{"id":205460,"date":"2025-05-29T12:34:35","date_gmt":"2025-05-29T04:34:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205460\/"},"modified":"2025-05-29T12:34:35","modified_gmt":"2025-05-29T04:34:35","slug":"python%e6%95%b0%e6%8d%ae%e7%b1%bb%e4%b8%ad%e5%a6%82%e4%bd%95%e8%87%aa%e5%ae%9a%e4%b9%89%e5%ad%97%e5%85%b8%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205460\/","title":{"rendered":"Python\u6570\u636e\u7c7b\u4e2d\u5982\u4f55\u81ea\u5b9a\u4e49\u5b57\u5178\u7c7b\u578b\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python\u6570\u636e\u7c7b\u4e2d\u5982\u4f55\u81ea\u5b9a\u4e49\u5b57\u5178\u7c7b\u578b\uff1f<\/h1>\n<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6587\u7ae0\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aPython\u6570\u636e\u7c7b\u4e2d\u5982\u4f55\u81ea\u5b9a\u4e49\u5b57\u5178\u7c7b\u578b\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241202\/1733143007674da9dfc97a0.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u81ea\u5b9a\u4e49\u5b57\u5178\u7c7b\u578b python \u6570\u636e\u7c7b<\/strong><\/p>\n<p>\u5728 python \u4e2d\uff0c\u8981\u81ea\u5b9a\u4e49\u5b57\u5178\u6570\u636e\u7c7b\u578b\uff0c\u6709\u51e0\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u901a\u8fc7\u5173\u952e\u5b57\u53c2\u6570\u4f20\u9012\u5b57\u5178<\/strong><\/p>\n<p>\u8fd9\u53ef\u80fd\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u53ea\u9700\u5c06\u5b57\u5178\u4f5c\u4e3a\u5173\u952e\u5b57\u53c2\u6570\u4f20\u9012\u7ed9\u6570\u636e\u7c7b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>@dataclass\nclass abc:\n    a: int\n\ntest([abc(**{'a': 1}), abc(**{'a': 2})])<\/pre>\n<p><strong>\u4f7f\u7528 from_dict \u65b9\u6cd5<\/strong><\/p>\n<p>\u53ef\u4ee5\u4e3a\u6570\u636e\u7c7b\u6dfb\u52a0\u4e00\u4e2a from_dict \u65b9\u6cd5\u6765\u4ece\u5b57\u5178\u521b\u5efa\u5b9e\u4f8b\u3002<\/p>\n<pre>@dataclass\nclass abc:\n    a: int\n\n    @classmethod\n    def from_dict(cls, data):\n        return cls(**data)\n\ntest([abc.from_dict({'a': 1}), abc.from_dict({'a': 2})])<\/pre>\n<p><strong>\u4f7f\u7528 typeddict<\/strong><\/p>\n<p>typeddict \u662f python 3.7 \u4e2d\u5f15\u5165\u7684\u4e00\u9879\u7279\u6027\uff0c\u5b83\u4e3a\u5b57\u5178\u63d0\u4f9b\u4e86\u7c7b\u578b\u68c0\u67e5\u529f\u80fd\u3002<\/p>\n<pre>from typing import TypedDict, List\n\nclass ABC(TypedDict):\n    a: int\n\ntest([{'a': 1}, {'a': 2}])<\/pre>\n<p>\u8fd9\u4e09\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u8ba9\u4f60\u8f7b\u677e\u5730\u4f7f\u7528\u5b57\u5178\u6570\u636e\u7c7b\u578b\u81ea\u5b9a\u4e49 python \u6570\u636e\u7c7b\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPython\u6570\u636e\u7c7b\u4e2d\u5982\u4f55\u81ea\u5b9a\u4e49\u5b57\u5178\u7c7b\u578b\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u6570\u636e\u7c7b\u4e2d\u5982\u4f55\u81ea\u5b9a\u4e49\u5b57&#46;&#46;&#46;<\/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-205460","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205460","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=205460"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205460\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}