{"id":4305,"date":"2022-03-19T22:55:30","date_gmt":"2022-03-19T14:55:30","guid":{"rendered":"https:\/\/egonlin.com\/?p=4305"},"modified":"2022-04-11T18:59:15","modified_gmt":"2022-04-11T10:59:15","slug":"%e7%ac%ac%e4%b8%80%e7%af%87%ef%bc%9a%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%bc%96%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=4305","title":{"rendered":"\u7b2c\u4e00\u7bc7\uff1a\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b"},"content":{"rendered":"

\"\"<\/div><\/p>\n

\u4e00 \u5bf9\u8c61\u7684\u6982\u5ff5<\/h1>\n

\"\"<\/div><\/p>\n

\u201d\u9762\u5411\u5bf9\u8c61\u201c\u7684\u6838\u5fc3\u662f\u201c\u5bf9\u8c61\u201d\u4e8c\u5b57\uff0c\u800c\u5bf9\u8c61\u7684\u7cbe\u9ad3\u5728\u4e8e\u201c\u6574\u5408\u201c\uff0c\u4ec0\u4e48\u610f\u601d\uff1f<\/p>\n

\"\"<\/div><\/p>\n

\u6240\u6709\u7684\u7a0b\u5e8f\u90fd\u662f\u7531\u201d\u6570\u636e\u201d\u4e0e\u201c\u529f\u80fd\u201c\u7ec4\u6210\uff0c\u56e0\u800c\u7f16\u5199\u7a0b\u5e8f\u7684\u672c\u8d28\u5c31\u662f\u5b9a\u4e49\u51fa\u4e00\u7cfb\u5217\u7684\u6570\u636e\uff0c\u7136\u540e\u5b9a\u4e49\u51fa\u4e00\u7cfb\u5217\u7684\u529f\u80fd\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u3002\u5728\u5b66\u4e60\u201d\u5bf9\u8c61\u201c\u4e4b\u524d\uff0c\u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\u4e0e\u529f\u80fd\u662f\u5206\u79bb\u5f00\u7684\uff0c\u5982\u4e0b<\/p>\n

# \u6570\u636e\uff1aname\u3001age\u3001sex\nname='lili'\nage=18\nsex='female'\n\n# \u529f\u80fd\uff1atell_info\ndef tell_info(name,age,sex): \n    print('<%s:%s:%s>' %(name,age,sex))\n\n# \u6b64\u65f6\u82e5\u60f3\u6267\u884c\u67e5\u770b\u4e2a\u4eba\u4fe1\u606f\u7684\u529f\u80fd\uff0c\u9700\u8981\u540c\u65f6\u62ff\u6765\u4e24\u6837\u4e1c\u897f\uff0c\u4e00\u7c7b\u662f\u529f\u80fdtell_info\uff0c\u53e6\u5916\u4e00\u7c7b\u5219\u662f\u591a\u4e2a\u6570\u636ename\u3001age\u3001sex\uff0c\u7136\u540e\u624d\u80fd\u6267\u884c\uff0c\u975e\u5e38\u9ebb\u70e6\ntell_info(name,age,sex)<\/code><\/pre>\n
\u5728\u5b66\u4e60\u4e86\u201c\u5bf9\u8c61\u201d\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u6709\u4e86\u4e00\u4e2a\u5bb9\u5668\uff0c\u8be5\u5bb9\u5668\u53ef\u4ee5\u76db\u653e\u6570\u636e\u4e0e\u529f\u80fd\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u8bf4\uff1a\u5bf9\u8c61\u662f\u628a\u6570\u636e\u4e0e\u529f\u80fd\u6574\u5408\u5230\u4e00\u8d77\u7684\u4ea7\u7269\uff0c\u6216\u8005\u8bf4\u201d\u5bf9\u8c61\u201c\u5c31\u662f\u4e00\u4e2a\u76db\u653e\u6570\u636e\u4e0e\u529f\u80fd\u7684\u5bb9\u5668\/\u7bb1\u5b50\/\u76d2\u5b50\u3002<\/p>\n
