\n\n\n\n
lili\u7684hair\u662f’\u4e4c\u9ed1\u957f\u53d1’<\/p>\n\n\n\n
mimi\u7684hair\u662f’\u91d1\u9ec4\u77ed\u53d1’<\/p>\n<\/blockquote>\n\n\n\n
\u5bf9\u4e8e\u300clili\u7684hair\u662f’\u4e4c\u9ed1\u957f\u53d1’\u300d\u8fd9\u53e5\u8bdd\uff0c\u672c\u8d28\u4e0a\u662f\u5728\u8bf4\u660e\u300c\u8c01\u7684\u5934\u53d1\u662f\u4ec0\u4e48\u53d1\u578b\uff1f\u300d\u3002\u6240\u4ee5\u6709\u4e24\u5c42\u610f\u601d\uff1a1\uff09\u8c01\u7684\u5934\u53d1\uff1f2\uff09\u5934\u53d1\u7684\u53d1\u578b\u662f\u4ec0\u4e48\uff1f\uff0c\u4e24\u5c42\u610f\u601d\u7ec4\u5408\u5728\u4e00\u8d77\u624d\u662f\u6709\u610f\u4e49\u7684\uff0c\u5b8c\u6574\u7684\u610f\u601d\u8868\u8fbe\uff0c\u7f3a\u4e00\u4e0d\u53ef\u3002\u6211\u4eec\u5957\u4e0a\u7a0b\u5e8f\u6765\u770b\uff0c\u663e\u7136\u7a0b\u5e8f\u521a\u597d\u4e5f\u8981\u6c42\u4f20\u5165\u4e24\u4e2a\u53c2\u6570\u3002\u53c2\u6570hair\u5bf9\u5e94\u300c\u5934\u53d1\u7684\u53d1\u578b\u662f\u4ec0\u4e48\uff1f\u300d\u518d\u663e\u7136\u4e0d\u8fc7\uff0c\u90a3\u4e48\u5269\u4e0b\u7684self\u5e94\u8be5\u5c31\u662f\u5bf9\u5e94\u300c\u8c01\u7684\uff1f\u300d\u4e86\u3002\u4f46\u662f\u300c\u8c01\u7684\u300d\u5728\u82f1\u6587\u91cc\u4e0d\u662f\u300cwhose\u300d\u5417\uff1f\u6240\u4ee5\u8fd9\u6837\u884c\u4e0d\u884c\uff1a<\/p>\n\n\n\n
    # \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n        size = 'C'\n\n        def __init__(whose, hair):\n            whose.hair = hair\n\n    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb<\/em>\n    lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')\n    mimi = Girlfriend('\u91d1\u9ec4\u77ed\u53d1')<\/code><\/pre>\n\n\n\n
\u5373self\u53c2\u6570\u66f4\u540d\u4e3awhose\uff0c\u884c\u4e0d\u884c\uff1f\u884c\uff01<\/p>\n\n\n\n
\u4e3e\u4e0a\u8ff0\u7684\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u662f\u8981\u660e\u786e\u7684\u544a\u8bc9\u4f60self\u8fd9\u4e2a\u53c2\u6570\u540d\u5e76\u4e0d\u662fPython\u7684\u5173\u952e\u5b57\uff0c\u6ca1\u6709\u4e0d\u80fd\u66f4\u540d\u7684\u9650\u5236\uff0c\u7136\u800c\u7531\u4e8e\u5168\u4e16\u754c\u7a0b\u5e8f\u5458\u7684\u4e60\u60ef\uff0c\u7ea6\u5b9a\u4fd7\u6210\u603b\u662f\u7528self\u8fd9\u4e2a\u82f1\u6587\u5355\u8bcd\uff0c\u6240\u4ee5\u4f60\u5728Python\u4ee3\u7801\u4e2d\u7ecf\u5e38\u770b\u89c1\u4ed6\u3002\u800c\u5728Python\u4e2d\uff0c\u300c\u8c01\u7684\uff1f\u300d\u8fd9\u4e2a\u4fe1\u606f\u901a\u5e38\u5c31\u662f\u5b9e\u4f8b\u672c\u8eab\u3002\u5b9e\u4f8b\u5c31\u662f\u9020\u51fa\u6765\u7684\u5973\u670b\u53cb\uff0c\u5973\u670b\u53cb\u662f\u300c\u5bf9\u8c61\u300d\uff0c\u6240\u4ee5\u5b9e\u4f8b\u4e5f\u662f\u5bf9\u8c61\u3002\u65e2\u7136self\u662f\u7528\u6765\u63a5\u6536\u5b9e\u4f8b\uff0c\u90a3\u4e48self\u6700\u540e\u4e5f\u662f\u5bf9\u8c61\uff0c\u7efc\u4e0a\uff0c\u5f62\u6210\u4e86\u4f60\u4ee5\u524d\u4e5f\u8bb8\u5df2\u7ecf\u770b\u5230\u6216\u4e86\u89e3\u7684\u51e0\u4e2a\u6982\u5ff5\uff1a<\/p>\n\n\n\n
1\uff09self\u7684\u4f5c\u7528\u662f\u7528\u6765\u63a5\u6536\u5b9e\u4f8b\u7684\uff0c\u7528\u6765\u5f62\u6210\u5b9e\u4f8b\u7684\u547d\u540d\u7a7a\u95f4\uff08\u8fd9\u6d89\u53caPython\u91cc\u300c\u547d\u540d\u7a7a\u95f4\u300d\u7684\u6982\u5ff5\uff0c\u4f60\u8981\u6709\u4e00\u4e2a\u521d\u6b65\u7684\u8ba4\u8bc6\uff0c\u5426\u5219\u8fd9\u53e5\u8bdd\u770b\u4e0d\u61c2\u3002\u547d\u540d\u7a7a\u95f4\u7684\u6982\u5ff5\u4ee5\u540e\u4f1a\u8bb2\u5230\uff09\u3002<\/p>\n\n\n\n
2\uff09self\u7c7b\u4f3c\u4e8e\u4e2d\u6587\u91cc\u7684\u300c\u4f60\u3001\u6211\u3001\u4ed6\u3001\u5979\u3001\u5b83\u300d\u7684\u6982\u5ff5\uff0c\u5728\u4e2d\u6587\u4e2d\u300c\u4f60\u3001\u6211\u3001\u4ed6\u3001\u5979\u3001\u5b83\u300d\u6307\u4ee3\u4e86\u5177\u4f53\u7684\u4eba\u6216\u7269\uff0c\u5728Python\u4e2dself\u5219\u6307\u4ee3\u4e86\u5177\u4f53\u7684\u5b9e\u4f8b\uff0c\u5b9e\u4f8b\u5c31\u662f\u300clili = Girlfriend(‘\u4e4c\u9ed1\u957f\u53d1’)\u300d\u8fd9\u6bb5\u4ee3\u7801\u7b49\u4e8e\u53f7\u5de6\u8fb9\u7684\u90a3\u4e2a\u5177\u4f53\u7684\u4e1c\u897f\u3002\u6307\u4ee3\u5728\u4e2d\u6587\u91cc\u4e5f\u53ef\u4ee5\u6362\u79cd\u8bf4\u6cd5\uff1a\u300c\u5f15\u7528\u300d\u3002<\/p>\n\n\n\n
3\uff09\u65e2\u7136self\u5176\u5b9e\u5c31\u662f\u6307\u4ee3\u4e86\u5177\u4f53\u7684\u5b9e\u4f8b\uff0c\u90a3\u4e48self\u4e5f\u5c06\u662f\u5bf9\u8c61\u3002<\/p>\n\n\n\n
\u73b0\u5728\uff0c\u4f60\u5e94\u8be5\u5bf9class\u7684init\u548cself\u7684\u5e94\u7528\u573a\u666f\u4ee5\u53ca\u542b\u4e49\u6709\u4e86\u8fdb\u4e00\u6b65\u7684\u8ba4\u8bc6\u3002<\/p>\n\n\n\n
@staticmethod<\/h2>\n\n\n\n
\u8ba9\u6211\u4eec\u63a5\u7740\u518d\u5bf9\u6a21\u5177\u505a\u4e00\u4e2a\u5fae\u5c0f\u7684\u6539\u8fdb\uff1a<\/p>\n\n\n\n
