{"id":204464,"date":"2025-05-29T15:39:34","date_gmt":"2025-05-29T07:39:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204464\/"},"modified":"2025-05-29T15:39:34","modified_gmt":"2025-05-29T07:39:34","slug":"python-%e5%ad%90%e7%b1%bb%e5%88%9d%e5%a7%8b%e5%8c%96%e6%8a%a5%e9%94%99%ef%bc%9atypeerror-init-takes-2-positional-arguments-but-3-were-given-%e6%98%af%e6%80%8e%e4%b9%88%e5%9b%9e%e4%ba%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204464\/","title":{"rendered":"Python \u5b50\u7c7b\u521d\u59cb\u5316\u62a5\u9519\uff1aTypeError: init() takes 2 positional arguments but 3 were given \u662f\u600e\u4e48\u56de\u4e8b\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python \u5b50\u7c7b\u521d\u59cb\u5316\u62a5\u9519\uff1aTypeError: init() takes 2 positional arguments but 3 were given \u662f\u600e\u4e48\u56de\u4e8b\uff1f<\/h1>\n<p>\u5b66\u4e60\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPython \u5b50\u7c7b\u521d\u59cb\u5316\u62a5\u9519\uff1aTypeError: init() takes 2 positional arguments but 3 were given \u662f\u600e\u4e48\u56de\u4e8b\uff1f\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241108\/1731049432672db7d83b2b7.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5b50\u7c7b\u521d\u59cb\u5316\u62a5\u9519\uff1atypeerror: init() takes 2 positional arguments but 3 were given<\/strong><\/p>\n<p>\u5728\u7ed9\u5b9a\u7684\u4ee3\u7801\u7247\u6bb5\u4e2d\uff0c\u5b50\u7c7b man() \u7684\u521d\u59cb\u5316\u51fd\u6570 <strong>init<\/strong> \u58f0\u660e\u63a5\u6536\u4e00\u4e2a\u53c2\u6570 age\uff0c\u800c\u5b9e\u4f8b\u5316\u65f6\u5374\u4f20\u5165\u4e86 2 \u4e2a\u53c2\u6570 11 \u548c 22\u3002\u51fa\u73b0 typeerror: <strong>init<\/strong>() takes 2 positional arguments but 3 were given \u7684\u63d0\u793a\uff0c\u662f\u56e0\u4e3a\u5b9e\u4f8b\u5316\u65f6\u5b9e\u9645\u4e0a\u4f20\u5165\u4e86 3 \u4e2a\u53c2\u6570\uff0c\u5305\u62ec\u9690\u542b\u7684\u5b9e\u4f8b\u5bf9\u8c61 self\u3002<\/p>\n<p>\u5728 python \u4e2d\uff0c\u5b9e\u4f8b\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u6c38\u8fdc\u662f self\uff0c\u8868\u793a\u5b9e\u4f8b\u81ea\u8eab\u3002\u56e0\u6b64\uff0c\u5b50\u7c7b man() \u7684 <strong>init<\/strong> \u51fd\u6570\u5b9e\u9645\u4e0a\u63a5\u6536\u4e86 2 \u4e2a\u53c2\u6570\uff0c\u5305\u62ec self \u548c age\u3002\u5f53\u5b9e\u4f8b\u5316\u65f6\uff0c\u4f20\u5165\u7684\u53c2\u6570\u6570\u91cf\u5e94\u4e0e\u521d\u59cb\u5316\u51fd\u6570\u7684\u53c2\u6570\u6570\u91cf\u4e00\u81f4\uff0c\u5305\u62ec self\u3002<\/p>\n<p>\u5728\u7ed9\u5b9a\u7684\u793a\u4f8b\u4e2d\uff0c\u5e94\u8be5\u8fd9\u6837\u5b9e\u4f8b\u5316\u5b50\u7c7b man\uff1a<\/p>\n<pre>man = Man(11)<\/pre>\n<p>\u8fd9\u6837\uff0c\u53ea\u4f20\u5165\u4e86\u4e00\u4e2a\u53c2\u6570 age\uff0c\u4e0e\u5b50\u7c7b\u521d\u59cb\u5316\u51fd\u6570\u7684\u53c2\u6570\u6570\u91cf\u4e00\u81f4\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u5b50\u7c7b\u521d\u59cb\u5316\u62a5\u9519\uff1aT&#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-204464","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204464","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=204464"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204464\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}