\u5982\u679c\u628a\u201d\u6570\u636e\u201c\u6bd4\u55bb\u4e3a\u201d\u776b\u6bdb\u818f\u201c\u3001\u201d\u773c\u5f71\u201c\u3001\u201d\u5507\u5f69\u201c\u7b49\u5316\u5986\u6240\u9700\u8981\u7684\u539f\u6750\u6599\uff1b\u628a\u201d\u529f\u80fd\u201c\u6bd4\u55bb\u4e3a\u773c\u7ebf\u7b14\u3001\u7709\u7b14\u7b49\u5316\u5986\u6240\u9700\u8981\u7684\u5de5\u5177\uff0c\u90a3\u4e48\u201d\u5bf9\u8c61\u201c\u5c31\u662f\u4e00\u4e2a\u5f69\u5986\u76d2\uff0c\u5f69\u5986\u76d2\u53ef\u4ee5\u628a\u201d\u539f\u6750\u6599\u201c\u4e0e\u201d\u5de5\u5177\u201c\u90fd\u88c5\u5230\u4e00\u8d77<\/p>\n
\"\"<\/div><\/p>\n
\u5982\u679c\u6211\u4eec\u628a\u201d\u5316\u5986\u201c\u6bd4\u55bb\u4e3a\u8981\u6267\u884c\u7684\u4e1a\u52a1\u903b\u8f91\uff0c\u6b64\u65f6\u53ea\u9700\u8981\u62ff\u6765\u4e00\u6837\u4e1c\u897f\u5373\u53ef\uff0c\u90a3\u5c31\u662f\u5f69\u5986\u76d2\uff0c\u56e0\u4e3a\u5f69\u5986\u76d2\u91cc\u6574\u5408\u4e86\u5316\u5986\u6240\u9700\u7684\u6240\u6709\u539f\u6750\u6599\u4e0e\u529f\u80fd\uff0c\u8fd9\u6bd4\u8d77\u4f60\u5206\u522b\u62ff\u6765\u539f\u6750\u6599\u4e0e\u529f\u80fd\u624d\u80fd\u6267\u884c\uff0c\u8981\u65b9\u4fbf\u7684\u591a\u3002<\/p>\n
\"\"<\/div><\/p>\n
\u200b    \u5728\u4e86\u89e3\u4e86\u5bf9\u8c61\u7684\u57fa\u672c\u6982\u5ff5\u4e4b\u540e\uff0c\u7406\u89e3\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u65b9\u5f0f\u5c31\u76f8\u5bf9\u7b80\u5355\u5f88\u591a\u4e86\uff0c\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u5c31\u662f\u8981\u9020\u51fa\u4e00\u4e2a\u4e2a\u7684\u5bf9\u8c61\uff0c\u628a\u539f\u672c\u5206\u6563\u5f00\u7684\u76f8\u5173\u6570\u636e\u4e0e\u529f\u80fd\u6574\u5408\u5230\u4e00\u4e2a\u4e2a\u7684\u5bf9\u8c61\u91cc\uff0c\u8fd9\u4e48\u505a\u65e2\u65b9\u4fbf\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u89e3\u8026\u5408\u7a0b\u5ea6\uff0c\u8fdb\u800c\u63d0\u5347\u4e86\u7a0b\u5e8f\u7684\u53ef\u6269\u5c55\u6027\uff08\u9700\u8981\u5f3a\u8c03\u7684\u662f\uff0c\u8f6f\u4ef6\u8d28\u91cf\u5c5e\u6027\u5305\u542b\u5f88\u591a\u65b9\u9762\uff0c\u9762\u5411\u5bf9\u8c61\u89e3\u51b3\u7684\u4ec5\u4ec5\u53ea\u662f\u6269\u5c55\u6027\u95ee\u9898\uff09<\/p>\n
\"\"<\/div><\/p>\n
\u4e8c \u7c7b\u4e0e\u5bf9\u8c61<\/h1>\n
\u7c7b\u5373\u7c7b\u522b\/\u79cd\u7c7b\uff0c\u662f\u9762\u5411\u5bf9\u8c61\u5206\u6790\u548c\u8bbe\u8ba1\u7684\u57fa\u77f3\uff0c\u5982\u679c\u591a\u4e2a\u5bf9\u8c61\u6709\u76f8\u4f3c\u7684\u6570\u636e\u4e0e\u529f\u80fd\uff0c\u90a3\u4e48\u8be5\u591a\u4e2a\u5bf9\u8c61\u5c31\u5c5e\u4e8e\u540c\u4e00\u79cd\u7c7b\u3002\u6709\u4e86\u7c7b\u7684\u597d\u5904\u662f\uff1a\u6211\u4eec\u53ef\u4ee5\u628a\u540c\u4e00\u7c7b\u5bf9\u8c61\u76f8\u540c\u7684\u6570\u636e\u4e0e\u529f\u80fd\u5b58\u653e\u5230\u7c7b\u91cc\uff0c\u800c\u65e0\u9700\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u91cd\u590d\u5b58\u4e00\u4efd\uff0c\u8fd9\u6837\u6bcf\u4e2a\u5bf9\u8c61\u91cc\u53ea\u9700\u5b58\u81ea\u5df1\u72ec\u6709\u7684\u6570\u636e\u5373\u53ef\uff0c\u6781\u5927\u5730\u8282\u7701\u4e86\u7a7a\u95f4\u3002\u6240\u4ee5\uff0c\u5982\u679c\u8bf4\u5bf9\u8c61\u662f\u7528\u6765\u5b58\u653e\u6570\u636e\u4e0e\u529f\u80fd\u7684\u5bb9\u5668\uff0c\u90a3\u4e48\u7c7b\u5219\u662f\u7528\u6765\u5b58\u653e\u591a\u4e2a\u5bf9\u8c61\u76f8\u540c\u7684\u6570\u636e\u4e0e\u529f\u80fd\u7684\u5bb9\u5668\u3002<\/p>\n
