{"id":205188,"date":"2025-05-29T14:20:21","date_gmt":"2025-05-29T06:20:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205188\/"},"modified":"2025-05-29T14:20:21","modified_gmt":"2025-05-29T06:20:21","slug":"%e5%a6%82%e4%bd%95%e8%bd%bb%e6%9d%be%e8%ae%bf%e9%97%ae%e5%92%8c%e6%93%8d%e4%bd%9c%e6%b7%b1%e5%ba%a6%e5%b5%8c%e5%a5%97%e7%9a%84%e5%ad%97%e5%85%b8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205188\/","title":{"rendered":"\u5982\u4f55\u8f7b\u677e\u8bbf\u95ee\u548c\u64cd\u4f5c\u6df1\u5ea6\u5d4c\u5957\u7684\u5b57\u5178\uff1f"},"content":{"rendered":"

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

\u5982\u4f55\u8f7b\u677e\u8bbf\u95ee\u548c\u64cd\u4f5c\u6df1\u5ea6\u5d4c\u5957\u7684\u5b57\u5178\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u8f7b\u677e\u8bbf\u95ee\u548c\u64cd\u4f5c\u6df1\u5ea6\u5d4c\u5957\u7684\u5b57\u5178\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

<\/p>\n

python\uff1a\u8f7b\u677e\u8bbf\u95ee\u6df1\u5ea6\u5d4c\u5957\u7684\u5b57\u5178<\/strong><\/p>\n

\u5f53\u9700\u8981\u4e0e\u6df1\u5ea6\u5d4c\u5957\u7684\u5b57\u5178\u4ea4\u4e92\u65f6\uff0c\u5bfb\u627e\u4e00\u79cd\u7b80\u5316\u8bbf\u95ee\u548c\u64cd\u4f5c\u7684\u65b9\u6cd5\u53d8\u5f97\u5f88\u6709\u5fc5\u8981\u3002\u672c\u6587\u63d0\u4f9b\u4e86\u4e24\u79cd\u65b9\u6cd5\uff0c\u5c06\u5c5e\u6027\u3001\u70b9\u8868\u793a\u6cd5\u548c\u5b57\u5178\u65b9\u6cd5\u76f8\u7ed3\u5408\uff0c\u4ee5\u8f7b\u677e\u83b7\u53d6\u548c\u8bbe\u7f6e\u5d4c\u5957\u503c\u3002<\/p>\n

\u5c5e\u6027\u6811<\/strong><\/p>\n

\u91c7\u7528\u539f\u59cb\u7684 dotdictify \u7c7b\uff0c\u5220\u9664\u6807\u8bb0\u5e76\u4fee\u6539 getitem<\/strong> \u65b9\u6cd5\uff0c\u4f7f\u5b83\u5728\u5b57\u5178\u4e0a\u8c03\u7528 __getitem__\uff0c\u9664\u975e\u9047\u5230\u4e0d\u5b58\u5728\u7684\u952e\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b83\u5c06\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684 dotdictify \u5bf9\u8c61\u3002\u5982\u679c\u9700\u8981\u4e3a\u672a\u5b9a\u4e49\u7684\u952e\u521b\u5efa\u6811\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u4fee\u6539\u6b64\u65b9\u6cd5\u3002<\/p>\n

\u8def\u5f84\u652f\u6301<\/strong><\/p>\n

\u8981\u4f7f\u7528\u70b9\u8868\u793a\u6cd5\u8bbf\u95ee\u548c\u8bbe\u7f6e\u503c\uff0c\u9700\u8981\u4fee\u6539 dotdictify \u7c7b\uff0c\u4f7f\u5176\u8986\u76d6 setitem<\/strong> \u548c getitem<\/strong> \u65b9\u6cd5\u3002\u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0c\u952e\u5c06\u88ab\u62c6\u5206\u4e3a\u7ec4\u4ef6\uff0c\u5e76\u9012\u5f52\u8c03\u7528 dotdictify \u5bf9\u8c61\u6765\u8bbf\u95ee\u6216\u8bbe\u7f6e\u5d4c\u5957\u503c\u3002\u6b64\u5916\uff0c\u8fd8\u63d0\u4f9b\u4e86\u5bf9 setitem \u548c __setattr<\/strong> \u7684\u652f\u6301\uff0c\u5141\u8bb8\u4f7f\u7528\u5c5e\u6027\u8868\u793a\u6cd5\u8bbe\u7f6e\u503c\u3002<\/p>\n

\u4f7f\u7528\u793a\u4f8b<\/strong><\/p>\n

# \u521b\u5efa\u4e00\u4e2a dotdictify \u5b9e\u4f8b\nlife = dotdictify({'bigBang': {'stars': {'planets': {}}}})\n\n# \u4f7f\u7528\u70b9\u8868\u793a\u6cd5\u8bbf\u95ee\u503c\nprint(life.bigBang.stars.planets) # {}\n\n# \u4f7f\u7528\u70b9\u8868\u793a\u6cd5\u8bbe\u7f6e\u503c\nlife.bigBang.stars.planets.earth = { 'singleCellLife' : {} }\n\n# \u83b7\u53d6\u503c\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u8fd4\u56de\u9ed8\u8ba4\u503c\nprint(life.get('bigBang.stars.planets.mars.landers.spirit', True)) # True\n\n# \u4f7f\u7528 setdefault() \u521b\u5efa\u5e76\u83b7\u53d6\u503c\nprint(life.setdefault('bigBang.stars.planets.mars.landers.opportunity', True)) # True<\/pre>\n
\u901a\u8fc7\u8fd9\u4e9b\u4fee\u6539\uff0cdotdictify \u7c7b\u63d0\u4f9b\u4e86\u5bf9\u6df1\u5ea6\u5d4c\u5957\u5b57\u5178\u7684\u65b9\u4fbf\u8bbf\u95ee\uff0c\u652f\u6301\u5c5e\u6027\u8868\u793a\u6cd5\u548c\u70b9\u8868\u793a\u6cd5\uff0c\u540c\u65f6\u4fdd\u6301\u4e86\u5b57\u5178\u7684\u57fa\u672c\u884c\u4e3a\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u8f7b\u677e\u8bbf\u95ee\u548c\u64cd\u4f5c\u6df1\u5ea6\u5d4c\u5957\u7684\u5b57\u5178\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":"
\u5982\u4f55\u8f7b\u677e\u8bbf\u95ee\u548c\u64cd\u4f5c\u6df1\u5ea6\u5d4c\u5957\u7684\u5b57\u5178...<\/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-205188","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205188","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=205188"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205188\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}