{"id":205384,"date":"2025-05-29T11:03:14","date_gmt":"2025-05-29T03:03:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205384\/"},"modified":"2025-05-29T11:03:14","modified_gmt":"2025-05-29T03:03:14","slug":"python-%e4%b8%ad%e7%9a%84%e5%91%bd%e5%90%8d%e5%85%83%e7%bb%84%ef%bc%9a%e5%ae%83%e4%bb%ac%e6%98%af%e4%bb%80%e4%b9%88%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205384\/","title":{"rendered":"Python \u4e2d\u7684\u547d\u540d\u5143\u7ec4\uff1a\u5b83\u4eec\u662f\u4ec0\u4e48\u7c7b\u578b\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Python \u4e2d\u7684\u547d\u540d\u5143\u7ec4\uff1a\u5b83\u4eec\u662f\u4ec0\u4e48\u7c7b\u578b\uff1f<\/h1>\n

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\u300aPython \u4e2d\u7684\u547d\u540d\u5143\u7ec4\uff1a\u5b83\u4eec\u662f\u4ec0\u4e48\u7c7b\u578b\uff1f\u300b<\/span>\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n

<\/p>\n

python \u4e2d\u7684\u547d\u540d\u5143\u7ec4\u662f\u5185\u7f6e\u5143\u7ec4\u6570\u636e\u7c7b\u578b\u7684\u6269\u5c55\uff0c\u5141\u8bb8\u60a8\u4e3a\u5143\u7ec4\u7684\u5143\u7d20\u8d4b\u4e88\u6709\u610f\u4e49\u7684\u540d\u79f0\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u547d\u540d\u5143\u7ec4\u662f\u5177\u6709\u547d\u540d\u5c5e\u6027\u7684\u5143\u7ec4\u3002\u662f\u4e0d\u662f\u5f88\u9177\uff1f<\/p>\n

\u5b83\u4eec\u662f\u96c6\u5408\u6a21\u5757\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u4ee5\u66f4\u7b80\u5355\u7684\u65b9\u5f0f\u5b9a\u4e49\u7b80\u5355\u3001\u4e0d\u53ef\u53d8\u7684\u7c7b<\/em>\u7684\u65b9\u6cd5\u3002<\/p>\n

\u7b49\u7b49\uff0c\u4e0a\u8bfe\u5417\uff1f
\u662f\u7684\uff0c\u4e0a\u8bfe\u3002<\/p>\n

\u547d\u540d\u5143\u7ec4\u672c\u8d28\u4e0a\u662f\u4e0d\u53ef\u53d8\u7684\u7c7b\u3002<\/strong><\/p>\n

\u8fd9\u5c31\u662f\u53d1\u751f\u7684\u795e\u5947\u4e4b\u5904\uff1a\u5f53\u60a8\u4f7f\u7528namedtuple\u521b\u5efa\u547d\u540d\u5143\u7ec4\u65f6\uff0c\u7ed3\u679c\u4e0d\u662f\u5143\u7ec4\u672c\u8eab\u7684\u5b9e\u4f8b\uff0c\u800c\u662f\u7ee7\u627f\u81ea\u5143\u7ec4\u7684\u52a8\u6001\u751f\u6210\u7684\u7c7b\u3002\u518d\u8bf4\u4e00\u6b21\uff0c\u9177\uff01\uff01<\/p>\n

\u8ba9\u6211\u4eec\u770b\u770b\u8fd9\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/p>\n

from collections import namedtuple \n\np = namedtuple(\"point\", \"x y\")\n<\/pre>\n
\u5f53\u60a8\u8fd0\u884c p = nametuple(“point”, “x y”) \u65f6\uff0c\u60a8\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a point \u7684\u65b0\u7c7b\uff08\u5982namedtuple \u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e2d\u6240\u6307\u5b9a\uff09\u3002<\/p>\n
namedtuple \u51fd\u6570\u5728\u5e55\u540e\u4f7f\u7528 type \u52a8\u6001\u521b\u5efa\u4e00\u4e2a\u7ee7\u627f\u81ea tuple \u7684\u540d\u4e3a point \u7684\u65b0\u7c7b\u3002\u8fd9\u4e2a\u65b0\u7c7b\u5b58\u50a8\u5728\u53d8\u91cf p \u4e2d\u3002<\/p>\n
\u4e0e\u7c7b\u4e00\u6837\uff0c\u7c7b\u578b\u5c31\u662f\u7c7b\u578b\u3002<\/p>\n
> type(p)\nclass 'type'\n<\/pre>\n
> class a:\n    pass\n\n> type(a)\nclass 'type'\n<\/pre>\n
namedtuple \u7684\u5b9e\u4f8b\u662f\u4ec0\u4e48\u7c7b\u578b\uff1f<\/p>\n
from collections import namedtuple \n\np = namedtuple(\"point\", \"x y\")\np = p(1,2)\n\n> print(type(p)) \nclass '__main__.point'\n\n<\/pre>\n
p \u662f point \u7c7b\u578b\u7684\u5b9e\u4f8b\u3002\u4f46\u5b83\u4e5f\u662f\u4e00\u4e2a\u5143\u7ec4\uff1a<\/p>\n
> print(isinstance(p, tuple))\ntrue\n\n<\/pre>\n
\u603b\u7ed3\uff1a<\/p>\n
    \n
  •  p\u662f\u7531namedtuple\u52a8\u6001\u751f\u6210\u7684\u7c7b\u3002<\/li>\n
  • p \u7684\u5b9e\u4f8b\u662f point \u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u5b83\u4e5f\u662f\u5b50\u7c7b \u5143\u7ec4\u3002<\/li>\n<\/ul>\n
    \u6700\u540e\u4e00\u4ef6\u4e8b\uff1a<\/p>\n
    \u5c06namedtuple\u53d8\u91cf\uff08\u6211\u4eec\u79f0\u4e3ap\uff09\u547d\u540d\u4e3a\u4e0e\u7c7b\u578b\u540d\u79f0\uff08\u6211\u4eec\u79f0\u4e3apoint\uff09\u76f8\u540c\u7684\u540d\u79f0\u662f\u5f88\u5e38\u89c1\u7684\uff0c\u52a8\u6001\u521b\u5efa\u7684\u7c7b\uff1a<\/p>\n
    from collections import namedtuple \n\nPoint = namedtuple(\"Point\", \"x y\")\n<\/pre>\n
    \u6211\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u540d\u79f0\u6765\u660e\u786e\u4e24\u8005\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n
    \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPython \u4e2d\u7684\u547d\u540d\u5143\u7ec4\uff1a\u5b83\u4eec\u662f\u4ec0\u4e48\u7c7b\u578b\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
          \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"
    Python \u4e2d\u7684\u547d\u540d\u5143\u7ec4\uff1a\u5b83\u4eec...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205384","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205384"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205384\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}