\"\"<\/div><\/p>\n
\u200b    \u7efc\u4e0a\u6240\u8ff0\uff0c\u867d\u7136\u6211\u4eec\u662f\u5148\u4ecb\u7ecd\u5bf9\u8c61\u540e\u4ecb\u7ecd\u7c7b\uff0c\u4f46\u662f\u9700\u8981\u5f3a\u8c03\u7684\u662f\uff1a\u5728\u7a0b\u5e8f\u4e2d\uff0c\u5fc5\u987b\u8981\u4e8b\u5148\u5b9a\u4e49\u7c7b\uff0c\u7136\u540e\u518d\u8c03\u7528\u7c7b\u4ea7\u751f\u5bf9\u8c61\uff08\u8c03\u7528\u7c7b\u62ff\u5230\u7684\u8fd4\u56de\u503c\u5c31\u662f\u5bf9\u8c61\uff09\u3002\u4ea7\u751f\u5bf9\u8c61\u7684\u7c7b\u4e0e\u5bf9\u8c61\u4e4b\u95f4\u5b58\u5728\u5173\u8054\uff0c\u8fd9\u79cd\u5173\u8054\u6307\u7684\u662f\uff1a\u5bf9\u8c61\u53ef\u4ee5\u8bbf\u95ee\u5230\u7c7b\u4e2d\u5171\u6709\u7684\u6570\u636e\u4e0e\u529f\u80fd\uff0c\u6240\u4ee5\u7c7b\u4e2d\u7684\u5185\u5bb9\u4ecd\u7136\u662f\u5c5e\u4e8e\u5bf9\u8c61\u7684\uff0c\u7c7b\u53ea\u4e0d\u8fc7\u662f\u4e00\u79cd\u8282\u7701\u7a7a\u95f4\u3001\u51cf\u5c11\u4ee3\u7801\u5197\u4f59\u7684\u673a\u5236\uff0c\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u6700\u7ec8\u7684\u6838\u5fc3\u4ecd\u7136\u662f\u53bb\u4f7f\u7528\u5bf9\u8c61\u3002<\/p>\n
\u200b    \u5728\u4e86\u89e3\u4e86\u7c7b\u4e0e\u5bf9\u8c61\u8fd9\u4e24\u5927\u6838\u5fc3\u6982\u5ff5\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u6765\u4ecb\u7ecd\u4e00\u4e0b\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u5566\u3002<\/p>\n
\"\"<\/div><\/p>\n
\u4e09 \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/h1>\n
3.1 \u7c7b\u7684\u5b9a\u4e49\u4e0e\u5b9e\u4f8b\u5316<\/h2>\n
\u6211\u4eec\u4ee5\u5f00\u53d1\u4e00\u4e2a\u6e05\u534e\u5927\u5b66\u7684\u9009\u8bfe\u7cfb\u7edf\u4e3a\u4f8b\uff0c\u6765\u7b80\u5355\u4ecb\u7ecd\u57fa\u4e8e\u9762\u5411\u5bf9\u8c61\u7684\u601d\u60f3\u5982\u4f55\u7f16\u5199\u7a0b\u5e8f<\/p>\n
\"\"<\/div><\/p>\n
\u9762\u5411\u5bf9\u8c61\u7684\u57fa\u672c\u601d\u8def\u5c31\u662f\u628a\u7a0b\u5e8f\u4e2d\u8981\u7528\u5230\u7684\u3001\u76f8\u5173\u8054\u7684\u6570\u636e\u4e0e\u529f\u80fd\u6574\u5408\u5230\u5bf9\u8c61\u91cc\uff0c\u7136\u540e\u518d\u53bb\u4f7f\u7528\uff0c\u4f46\u7a0b\u5e8f\u4e2d\u8981\u7528\u5230\u7684\u6570\u636e\u4ee5\u53ca\u529f\u80fd\u90a3\u4e48\u591a\uff0c\u5982\u4f55\u627e\u5230\u76f8\u5173\u8fde\u7684\u5462\uff1f\u6211\u9700\u8981\u5148\u63d0\u53d6\u9009\u8bfe\u7cfb\u7edf\u91cc\u7684\u89d2\u8272\uff1a\u5b66\u751f\u3001\u8001\u5e08\u3001\u8bfe\u7a0b\u7b49\uff0c\u7136\u540e\u663e\u800c\u6613\u89c1\u7684\u662f\uff1a\u5b66\u751f\u6709\u5b66\u751f\u76f8\u5173\u7684\u6570\u636e\u4e8e\u529f\u80fd\uff0c\u8001\u5e08\u6709\u8001\u5e08\u76f8\u5173\u7684\u6570\u636e\u4e0e\u529f\u80fd\uff0c\u6211\u4eec\u5355\u4ee5\u5b66\u751f\u4e3a\u4f8b\uff0c<\/p>\n
