{"id":204906,"date":"2025-05-29T09:06:05","date_gmt":"2025-05-29T01:06:05","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204906\/"},"modified":"2025-05-29T09:06:05","modified_gmt":"2025-05-29T01:06:05","slug":"python-functools-partial%e4%bf%ae%e9%a5%b0%e7%9a%84%e5%af%b9%e8%b1%a1%e7%a9%b6%e7%ab%9f%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204906\/","title":{"rendered":"Python functools.partial\u4fee\u9970\u7684\u5bf9\u8c61\u7a76\u7adf\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

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

Python functools.partial\u4fee\u9970\u7684\u5bf9\u8c61\u7a76\u7adf\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

<\/p>\n

\u4e86\u89e3 python \u4e2d functools.partial \u4fee\u9970\u7684\u5bf9\u8c61<\/strong><\/p>\n

functools.partial \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u521b\u5efa\u65b0\u7684\u53ef\u8c03\u7528\u5bf9\u8c61\uff0c\u8fd9\u4e9b\u5bf9\u8c61\u9884\u5148\u8bbe\u7f6e\u4e86\u539f\u59cb\u51fd\u6570\u7684\u4e00\u4e9b\u53c2\u6570\u3002\u7136\u800c\uff0c\u6709\u65f6\u4f60\u53ef\u80fd\u60f3\u77e5\u9053 partial \u4fee\u9970\u7684\u5177\u4f53\u5bf9\u8c61\u6216\u7c7b\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \n

    \u67e5\u770b partial_function.func \u5c5e\u6027\uff1a<\/strong> partial \u5bf9\u8c61\u6709\u4e00\u4e2a\u53ea\u8bfb\u5c5e\u6027 func\uff0c\u5b83\u5f15\u7528\u88ab\u4fee\u9970\u7684\u539f\u59cb\u51fd\u6570\u6216\u5bf9\u8c61\u3002\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u83b7\u53d6\u88ab partial \u4fee\u9970\u7684\u51fd\u6570\uff1a<\/p>\n

    print(partial_function.func)<\/pre>\n<\/li>\n
  2. \u4e86\u89e3 partial \u5bf9\u8c61\uff1a<\/strong> partial \u5bf9\u8c61\u672c\u8d28\u4e0a\u662f\u53ef\u8c03\u7528\u5bf9\u8c61\uff0c\u5177\u6709\u4e09\u4e2a\u53ea\u8bfb\u5c5e\u6027\uff1afunc\u3001args \u548c keywords\u3002\u5176\u4e2d\uff0cfunc \u662f\u88ab partial \u4fee\u9970\u7684\u539f\u59cb\u51fd\u6570\u6216\u5bf9\u8c61\u3002<\/li>\n<\/ol>\n
    \u901a\u8fc7\u4f7f\u7528 partial_function.func \u5c5e\u6027\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u786e\u5b9a partial \u4fee\u9970\u7684\u7279\u5b9a\u5bf9\u8c61\u6216\u7c7b\uff0c\u8ba9\u4f60\u66f4\u597d\u5730\u4e86\u89e3\u5176\u5185\u90e8\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n
    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPython functools.partial\u4fee\u9970\u7684\u5bf9\u8c61\u7a76\u7adf\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    Python functools...<\/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-204906","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204906","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=204906"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204906\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}