  # \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n        size = 'C'\n\n        def __init__(self, hair):\n            self.hair = hair\n\n        def about_me(self):\n            print('\u5e74\u82b3{0}\uff0c\u6027\u522b{1}\uff0c\u8eab\u6750{2}\u68d2\u68d2\u54d2\uff0c\u4e00\u5934{3}'.format(self.age, self.sex, self.size, self.hair))\n\n    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb<\/em>\n    lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')\n    mimi = Girlfriend('\u91d1\u9ec4\u77ed\u53d1')<\/code><\/pre>\n\n\n\n
\u4e0a\u9762\u5fae\u5c0f\u7684\u6539\u8fdb\u4e2d\uff0c\u6211\u4eec\u589e\u52a0\u4e86\u4e00\u4e2a\u540d\u4e3a\u300cabout_me\uff08\uff09\u300d\u65b9\u6cd5\uff0c\u987e\u540d\u601d\u4e49\uff0c\u901a\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\u4e24\u4f4d\u7f8e\u5973\u80fd\u6765\u4e00\u5c0f\u6bb5\u81ea\u6211\u4ecb\u7ecd\uff0c\u6211\u4eec\u5c1d\u8bd5\u4e00\u4e0b\uff1a<\/p>\n\n\n\n
    lili.about_me()  # \u7ed3\u679c\uff1a\u5e74\u82b322\uff0c\u6027\u522b\u5973\uff0c\u8eab\u6750C\u68d2\u68d2\u54d2\uff0c\u4e00\u5934\u4e4c\u9ed1\u957f\u53d1<\/em>\n    mimi.about_me()  # \u7ed3\u679c\uff1a\u5e74\u82b322\uff0c\u6027\u522b\u5973\uff0c\u8eab\u6750C\u68d2\u68d2\u54d2\uff0c\u4e00\u5934\u91d1\u9ec4\u77ed\u53d1<\/em><\/code><\/pre>\n\n\n\n
\u771f\u597d\uff0c\u6211\u4eec\u4e0d\u7528\u518d\u9010\u4e2a\u67e5\u8be2\u7f8e\u5973\u7684\u5c5e\u6027\u4e86\u3002\u901a\u8fc7\u4e0a\u9762\u7684\u8fd9\u4e2a\u4f8b\u5b50\uff0c\u7f8e\u5973\u4f1a\u901a\u8fc7\u81ea\u6211\u4ecb\u7ecd\u76f4\u63a5\u544a\u8bc9\u6211\u5979\u7684\u5168\u90e8\u4fe1\u606f\u3002format\u65b9\u6cd5\u662f\u4e00\u4e2a\u5728Python3\u4e2d\u51fa\u73b0\u7684\u57fa\u7840\u65b9\u6cd5\uff0c\u7528\u6765\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u4efb\u4f55Python3\u7684\u57fa\u672c\u6559\u7a0b\u91cc\u90fd\u4f1a\u8c08\u53ca\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n\n\n\n
\u5728\u4f60\u7528PyCharm\u6216\u5176\u4ed6\u6bd4\u8f83\u667a\u80fd\u7684\u7f16\u8f91\u5668\u5199about_me\u8fd9\u4e2a\u65b9\u6cd5\u65f6\uff0c\u7f16\u8f91\u5668\u4f1a\u81ea\u52a8\u5f80\u62ec\u53f7\u91cc\u5199\u4e00\u4e2aself\u53c2\u6570\u3002\u6211\u5341\u5206\u597d\u5947\u53bb\u6389\u4f1a\u600e\u4e48\u6837\uff0c\u90a3\u5c31\u53bb\u6389\u8bd5\u8bd5\uff1a<\/p>\n\n\n\n
    # \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n        size = 'C'\n\n        def __init__(self, hair):\n            self.hair = hair\n\n        def about_me():\n            print('\u5e74\u82b3{0}\uff0c\u6027\u522b{1}\uff0c\u8eab\u6750{2}\u68d2\u68d2\u54d2\uff0c\u4e00\u5934{3}'.format(age, sex, size, hair))\n\n    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb<\/em>\n    lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')\n    mimi = Girlfriend('\u91d1\u9ec4\u77ed\u53d1')<\/code><\/pre>\n\n\n\n
\u6211\u4eec\u6700\u65b0\u7684\u6a21\u5177\u91cc\uff0c\u5c06about_me\u65b9\u6cd5\u4e2d\u539f\u6765\u7684\u53c2\u6570self\u53bb\u6389\u4e86\u3002\u800c\u8fd0\u884c\u751f\u4ea7\u8fc7\u7a0b\u65f6\uff0c\u5c45\u7136\u6ca1\u6709\u4efb\u4f55\u62a5\u9519\uff0c\u53ef\u4ee5\u8fd0\u884c\u3002\u4f7f\u7528\u7c7b\u4f3clili.age\u7684\u5c5e\u6027\u67e5\u8be2\u4e5f\u6b63\u5e38\uff0c\u63a5\u7740\u6211\u4eec\u8bd5\u8bd5lili.about_me\uff08\uff09\uff0c\u7a0b\u5e8f\u62a5\u9519\uff1a<\/p>\n\n\n\n
\n
Traceback (most recent call last):<\/p>\n\n\n\n
File “<input>”, line 1, in <module><\/p>\n\n\n\n
TypeError: about_me() takes 0 positional arguments but 1 was given<\/p>\n<\/blockquote>\n\n\n\n
\u62a5\u9519\u4fe1\u606f\u5f88\u597d\u7406\u89e3\uff0c\u610f\u601d\u662fabout_me()\u65b9\u6cd5\u4e0d\u63a5\u53d7\u4efb\u4f55\u53c2\u6570\uff0c\u4f46\u6211\u4eec\u8bd5\u56fe\u8981\u4f20\u5165\u4e00\u4e2a\u3002\u8fd9\u5c31\u5947\u602a\u4e86\uff0c\u6211\u4eec\u521a\u624d\u8fd8\u6709\u4e4b\u524d\u8fd0\u884cabout_me() \u65b9\u6cd5\u65f6\uff0c\u90fd\u6ca1\u6709\u4f20\u5165\u4efb\u4f55\u53c2\u6570\u3002\u786e\u5b9e\uff0c\u6211\u4eec\u7684\u786e\u6ca1\u6709\u5728about_me() \u7684\u62ec\u53f7\u91cc\u663e\u5f0f\u7684\u4f20\u5165\u4efb\u4f55\u53c2\u6570\uff0c\u4f46\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u7a0b\u5e8f\u4f1a\u9690\u5f0f\u7684\u5e72\u4e00\u4e9b\u4e8b\u60c5\u3002\u6ca1\u9519\uff0c\u7b54\u6848\u5c31\u662f\u6bcf\u6b21\u8fd0\u884c\u4e00\u4e2a\u5b9e\u4f8b\u65b9\u6cd5\u65f6\uff0c\u7a0b\u5e8f\u4f1a\u81ea\u52a8\u5c06\u5b9e\u4f8b\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u5165\u5230\u65b9\u6cd5\uff0c\u8fd9\u662f\u7a0b\u5e8f\u5728\u300c\u786c\u809b\u300d\u65b9\u6cd5\uff0c\u800c\u663e\u7136\u6211\u4eec\u628a\u65b9\u6cd5\u539f\u6765\u7684\u552f\u4e00\u7684\u300c\u5165\u53e3\u300dself\u53c2\u6570\u7ed9\u53bb\u6389\u4e86\uff0c\u6ca1\u4e86\u300c\u5165\u53e3\u300d\uff0c\u7a0b\u5e8f\u300c\u786c\u809b\u300d\u6298\u4e86\uff0c\u6240\u4ee5\u62a5\u9519\u57cb\u6028\u6211\u4eec\u4e86\u3002\u518d\u6765\u770babout_me\u65b9\u6cd5\u91cc\uff0c\u6211\u4eec\u5728format\u91cc\u4ea6\u4f20\u5165\u4e86age, sex, size, hair\u8fd9\u56db\u4e2a\u53d8\u91cf\u3002format\u65b9\u6cd5\u662f\u5728about_me\u91cc\u8fd0\u884c\u7684\uff0c\u57fa\u4e8e\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u7684\u57fa\u672c\u8bed\u6cd5\u539f\u5219\uff0c\u663e\u7136\u8fd9\u6709\u95ee\u9898\u3002\u56e0\u4e3a\u65b9\u6cd5\u91cc