{"id":204485,"date":"2025-05-29T12:43:34","date_gmt":"2025-05-29T04:43:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204485\/"},"modified":"2025-05-29T12:43:34","modified_gmt":"2025-05-29T04:43:34","slug":"python-%e4%b8%ad%e5%ae%9e%e4%be%8b%e8%b0%83%e7%94%a8%ef%bc%9a__call__-%e5%87%bd%e6%95%b0%e6%98%af%e5%a6%82%e4%bd%95%e5%b7%a5%e4%bd%9c%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204485\/","title":{"rendered":"Python \u4e2d\u5b9e\u4f8b\u8c03\u7528\uff1a__call__ \u51fd\u6570\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python \u4e2d\u5b9e\u4f8b\u8c03\u7528\uff1a__call__ \u51fd\u6570\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241108\/1731067791672dff8f31092.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>python \u4e2d\u5b9e\u4f8b\u8c03\u7528\uff1a__call__ \u51fd\u6570<\/strong><\/p>\n<p>\u5728 python \u4e2d\uff0c\u5f53\u4e00\u4e2a\u53d8\u91cf\u6307\u5411\u7c7b\u7684\u5b9e\u4f8b\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9e\u4f8b\u540d\u79f0\u8c03\u7528\u53c2\u6570\uff0c\u8fd9\u5f97\u76ca\u4e8e <strong><strong>call<\/strong><\/strong> \u51fd\u6570\u3002<\/p>\n<p><strong><strong>call<\/strong> \u51fd\u6570<\/strong><\/p>\n<p><strong>call<\/strong> \u662f\u4e00\u4e2a\u7279\u6b8a\u65b9\u6cd5\uff0c\u5b83\u5141\u8bb8\u5b9e\u4f8b\u50cf\u53ef\u8c03\u7528\u5bf9\u8c61\u4e00\u6837\u8c03\u7528\u3002\u5f53\u8c03\u7528\u5b9e\u4f8b\u65f6\uff0c\u89e3\u91ca\u5668\u4f1a\u81ea\u52a8\u67e5\u627e <strong>call<\/strong> \u65b9\u6cd5\u5e76\u6267\u884c\u5b83\u3002<\/p>\n<p>\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff1a<\/p>\n<pre>p = np.poly1d([1, 2, 3])\np(0.5)<\/pre>\n<p>\u53d8\u91cf p \u6307\u5411 np.poly1d \u7c7b\u7684\u5b9e\u4f8b\u3002\u5f53\u8c03\u7528 p(0.5) \u65f6\uff0c\u89e3\u91ca\u5668\u4f1a\u641c\u7d22 np.poly1d \u7c7b\u4e2d\u662f\u5426\u5b58\u5728 <strong>call<\/strong> \u65b9\u6cd5\u3002\u5982\u679c\u627e\u5230\uff0c\u5c06\u6267\u884c\u8be5\u65b9\u6cd5\uff0c\u4f20\u5165\u7684\u53c2\u6570\u4e3a 0.5\u3002<\/p>\n<p>\u56e0\u6b64\uff0c__call__ \u51fd\u6570\u4f7f\u5b9e\u4f8b\u53ef\u4ee5\u50cf\u51fd\u6570\u4e00\u6837\u88ab\u8c03\u7528\uff0c\u4ece\u800c\u63d0\u4f9b\u4e86\u7b80\u6d01\u4e14\u7075\u6d3b\u7684\u8bed\u6cd5\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPython \u4e2d\u5b9e\u4f8b\u8c03\u7528\uff1a__call__ \u51fd\u6570\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u4e2d\u5b9e\u4f8b\u8c03\u7528\uff1a__c&#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-204485","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204485","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=204485"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204485\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}