{"id":66276,"date":"2023-12-18T23:38:33","date_gmt":"2023-12-18T15:38:33","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=66276"},"modified":"2023-12-18T23:38:45","modified_gmt":"2023-12-18T15:38:45","slug":"python%e4%b8%adtryexceptelse%e7%bb%93%e6%9e%84%e4%b8%adelse%e7%9a%84%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/66276.html","title":{"rendered":"Python\u4e2dtry\u2026except\u2026else\u2026\u7ed3\u6784\u4e2delse\u7684\u4f5c\u7528\u662f\u4ec0\u4e48"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>Python\u4e2d<code>try...except...else...<\/code>\u7ed3\u6784\u4e2d<code>else<\/code>\u7684\u4f5c\u7528\uff1a1. \u5728\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\u65f6\u6267\u884c\u7684\u4ee3\u7801\u5757\uff1b2. \u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1b3. \u533a\u5206\u5f02\u5e38\u5904\u7406\u548c\u6b63\u5e38\u6267\u884c\u903b\u8f91\uff1b4. \u907f\u514d\u8fc7\u5ea6\u4f7f\u7528<code>try<\/code>\u5757\uff1b5. \u7b80\u5316\u5f02\u5e38\u5904\u7406\u6d41\u7a0b\uff1b6. \u6539\u5584\u4ee3\u7801\u7ed3\u6784\u3002<code>try...except...else...<\/code>\u7ed3\u6784\u4e2d\u7684<code>else<\/code>\u5757\u5305\u542b\u7684\u4ee3\u7801\u53ea\u6709\u5728<code>try<\/code>\u5757\u4e2d\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\u65f6\u624d\u4f1a\u6267\u884c\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u5728\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\u65f6\u6267\u884c\u7684\u4ee3\u7801\u5757<\/h2>\n\n\n\n<p><code>try...except...else...<\/code>\u7ed3\u6784\u4e2d\u7684<code>else<\/code>\u5757\u5305\u542b\u7684\u4ee3\u7801\u53ea\u6709\u5728<code>try<\/code>\u5757\u4e2d\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\u65f6\u624d\u4f1a\u6267\u884c\u3002\u8fd9\u4f7f\u5f97\u7a0b\u5e8f\u5458\u80fd\u591f\u5c06\u90a3\u4e9b\u5c5e\u4e8e\u6b63\u5e38\u6267\u884c\u6d41\u7a0b\u7684\u903b\u8f91\u653e\u5728<code>else<\/code>\u5757\u4e2d\uff0c\u786e\u4fdd\u8fd9\u90e8\u5206\u4ee3\u7801\u53ea\u6709\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\u4e0d\u6267\u884c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027<\/h2>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528<code>else<\/code>\u5757\uff0c\u4ee3\u7801\u7684\u7ed3\u6784\u66f4\u6e05\u6670\uff0c\u903b\u8f91\u66f4\u6613\u4e8e\u7406\u89e3\u3002\u5f02\u5e38\u5904\u7406\u7684\u4ee3\u7801\u548c\u6b63\u5e38\u6267\u884c\u7684\u4ee3\u7801\u88ab\u660e\u786e\u5730\u5206\u79bb\u5f00\u6765\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u8bfb\u8005\u65e0\u9700\u6df1\u5165<code>except<\/code>\u5757\u4e2d\u5bfb\u627e\u6b63\u5e38\u6267\u884c\u7684\u903b\u8f91\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u7406\u89e3\u4ee3\u7801\u7684\u610f\u56fe\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u533a\u5206\u5f02\u5e38\u5904\u7406\u548c\u6b63\u5e38\u6267\u884c\u903b\u8f91<\/h2>\n\n\n\n<p><code>else<\/code>\u5757\u5728\u7ed3\u6784\u4e0a\u6e05\u6670\u5730\u5c06\u5f02\u5e38\u5904\u7406\u548c\u6b63\u5e38\u6267\u884c\u903b\u8f91\u533a\u5206\u5f00\u3002<code>except<\/code>\u5757\u4e2d\u5305\u542b\u5904\u7406\u5f02\u5e38\u7684\u4ee3\u7801\uff0c\u800c<code>else<\/code>\u5757\u4e2d\u5305\u542b\u5728\u6ca1\u6709\u5f02\u5e38\u65f6\u5e94\u5f53\u6267\u884c\u7684\u4ee3\u7801\u3002\u8fd9\u79cd\u533a\u5206\u6709\u52a9\u4e8e\u4ee3\u7801\u7684\u7ec4\u7ec7\u548c\u7ef4\u62a4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u907f\u514d\u8fc7\u5ea6\u4f7f\u7528<code>try<\/code>\u5757<\/h2>\n\n\n\n<p>\u8fc7\u5ea6\u4f7f\u7528<code>try<\/code>\u5757\u53ef\u80fd\u5bfc\u81f4\u4ee3\u7801\u4e0d\u591f\u6e05\u6670\uff0c\u964d\u4f4e\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002\u5c06\u6b63\u5e38\u6267\u884c\u7684\u903b\u8f91\u653e\u5728<code>else<\/code>\u5757\u4e2d\u6709\u52a9\u4e8e\u907f\u514d\u8fc7\u5ea6\u5305\u88f9\u6574\u4e2a\u4ee3\u7801\u5757\uff0c\u4f7f\u5f97\u5f02\u5e38\u5904\u7406\u66f4\u4e3a\u7cbe\u7ec6\uff0c\u53ea\u5173\u6ce8\u771f\u6b63\u53ef\u80fd\u53d1\u751f\u5f02\u5e38\u7684\u90e8\u5206\