\u8fd0\u884c\u7684\u6ca1\u6709\u5b9a\u4e49\u8d4b\u503c\u7684\u53d8\u91cf\uff0c\u90fd\u8981\u9760\u65b9\u6cd5\u672c\u8eab\u4f20\u5165\u7684\u53c2\u6570\u53bb\u4e00\u4e00\u5bf9\u5e94\uff0c\u8fd9\u4fbf\u662f\u65b9\u6cd5\u53c2\u6570\u5b58\u5728\u7684\u610f\u4e49\u3002\u6240\u4ee5\u6211\u4eec\u6062\u590d\u539f\u6837\uff0c\u5148\u5bf9about_me\u65b9\u6cd5\u8981\u6c42\u4f20\u5165\u4e00\u4e2a\u53c2\u6570\u7528\u6765\u63a5\u5e94\u5b9e\u4f8b\uff0c\u5148\u89e3\u51b3\u7a0b\u5e8f\u8981\u300c\u786c\u809b\u300d\u7684\u9700\u6c42\u3002\u6587\u7ae0\u4e4b\u524d\u8bb2self\u65f6\uff0c\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u63a5\u6536\u5b9e\u4f8b\u7684\u53c2\u6570\u7ea6\u5b9a\u4fd7\u79f0\u7528self\u8fd9\u4e2a\u5355\u8bcd\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u7528\u8fd9\u4e2a\u3002\u90a3\u53c8\u5192\u51fa\u4e00\u4e2a\u95ee\u9898\uff1a\u65e2\u7136format\u8981\u7528\u5230\u56db\u4e2a\u53c2\u6570\uff0c\u4e3a\u4ec0\u4e48\u6211\u4eec\u53ea\u4f20\u5165\u4e86\u4e00\u4e2a\uff1f\u7b54\u6848\u4e5f\u8bb8\u4f60\u6709\u4e86\u3002\u6ca1\u9519\uff0cself\u4f20\u5165\u7684\u662f\u4e00\u6574\u4e2a\u5b9e\u4f8b\u5bf9\u8c61\uff0c\u6216\u8005\u8bf4\u662f\u4e00\u6574\u4e2a\u7f8e\u5973\uff0c\u6240\u4ee5\u7f8e\u5973\u7684\u5e74\u9f84\uff0c\u7f8e\u5973\u7684\u6027\u522b\uff0c\u7f8e\u5973\u7684\u5934\u53d1\u90fd\u53ef\u4ee5\u77e5\u6653\u4e86\uff0c\u53ea\u9700\u8981\u7528\u6211\u4eec\u719f\u6089\u7684\u300c\u7f8e\u5973.\u5c5e\u6027\u300d\u5c31\u53ef\u4ee5\u5f97\u5230\uff0c\u800c\u7ed3\u5408\u4e4b\u524d\u8c08\u5230\u7684\u6307\u4ee3\u5173\u7cfb\uff0c\u90a3\u4e48\u987a\u7406\u6210\u7ae0\u5c31\u662f\u7528\u300cself.age\u300d\u8fd9\u6837\u7684\u65b9\u5f0f\u5c31\u80fd\u83b7\u53d6\u5230\u6240\u9700\u7684\u5c5e\u6027\u4e86\uff0c\u56e0\u800c\u6211\u4eec\u53ea\u9700\u8981self\u4e00\u4e2a\u53c2\u6570\u5373\u53ef\u3002<\/p>\n\n\n\n
\u5bf9\u6062\u590d\u539f\u6837\u540e\u7684\u6a21\u5177\uff0c\u6211\u4eec\u518d\u52a0\u4ee5\u6539\u8fdb\uff0c\u4e00\u6837\uff0c\u300c\u505a\u4e00\u70b9\u5fae\u5c0f\u7684\u5de5\u4f5c\u300d\uff1a<\/p>\n\n\n\n
# \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n        size = 'C'\n\n        def __init__(self, hair):\n            self.hair = hair\n\n        def about_me(self):\n            print('\u5e74\u82b3{0}\uff0c\u6027\u522b{1}\uff0c\u8eab\u6750{2}\u68d2\u68d2\u54d2\uff0c\u4e00\u5934{3}'.format(self.age, self.sex, self.size, self.hair))\n\n        def bio():\n            print('\u5168\u5fc3\u5168\u610f\u4e3a\u4e3b\u4eba\u670d\u52a1!')<\/code><\/pre>\n\n\n\n
\u4e3a\u4e86\u8282\u7701\u4e00\u70b9\u7bc7\u5e45\uff0c\u6211\u5c31\u4e0d\u91cd\u590d\u300c\u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb\u300d\u7684\u8fc7\u7a0b\u4e86\u3002\u8ba9\u6211\u4eec\u770b\u4e0a\u9762\u7684\u8fd9\u4e2a\u6a21\u5177\uff0c\u6211\u4eec\u53c8\u589e\u52a0\u4e86\u4e00\u4e2a\u540d\u4e3abio\u7684\u65b9\u6cd5\uff0c\u987e\u540d\u601d\u4e49\uff0c\u5c31\u662f\u8ba9\u9020\u51fa\u6765\u7684\u7f8e\u5973\u53e3\u5934\u7985\u5c31\u662f\u8fd9\u4e2a\u3002\u6709\u4e86\u524d\u9762\u7684\u7ecf\u9a8c\uff0c\u6211\u4eec\u53ef\u4ee5\u731c\u5230bio\u8fd9\u4e2a\u65b9\u6cd5\u80af\u5b9a\u4f1a\u51fa\u95ee\u9898\u3002\u56e0\u4e3a\u7a0b\u5e8f\u8fd8\u4f1a\u6ca1\u8282\u64cd\u7684\u300c\u786c\u809b\u300d\uff0c\u6240\u4ee5\u80af\u5b9a\u4f1a\u62a5\u9519\u3002\u4f46bio\u8fd9\u4e2a\u65b9\u6cd5\u672c\u8eab\u5c31\u662f\u6253\u5370\u4e00\u53e5\u53e3\u5934\u7985\uff0c\u4e0d\u9700\u8981\u4efb\u4f55\u53c2\u6570\u53c2\u4e0e\uff0c\u603b\u4e0d\u80fd\u8131\u4e86\u88e4\u5b50\u653e\u5c41\uff0c\u4e3a\u4e86\u80fd\u6b63\u5e38\u8fd0\u884c\u5728\u4e0d\u9700\u8981\u7684\u60c5\u51b5\u4e0b\u4e5f\u5f00\u4e2a\u5165\u53e3\uff08\u8bbe\u7f6e\u4e00\u4e2a\u53c2\u6570\uff09\u5427\uff1f<\/p>\n\n\n\n
\u975e\u5e38\u597d\u7684\u662f\uff0cPython\u65e9\u5df2\u8d34\u5fc3\u7684\u4e3a\u6211\u4eec\u5e94\u5bf9\u8fd9\u79cd\u573a\u666f\u63d0\u4f9b\u4e86\u624b\u6bb5\uff0c\u662f\u65f6\u5019\u8bf7\u51fa\u672c\u8282\u7684\u4e3b\u89d2@staticmethod\u4e86\uff0c\u8ba9\u6211\u4eec\u7a0d\u52a0\u6539\u8fdb\u4e00\u4e0b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n
# \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n        size = 'C'\n\n        def __init__(self, hair):\n            self.hair = hair\n\n        def about_me(self):\n            print('\u5e74\u82b3{0}\uff0c\u6027\u522b{1}\uff0c\u8eab\u6750{2}\u68d2\u68d2\u54d2\uff0c\u4e00\u5934{3}'.format(self.age, self.sex, self.size, self.hair))\n\n        @staticmethod    \n        def bio():\n            print('\u5168\u5fc3\u5168\u610f\u4e3a\u4e3b\u4eba\u670d\u52a1!')<\/code><\/pre>\n\n\n\n
\u771f\u662f\u5fae\u5c0f\u7684\u5de5\u4f5c\uff0c\u6211\u4eec\u5728bio\u65b9\u6cd5\u4e0a\u9762\u4e00\u884c\u589e\u52a0\u4e86@staticmethod\u3002\u5148\u522b\u7ba1\u592a\u591a\uff0c\u8ba9\u6211\u4eec\u8fd0\u884c\u4e00\u4e0blili.bio()\u770b\u770b\uff1a<\/p>\n\n\n\n
