{"id":205154,"date":"2025-05-29T15:28:18","date_gmt":"2025-05-29T07:28:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205154\/"},"modified":"2025-05-29T15:28:18","modified_gmt":"2025-05-29T07:28:18","slug":"python%e5%ad%97%e5%85%b8%e6%9f%a5%e8%af%a2%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e6%97%a0%e6%b3%95%e6%89%93%e5%8d%b0%e5%ad%97%e5%85%b8%e6%97%a0%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205154\/","title":{"rendered":"Python\u5b57\u5178\u67e5\u8be2\uff1a\u4e3a\u4ec0\u4e48\u65e0\u6cd5\u6253\u5370\u201c\u5b57\u5178\u65e0\u503c\u201d\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python\u5b57\u5178\u67e5\u8be2\uff1a\u4e3a\u4ec0\u4e48\u65e0\u6cd5\u6253\u5370\u201c\u5b57\u5178\u65e0\u503c\u201d\uff1f<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPython\u5b57\u5178\u67e5\u8be2\uff1a\u4e3a\u4ec0\u4e48\u65e0\u6cd5\u6253\u5370\u201c\u5b57\u5178\u65e0\u503c\u201d\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241124\/173245344067432440218fb.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>python\u65b0\u624b\u5c0f\u95ee\u9898\uff1a\u5b57\u5178\u67e5\u8be2\u540e\u65e0\u6cd5\u6253\u5370\u201c\u5b57\u5178\u65e0\u503c\u201d<\/strong><\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u65e8\u5728\u4f7f\u7528\u5b57\u5178\u8fdb\u884c\u64cd\u4f5c\uff0c\u5305\u62ec\u521b\u5efa\u3001\u67e5\u627e\u548c\u9000\u51fa\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u5728\u67e5\u8be2\u4e00\u4e2a\u4e0d\u5b58\u5728\u4e8e\u5b57\u5178\u4e2d\u7684\u503c\u65f6\uff0c\u7a0b\u5e8f\u4e0d\u4f1a\u6253\u5370\u201c\u5b57\u5178\u65e0\u503c\u201d\u3002\u4ee5\u4e0b\u8ba8\u8bba\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u3002<\/p>\n<p>\u5728\u4ee3\u7801\u4e2d\uff0c\u5b57\u5178\u6700\u521d\u662f\u7a7a\u7684\u3002\u5f53\u8f93\u5165\u201cs\u201d\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u4ee3\u7801\u4f7f\u7528\u4e00\u4e2afor\u5faa\u73af\u904d\u5386\u5b57\u5178\u7684\u952e\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5b57\u5178\u662f\u7a7a\u7684\uff0c\u5faa\u73af\u4e0d\u4f1a\u6267\u884c\uff0c\u4ece\u800c\u5bfc\u81f4\u7a0b\u5e8f\u65e0\u6cd5\u68c0\u67e5\u662f\u5426\u5b58\u5728\u6240\u67e5\u8be2\u7684\u503c\u3002<\/p>\n<p>\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06for\u5faa\u73af\u66f4\u6539\u4e3a\u4f7f\u7528try-except\u5757\u3002\u5728try\u5757\u4e2d\uff0c\u67e5\u8be2\u5b57\u5178\u503c\uff0c\u5982\u679c\u503c\u4e0d\u5b58\u5728\uff0c\u5219\u7531except\u5757\u6355\u83b7keyerror\u5f02\u5e38\u5e76\u6253\u5370\u201c\u5b57\u5178\u65e0\u503c\u201d\u3002<\/p>\n<p>\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>while 1:\n    ... # \u4e0a\u8ff0\u4ee3\u7801\u4fdd\u6301\u4e0d\u53d8\n\n    elif (values1.upper() == 'S'):\n        input_key = input(\"\u8bf7\u8f93\u5165\u5b57\u5178key\u503c\")\n        try:\n            print(zidian[input_key])\n        except KeyError as e:\n            print('\u5b57\u5178\u4e2d\u4e0d\u5b58\u5728input_key\u5bf9\u5e94\u7684\u503c')<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528try-except\u5757\uff0c\u4ee3\u7801\u80fd\u591f\u6355\u83b7\u67e5\u8be2\u7684key\u503c\u4e0d\u5b58\u5728\u7684\u60c5\u51b5\u5e76\u76f8\u5e94\u5730\u6253\u5370\u9519\u8bef\u6d88\u606f\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aPython\u5b57\u5178\u67e5\u8be2\uff1a\u4e3a\u4ec0\u4e48\u65e0\u6cd5\u6253\u5370\u201c\u5b57\u5178\u65e0\u503c\u201d\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u5b57\u5178\u67e5\u8be2\uff1a\u4e3a\u4ec0\u4e48\u65e0\u6cd5&#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-205154","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205154","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=205154"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205154\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}