{"id":204104,"date":"2025-05-29T12:20:23","date_gmt":"2025-05-29T04:20:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204104\/"},"modified":"2025-05-29T12:20:23","modified_gmt":"2025-05-29T04:20:23","slug":"%e5%a6%82%e4%bd%95%e5%90%91-python-%e4%b8%ad%e7%9a%84%e7%8e%b0%e6%9c%89%e5%af%b9%e8%b1%a1%e5%ae%9e%e4%be%8b%e6%b7%bb%e5%8a%a0%e6%96%b9%e6%b3%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204104\/","title":{"rendered":"\u5982\u4f55\u5411 Python \u4e2d\u7684\u73b0\u6709\u5bf9\u8c61\u5b9e\u4f8b\u6dfb\u52a0\u65b9\u6cd5\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u5411 Python \u4e2d\u7684\u73b0\u6709\u5bf9\u8c61\u5b9e\u4f8b\u6dfb\u52a0\u65b9\u6cd5\uff1f<\/h1>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u5982\u4f55\u5411 Python \u4e2d\u7684\u73b0\u6709\u5bf9\u8c61\u5b9e\u4f8b\u6dfb\u52a0\u65b9\u6cd5\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730095804671f2abc199f1.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5411\u5df2\u6709\u5bf9\u8c61\u5b9e\u4f8b\u6dfb\u52a0\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 python \u4e2d\uff0c\u51fd\u6570\u548c\u7ed1\u5b9a\u65b9\u6cd5\u662f\u4e0d\u540c\u7684\u3002\u7ed1\u5b9a\u65b9\u6cd5\u4e0e\u5b9e\u4f8b\u76f8\u5173\u8054\uff0c\u6bcf\u5f53\u8c03\u7528\u5b83\u4eec\u65f6\uff0c\u5b9e\u4f8b\u90fd\u4f1a\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u3002\u7136\u800c\uff0c\u53ef\u4ee5\u5411\u7c7b\u5c5e\u6027\u6dfb\u52a0\u53ef\u8c03\u7528\u5bf9\u8c61\uff0c\u5305\u62ec\u73b0\u6709\u5bf9\u8c61\u5b9e\u4f8b\u3002<\/p>\n<p><strong>\u5c06\u65b9\u6cd5\u6dfb\u52a0\u5230\u7c7b\u5c5e\u6027<\/strong><\/p>\n<p>\u8981\u5c06\u65b9\u6cd5\u6dfb\u52a0\u5230\u7c7b\u5c5e\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u64cd\u4f5c\uff1a<\/p>\n<pre>def foofighters(self):\n    print(\"foofighters\")\n\na.foofighters = foofighters<\/pre>\n<p>\u8fd9\u5c06\u66f4\u65b0\u5148\u524d\u5b9a\u4e49\u7684\u5b9e\u4f8b\uff1a<\/p>\n<pre>a = a()\na.foofighters()  # \u8f93\u51fa\uff1afoofighters<\/pre>\n<p><strong>\u5c06\u65b9\u6cd5\u6dfb\u52a0\u5230\u5355\u4e2a\u5b9e\u4f8b<\/strong><\/p>\n<p>\u8981\u5c06\u65b9\u6cd5\u6dfb\u52a0\u5230\u5355\u4e2a\u5b9e\u4f8b\uff0c\u53ef\u4ee5\u4f7f\u7528 types \u6a21\u5757\u4e2d\u7684 methodtype \u51fd\u6570\uff1a<\/p>\n<pre>import types\ndef barfighters(self):\n    print(\"barfighters\")\n\na.barfighters = types.methodtype(barfighters, a)\na.barfighters()  # \u8f93\u51fa\uff1abarfighters<\/pre>\n<p>\u8be5\u65b9\u6cd5\u4e0d\u4f1a\u7ed1\u5b9a\u5230\u7c7b\u7684\u5176\u4ed6\u5b9e\u4f8b\uff1a<\/p>\n<pre>a2 = A()\na2.barFighters()  # \u629b\u51fa AttributeError<\/pre>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<p>\u867d\u7136\u5411\u5df2\u6709\u5bf9\u8c61\u5b9e\u4f8b\u6dfb\u52a0\u65b9\u6cd5\u6709\u65f6\u662f\u6709\u7528\u7684\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a<\/p>\n<ul>\n<li>\u8fd9\u79cd\u6280\u672f\u53ef\u80fd\u4f1a\u7834\u574f\u7c7b\u7684\u5c01\u88c5\u6027\u3002<\/li>\n<li>\u76f4\u63a5\u5411\u5b9e\u4f8b\u6dfb\u52a0\u65b9\u6cd5\u53ef\u80fd\u4f1a\u5bfc\u81f4 typeerror\uff0c\u4f7f\u7528 methodtype \u53ef\u4ee5\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\u3002<\/li>\n<li>\u63cf\u8ff0\u7b26\u7f16\u7a0b\u548c\u5143\u7c7b\u7f16\u7a0b\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u6709\u5173\u5bf9\u8c61\u548c\u65b9\u6cd5\u7ed1\u5b9a\u7684\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u5411 Python \u4e2d\u7684\u73b0\u6709\u5bf9\u8c61\u5b9e\u4f8b\u6dfb\u52a0\u65b9\u6cd5\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5411 Python \u4e2d\u7684\u73b0\u6709\u5bf9&#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-204104","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204104","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=204104"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204104\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}