 lili.bio()  # \u7ed3\u679c\uff1a\u5168\u5fc3\u5168\u610f\u4e3a\u4e3b\u4eba\u670d\u52a1!<\/em><\/code><\/pre>\n\n\n\n
\u7ed3\u679c\u6b63\u5e38\uff01\u73b0\u5728\u518d\u62b1\u7740\u94bb\u7814\u7684\u5fc3\u6001\uff0c\u5bf9bio\u65b9\u6cd5\u589e\u52a0\u4e00\u4e2aself\u53c2\u6570\uff0c\u6211\u4eec\u518d\u8fd0\u884c\u4e00\u628a\u770b\u770b\u3002\u7ed3\u679c\u62a5\u9519\uff1a<\/p>\n\n\n\n
\n
Traceback (most recent call last):<\/p>\n\n\n\n
File “<input>”, line 1, in <module><\/p>\n\n\n\n
TypeError: bio() missing 1 required positional argument: ‘self’<\/p>\n<\/blockquote>\n\n\n\n
\u610f\u601d\u4e5f\u5f88\u597d\u7406\u89e3\uff0c\u8fd9\u56de\u7a0b\u5e8f\u57cb\u6028\u7684\u662f\u300c\u6211\u4e0d\u60f3\u809b\u4e86\u4f60\u975e\u8981\u5f04\u4e2a\u5165\u53e3\u8ba9\u6211\u809b\u300d\uff0c\u5373\u65b9\u6cd5\u8981\u6c42\u4f20\u5165\u4e00\u4e2a\u53c2\u6570\uff0c\u4f46\u7a0b\u5e8f\u6ca1\u6709\u4efb\u4f55\u53c2\u6570\u4f20\u5165\u3002<\/p>\n\n\n\n
\u6240\u4ee5@staticmethod\u7684\u5e94\u7528\u573a\u666f\u548c\u4f5c\u7528\u4e5f\u663e\u800c\u6613\u89c1\u4e86\u3002\u4e00\u65e6\u5bf9\u4e00\u4e2a\u65b9\u6cd5\u5e94\u7528@staticmethod\uff0c\u5219\u5728\u5b9e\u4f8b\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u65f6\uff0c\u4e0d\u4f1a\u518d\u8bd5\u56fe\u4f20\u5165\u5b9e\u4f8b\u672c\u8eab\u3002\u8fd9\u6837\u5f88\u5bb9\u6613\u8054\u60f3\u5230@staticmethod\u5c31\u662f\u7528\u5728\u90a3\u4e9b\u4e0d\u9700\u8981\u5b9e\u4f8b\u76f4\u63a5\u53c2\u4e0e\u7684\u65b9\u6cd5\u4e0a\u3002\u90a3\u4ec0\u4e48\u6837\u7684\u7c7b\u65b9\u6cd5\u4e0d\u9700\u8981\u5b9e\u4f8b\u76f4\u63a5\u53c2\u4e0e\u5462\uff1f\u6700\u5e38\u89c1\u7684\u83ab\u8fc7\u4e8e\u4e24\u79cd\uff1a\u4e00\u79cd\u662f\u6211\u4eec\u4e0a\u9762\u4e3e\u7684\u4f8b\u5b50\uff0c\u5373\u5b9e\u4f8b\u901a\u7528\u7684\u65b9\u6cd5\u3002\u53e6\u4e00\u79cd\u662f\u4f9b\u5b9e\u4f8b\u65b9\u6cd5\u8c03\u7528\u7684\u65b9\u6cd5\uff0c\u6bd4\u5982\u7c7b\u91cc\u6709\u65b9\u6cd5\u4e00\uff0c\u65b9\u6cd5\u4e8c\uff0c\u65b9\u6cd5\u4e09\uff0c\u65b9\u6cd5\u4e8c\u548c\u65b9\u6cd5\u4e09\u9700\u8981\u501f\u52a9\u65b9\u6cd5\u4e00\u8fd0\u7b97\u51fa\u4e00\u4e2a\u7ed3\u679c\uff0c\u8fd9\u65f6\u4f1a\u5728\u65b9\u6cd5\u4e8c\u3001\u65b9\u6cd5\u4e09\u7684\u4ee3\u7801\u91cc\u8c03\u7528\u65b9\u6cd5\u4e00\uff0c\u65b9\u6cd5\u4e00\u7684\u4f5c\u7528\u53ea\u5728\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\u7136\u540e\u8fd4\u56de\u4e00\u4e2a\u8fd0\u7b97\u7ed3\u679c\uff0c\u4e0d\u9700\u8981\u4f20\u5165\u5b9e\u4f8b\uff0c\u8fd9\u65f6\u53ef\u4ee5\u5728\u65b9\u6cd5\u4e00\u4e0a\u5199@staticmethod\uff0c\u800c\u4e14\u8fd9\u79cd\u4f8b\u5b50\u4f60\u53ef\u4ee5\u731c\u5230\u65b9\u6cd5\u4e00\u5e94\u8be5\u662f\u7b97\u4e00\u4e2a\uff08\u4ec5\u4f9b\u5185\u90e8\u8c03\u7528\u7684\uff09\u7279\u6b8a\u65b9\u6cd5\uff0c\u5e76\u4e0d\u5e0c\u671b\u88ab\u5916\u90e8\u968f\u610f\u8c03\u7528\uff0c\u6240\u4ee5\u8fd9\u79cd\u65b9\u6cd5\u7684\u51fd\u6570\u540d\u901a\u5e38\u4f1a\u5728\u524d\u9762\u52a0\u4e00\u6839\u4e0b\u5212\u7ebf\u3002<\/p>\n\n\n\n
\u5728\u8c08\u5230@staticmethod\u65f6\u4e3e\u7684\u4f8b\u5b50\u5176\u5b9e\u76f8\u5f53\u65e0\u804a\uff0c\u4e0a\u9762\u8bf4\u7684\u65b9\u6cd5\u4e00\u3001\u4e8c\u3001\u4e09\u7684\u4f8b\u5b50\u5176\u573a\u666f\u662f\u5f88\u5c11\u53d1\u751f\u7684\uff0c\u6240\u4ee5@staticmethod\u7684\u51fa\u955c\u7387\u76f8\u5bf9\u800c\u8a00\u5176\u5b9e\u5f88\u4f4e\uff0c\u5f88\u5c11\u88ab\u7528\u5230\u3002<\/p>\n\n\n\n
@classmethod<\/h2>\n\n\n\n
\u5f53\u6211\u4eec\u7406\u89e3@staticmethod\u7684\u573a\u666f\u548c\u4f5c\u7528\u540e\uff0c\u7406\u89e3@classmethod\u4e5f\u5c06\u53d8\u5f97\u5bb9\u6613\u5f97\u591a\u3002\u56e0\u4e3a\u67d0\u79cd\u7a0b\u5ea6\u4e0a\u8bf4\uff0c@classmethod\u548c@staticmethod\u6709\u5171\u901a\u7684\u5730\u65b9\u3002\u8fd8\u662f\u8ba9\u6211\u4eec\u8fd8\u662f\u4ece\u6539\u9020\u6a21\u5177\u5f00\u59cb\uff1a<\/p>\n\n\n\n
 # \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n        size = 'C'\n\n        def __init__(self, hair):\n            self.hair = hair\n\n        def about_me(self):\n            print('\u5e74\u82b3{0}\uff0c\u6027\u522b{1}\uff0c\u8eab\u6750{2}\u68d2\u68d2\u54d2\uff0c\u4e00\u5934{3}'.format(self.age, self.sex, self.size, self.hair))\n\n        @staticmethod\n        def bio():\n            print('\u5168\u5fc3\u5168\u610f\u4e3a\u4e3b\u4eba\u670d\u52a1!')\n\n        @classmethod\n        def cls_name(cls):\n            print('\u5f53\u524d\u4f7f\u7528\u6a21\u5177\u662f{0}'.format(cls.__name__))<\/code><\/pre>\n\n\n\n
\u8fd9\u6b21\u6211\u5c06\u6a21\u5177\u8fdb\u884c\u4e86\u4e00\u4e2a\u5c0f\u7684\u6539\u8fdb\uff0c\u6dfb\u52a0\u4e86\u4e00\u4e2a\u540d\u4e3acls_name\u7684\u65b9\u6cd5\u3002\u56e0\u4e3a\u6211\u540e\u7eed\u6253\u7b97\u518d\u505a\u4e00\u4e9b\u5176\u4ed6\u5404\u79cdfriend\u7684\u6a21\u5177\uff08\u7c7b\uff09\uff0c\u4e3a\u4e86\u907f\u514d\u6211\u5f04\u6df7\u4e86\u4e0d\u77e5\u9053\u73b0\u5728\u7528\u7684\u662f\u54ea\u4e2a\u6a21\u5177\u5728\u751f\u4ea7\uff0c\u6211\u52a0\u4e86\u8fd9\u4e2a\u65b9\u6cd5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f5c\u7528\u662f\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u663e\u793a\u51fa\u5f53\u524d\u6a21\u5177\u7684\u540d\u79f0\uff0c\u4e5f\u5c31\u662f\u4ee3\u7801class\u7684\u540d\u79f0\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u4f7f\u7528\uff1a<\/p>\n\n\n\n