# \u5b66\u751f\u7684\u6570\u636e\u6709\n\u5b66\u6821\n\u540d\u5b57\n\u5e74\u9f84\n\u6027\u522b\n\n# \u5b66\u751f\u7684\u529f\u80fd\u6709\n\u9009\u8bfe<\/code><\/pre>\n
\u8be6\u7ec6\u7684<\/p>\n
# \u5b66\u751f1\uff1a\n    \u6570\u636e:\n        \u5b66\u6821=\u6e05\u534e\u5927\u5b66\n        \u59d3\u540d=\u674e\u5efa\u521a\n        \u6027\u522b=\u7537\n        \u5e74\u9f84=28\n    \u529f\u80fd\uff1a\n        \u9009\u8bfe\n\n# \u5b66\u751f2\uff1a\n    \u6570\u636e:\n        \u5b66\u6821=\u6e05\u534e\u5927\u5b66\n        \u59d3\u540d=\u738b\u5927\u529b\n        \u6027\u522b=\u5973\n        \u5e74\u9f84=18\n    \u529f\u80fd\uff1a\n        \u9009\u8bfe\n\n# \u5b66\u751f3\uff1a\n    \u6570\u636e:\n        \u5b66\u6821=\u6e05\u534e\u5927\u5b66\n        \u59d3\u540d=\u725b\u55f7\u55f7\n        \u6027\u522b=\u7537\n        \u5e74\u9f84=38\n    \u529f\u80fd\uff1a\n        \u9009\u8bfe<\/code><\/pre>\n
\u6211\u4eec\u53ef\u4ee5\u603b\u7ed3\u51fa\u4e00\u4e2a\u5b66\u751f\u7c7b\uff0c\u7528\u6765\u5b58\u653e\u5b66\u751f\u4eec\u76f8\u540c\u7684\u6570\u636e\u4e0e\u529f\u80fd<\/p>\n
# \u5b66\u751f\u7c7b\n    \u76f8\u540c\u7684\u7279\u5f81:\n        \u5b66\u6821=\u6e05\u534e\u5927\u5b66\n    \u76f8\u540c\u7684\u529f\u80fd\uff1a\n        \u9009\u8bfe<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u57fa\u4e8e\u4e0a\u8ff0\u5206\u6790\u7684\u7ed3\u679c\uff0c\u6211\u4eec\u63a5\u4e0b\u6765\u9700\u8981\u505a\u7684\u5c31\u662f\u5728\u7a0b\u5e8f\u4e2d\u5b9a\u4e49\u51fa\u7c7b\uff0c\u7136\u540e\u8c03\u7528\u7c7b\u4ea7\u751f\u5bf9\u8c61<\/p>\n
class Student: # \u7c7b\u7684\u547d\u540d\u5e94\u8be5\u4f7f\u7528\u201c\u9a7c\u5cf0\u4f53\u201d\n\n    school='\u6e05\u534e\u5927\u5b66' # \u6570\u636e\n\n    def choose(self): # \u529f\u80fd\n        print('%s is choosing a course' %self.name)<\/code><\/pre>\n
\u7c7b\u4f53\u6700\u5e38\u89c1\u7684\u662f\u53d8\u91cf\u7684\u5b9a\u4e49\u548c\u51fd\u6570\u7684\u5b9a\u4e49\uff0c\u4f46\u5176\u5b9e\u7c7b\u4f53\u53ef\u4ee5\u5305\u542b\u4efb\u610fPython\u4ee3\u7801\uff0c\u7c7b\u4f53\u7684\u4ee3\u7801\u5728\u7c7b\u5b9a\u4e49\u9636\u6bb5\u5c31\u4f1a\u6267\u884c\uff0c\u56e0\u800c\u4f1a\u4ea7\u751f\u65b0\u7684\u540d\u79f0\u7a7a\u95f4\u7528\u6765\u5b58\u653e\u7c7b\u4e2d\u5b9a\u4e49\u7684\u540d\u5b57\uff0c\u53ef\u4ee5\u6253\u5370Student.__dict__\u6765\u67e5\u770b\u7c7b\u8fd9\u4e2a\u5bb9\u5668\u5185\u76db\u653e\u7684\u4e1c\u897f<\/p>\n
>>> print(Student.__dict__)\n{..., 'school': '\u6e05\u534e\u5927\u5b66', 'choose': <function Student.choose at 0x1018a2950>, ...}<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u8c03\u7528\u7c7b\u7684\u8fc7\u7a0b\u79f0\u4e3a\u5c06\u7c7b\u5b9e\u4f8b\u5316\uff0c\u62ff\u5230\u7684\u8fd4\u56de\u503c\u5c31\u662f\u7a0b\u5e8f\u4e2d\u7684\u5bf9\u8c61\uff0c\u6216\u79f0\u4e3a\u4e00\u4e2a\u5b9e\u4f8b<\/p>\n
