{"id":2874,"date":"2025-05-29T16:57:35","date_gmt":"2025-06-04T09:32:34","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2874"},"modified":"2025-06-04T16:57:35","modified_gmt":"2025-06-04T09:32:34","slug":"python%e4%b8%ad%e7%9a%84finally%e9%97%9c%e9%8d%b5%e5%ad%97%ef%bc%9a%e6%b8%85%e7%90%86%e5%b7%a5%e4%bd%9c%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python%e4%b8%ad%e7%9a%84finally%e9%97%9c%e9%8d%b5%e5%ad%97%ef%bc%9a%e6%b8%85%e7%90%86%e5%b7%a5%e4%bd%9c%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7\/","title":{"rendered":"Python \u4e2d\u7684 finally \u95dc\u9375\u5b57\uff1a\u78ba\u4fdd\u6e05\u7406\u5de5\u4f5c\u7684\u5fc5\u8981\u6027\u8207\u6700\u4f73\u5be6\u8e10\uff082025 \u6700\u65b0\uff09"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, finally, \u7570\u5e38\u8655\u7406, \u8cc7\u6e90\u7ba1\u7406\"><\/p>\n<p>\u5728 Python \u4e2d\uff0cfinally \u662f\u4e00\u500b\u6975\u5176\u91cd\u8981\u7684\u8a9e\u53e5\uff0c\u80fd\u5728\u7570\u5e38\u8655\u7406\u5f8c\u57f7\u884c\u5fc5\u8981\u7684\u6e05\u7406\u5de5\u4f5c\u3002\u9019\u4e00\u7279\u6027\u4f7f\u5f97\u5b83\u5728\u8cc7\u6e90\u7ba1\u7406\u4e2d\u4e0d\u53ef\u6216\u7f3a\uff0c\u4f8b\u5982\u91cb\u653e\u9396\u5b9a\u3001\u95dc\u9589\u6587\u4ef6\u6216\u9032\u884c\u5176\u4ed6\u64cd\u4f5c\uff0c\u7121\u8ad6\u7a0b\u5e8f\u662f\u5426\u62cb\u51fa\u7570\u5e38\u3002<\/p>\n<p>## \u4ec0\u9ebc\u6642\u5019\u4f7f\u7528 finally<\/p>\n<p>\u5728 Python \u4e2d\uff0cfinally \u53ef\u4ee5\u7528\u65bc\u4efb\u4f55\u60c5\u6cc1\uff0c\u4f46\u6700\u5e38\u898b\u7684\u4f7f\u7528\u5834\u666f\u662f\u5728 try\/except \u8a9e\u53e5\u4e2d\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0cfinally \u5b50\u53e5\u5c07\u5728 except \u5b50\u53e5\u4e4b\u5f8c\u57f7\u884c\uff0c\u7121\u8ad6\u662f\u5426\u767c\u751f\u7570\u5e38\u3002\u9019\u4fdd\u8b49\u4e86\u8cc7\u6e90\u80fd\u5920\u5f97\u5230\u59a5\u5584\u7684\u7ba1\u7406\u3002<\/p>\n<p>## \u7bc4\u4f8b\u7a0b\u5f0f\u78bc<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 finally \u5b50\u53e5\u4f86\u78ba\u4fdd\u6e05\u7406\u5de5\u4f5c\uff1a<\/p>\n<p>&#8220;`python<br \/>\ntry:<br \/>\n    file = open(&#8216;example.txt&#8217;, &#8216;r&#8217;)<br \/>\n    # \u9019\u88e1\u53ef\u4ee5\u653e\u7f6e\u53ef\u80fd\u62cb\u51fa\u7570\u5e38\u7684\u4ee3\u78bc<br \/>\n    data = file.read()<br \/>\nexcept Exception as e:<br \/>\n    print(f&#8221;\u767c\u751f\u7570\u5e38\uff1a{e}&#8221;)<br \/>\nfinally:<br \/>\n    file.close()  # \u78ba\u4fdd\u6587\u4ef6\u5728\u7a0b\u5e8f\u7d50\u675f\u6642\u88ab\u95dc\u9589<br \/>\n    print(&#8220;\u6587\u4ef6\u5df2\u95dc\u9589\u3002&#8221;)<br \/>\n&#8220;`<\/p>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u7121\u8ad6\u662f\u5426\u62cb\u51fa\u7570\u5e38\uff0cfinally \u5b50\u53e5\u90fd\u5c07\u88ab\u57f7\u884c\uff0c\u4ee5\u78ba\u4fdd\u6587\u4ef6\u80fd\u5920\u88ab\u6b63\u78ba\u95dc\u9589\u3002<\/p>\n<p>## \u70ba\u4ec0\u9ebc\u8981\u4f7f\u7528 finally<\/p>\n<p>\u4f7f\u7528 finally \u7684\u597d\u8655\u5728\u65bc\u5b83\u78ba\u4fdd\u4e86\u5728\u7a0b\u5e8f\u57f7\u884c\u5b8c\u7562\u5f8c\uff0c\u4e00\u4e9b\u5fc5\u8981\u7684\u6e05\u7406\u5de5\u4f5c\u80fd\u5920\u5f97\u5230\u57f7\u884c\u3002\u4f8b\u5982\uff0c\u5728\u8655\u7406\u6587\u4ef6\u6642\uff0c\u4f7f\u7528 finally \u5b50\u53e5\u53ef\u4ee5\u4fdd\u8b49\u6587\u4ef6\u5728\u7a0b\u5e8f\u7d50\u675f\u6642\u88ab\u95dc\u9589\uff0c\u9019\u6709\u52a9\u65bc\u907f\u514d\u8cc7\u6e90\u6d29\u6f0f\u3002<\/p>\n<p>## \u932f\u8aa4\u6392\u9664<\/p>\n<p>\u7576\u60a8\u4f7f\u7528 finally \u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<br \/>\n1. \u78ba\u4fdd\u5728 finally \u4e2d\u7684\u4ee3\u78bc\u4e0d\u6703\u62cb\u51fa\u7570\u5e38\uff0c\u5426\u5247\u5c07\u6703\u63a9\u84cb\u539f\u6709\u7684\u7570\u5e38\u3002<br \/>\n2. \u5982\u679c\u60a8\u5728 finally \u4e2d\u9032\u884c\u4e86\u8cc7\u6e90\u91cb\u653e\uff0c\u8acb\u52d9\u5fc5\u6aa2\u67e5\u8cc7\u6e90\u662f\u5426\u5df2\u7d93\u6b63\u78ba\u521d\u59cb\u5316\u3002<\/p>\n<p>## \u5ef6\u4f38\u61c9\u7528<\/p>\n<p>\u9664\u4e86\u6587\u4ef6\u64cd\u4f5c\uff0cfinally \u9084\u53ef\u4ee5\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u4f8b\u5982\uff1a<br \/>\n&#8211; \u5728\u7db2\u8def\u8acb\u6c42\u5f8c\u95dc\u9589\u9023\u63a5<br \/>\n&#8211; \u5728\u591a\u57f7\u884c\u7dd2\u74b0\u5883\u4e2d\u91cb\u653e\u9396<br \/>\n&#8211; \u5728\u8cc7\u6599\u5eab\u64cd\u4f5c\u5f8c\u78ba\u4fdd\u4ea4\u6613\u7684\u63d0\u4ea4\u6216\u56de\u6efe<\/p>\n<p>\u4f7f\u7528 finally \u53ef\u4ee5\u8b93\u60a8\u7684\u4ee3\u78bc\u66f4\u52a0\u5065\u58ef\uff0c\u6e1b\u5c11\u56e0\u7570\u5e38\u800c\u5c0e\u81f4\u7684\u8cc7\u6e90\u672a\u91cb\u653e\u554f\u984c\u3002<\/p>\n<p>\u5982\u9700\u6df1\u5165\u4e86\u89e3 Python \u7684\u7570\u5e38\u8655\u7406\u6a5f\u5236\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u7570\u5e38\u8655\u7406\u6559\u5b78](https:\/\/vocus.cc\/article\/123456) \u3002<\/p>\n<p>## \u7e3d\u7d50<\/p>\n<p>Python \u7684 finally \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u8a9e\u53e5\uff0c\u5b83\u80fd\u5728\u7570\u5e38\u8655\u7406\u5b8c\u6210\u5f8c\u57f7\u884c\u5fc5\u8981\u7684\u6e05\u7406\u5de5\u4f5c\u3002\u7121\u8ad6\u7a0b\u5e8f\u662f\u5426\u62cb\u51fa\u7570\u5e38\uff0c\u4f7f\u7528 finally \u90fd\u80fd\u78ba\u4fdd\u4e00\u4e9b\u5fc5\u8981\u7684\u6e05\u7406\u5de5\u4f5c\u5f97\u4ee5\u57f7\u884c\u3002\u9019\u5c0d\u65bc\u8cc7\u6e90\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>## Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n<p>**Q1: finally \u548c try\/except \u6709\u4ec0\u9ebc\u5340\u5225\uff1f**<br \/>\nA1: try\/except \u7528\u65bc\u6355\u7372\u548c\u8655\u7406\u7570\u5e38\uff0c\u800c finally \u7528\u65bc\u78ba\u4fdd\u6e05\u7406\u5de5\u4f5c\u7684\u57f7\u884c\uff0c\u7121\u8ad6\u662f\u5426\u767c\u751f\u7570\u5e38\u3002<\/p>\n<p>**Q2: \u6211\u53ef\u4ee5\u5728 finally \u4e2d\u4f7f\u7528 return \u55ce\uff1f**<br \/>\nA2: \u662f\u7684\uff0c\u4f46\u8acb\u6ce8\u610f\uff0cfinally \u4e2d\u7684 return \u6703\u8986\u84cb try \u6216 except \u4e2d\u7684 return \u503c\u3002<\/p>\n<p>**Q3: finally \u6703\u57f7\u884c\u5e7e\u6b21\uff1f**<br \/>\nA3: finally \u5b50\u53e5\u5728\u7a0b\u5e8f\u6b63\u5e38\u7d50\u675f\u6216\u767c\u751f\u7570\u5e38\u6642\u90fd\u6703\u57f7\u884c\u4e00\u6b21\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u4e2d\u7684finally\u95dc\u9375\u5b57\u53ef\u4ee5\u5728\u7570\u5e38\u8655\u7406\u5b8c\u6210\u5f8c\u57f7\u884c\u5fc5\u8981\u7684\u6e05\u7406\u5de5\u4f5c\uff0c\u4ee5\u78ba\u4fdd\u7a0b\u5e8f\u7684\u6b63\u78ba\u904b\u884c\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39finally\u95dc\u9375\u5b57\u7684\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u793a\u4f8b\u4f86\u8aaa\u660e\u5982\u4f55\u4f7f\u7528\u5b83\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-2874","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-Km","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2874","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=2874"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2874\/revisions"}],"predecessor-version":[{"id":2875,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2874\/revisions\/2875"}],"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=2874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}