    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb<\/em>\n    lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')\n    mimi = Girlfriend('\u91d1\u9ec4\u77ed\u53d1')     \n\n    lili.cls_name()  # \u663e\u793a\uff1a\u5f53\u524d\u4f7f\u7528\u6a21\u5177\u662fGirlfriend<\/em>\n    Girlfriend.cls_name()  # \u663e\u793a\uff1a\u5f53\u524d\u4f7f\u7528\u6a21\u5177\u662fGirlfriend<\/em><\/code><\/pre>\n\n\n\n
\u4ece\u521a\u624d\u7684\u4f8b\u5b50\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\u7528\u4e86\u4e24\u79cd\u4e0d\u540c\u7684\u65b9\u5f0f\u5f97\u5230\u4e86\u540c\u4e00\u4e2a\u7ed3\u679c\uff0c\u6709\u5173\u4e8e\u8fd9\u70b9\u6211\u4eec\u7a0d\u540e\u518d\u8c08\uff0c\u5148\u8ba9\u6211\u4eec\u56de\u5230\u5f00\u5934\uff0c\u4ece\u5f00\u59cb\u8bf4\u8d77\u3002<\/p>\n\n\n\n
\u5f53\u6211\u4eec\u5b66\u4e60Python\u57fa\u7840\u7684\u65f6\u5019\uff0c\u51e0\u4e4e\u6240\u6709\u7684\u56fe\u4e66\u6559\u7a0b\u90fd\u4f1a\u544a\u8bc9\u6211\u4eec\u4e00\u4e2a\u77e5\u8bc6\u70b9\uff1aPython\u4e3a\u4e86\u5185\u7f6e\u7684\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u66f4\u65b9\u4fbf\u4f7f\u7528\u3002\u7b80\u800c\u8a00\u4e4b\uff0cPython\u4e3aclass\u8fd9\u4e2a\u5bf9\u8c61\u5185\u7f6e\u4e86\u4e00\u4e9b\u65b9\u6cd5\u548c\u5c5e\u6027\u4f9b\u6211\u4eec\u76f4\u63a5\u4f7f\u7528\uff0c\u6bd4\u5982__name__\u548c__dict__\u7b49\u7b49\uff0c\u6211\u4eec\u5df2\u7ecf\u8c08\u5230\u8fc7\u662f\u5185\u7f6e\u7684\u540d\u79f0\u524d\u540e\u5c31\u4f1a\u90fd\u6709\u53cc\u4e0b\u5212\u7ebf\uff0c\u8fd9\u91cc\u4e5f\u662f\u8fd9\u6837\u3002\u5728\u4e0a\u9762\u6700\u65b0\u7684\u6a21\u5177\u4e2d\uff0c\u6211\u4eec\u5e94\u7528\u4e86class\u7684\u4e00\u4e2a\u5185\u7f6e\u7684name\u5c5e\u6027\uff0c\u800c\u8fd9\u4e2aname\u8bb0\u8f7d\u4e86class\u7684\u540d\u79f0\uff0c\u6240\u4ee5\u7528\u7c7b\u4f3c\u300cclass.__name__\u300d\u8fd9\u6837\u7684\u8bed\u6cd5\u5c31\u80fd\u83b7\u5f97\u8fd9\u4e2a\u540d\u79f0\u3002<\/p>\n\n\n\n
\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\uff0c\u5982\u679c\u5bf9class\u91cc\u7684\u65b9\u6cd5\uff08\u51fd\u6570\uff09\u4e0d\u7528@staticmethod\u88c5\u9970\uff0c\u8c03\u7528\u7684\u65f6\u5019\u5c31\u4f1a\u88ab\u7a0b\u5e8f\u786c\u585e\u4e00\u4e2a\u5b9e\u4f8b\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u5165\uff0c\u7528@staticmethod\u5219\u8c03\u7528\u7684\u65f6\u5019\u4e0d\u9690\u5f0f\u7684\u4f20\u4e1c\u897f\u4e86\uff0c\u800c\u73b0\u5728\u6211\u4eec\u7684\u9700\u6c42\u662f\u67e5\u770b\u663e\u793a\u6a21\u5177\u672c\u8eab\u7684\u4e00\u4e2a\u5c5e\u6027\uff0c\u8ddf\u5b9e\u4f8b\u65e0\u5173\uff0c\u6240\u4ee5\u53ef\u4ee5\u60f3\u5230\u5fc5\u987b\u8ba9\u65b9\u6cd5\u80fd\u63a5\u6536\u6a21\u5177\uff08\u7c7b\uff09\u800c\u4e0d\u662f\u5b9e\u4f8b\u4f5c\u4e3a\u4e00\u4e2a\u53c2\u6570\u4f20\u5165\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5b66\u4f1a\u4e86\u8981\u4e48\u9690\u5f0f\u4f20\u5b9e\u4f8b\uff0c\u8981\u4e48\u5565\u4e5f\u4e0d\u4f20\u7684\u624b\u6bb5\uff0c\u90a3\u4e48\u8fd9\u79cd\u9700\u8981\u9690\u5f0f\u4f20\u6a21\u5177\uff08\u7c7b\uff09\u53ef\u600e\u4e48\u529e\uff1fPython\u65e9\u5df2\u8003\u8651\u5230\u4e86\u8fd9\u79cd\u573a\u666f\u5e76\u51c6\u5907\u4e86\u5bf9\u5e94\u7684\u88c5\u9970\u5668\u4f9b\u6211\u4eec\u4f7f\u7528\uff0c\u6ca1\u9519\uff0c\u5c31\u662f@classmethod\u3002<\/p>\n\n\n\n
\u53ef\u60f3\u800c\u77e5\uff0c@classmethod\u5c31\u662f\u8ba9\u5b9e\u4f8b\u5728\u8c03\u7528\u88ab@classmethod\u88c5\u9970\u7684\u65b9\u6cd5\u65f6\uff0c\u9690\u5f0f\u7684\u4f20\u5165\u6a21\u5177\uff08\u7c7b\uff09\u672c\u8eab\u3002\u7c7b\u4f3cself\uff0c\u7531\u4e8e\u7ea6\u5b9a\u4fd7\u79f0\u548cclass\u662f\u4e00\u4e2aPython\u5173\u952e\u5b57\u56e0\u800c\u4e0d\u80fd\u778e\u7528\u7684\u539f\u56e0\uff0c\u901a\u5e38\u7528\u300ccls\u300d\u8fd9\u4e2a\u82f1\u6587\u4f5c\u4e3a\u6307\u4ee3\u7c7b\u7684\u53c2\u6570\u540d\uff0c\u8fd9\u662fPython\u91cccls\u53c2\u6570\u7684\u7531\u6765\u3002<\/p>\n\n\n\n
@classmethod \u7684\u51fa\u573a\u7387\u4e5f\u4e0d\u9ad8\uff0c\u4f46\u6bd4@staticmethod\u7528\u9014\u66f4\u5927\uff0c\u56e0\u4e3a@classmethod \u53ef\u4ee5\u4f5c\u4e3a\u4e00\u79cd\u5a92\u4ecb\uff0c\u8ba9\u6211\u4eec\u66f4\u65b9\u4fbf\u7684\u64cd\u7eb5Python\u4e3aclass\u5185\u7f6e\u7684\u4e00\u4e9b\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u90a3\u4e48\uff0c@classmethod \u7684\u5e94\u7528\u573a\u666f\u4e5f\u5c31\u4e0d\u8a00\u800c\u55bb\u4e86\u3002<\/p>\n\n\n\n
@property<\/h2>\n\n\n\n
@property \u662f\u672c\u6587\u6700\u540e\u8981\u8c08\u53ca\u7684\u4e00\u6b3e\u88c5\u9970\u5668\u4e86\uff0c\u8ba9\u6211\u4eec\u8fd8\u662f\u4ece\u6539\u9020\u6a21\u5177\u5f00\u59cb\uff1a<\/p>\n\n\n\n