>>> stu1=Student() # \u6bcf\u5b9e\u4f8b\u5316\u4e00\u6b21Student\u7c7b\u5c31\u5f97\u5230\u4e00\u4e2a\u5b66\u751f\u5bf9\u8c61\n>>> stu2=Student()\n>>> stu3=Student()<\/code><\/pre>\n
\u5982\u6b64stu1\u3001stu2\u3001stu3\u5168\u90fd\u4e00\u6837\u4e86\uff08\u53ea\u6709\u7c7b\u4e2d\u5171\u6709\u7684\u5185\u5bb9\uff0c\u800c\u6ca1\u6709\u5404\u81ea\u72ec\u6709\u7684\u6570\u636e\uff09\uff0c\u60f3\u5728\u5b9e\u4f8b\u5316\u7684\u8fc7\u7a0b\u4e2d\u5c31\u4e3a\u4e09\u4f4d\u5b66\u751f\u5b9a\u5236\u5404\u81ea\u72ec\u6709\u7684\u6570\u636e\uff1a\u59d3\u540d\uff0c\u6027\u522b\uff0c\u5e74\u9f84\uff0c\u9700\u8981\u6211\u4eec\u5728\u7c7b\u5185\u90e8\u65b0\u589e\u4e00\u4e2a__init__\u65b9\u6cd5,\u5982\u4e0b<\/p>\n
class Student:\n    school='\u6e05\u534e\u5927\u5b66'\n\n    #\u8be5\u65b9\u6cd5\u4f1a\u5728\u5bf9\u8c61\u4ea7\u751f\u4e4b\u540e\u81ea\u52a8\u6267\u884c\uff0c\u4e13\u95e8\u4e3a\u5bf9\u8c61\u8fdb\u884c\u521d\u59cb\u5316\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u4efb\u610f\u4ee3\u7801\uff0c\u4f46\u4e00\u5b9a\u4e0d\u80fd\u8fd4\u56de\u975eNone\u7684\u503c\n    def __init__(self,name,sex,age):\n        self.name=name\n        self.sex=sex\n        self.age=age\n\n    def choose(self): \n        print('%s is choosing a course' %self.name)\n<\/code><\/pre>\n
\u7136\u540e\u6211\u4eec\u91cd\u65b0\u5b9e\u4f8b\u51fa\u4e09\u4f4d\u5b66\u751f<\/p>\n
>>> stu1=Student('\u674e\u5efa\u521a','\u7537',28)\n>>> stu2=Student('\u738b\u5927\u529b','\u5973',18)\n>>> stu3=Student('\u725b\u55f7\u55f7','\u7537',38)<\/code><\/pre>\n
\u5355\u62ffstu1\u7684\u4ea7\u751f\u8fc7\u7a0b\u6765\u5206\u6790\uff0c\u8c03\u7528\u7c7b\u4f1a\u5148\u4ea7\u751f\u4e00\u4e2a\u7a7a\u5bf9\u8c61stu1\uff0c\u7136\u540e\u5c06stu1\u8fde\u540c\u8c03\u7528\u7c7b\u65f6\u62ec\u53f7\u5185\u7684\u53c2\u6570\u4e00\u8d77\u4f20\u7ed9Student.__init__(stu1,\u2019\u674e\u5efa\u521a\u2019,\u2019\u7537\u2019,28)<\/p>\n
def __init__(self, name, sex, age):\n    self.name = name  # stu1.name = '\u674e\u5efa\u521a'\n    self.sex = sex    # stu1.sex = '\u7537'\n    self.age = age    # stu1.age = 28<\/code><\/pre>\n
\u4f1a\u4ea7\u751f\u5bf9\u8c61\u7684\u540d\u79f0\u7a7a\u95f4\uff0c\u540c\u6837\u53ef\u4ee5\u7528__dict__\u67e5\u770b<\/p>\n
>>> stu1.__dict__\n{'name': '\u674e\u5efa\u521a', 'sex': '\u7537', 'age': 28}<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u81f3\u6b64\uff0c\u6211\u4eec\u9020\u51fa\u4e86\u4e09\u4e2a\u5bf9\u8c61\u4e0e\u4e00\u4e2a\u7c7b\uff0c\u5bf9\u8c61\u5b58\u653e\u5404\u81ea\u72ec\u6709\u7684\u6570\u636e\uff0c\u7c7b\u4e2d\u5b58\u653e\u5bf9\u8c61\u4eec\u5171\u6709\u7684\u5185\u5bb9<\/p>\n
\"\"<\/div><\/p>\n
\"\"<\/div><\/p>\n
