{"id":3610,"date":"2025-05-28T14:39:59","date_gmt":"2025-06-04T07:34:58","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3610"},"modified":"2025-06-04T14:39:59","modified_gmt":"2025-06-04T07:34:58","slug":"%e8%a7%a3%e6%b1%bapython%e4%b8%ad%e7%9a%84nameerror%e9%8c%af%e8%aa%a4","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e8%a7%a3%e6%b1%bapython%e4%b8%ad%e7%9a%84nameerror%e9%8c%af%e8%aa%a4\/","title":{"rendered":"2025 \u6700\u65b0\u89e3\u6c7a\u65b9\u6848\uff1aPython \u4e2d\u7684 NameError \u932f\u8aa4\u89e3\u6790\u8207\u89e3\u6c7a\u6280\u5de7"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, NameError, Python \u932f\u8aa4\u8655\u7406, Python \u6559\u5b78\"><\/p>\n<h1>\u4ec0\u9ebc\u662f Python \u7684 NameError\uff1f<\/h1>\n<p>Python \u7684 NameError \u662f\u4e00\u7a2e\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u8868\u793a\u4f60\u5728\u7a0b\u5f0f\u78bc\u4e2d\u4f7f\u7528\u4e86\u4e00\u500b\u672a\u5b9a\u7fa9\u7684\u8b8a\u6578\u540d\u7a31\u3002\u9019\u7a2e\u932f\u8aa4\u6703\u5c0e\u81f4\u7a0b\u5f0f\u505c\u6b62\u57f7\u884c\uff0c\u4e26\u986f\u793a\u932f\u8aa4\u8a0a\u606f\uff0c\u63d0\u793a\u4f60\u54ea\u88e1\u51fa\u4e86\u554f\u984c\u3002\u4e86\u89e3 NameError \u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u5c0d\u65bc\u6bcf\u4f4d Python \u958b\u767c\u8005\u4f86\u8aaa\u90fd\u662f\u5fc5\u9808\u7684\u3002<\/p>\n<h2>NameError \u7684\u6210\u56e0<\/h2>\n<p>NameError \u662f Python \u4e2d\u6700\u5e38\u898b\u7684\u932f\u8aa4\u4e4b\u4e00\uff0c\u901a\u5e38\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\u767c\u751f\uff1a<br \/>\n&#8211; \u5617\u8a66\u4f7f\u7528\u5c1a\u672a\u5b9a\u7fa9\u7684\u8b8a\u6578\u3002<br \/>\n&#8211; \u8b8a\u6578\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\u3002<br \/>\n&#8211; \u8b8a\u6578\u7684\u4f5c\u7528\u57df\u8d85\u51fa\u7bc4\u570d\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u4f60\u5617\u8a66\u4f7f\u7528\u4e00\u500b\u540d\u70ba <span style=\"color: #ff0000; font-weight: bold;\">my_variable<\/span> \u7684\u8b8a\u6578\uff0c\u4f46\u4f60\u6c92\u6709\u5728\u7a0b\u5f0f\u78bc\u4e2d\u5b9a\u7fa9\u5b83\uff0c\u5247\u6703\u6536\u5230 NameError\uff1a<\/p>\n<pre class=\"brush: python\">\nmy_variable = 10\n\nprint(my_variable)  # Output: 10\n\nprint(another_variable)  # Output: NameError: name 'another_variable' is not defined\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba <span style=\"color: #ff0000; font-weight: bold;\">my_variable<\/span> \u7684\u8b8a\u6578\uff0c\u4e26\u6210\u529f\u5c07\u5176\u503c\u8a2d\u7f6e\u70ba 10\u3002\u7136\u800c\uff0c\u7576\u6211\u5011\u5617\u8a66\u4f7f\u7528\u4e00\u500b\u672a\u5b9a\u7fa9\u7684\u8b8a\u6578 <span style=\"color: #ff0000; font-weight: bold;\">another_variable<\/span> \u6642\uff0c\u5c31\u6703\u767c\u751f NameError\u3002<\/p>\n<h2>\u5982\u4f55\u89e3\u6c7a NameError<\/h2>\n<p>\u8981\u89e3\u6c7a NameError\uff0c\u4f60\u9700\u8981\u78ba\u4fdd\u5728\u7a0b\u5f0f\u78bc\u4e2d\u5b9a\u7fa9\u4e86\u6240\u6709\u8981\u4f7f\u7528\u7684\u8b8a\u6578\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u6c7a NameError \u7684\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<p>1. **\u6aa2\u67e5\u8b8a\u6578\u5b9a\u7fa9**\uff1a\u78ba\u4fdd\u6240\u6709\u4f7f\u7528\u7684\u8b8a\u6578\u90fd\u6709\u6b63\u78ba\u7684\u5b9a\u7fa9\u3002<\/p>\n<p>2. **\u4f7f\u7528 `dir()` \u51fd\u6578\u6aa2\u67e5\u8b8a\u6578**\uff1a\u9019\u500b\u51fd\u6578\u53ef\u4ee5\u5e6b\u52a9\u4f60\u67e5\u770b\u7576\u524d\u4f5c\u7528\u57df\u4e2d\u5b9a\u7fa9\u4e86\u54ea\u4e9b\u8b8a\u6578\u3002<\/p>\n<pre class=\"brush: python\">\nmy_variable = 10\n\nprint(dir())  # Output: ['my_variable']\n<\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba <span style=\"color: #ff0000; font-weight: bold;\">my_variable<\/span> \u7684\u8b8a\u6578\uff0c\u4e26\u4f7f\u7528 <span style=\"color: #ff0000; font-weight: bold;\">dir()<\/span> \u51fd\u6578\u6aa2\u67e5\u7576\u524d\u4f5c\u7528\u57df\u4e2d\u7684\u8b8a\u6578\u3002<\/p>\n<p>3. **\u78ba\u8a8d\u8b8a\u6578\u7684\u4f5c\u7528\u57df**\uff1a\u8b8a\u6578\u53ef\u80fd\u56e0\u70ba\u4f5c\u7528\u57df\u554f\u984c\u800c\u7121\u6cd5\u88ab\u8a2a\u554f\u3002\u78ba\u4fdd\u4f60\u5728\u6b63\u78ba\u7684\u4f5c\u7528\u57df\u4e2d\u4f7f\u7528\u5b83\u5011\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528\uff1a\u8b8a\u6578\u547d\u540d\u898f\u7bc4<\/h2>\n<p>\u5728\u7de8\u7a0b\u4e2d\uff0c\u826f\u597d\u7684\u8b8a\u6578\u547d\u540d\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u6709\u610f\u7fa9\u7684\u8b8a\u6578\u540d\u7a31\u53ef\u4ee5\u4f7f\u4ee3\u78bc\u66f4\u6613\u65bc\u7406\u89e3\uff0c\u5f9e\u800c\u964d\u4f4e NameError \u7684\u767c\u751f\u7387\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5982\u679c\u4f60\u9047\u5230 NameError\uff0c\u9019\u88e1\u6709\u5e7e\u500b\u6b65\u9a5f\u53ef\u4ee5\u5e6b\u52a9\u4f60\u6392\u67e5\u554f\u984c\uff1a<br \/>\n&#8211; \u78ba\u8a8d\u8b8a\u6578\u662f\u5426\u62fc\u5beb\u6b63\u78ba\u3002<br \/>\n&#8211; \u78ba\u8a8d\u8b8a\u6578\u662f\u5426\u5728\u4f7f\u7528\u524d\u5df2\u88ab\u5b9a\u7fa9\u3002<br \/>\n&#8211; \u6aa2\u67e5\u8b8a\u6578\u7684\u4f5c\u7528\u57df\uff0c\u78ba\u4fdd\u5176\u53ef\u8a2a\u554f\u6027\u3002<\/p>\n<p>\u8981\u7372\u5f97\u66f4\u591a Python \u932f\u8aa4\u8655\u7406\u7684\u6df1\u5165\u8cc7\u6599\uff0c\u53ef\u4ee5\u53c3\u8003[\u9019\u7bc7\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/60f8d8e5fd8978000168e5c0)\u4e86\u89e3\u5982\u4f55\u6709\u6548\u8655\u7406\u5404\u7a2e Python \u932f\u8aa4\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cNameError \u662f Python \u4e2d\u6700\u5e38\u898b\u7684\u932f\u8aa4\u4e4b\u4e00\uff0c\u5b83\u6703\u5728\u4f60\u5617\u8a66\u4f7f\u7528\u4e00\u500b\u672a\u5b9a\u7fa9\u7684\u8b8a\u6578\u6642\u767c\u751f\u3002\u8981\u89e3\u6c7a NameError\uff0c\u53ea\u9700\u78ba\u4fdd\u5728\u7a0b\u5f0f\u78bc\u4e2d\u6b63\u78ba\u5b9a\u7fa9\u6240\u6709\u8981\u4f7f\u7528\u7684\u8b8a\u6578\u4e26\u6ce8\u610f\u8b8a\u6578\u7684\u4f5c\u7528\u57df\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: \u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe NameError\uff1f<\/h3>\n<p>A1: NameError \u901a\u5e38\u51fa\u73fe\u5728\u4f60\u5617\u8a66\u4f7f\u7528\u4e00\u500b\u5c1a\u672a\u5b9a\u7fa9\u7684\u8b8a\u6578\u6216\u8b8a\u6578\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\u6642\u3002<\/p>\n<h3>Q2: \u5982\u4f55\u907f\u514d NameError\uff1f<\/h3>\n<p>A2: \u78ba\u4fdd\u5728\u4f7f\u7528\u8b8a\u6578\u4e4b\u524d\u5df2\u7d93\u6b63\u78ba\u5b9a\u7fa9\u5b83\u5011\uff0c\u4e26\u6aa2\u67e5\u8b8a\u6578\u540d\u7a31\u7684\u62fc\u5beb\u548c\u4f5c\u7528\u57df\u3002<\/p>\n<h3>Q3: \u6709\u54ea\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u6211\u6aa2\u67e5 Python \u4ee3\u78bc\u4e2d\u7684\u932f\u8aa4\uff1f<\/h3>\n<p>A3: \u4f60\u53ef\u4ee5\u4f7f\u7528 Python \u7684\u5167\u5efa\u51fd\u6578\u5982 `dir()`\uff0c\u4ee5\u53ca IDE \u7684\u932f\u8aa4\u6aa2\u67e5\u529f\u80fd\u4f86\u5e6b\u52a9\u4f60\u6392\u67e5\u932f\u8aa4\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u89e3\u6c7aPython\u4e2d\u7684NameError\u932f\u8aa4\uff0c\u4e86\u89e3methods()\u51fd\u6578\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u89e3\u6c7aNameError\u932f\u8aa4\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-We","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3610"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3610\/revisions"}],"predecessor-version":[{"id":3611,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3610\/revisions\/3611"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}