# \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n\n        def __init__(self, hair):\n            self.hair = hair\n            self.bra = 'C'\n\n\n        def about_me(self):\n            print('\u5e74\u82b3{0}\uff0c\u6027\u522b{1}\uff0c\u8eab\u6750{2}\u68d2\u68d2\u54d2\uff0c\u4e00\u5934{3}'.format(self.age, self.sex, self.size, self.hair))\n\n        @staticmethod\n        def bio():\n            print('\u5168\u5fc3\u5168\u610f\u4e3a\u4e3b\u4eba\u670d\u52a1!')\n\n        @classmethod\n        def cls_name(cls):\n            print('\u5f53\u524d\u4f7f\u7528\u6a21\u5177\u662f{0}'.format(cls.__name__))\n\n        @property\n        def size(self):\n            return self.bra<\/code><\/pre>\n\n\n\n
\u5728\u521a\u624d\u5b9a\u4e49\u7684\u6700\u65b0\u7684\u6a21\u5177\u4e2d\uff0c\u6211\u505a\u4e86\u8fd9\u6837\u51e0\u4ef6\u4e8b\u60c5\uff1a\u5148\u5c06\u539f\u6765\u7684\u5c5e\u6027size\u53d8\u6210\u4e86\u4e00\u4e2a\u540c\u540d\u65b9\u6cd5\uff0c\u7136\u540e\u5bf9\u5176\u5e94\u7528\u4e86@property\u88c5\u9970\u5668\uff0c\u8fd9\u4e9b\u6539\u53d8\u4e86\u4ec0\u4e48\uff1f<\/p>\n\n\n\n
\u5728\u8c08\u53ca@classmethod\u548c\u4e4b\u524d\u7684\u88c5\u9970\u5668\u65f6\uff0c\u6211\u4eec\u4e3e\u4f8b\u7684\u6a21\u5177\u5728\u751f\u4ea7\u51fa\u5973\u670b\u53cb\u4e4b\u540e\uff0c\u5b9e\u9645\u4e0a\u90fd\u53ef\u4ee5\u8fd9\u4e48\u505a\uff1a<\/p>\n\n\n\n
    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb<\/em>\n    lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')\n    mimi = Girlfriend('\u91d1\u9ec4\u77ed\u53d1')     \n\n    lili.size = 'D'  # \u589e\u5927\u5973\u670b\u53cb\u7684\u7f69\u676f<\/em>\n    lili.size  # \u663e\u793a\uff1aD<\/em>\n<\/code><\/pre>\n\n\n\n
\u4e5f\u5c31\u662f\u5982\u679c\u5bf9\u5973\u670b\u53cb\u7684\u5c5e\u6027\uff08\u80f8\uff09\u4e0d\u6ee1\u610f\uff0c\u53ef\u4ee5\u518d\u8c03\u6574\u3002\u521a\u624d\u7684\u4f8b\u5b50\u4e2d\u6211\u4eec\u5bf9lili\u8fdb\u884c\u4e86\u300c\u4e30\u80f8\u300d\uff0c\u5c06lili\u539f\u6765\u7684size\u7531C\u5347\u5230\u4e86D\u3002\u4e30\u80f8\u7684\u8fc7\u7a0b\u662f\u5f88\u7b80\u5355\u7684\u5c5e\u6027\u8d4b\u503c\u8bed\u6cd5\uff0c\u4e0d\u7528\u592a\u591a\u89e3\u91ca\u3002\u4f46\u8ba9\u6211\u4eec\u7528\u6700\u65b0\u7684\u5b9a\u4e49\u4e86@property \u88c5\u9970\u5668\u7684\u6a21\u5177\u65f6\uff0c\u300c\u4e30\u80f8\u300d\u5c31\u5931\u8d25\u4e86\u3002\u5728\u6700\u65b0\u7684\u6a21\u5177\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u300clili.size\u300d\u5f97\u5230C\u8fd9\u4e2a\u7ed3\u679c\uff0c\u4f46\u662f\u65e0\u6cd5\u518d\u8fd0\u884c\u300clili.size = ‘D’\u300d\uff0c\u4e00\u65e6\u8bd5\u56fe\u300c\u4e30\u80f8\u300d\u7a0b\u5e8f\u5c31\u4f1a\u62a5\u9519\uff0c\u62a5\u9519\u4fe1\u606f\u5927\u610f\u662f\uff1a\u4e0d\u80fd\u5199\u5165size\u7684\u5c5e\u6027\u503c\uff0c\u539f\u59cb\u62a5\u9519\u4fe1\u606f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\n
Traceback (most recent call last):<\/p>\n\n\n\n
File “<input>”, line 1, in <module><\/p>\n\n\n\n
AttributeError: can’t set attribute<\/p>\n<\/blockquote>\n\n\n\n
\u90a3\u4e48\u8fc7\u7a0b\u548c\u7ed3\u679c\u4ee5\u53ca\u533a\u522b\u90fd\u770b\u5230\u4e86\uff0c\u4f46\u8981\u7406\u89e3@property\u8fd8\u5f97\u4ece\u5b9a\u4e49\u6700\u65b0\u7684\u6a21\u5177\u5f00\u59cb\u8bf4\u8d77\u3002\u7531\u4e8e\u6bd4\u8f83\u559c\u6b22\u7eaf\u5929\u7136\u7684\u59b9\u7eb8\uff0c\u6240\u4ee5\u6211\u5bf9\u6a21\u5177\u8fdb\u884c\u4e86\u6539\u8fdb\uff0c\u4f7f\u5f97\u4e00\u65e6\u751f\u4ea7\u51fa\u5973\u670b\u53cb\uff0c\u5219\u4e0d\u80fd\u968f\u610f\u518d\u53bb\u6539\u53d8\u5973\u670b\u53cb\u7684size\uff0c\u5e76\u4e14\u53ea\u80fd\u662fC\u3002\u7406\u89e3\u6210\u5bf9\u4e8e\u4ee3\u7801\u7684\u4fee\u6539\u9700\u6c42\uff0c\u5c31\u662f\u8ba9\u5b9e\u4f8b\u7684size\u7684\u503c\u4e0d\u80fd\u5199\u5165\u65b0\u7684\uff0c\u4f46\u662f\u53ef\u4ee5\u8bfb\u65e7\u7684\uff0c\u5e76\u4e14size\u4ecd\u65e7\u8981\u662f\u4e00\u4e2a\u5c5e\u6027\u3002<\/p>\n\n\n\n
Python\u4e5f\u4e3a\u6211\u4eec\u8003\u8651\u5230\u4e86\u8fd9\u79cd\u9700\u6c42\u573a\u666f\uff0c\u5e76\u63d0\u4f9b\u4e86@property \u8fd9\u4e2a\u88c5\u9970\u5668\u6765\u6ee1\u8db3\u8fd9\u79cd\u9700\u6c42\uff0c\u4e8e\u662f\u4e4e\u5c31\u6709\u4e86\u672c\u8282\u6700\u5f00\u59cb\u7684\u65b0\u6a21\u5177\u7684\u6539\u53d8\u3002\u9996\u5148\uff0c\u6211\u4eec\u6ce8\u610f\u5230size\u7531\u5c5e\u6027\u53d8\u6210\u4e86\u4e00\u4e2a\u65b9\u6cd5\uff0c\u800c\u57fa\u4e8e\u6211\u4eecPython\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u5bf9\u4e8ePython\u65b9\u6cd5\u7684\u8c03\u7528\u8bed\u6cd5\uff0c\u90fd\u662f\u7c7b\u4f3c\u300csize()\u300d\u8fd9\u6837\u65b9\u6cd5\uff08\u51fd\u6570\uff09\u540d\u79f0\u540e\u9762\u52a0\u62ec\u53f7\u7684\u5f62\u5f0f\uff0c\u4f46\u5c31\u5728\u521a\u624d\u6211\u4eec\u5bf9\u65b0\u6a21\u5177\u4ecd\u65e7\u4f7f\u7528\u4e86\u300clili.size\u300d\u5e76\u5f97\u5230\u4e86\u7ed3\u679c\uff0c\u53cd\u800c\u300clili.size()\u300d\u65e0\u6cd5\u8fd0\u884c\uff08\u7a0b\u5e8f\u4f1a\u62a5\u9519\uff09\uff0c\u4e8e\u662f\u6211\u4eec\u53d1\u73b0\u4e86@property\u7684\u7b2c\u4e00\u4e2a\u4f5c\u7528\uff1a<\/p>\n\n\n\n