\u5b58\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u7528\uff0c\u90a3\u4e48\u5982\u4f55\u8bbf\u95ee\u5bf9\u8c61\u6216\u8005\u7c7b\u4e2d\u5b58\u653e\u7684\u5185\u5bb9\u5462\uff1f<\/p>\n
\"\"<\/div><\/p>\n
3.2 \u5c5e\u6027\u8bbf\u95ee<\/h2>\n
3.2.1 \u7c7b\u5c5e\u6027\u4e0e\u5bf9\u8c61\u5c5e\u6027<\/h3>\n
\"\"<\/div><\/p>\n
\u5728\u7c7b\u4e2d\u5b9a\u4e49\u7684\u540d\u5b57\uff0c\u90fd\u662f\u7c7b\u7684\u5c5e\u6027\uff0c\u7ec6\u8bf4\u7684\u8bdd\uff0c\u7c7b\u6709\u4e24\u79cd\u5c5e\u6027\uff1a\u6570\u636e\u5c5e\u6027\u548c\u51fd\u6570\u5c5e\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7__dict__\u8bbf\u95ee\u5c5e\u6027\u7684\u503c\uff0c\u6bd4\u5982Student.__dict__[\u2018school\u2019]\uff0c\u4f46Python\u63d0\u4f9b\u4e86\u4e13\u95e8\u7684\u5c5e\u6027\u8bbf\u95ee\u8bed\u6cd5 <\/p>\n
\"\"<\/div><\/p>\n
>>> Student.school # \u8bbf\u95ee\u6570\u636e\u5c5e\u6027\uff0c\u7b49\u540c\u4e8eStudent.__dict__['school']\n'\u6e05\u534e\u5927\u5b66'\n>>> Student.choose # \u8bbf\u95ee\u51fd\u6570\u5c5e\u6027\uff0c\u7b49\u540c\u4e8eStudent.__dict__['choose']\n<function Student.choose at 0x1018a2950>\n# \u9664\u4e86\u67e5\u770b\u5c5e\u6027\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528Student.attrib=value(\u4fee\u6539\u6216\u65b0\u589e\u5c5e\u6027),\u7528del Student.attrib\u5220\u9664\u5c5e\u6027\u3002<\/code><\/pre>\n
\u64cd\u4f5c\u5bf9\u8c61\u7684\u5c5e\u6027\u4e5f\u662f\u4e00\u6837<\/p>\n
>>> stu1.name # \u67e5\u770b\uff0c\u7b49\u540c\u4e8eobj1.__dict__[\u2018name']\n'\u674e\u5efa\u521a'\n>>> stu1.course=\u2019python\u2019 # \u65b0\u589e\uff0c\u7b49\u540c\u4e8eobj1.__dict__[\u2018course']='python'\n>>> stu1.age=38 # \u4fee\u6539\uff0c\u7b49\u540c\u4e8eobj1.__dict__[\u2018age']=38\n>>> del obj1.course # \u5220\u9664\uff0c\u7b49\u540c\u4e8edel obj1.__dict__['course']<\/code><\/pre>\n
\"\"<\/div><\/p>\n
3.2.2 \u5c5e\u6027\u67e5\u627e\u987a\u5e8f\u4e0e\u7ed1\u5b9a\u65b9\u6cd5<\/h3>\n
\u5bf9\u8c61\u7684\u540d\u79f0\u7a7a\u95f4\u91cc\u53ea\u5b58\u653e\u7740\u5bf9\u8c61\u72ec\u6709\u7684\u5c5e\u6027\uff0c\u800c\u5bf9\u8c61\u4eec\u76f8\u4f3c\u7684\u5c5e\u6027\u662f\u5b58\u653e\u4e8e\u7c7b\u4e2d\u7684\u3002\u5bf9\u8c61\u5728\u8bbf\u95ee\u5c5e\u6027\u65f6\uff0c\u4f1a\u4f18\u5148\u4ece\u5bf9\u8c61\u672c\u8eab\u7684__dict__\u4e2d\u67e5\u627e\uff0c\u672a\u627e\u5230\uff0c\u5219\u53bb\u7c7b\u7684__dict__\u4e2d\u67e5\u627e<\/p>\n
\"\"<\/div><\/p>\n
1\u3001\u7c7b\u4e2d\u5b9a\u4e49\u7684\u53d8\u91cf\u662f\u7c7b\u7684\u6570\u636e\u5c5e\u6027\uff0c\u662f\u5171\u4eab\u7ed9\u6240\u6709\u5bf9\u8c61\u7528\u7684\uff0c\u6307\u5411\u76f8\u540c\u7684\u5185\u5b58\u5730\u5740<\/p>\n
# id\u90fd\u4e00\u6837\nprint(id(Student.school)) # 4301108704\n\nprint(id(stu1.school)) # 4301108704\nprint(id(stu2.school)) # 4301108704\nprint(id(stu3.school)) # 4301108704<\/code><\/pre>\n
\"\"<\/div>
