{"id":202606,"date":"2025-05-22T10:14:43","date_gmt":"2025-05-22T02:14:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202606\/"},"modified":"2025-05-22T10:14:43","modified_gmt":"2025-05-22T02:14:43","slug":"%e9%ab%98%e9%98%b6%e5%87%bd%e6%95%b0%e7%9a%84%e5%ae%9a%e4%b9%89%e5%8f%8a%e5%85%b6%e7%89%b9%e7%82%b9%e6%98%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202606\/","title":{"rendered":"\u9ad8\u9636\u51fd\u6570\u7684\u5b9a\u4e49\u53ca\u5176\u7279\u70b9\u662f\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u9ad8\u9636\u51fd\u6570\u7684\u5b9a\u4e49\u53ca\u5176\u7279\u70b9\u662f\uff1f<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u9ad8\u9636\u51fd\u6570\u7684\u5b9a\u4e49\u53ca\u5176\u7279\u70b9\u662f\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p>\u9ad8\u9636\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u6216\u8fd4\u56de\u51fd\u6570\uff0c\u5141\u8bb8\u7ec4\u5408\u51fd\u6570\uff0c\u62bd\u8c61\u4ee3\u7801\uff0c\u589e\u5f3a\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u3001\u53ef\u590d\u7528\u6027\u548c\u53ef\u8868\u8fbe\u6027\u3002\u5b9e\u6218\u6848\u4f8b\u5305\u62ec\uff1a\u7b5b\u9009\u5217\u8868\u3001\u6620\u5c04\u5217\u8868\u548c\u7ec4\u5408\u51fd\u6570\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729923030671c87d643c33.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u9ad8\u9636\u51fd\u6570<\/strong><\/p>\n<p>\u9ad8\u9636\u51fd\u6570\u662f\u4e00\u79cd\u53ef\u4ee5\u63a5\u53d7\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u6216\u8fd4\u56de\u51fd\u6570\u7684\u51fd\u6570\u3002\u5b83\u4eec\u5141\u8bb8\u6211\u4eec\u521b\u5efa\u66f4\u7075\u6d3b\u3001\u66f4\u53ef\u590d\u7528\u3001\u66f4\u5177\u8868\u73b0\u529b\u7684\u4ee3\u7801\u3002<\/p>\n<p><strong>\u7279\u70b9<\/strong><\/p>\n<ul>\n<li><strong>\u63a5\u53d7\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff1a<\/strong>\u9ad8\u9636\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u5176\u53c2\u6570\u63a5\u53d7\u51fd\u6570\u3002<\/li>\n<li><strong>\u8fd4\u56de\u51fd\u6570\uff1a<\/strong>\u9ad8\u9636\u51fd\u6570\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u8fd4\u56de\u503c\u3002<\/li>\n<li><strong>\u7ec4\u5408\u51fd\u6570\uff1a<\/strong>\u9ad8\u9636\u51fd\u6570\u5141\u8bb8\u6211\u4eec\u4ee5\u65b0\u7684\u65b9\u5f0f\u7ec4\u5408\u51fd\u6570\uff0c\u4f7f\u5176\u66f4\u6613\u4e8e\u7ef4\u62a4\u548c\u7406\u89e3\u3002<\/li>\n<li><strong>\u62bd\u8c61\uff1a<\/strong>\u9ad8\u9636\u51fd\u6570\u6709\u52a9\u4e8e\u62bd\u8c61\u4ee3\u7801\uff0c\u4f7f\u6211\u4eec\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\uff0c\u800c\u4e0d\u5fc5\u8003\u8651\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u7b5b\u9009\u5217\u8868\uff1a<\/strong><\/p>\n<pre>def filter_list(predicate, list):\n    \"\"\"\n    \u7b5b\u9009\u5217\u8868\u4e2d\u6ee1\u8db3\u8c13\u8bcd`predicate`\u7684\u5143\u7d20\u3002\n\n    :param predicate: \u8981\u5e94\u7528\u7684\u8c13\u8bcd\u51fd\u6570\n    :param list: \u8981\u7b5b\u9009\u7684\u5217\u8868\n    :return: \u6ee1\u8db3\u8c13\u8bcd\u6761\u4ef6\u7684\u5143\u7d20\u5217\u8868\n    \"\"\"\n    return [x for x in list if predicate(x)]\n\n# \u5b9e\u4f8b\uff1a\u7b5b\u9009\u51fa\u5076\u6570\neven_predicate = lambda x: x % 2 == 0\nfiltered_list = filter_list(even_predicate, [1, 2, 3, 4, 5])\nprint(filtered_list)  # \u8f93\u51fa\uff1a[2, 4]<\/pre>\n<p><strong>\u6620\u5c04\u5217\u8868\uff1a<\/strong><\/p>\n<pre>def map_list(function, list):\n    \"\"\"\n    \u5c06\u51fd\u6570`function`\u5e94\u7528\u4e8e\u5217\u8868\u4e2d\u6bcf\u4e2a\u5143\u7d20\u3002\n\n    :param function: \u8981\u5e94\u7528\u7684\u51fd\u6570\n    :param list: \u8981\u6620\u5c04\u7684\u5217\u8868\n    :return: \u4e00\u4e2a\u5305\u542b\u6bcf\u4e2a\u5143\u7d20\u51fd\u6570\u8fd4\u56de\u7684\u65b0\u5217\u8868\n    \"\"\"\n    return [function(x) for x in list]\n\n# \u5b9e\u4f8b\uff1a\u5c06\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u6570\u5b57\u4e58\u4ee5 2\nmultiply_by_two = lambda x: x * 2\nmapped_list = map_list(multiply_by_two, [1, 2, 3])\nprint(mapped_list)  # \u8f93\u51fa\uff1a[2, 4, 6]<\/pre>\n<p><strong>\u51fd\u6570\u7ec4\u5408\uff1a<\/strong><\/p>\n<pre>def compose(f, g):\n    \"\"\"\n    \u8fd4\u56de\u5e94\u7528\u4e8e\u67d0\u4e2a\u503c\u7684\u7b2c\u4e00\u51fd\u6570`f`\u7684\u8f93\u51fa\u7684\u7b2c\u4e8c\u4e2a\u51fd\u6570`g`\u3002\n\n    :param f: \u7b2c\u4e00\u4e2a\u51fd\u6570\n    :param g: \u7b2c\u4e8c\u4e2a\u51fd\u6570\n    :return: \u4e00\u4e2a\u65b0\u7684\u51fd\u6570\uff0c\u5b83\u5148\u5e94\u7528`f`\u518d\u5e94\u7528`g`\n    \"\"\"\n    return lambda x: g(f(x))\n\n# \u5b9e\u4f8b\uff1a\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u5927\u5199\u518d\u53cd\u8f6c\nto_upper = lambda x: x.upper()\nto_reverse = lambda x: x[::-1]\ncombined = compose(to_upper, to_reverse)\nprint(combined(\"hello\"))  # \u8f93\u51fa\uff1aOLLEH<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u9ad8\u9636\u51fd\u6570\u7684\u5b9a\u4e49\u53ca\u5176\u7279\u70b9\u662f\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9ad8\u9636\u51fd\u6570\u7684\u5b9a\u4e49\u53ca\u5176\u7279\u70b9\u662f\uff1f \u5c0f\u4f19&#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-202606","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202606","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=202606"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202606\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}