\n
@property \u4f1a\u5c06\u88ab\u88c5\u9970\u7684\u7c7b\u65b9\u6cd5\u6a21\u62df\u6210\u4e00\u4e2a\u7c7b\u5c5e\u6027<\/strong><\/p>\n<\/blockquote>\n\n\n\n
\u5c06\u539f\u6765\u662f\u7c7b\u7684\u4e00\u4e2a\u5c5e\u6027\u53d8\u6210\u4e86\u8fd9\u4e2a\u7c7b\u7684\u65b9\u6cd5\uff0c\u5e76\u4e14\u8fd8\u884c\u4e0d\u66f4\u540d\u5750\u4e0d\u6539\u59d3\uff0c\u7136\u540e\u53c8\u5c06\u8fd9\u4e2a\u65b9\u6cd5\u6a21\u62df\u6210\u7c7b\u5c5e\u6027\u4e00\u6837\u53ef\u4ee5\u8c03\u7528\uff0c\u611f\u89c9\u8fd9\u771f\u662f\u7ed5\u4e86\u597d\u5927\u4e00\u4e2a\u5708\u3002\u4f46\u6211\u4eec\u5e76\u6ca1\u6709\u56de\u5230\u539f\u70b9\uff0c\u56e0\u4e3a\u65e2\u7136\u662f\u65b9\u6cd5\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u5728\u65b9\u6cd5\u91cc\u5b9a\u4e49\u5f88\u591a\u8d4b\u503c\u8bed\u53e5\u65e0\u6cd5\u5b8c\u6210\u7684\u884c\u4e3a\u3002\u4f46\u662f\u6211\u4eec\u4e3e\u4e00\u53cd\u4e09\u4e4b\u4e0b\u7d27\u63a5\u7740\u6709\u4e86\u4e00\u4e2a\u7591\u95ee\uff1a\u4e0d\u9519\uff0c@property \u628a\u65b9\u6cd5\u88c5\u9970\u6210\u5c5e\u6027\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u65b9\u6cd5\u80fd\u505a\u7684\uff0c\u800c\u539f\u672c\u7684\u5c5e\u6027\u4e0d\u80fd\u505a\u7684\u4e8b\u60c5\uff1b\u90a3\u539f\u6765\u5c5e\u6027\u80fd\u505a\u7684\u4e8b\u60c5\uff0c@property \u88c5\u9970\u7684\u65b9\u6cd5\u662f\u5426\u4e5f\u76f8\u5e94\u7684\u4e0d\u884c\u4e86\u5462\uff1f<\/p>\n\n\n\n
\u6211\u4eec\u57fa\u7840\u77e5\u8bc6\u544a\u8bc9\u6211\u4eec\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u8d77\u7801\u80fd\u505a\u589e\u3001\u5220\u3001\u6539\u3001\u67e5\u8fd9\u51e0\u4ef6\u57fa\u672c\u7684\u4e8b\u60c5\uff0c\u5728\u524d\u9762\u6700\u540e\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u300clili.size\u300d\u5f97\u5230\u4e86\u5973\u670b\u53cb\u7684size\u5c5e\u6027\uff0c\u8fd9\u662f\u67e5\u8be2\uff0c\u4f46\u6211\u4eec\u8bd5\u56fe\u4fee\u6539\u65f6\uff0c\u7a0b\u5e8f\u5219\u62a5\u9519\u4e86\u3002\u770b\u8d77\u6765@property \u5c06\u65b9\u6cd5\u53d8\u6210\u7684\u5c5e\u6027\u5e76\u6ca1\u6709\u5b8c\u6574\u5b9e\u73b0\u57fa\u672c\u5c5e\u6027\u8be5\u6709\u7684\u51e0\u6837\u529f\u80fd\uff0c\u771f\u662f\u8fd9\u6837\u5417\uff1f\u8ba9\u6211\u4eec\u518d\u7ee7\u7eed\u6539\u9020\u4e00\u4e0b\u6a21\u5177\uff0c\u8fd9\u662f\u6700\u540e\u7684\u4e00\u6b21\u6539\u9020\uff1a<\/p>\n\n\n\n
    # \u5b9a\u4e49\u7c7b<\/em>\n    class Girlfriend:\n        age = 22\n        sex = '\u5973'\n\n        def __init__(self, hair):\n            self.hair = hair\n            self.bra = 'C'\n\n        def about_me(self):\n            print('\u5e74\u82b3{0}\uff0c\u6027\u522b{1}\uff0c\u8eab\u6750{2}\u68d2\u68d2\u54d2\uff0c\u4e00\u5934{3}'.format(self.age, self.sex, self.size, self.hair))\n\n        @staticmethod\n        def bio():\n            print('\u5168\u5fc3\u5168\u610f\u4e3a\u4e3b\u4eba\u670d\u52a1!')\n\n        @classmethod\n        def cls_name(cls):\n            print('\u5f53\u524d\u4f7f\u7528\u6a21\u5177\u662f{0}'.format(cls.__name__))\n\n        @property\n        def size(self):\n            return self.bra\n\n        @size.setter\n        def size(self, size):\n            self.bra = size\n            print('\u4e30\u80f8\u624b\u672f\u5b8c\u6210\uff01')<\/code><\/pre>\n\n\n\n
\u5728\u6700\u540e\u7684\u4e00\u6b21\u6539\u9020\u4e2d\uff0c\u6211\u4eec\u589e\u52a0\u4e86\u4e00\u4e2a\u540d\u4e3asize()\u7684\u65b9\u6cd5\uff0c\u5e76\u5bf9\u4e4b\u4f7f\u7528\u4e86\u300c@size.setter\u300d\u8fd9\u4e2a\u88c5\u9970\u5668\u3002\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684\u7406\u89e3\u6700\u65b0\u7684size()\u65b9\u6cd5\u5e72\u4e86\u4e9b\u4ec0\u4e48\uff1a\u5148\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff0c\u5e76\u5c06\u8fd9\u4e2a\u53c2\u6570\u8d4b\u7ed9bra\uff0c\u8fd9\u6beb\u65e0\u7591\u95ee\u5c31\u662f\u5728\u4e30\u80f8\u3002\u7136\u540e\u5982\u679c\u987a\u5229\uff0c\u7528print\u6253\u5370\u4e00\u4e2a\u7ed3\u679c\u3002\u5728\u5b66\u4e60Python\u7684\u57fa\u7840\u65f6\uff0c\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u540c\u4e00\u547d\u540d\u7a7a\u95f4\u4e0b\u6709\u4e24\u4e2a\u91cd\u540d\u65b9\u6cd5\u662f\u6709\u95ee\u9898\u7684\uff0c\u4f1a\u9020\u6210\u6700\u540e\u4e00\u4e2a\u540c\u540d\u65b9\u6cd5\u8986\u76d6\u6389\u5148\u524d\u7684\u90a3\u4e2a\u3002\u8fd9\u91cc\u6709\u4e24\u4e2asize()\u65b9\u6cd5\u8ba9\u6211\u4eec\u6709\u4e9b\u7591\u60d1\uff0c@size.setter \u53c8\u662f\u4ec0\u4e48\u5462\uff1f\u8fd8\u662f\u5148\u8bd5\u8bd5\uff1a<\/p>\n\n\n\n
    # \u751f\u4ea7\u51e0\u4e2a\u5973\u670b\u53cb\n    lili = Girlfriend('\u4e4c\u9ed1\u957f\u53d1')\n    mimi = Girlfriend('\u91d1\u9ec4\u77ed\u53d1')     \n\n    lili.size  # \u663e\u793a\uff1aC\n    lili.size = 'D'  # \u589e\u5927\u5973\u670b\u53cb\u7684\u7f69\u676f\uff0c\u663e\u793a\uff1a\u4e30\u80f8\u624b\u672f\u5b8c\u6210\uff01\n    lili.size  # \u663e\u793a\uff1aD<\/code><\/pre>\n\n\n\n
