{"id":204510,"date":"2025-05-29T08:04:09","date_gmt":"2025-05-29T00:04:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204510\/"},"modified":"2025-05-29T08:04:09","modified_gmt":"2025-05-29T00:04:09","slug":"python-%e4%bb%a3%e7%a0%81%e4%b8%ad%e6%97%b6%e9%97%b4%e4%b8%8d%e6%9b%b4%e6%96%b0%e5%92%8c-name-ss-is-not-defined-%e9%94%99%e8%af%af%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204510\/","title":{"rendered":"Python \u4ee3\u7801\u4e2d\u65f6\u95f4\u4e0d\u66f4\u65b0\u548c “name ‘ss’ is not defined” \u9519\u8bef\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"

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

Python \u4ee3\u7801\u4e2d\u65f6\u95f4\u4e0d\u66f4\u65b0\u548c “name ‘ss’ is not defined” \u9519\u8bef\u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u4e3b\u8981\u8bb2\u89e3\u4e86<\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

<\/p>\n

\u65f6\u95f4\u4e0d\u66f4\u65b0\u53ca name ‘ss’ is not defined \u7684\u89e3\u51b3\u529e\u6cd5<\/strong><\/p>\n

\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u4e2d\uff0c\u51fa\u73b0\u4e86\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n

    \n
  1. \u65f6\u95f4\u4e0d\u66f4\u65b0<\/strong><\/li>\n<\/ol>\n

    \u95ee\u9898\u7684\u539f\u56e0\u5728\u4e8e\u5168\u5c40\u53d8\u91cf t \u548c\u7c7b\u5c5e\u6027 ss \u5728\u521d\u59cb\u5316\u540e\u4ece\u672a\u88ab\u91cd\u65b0\u8d4b\u503c\u3002\u6bcf\u5f53\u8c03\u7528 time.strftime \u65f6\uff0c\u5b83\u83b7\u53d6\u7cfb\u7edf\u5f53\u524d\u65f6\u95f4\uff0c\u800c\u4e0d\u662f\u4ece t \u6216 ss \u83b7\u53d6\u3002\u56e0\u6b64\uff0c\u8fd9\u4e9b\u53d8\u91cf\u4e0d\u4f1a\u66f4\u65b0\u3002<\/p>\n

      \n
    1. name ‘ss’ is not defined<\/strong><\/li>\n<\/ol>\n

      \u95ee\u9898\u7684\u539f\u56e0\u5728\u4e8e\u65b9\u6cd5 c \u4e2d\u6ca1\u6709\u6b63\u786e\u4f7f\u7528 global \u5173\u952e\u5b57\u3002\u8981\u4fee\u6539\u5168\u5c40\u53d8\u91cf\uff0c\u9700\u8981\u5728\u65b9\u6cd5\u4e2d\u4f7f\u7528 global \u5173\u952e\u5b57\uff0c\u7136\u540e\u5728\u65b9\u6cd5\u5185\u8d4b\u503c\u53d8\u91cf\u3002\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u4e2d\uff0c\u53d8\u91cf ss \u6ca1\u6709\u5728\u65b9\u6cd5 c \u4e2d\u88ab\u91cd\u65b0\u8d4b\u503c\u3002<\/p>\n

      \u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n

        \n
      1. \u65f6\u95f4\u4e0d\u66f4\u65b0<\/strong><\/li>\n<\/ol>\n

        \u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u9700\u8981\u5728\u5faa\u73af\u4e2d\u5b9a\u671f\u91cd\u65b0\u8d4b\u503c t \u548c ss\u3002\u4e00\u79cd\u65b9\u6cd5\u662f\u5728 while \u5faa\u73af\u4e2d\u8c03\u7528 time.strftime\uff1a<\/p>\n

        while true:\n    t = time.strftime('%h:%m', time.localtime())\n    ss = time.strftime('%h:%m', time.localtime())\n    ...<\/pre>\n
          \n
        1. name ‘ss’ is not defined<\/strong><\/li>\n<\/ol>\n
          \u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u5728\u65b9\u6cd5 c \u4e2d\u6b63\u786e\u4f7f\u7528 global \u5173\u952e\u5b57\u5e76\u91cd\u65b0\u8d4b\u503c\u53d8\u91cf\uff1a<\/p>\n
          def c(self):\n    global ss\n    ss = time.strftime('%H:%M', time.localtime())\n    print(ss, '`c()` global ss')<\/pre>\n
          \u4eca\u5929\u5173\u4e8e\u300aPython \u4ee3\u7801\u4e2d\u65f6\u95f4\u4e0d\u66f4\u65b0\u548c “name ‘ss’ is not defined” \u9519\u8bef\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          Python \u4ee3\u7801\u4e2d\u65f6\u95f4\u4e0d\u66f4\u65b0\u548c...<\/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-204510","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204510","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=204510"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204510\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}