{"id":205248,"date":"2025-05-29T08:22:25","date_gmt":"2025-05-29T00:22:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205248\/"},"modified":"2025-05-29T08:22:25","modified_gmt":"2025-05-29T00:22:25","slug":"python%e5%ad%97%e5%85%b8%e4%b8%ad%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e6%84%8f%e5%a4%96%e7%9a%84none%e9%94%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205248\/","title":{"rendered":"Python\u5b57\u5178\u4e2d\u5982\u4f55\u5904\u7406\u610f\u5916\u7684None\u952e\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python\u5b57\u5178\u4e2d\u5982\u4f55\u5904\u7406\u610f\u5916\u7684None\u952e\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241127\/17326818496746a07904f2f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Python\u5b57\u5178\u4e2d\u51fa\u73b0\u610f\u5916\u7684None\u952e<\/strong><\/p>\n<p>\u5728\u904d\u5386\u5b57\u5178\u65f6\uff0c\u53d1\u73b0\u4e86\u4e00\u4e2a\u952e\u4e3aNone\u7684\u610f\u5916\u5143\u7d20\u3002\u8fd9\u610f\u5473\u7740\u952e\u4e0d\u5e94\u4e3aNone\uff0c\u56e0\u4e3a\u5b57\u5178\u7684\u952e\u5fc5\u987b\u662f\u53ef\u54c8\u5e0c\u5bf9\u8c61\u3002\u4ee4\u4eba\u60ca\u8bb6\u7684\u662f\uff0cherb2class[None]\u8bbf\u95ee\u5931\u8d25\u3002<\/p>\n<p>\u56de\u60f3\u4e00\u4e0bherb2class\u5b57\u5178\uff0c\u68c0\u67e5\u662f\u5426\u5b58\u5728\u952e\u4e3aNone\u4e14\u503c\u4e3a&#8221;\u7684\u5143\u7d20\u3002\u53ef\u80fd\u5b58\u5728\u8fd9\u6837\u7684\u5143\u7d20\uff0c\u5bfc\u81f4\u4e86\u8fd9\u4e00\u95ee\u9898\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cNone\u53ef\u4ee5\u4f5c\u4e3a\u5b57\u5178\u7684\u952e\u3002\u8fd9\u662f\u56e0\u4e3a\u5b57\u5178\u7684\u952e\u9700\u8981\u662f\u53ef\u54c8\u5e0c\u5bf9\u8c61\uff0c\u800cNone\u5b9e\u73b0\u4e86__hash__\u548c__eq__\u65b9\u6cd5\uff0c\u4f7f\u5176\u53ef\u54c8\u5e0c\u3002\u56e0\u6b64\uff0cNone\u662fherb2class\u5b57\u5178\u7684\u6709\u6548\u952e\uff0c\u8fd9\u53ef\u80fd\u662f\u51fa\u73b0\u6b64\u610f\u5916\u884c\u4e3a\u7684\u539f\u56e0\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aPython\u5b57\u5178\u4e2d\u5982\u4f55\u5904\u7406\u610f\u5916\u7684None\u952e\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u5b57\u5178\u4e2d\u5982\u4f55\u5904\u7406\u610f\u5916\u7684&#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-205248","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205248","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=205248"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205248\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}