\u770b\u8d77\u6765\u4e30\u80f8\u624b\u672f\u5df2\u7ecf\u53ef\u4ee5\u987a\u5229\u5b9e\u65bd\uff0c\u4e0e\u4e4b\u524d\u4e0d\u540c\uff0c\u7a0b\u5e8f\u4e0d\u4f1a\u518d\u62a5\u9519\u3002\u53ef\u4ee5\u8054\u60f3\u5230\u8fd9\u4e00\u5207\u4e00\u5b9a\u662f\u6700\u65b0\u6dfb\u52a0\u7684\u90a3\u4e00\u5c0f\u6bb5\u4ee3\u7801\u7684\u4f5c\u7528\u3002<\/p>\n\n\n\n
\u539f\u6765\uff0cPython\u4e0d\u4ec5\u5149\u63d0\u4f9b@property \u88c5\u9970\u5668\u4f9b\u4f60\u5c06\u4e00\u4e2a\u65b9\u6cd5\u53d8\u6210\u5c5e\u6027\u8c03\u7528\uff0c\u8fd8\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u914d\u5957\u7684\u5de5\u5177\uff08setter\u3001getter\u3001deleter)\uff0c\u8fd9\u4e9b\u6b63\u597d\u5bf9\u5e94\u589e\u3001\u5220\u3001\u6539\u3001\u67e5\uff0c\u8fd9\u4e9b\u5de5\u5177\u8ba9\u65b9\u6cd5\u53bb\u66f4\u52a0\u5b8c\u7f8e\u7684\u6a21\u62df\u5c5e\u6027\u7684\u884c\u4e3a\u3002\u8fd9\u5176\u4e2d\uff0c\u5f53\u4f60\u7528@property\u53bb\u88c5\u9970\u4e00\u4e2a\u65b9\u6cd5\u540d\u4e3aA\u7684\u65b9\u6cd5\u65f6\uff0c\u4f60\u53ef\u4ee5\u518d\u7528@A.setter\u53bb\u88c5\u9970\u53e6\u4e00\u4e2a\u540c\u540d\u65b9\u6cd5\u3002\u987e\u540d\u601d\u4e49\uff0csetter\u6709\u5199\u5165\u7684\u542b\u4e49\uff0c\u90a3\u4e48@A.setter\u5b9a\u4e49\u7684\u5c31\u662f\u65b9\u6cd5A\u8d4b\u503c\u65f6\u7684\u884c\u4e3a\u3002\u5728\u4e0a\u8ff0\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5c31\u5b9a\u4e49\u4e86\u4f5c\u4e3a\u5c5e\u6027\u4f7f\u7528\u7684size\u65b9\u6cd5\uff0c\u5728\u8d4b\u503c\u65f6\u53ef\u4ee5\u6253\u5370\u4e00\u4e2a\u8bed\u53e5\uff0c\u63d0\u793a\u300c\u4e30\u80f8\u624b\u672f\u5b8c\u6210\u300d\u3002\u5176\u4f59\u7684\u51e0\u4e2a\u5de5\u5177\u5c31\u4e0d\u591a\u8bf4\uff0c\u4ece\u5b57\u9762\u610f\u601d\u5c31\u80fd\u7406\u89e3\u505a\u7684\u4e8b\u60c5\uff0c\u800c\u4f7f\u7528\u65b9\u6cd5\u90fd\u662f\u4e00\u6837\u7684\u3002\u6240\u4ee5\uff0c@property \u548c\u4e4b\u540e\u7684\u5de5\u5177\u4f7f\u7528\uff0c\u672c\u8d28\u4e0a\u90fd\u662f\u9488\u5bf9@property\u88c5\u9970\u7684\u65b9\u6cd5\u505a\u66f4\u591a\u7684\u5b9a\u5236\uff0c\u6240\u4ee5\u50cf\u4e0a\u9762\u7684\u90a3\u6837\u91cd\u540d\u65b9\u6cd5\u624d\u4e0d\u4f1a\u6709\u95ee\u9898\u3002<\/p>\n\n\n\n
\u73b0\u5728\uff0c\u4f60\u5e94\u8be5\u5927\u81f4\u4e5f\u7406\u89e3\u4e86@property\u80fd\u5e72\u7684\u4e8b\u60c5\uff0c\u5176\u4f5c\u7528\u548c\u573a\u666f\u4e5f\u5f88\u660e\u663e\u4e86\u3002\u8ba9\u6211\u4eec\u5728\u672c\u6587\u6700\u540e\u518d\u770b\u4e00\u6bb5\u6765\u81ea\u300aFlask Web\u5f00\u53d1:\u57fa\u4e8ePython\u7684Web\u5e94\u7528\u5f00\u53d1\u5b9e\u6218\u300bP78\uff0c\u793a\u4f8b8-1\u7684\u4ee3\u7801\uff1a<\/p>\n\n\n\n
     class User(db.Model):\n         password_hash = db.Column(db.String(128))\n\n         @property\n         def password(self):\n             raise AttributeError('password is not a readable attribute')\n\n         @password.setter\n         def password(self, password):\n             self.password_hash = generate_password_hash(password)\n\n        def verify_password(self, password):\n             return check_password_hash(self.password_hash, password)<\/code><\/pre>\n\n\n\n
\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u4f5c\u8005\u4f7f\u7528\u4e86@property\u628a\u539f\u672c\u662fUser\u7684password\u65b9\u6cd5\u53d8\u6210\u5c5e\u6027\u4e00\u6837\u53ef\u4ee5\u8c03\u7528\u3002\u7531\u4e8epassword\u662f\u52a0\u5bc6\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u7684\uff0c\u4e8e\u662f\u9700\u8981\u4e00\u4e2a\u65b9\u6cd5\u5b8c\u6210\u52a0\u5bc6\u8fc7\u7a0b\uff0c\u8fd9\u6b63\u597d\u53ef\u4ee5\u7531\u5de5\u5177setter\u53bb\u5e72\uff0c\u4e8e\u662f\u4e4e\u6211\u4eec\u770b\u5230@password.setter\u53c8\u88c5\u9970\u4e86\u4e00\u4e2apassword\u65b9\u6cd5\uff0c\u5e76\u4e14\u8fd9\u4e2a\u65b9\u6cd5\u6211\u4eec\u80fd\u591f\u770b\u51fa\u662f\u8c03\u7528generate_password_hash()\u628a\u539f\u6765\u7684\u5bc6\u7801\u8fdb\u884c\u4e86\u52a0\u5bc6\uff0c\u5e76\u5c06\u52a0\u5bc6\u540e\u7684\u5185\u5bb9\u4f20\u7ed9\u4e86password_hash\u8fd9\u4e2a\u5c5e\u6027\uff0c\u8fd9\u4e2a\u5c5e\u6027\u5c31\u662f\u6570\u636e\u5e93\u4e2d\u7684\u7528\u6237\u5bc6\u7801\u5b57\u6bb5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
@staticmethod\u3001@classmethod\u3001@property\u8fd9\u51e0\u4e2a\u5e26@\u7b26\u53f7\u7684\u8bed\u6cd5\u662fPython\u91cc\u7684 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-1645","post","type-post","status-publish","format-standard","hentry","category-10"],"_links":{"self":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/1645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1645"}],"version-history":[{"count":0,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/1645\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1645"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}