\"\"<\/div><\/p>\n
2\u3001\u7c7b\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u662f\u7c7b\u7684\u51fd\u6570\u5c5e\u6027\uff0c\u7c7b\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u5fc5\u987b\u9075\u5faa\u51fd\u6570\u7684\u53c2\u6570\u89c4\u5219\uff0c\u6709\u51e0\u4e2a\u53c2\u6570\u9700\u8981\u4f20\u51e0\u4e2a\u53c2\u6570<\/p>\n
Student.choose(stu1) # \u674e\u5efa\u521a is choosing a course\nStudent.choose(stu2) # \u738b\u5927\u529b is choosing a course\nStudent.choose(stu3) # \u725b\u55f7\u55f7 is choosing a course<\/code><\/pre>\n
\u4f46\u5176\u5b9e\u7c7b\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u4e3b\u8981\u662f\u7ed9\u5bf9\u8c61\u4f7f\u7528\u7684\uff0c\u800c\u4e14\u662f\u7ed1\u5b9a\u7ed9\u5bf9\u8c61\u7684\uff0c\u867d\u7136\u6240\u6709\u5bf9\u8c61\u6307\u5411\u7684\u90fd\u662f\u76f8\u540c\u7684\u529f\u80fd\uff0c\u4f46\u662f\u7ed1\u5b9a\u5230\u4e0d\u540c\u7684\u5bf9\u8c61\u5c31\u662f\u4e0d\u540c\u7684\u7ed1\u5b9a\u65b9\u6cd5\uff0c\u5185\u5b58\u5730\u5740\u5404\u4e0d\u76f8\u540c<\/p>\n
print(id(Student.choose)) # 4335426280\n\nprint(id(stu1.choose)) # 4300433608\nprint(id(stu2.choose)) # 4300433608\nprint(id(stu3.choose)) # 4300433608<\/code><\/pre>\n
\u7ed1\u5b9a\u5230\u5bf9\u8c61\u7684\u65b9\u6cd5\u7279\u6b8a\u4e4b\u5904\u5728\u4e8e\uff0c\u7ed1\u5b9a\u7ed9\u8c01\u5c31\u5e94\u8be5\u7531\u8c01\u6765\u8c03\u7528\uff0c\u8c01\u6765\u8c03\u7528\uff0c\u5c31\u4f1a\u5c06\u2019\u8c01\u2019\u672c\u8eab\u5f53\u505a\u7b2c\u4e00\u4e2a\u53c2\u6570\u81ea\u52a8\u4f20\u5165\uff08\u65b9\u6cd5__init__\u4e5f\u662f\u4e00\u6837\u7684\u9053\u7406\uff09<\/p>\n
stu1.choose()  # \u7b49\u540c\u4e8eStudent.choose(stu1)\nstu2.choose()  # \u7b49\u540c\u4e8eStudent.choose(stu2)\nstu3.choose()  # \u7b49\u540c\u4e8eStudent.choose(stu3)<\/code><\/pre>\n
\u7ed1\u5b9a\u5230\u4e0d\u540c\u5bf9\u8c61\u7684choose\u6280\u80fd\uff0c\u867d\u7136\u90fd\u662f\u9009\u8bfe\uff0c\u4f46\u674e\u5efa\u521a\u9009\u7684\u8bfe\uff0c\u4e0d\u4f1a\u9009\u7ed9\u738b\u5927\u529b\uff0c\u8fd9\u6b63\u662f\u201d\u7ed1\u5b9a\u201c\u4e8c\u5b57\u7684\u7cbe\u9ad3\u6240\u5728\u3002<\/p>\n
#\u6ce8\u610f\uff1a\u7ed1\u5b9a\u5230\u5bf9\u8c61\u65b9\u6cd5\u7684\u8fd9\u79cd\u81ea\u52a8\u4f20\u503c\u7684\u7279\u5f81\uff0c\u51b3\u5b9a\u4e86\u5728\u7c7b\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u90fd\u8981\u9ed8\u8ba4\u5199\u4e00\u4e2a\u53c2\u6570self\uff0cself\u53ef\u4ee5\u662f\u4efb\u610f\u540d\u5b57\uff0c\u4f46\u547d\u540d\u4e3aself\u662f\u7ea6\u5b9a\u4fd7\u6210\u7684\u3002<\/code><\/pre>\n
\"\"<\/div><\/p>\n
Python\u4e2d\u4e00\u5207\u7686\u4e3a\u5bf9\u8c61\uff0c\u4e14Python3\u4e2d\u7c7b\u4e0e\u7c7b\u578b\u662f\u4e00\u4e2a\u6982\u5ff5\uff0c\u56e0\u800c\u7ed1\u5b9a\u65b9\u6cd5\u6211\u4eec\u65e9\u5c31\u63a5\u89e6\u8fc7<\/p>\n
