{"id":205206,"date":"2025-05-29T16:37:08","date_gmt":"2025-05-29T08:37:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205206\/"},"modified":"2025-05-29T16:37:08","modified_gmt":"2025-05-29T08:37:08","slug":"python-%e7%b1%bb%e9%93%be%e5%bc%8f%e8%b0%83%e7%94%a8%e6%97%b6%ef%bc%8c%e4%b8%ba%e4%bd%95%e6%af%8f%e6%ac%a1%e8%be%93%e5%87%ba%e7%9a%84-id-%e9%83%bd%e4%b8%8d%e4%b8%80%e6%a0%b7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205206\/","title":{"rendered":"Python \u7c7b\u94fe\u5f0f\u8c03\u7528\u65f6\uff0c\u4e3a\u4f55\u6bcf\u6b21\u8f93\u51fa\u7684 id \u90fd\u4e0d\u4e00\u6837\uff1f"},"content":{"rendered":"

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

Python \u7c7b\u94fe\u5f0f\u8c03\u7528\u65f6\uff0c\u4e3a\u4f55\u6bcf\u6b21\u8f93\u51fa\u7684 id \u90fd\u4e0d\u4e00\u6837\uff1f<\/h1>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

<\/p>\n

python \u7c7b\u7684\u5185\u5b58\u5206\u914d\u95ee\u9898<\/strong><\/p>\n

\u5728 python \u4e2d\uff0c\u5f53\u4f7f\u7528\u7c7b\u521b\u5efa\u5bf9\u8c61\u65f6\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u5360\u636e\u7740\u72ec\u7acb\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u4f46\u662f\uff0c\u6709\u65f6\u5728\u5bf9\u7c7b\u8fdb\u884c\u94fe\u5f0f\u8c03\u7528\u65f6\uff0c\u4f1a\u53d1\u73b0\u6bcf\u6b21\u8f93\u51fa\u7684 id \u90fd\u4e0d\u540c\uff0c\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n

\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

class chain(object):\n    def __init__(self, path=''):\n        self._path = path\n\n    def __getattr__(self, path):\n        return chain('{}\/{:s}'.format(self._path, path))\n\n    def __str__(self):\n        return self._path\n\n    __repr__ = __str__\n\nchain = chain()\nchain.wenzhou<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 chain \u7c7b\u521b\u5efa\u4e86\u4e00\u4e2a chain \u5b9e\u4f8b\uff0c\u5e76\u8c03\u7528\u5176 wenzhou \u5c5e\u6027\u3002\u7136\u800c\uff0c\u6bcf\u6b21\u8c03\u7528\u65f6\uff0c\u8f93\u51fa\u7684 id \u90fd\u4e0d\u540c\u3002<\/p>\n
\u8fd9\u662f\u56e0\u4e3a chain \u7c7b\u7684 __getattr__ \u65b9\u6cd5\u6bcf\u6b21\u8c03\u7528\u65f6\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 chain \u5b9e\u4f8b\u3002\u5f53\u6211\u4eec\u8c03\u7528 chain.wenzhou \u65f6\uff0c__getattr__ \u65b9\u6cd5\u4f1a\u521b\u5efa\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684 chain \u5b9e\u4f8b\uff0c\u8def\u5f84\u4e3a chain._path\/wenzhou\u3002\u7531\u4e8e\u6bcf\u6b21\u8c03\u7528\u7684\u8def\u5f84\u4e0d\u540c\uff0c\u56e0\u6b64\u6bcf\u6b21\u8f93\u51fa\u7684 id \u4e5f\u5c31\u4e0d\u540c\u3002<\/p>\n
\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4fee\u6539 __getattr__ \u65b9\u6cd5\uff0c\u76f4\u63a5\u8fd4\u56de\u5f53\u524d\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u65b0\u5b9e\u4f8b\uff1a<\/p>\n
def __getattr__(self, path):\n    return self # \u8fd4\u56de\u5f53\u524d\u5bf9\u8c61<\/pre>\n
\u901a\u8fc7\u8fd9\u4e2a\u4fee\u6539\uff0c\u6bcf\u6b21\u8c03\u7528\u65f6\u8fd4\u56de\u7684\u90fd\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u56e0\u6b64 id \u4e5f\u4f1a\u76f8\u540c\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300aPython \u7c7b\u94fe\u5f0f\u8c03\u7528\u65f6\uff0c\u4e3a\u4f55\u6bcf\u6b21\u8f93\u51fa\u7684 id \u90fd\u4e0d\u4e00\u6837\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":"
Python \u7c7b\u94fe\u5f0f\u8c03\u7528\u65f6\uff0c\u4e3a\u4f55...<\/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-205206","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205206","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=205206"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205206\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}