#\u7c7b\u578blist\u5c31\u662f\u7c7b\n>>> list\n<class 'list'>\n\n#\u5b9e\u4f8b\u5316\u7684\u52303\u4e2a\u5bf9\u8c61l1,l2,l3\n>>> l1=list([1,2,3])\n>>> l2=list(['a','b','c'])\n>>> l3=list(['x','y'])\n\n#\u4e09\u4e2a\u5bf9\u8c61\u90fd\u6709\u7ed1\u5b9a\u65b9\u6cd5append,\u662f\u76f8\u540c\u7684\u529f\u80fd,\u4f46\u5185\u5b58\u5730\u5740\u4e0d\u540c\n>>> l1.append\n<built-in method append of list object at 0x10b482b48>\n>>> l2.append\n<built-in method append of list object at 0x10b482b88>\n>>> l3.append\n<built-in method append of list object at 0x10b482bc8>\n\n#\u64cd\u4f5c\u7ed1\u5b9a\u65b9\u6cd5l1.append(4),\u5c31\u662f\u5728\u5f80l1\u6dfb\u52a04,\u7edd\u5bf9\u4e0d\u4f1a\u5c064\u6dfb\u52a0\u5230l2\u6216l3\n>>> l1.append(4) #\u7b49\u540c\u4e8elist.append(l1,4)\n>>> l1\n[1,2,3,4]\n>>> l2\n['a','b','c']\n>>> l3\n['x','y']<\/code><\/pre>\n
\"\"<\/div><\/p>\n
3.3.3 \u5c0f\u7ed3<\/h3>\n
\u5728\u4e0a\u8ff0\u4ecb\u7ecd\u7c7b\u4e0e\u5bf9\u8c61\u7684\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u66f4\u591a\u7684\u662f\u7ad9\u5728\u5e95\u5c42\u539f\u7406\u7684\u89d2\u5ea6\u53bb\u4ecb\u7ecd\u7c7b\u4e0e\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\uff0c\u5982\u679c\u53ea\u662f\u7ad9\u5728\u4f7f\u7528\u7684\u89d2\u5ea6\uff0c\u6211\u4eec\u65e0\u9700\u8003\u8651\u8bed\u6cd5\u201c\u5bf9\u8c61.\u5c5e\u6027"\u4e2d\u201d\u5c5e\u6027\u201c\u5230\u5e95\u6e90\u81ea\u4e8e\u54ea\u91cc\uff0c\u53ea\u9700\u8981\u77e5\u9053\u662f\u901a\u8fc7\u5bf9\u8c61\u83b7\u53d6\u5230\u7684\u5c31\u53ef\u4ee5\u4e86\uff0c\u6240\u4ee5\u8bf4\uff0c\u5bf9\u8c61\u662f\u4e00\u4e2a\u9ad8\u5ea6\u6574\u5408\u7684\u4ea7\u7269\uff0c\u6709\u4e86\u5bf9\u8c61\uff0c\u6211\u4eec\u53ea\u9700\u8981\u4f7f\u7528\u201d\u5bf9\u8c61.xxx\u201c\u7684\u8bed\u6cd5\u5c31\u53ef\u4ee5\u5f97\u5230\u8ddf\u8fd9\u4e2a\u5bf9\u8c61\u76f8\u5173\u7684\u6240\u6709\u6570\u636e\u4e0e\u529f\u80fd\uff0c\u5341\u5206\u65b9\u4fbf\u4e14\u89e3\u8026\u5408\u7a0b\u5ea6\u6781\u9ad8\u3002<\/p>\n
\"\"<\/div>
\"\"<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00 \u5bf9\u8c61\u7684\u6982\u5ff5 \u201d\u9762\u5411\u5bf9\u8c61\u201c\u7684\u6838\u5fc3\u662f\u201c\u5bf9\u8c61\u201d\u4e8c\u5b57\uff0c\u800c\u5bf9\u8c61\u7684\u7cbe\u9ad3\u5728\u4e8e\u201c\u6574\u5408\u201c\uff0c\u4ec0\u4e48\u610f\u601d\uff1f \u6240\u6709\u7684\u7a0b\u5e8f\u90fd\u662f\u7531\u201d\u6570\u636e […]<\/p>\n","protected":false},"author":3,"featured_media":6709,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,281,328],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4305"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4305"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4305\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/6709"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}