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u7b80\u5316\u5f02\u5e38\u5904\u7406\u6d41\u7a0b<\/h2>\n\n\n\n<p><code>else<\/code>\u5757\u7b80\u5316\u4e86\u5f02\u5e38\u5904\u7406\u6d41\u7a0b\u3002\u5982\u679c\u5728<code>try<\/code>\u5757\u4e2d\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\uff0c\u7a0b\u5e8f\u4f1a\u76f4\u63a5\u8df3\u8fc7<code>except<\/code>\u5757\uff0c\u6267\u884c<code>else<\/code>\u5757\u4e2d\u7684\u4ee3\u7801\u3002\u8fd9\u907f\u514d\u4e86\u5728\u6bcf\u4e2a\u5f02\u5e38\u5904\u7406\u540e\u90fd\u6267\u884c\u76f8\u540c\u7684\u4ee3\u7801\u7684\u5197\u4f59\u6027\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u4e3a\u7b80\u6d01\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u6539\u5584\u4ee3\u7801\u7ed3\u6784<\/h2>\n\n\n\n<p><code>else<\/code>\u5757\u7684\u5b58\u5728\u53ef\u4ee5\u6539\u5584\u4ee3\u7801\u7684\u7ed3\u6784\u3002\u5c06\u6b63\u5e38\u6267\u884c\u7684\u903b\u8f91\u4e0e\u5f02\u5e38\u5904\u7406\u5206\u79bb\uff0c\u4f7f\u5f97\u4ee3\u7801\u5757\u66f4\u52a0\u6e05\u6670\u3001\u6a21\u5757\u5316\uff0c\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u8d28\u91cf\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u8fd9\u6837\u7684\u7ed3\u6784\u4f7f\u5f97\u672a\u6765\u7684\u4fee\u6539\u548c\u7ef4\u62a4\u66f4\u52a0\u5bb9\u6613\uff0c\u63d0\u5347\u4e86\u4ee3\u7801\u7684\u6574\u4f53\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n\n\n\n<p><img fetchpriority=\"high\" decoding=\"async\" width=\"484\" height=\"300\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/12\/117417-Python\u4e2dtryexceptelse\u7ed3\u6784\u4e2delse\u7684\u4f5c\u7528\u662f\u4ec0\u4e48.png?x-oss-process=image\/auto-orient,1\/format,webp\" class=\"aligncenter\" alt=\"Python\u4e2dtry\u2026except\u2026else\u2026\u7ed3\u6784\u4e2delse\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\" \/><\/p>\n\n\n\n<p><strong>\u5e38\u89c1\u95ee\u7b54\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li>\u95ee\uff1atry\u2026except\u2026else\u2026\u7ed3\u6784\u662f\u4ec0\u4e48\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1atry\u2026except\u2026else\u2026\u7ed3\u6784\u662fPython\u4e2d\u7528\u4e8e\u5904\u7406\u5f02\u5e38\u7684\u4e00\u79cd\u8bed\u6cd5\u7ed3\u6784\u3002\u5728try\u5757\u4e2d\u653e\u7f6e\u53ef\u80fd\u5f15\u53d1\u5f02\u5e38\u7684\u4ee3\u7801\uff0c\u5982\u679ctry\u5757\u4e2d\u7684\u4ee3\u7801\u6267\u884c\u65f6\u53d1\u751f\u5f02\u5e38\uff0c\u5219\u4f1a\u8df3\u8f6c\u5230\u76f8\u5e94\u7684except\u5757\u8fdb\u884c\u5904\u7406\uff1b\u5982\u679ctry\u5757\u4e2d\u7684\u4ee3\u7801\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\uff0c\u90a3\u4e48\u5c06\u6267\u884celse\u5757\u4e2d\u7684\u4ee3\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u95ee\uff1a\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528try\u2026except\u2026else\u2026\u7ed3\u6784\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1atry\u2026except\u2026else\u2026\u7ed3\u6784\u7684\u76ee\u7684\u662f\u63d0\u4f9b\u4e00\u79cd\u5728\u4ee3\u7801\u53ef\u80fd\u5f15\u53d1\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b\uff0c\u80fd\u591f\u8fdb\u884c\u5f02\u5e38\u5904\u7406\u5e76\u6267\u884c\u989d\u5916\u4ee3\u7801\u7684\u673a\u5236\u3002\u4f7f\u7528\u8be5\u7ed3\u6784\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u7a0b\u5e8f\u56e0\u5f02\u5e38\u800c\u5d29\u6e83\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u5bb9\u9519\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u95ee\uff1aelse\u5757\u4f55\u65f6\u6267\u884c\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1aelse\u5757\u5728try\u5757\u4e2d\u7684\u4ee3\u7801\u6267\u884c\u5b8c\u6bd5\u4e14\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\u65f6\u6267\u884c\u3002\u5982\u679ctry\u5757\u4e2d\u7684\u4ee3\u7801\u5f15\u53d1\u4e86\u5f02\u5e38\uff0c\u7a0b\u5e8f\u5c06\u8df3\u8f6c\u5230\u5bf9\u5e94\u7684except\u5757\uff0c\u800c\u4e0d\u4f1a\u6267\u884celse\u5757\u4e2d\u7684\u4ee3\u7801\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Python\u4e2dtry&#8230;except&#8230;else&#8230;\u7ed3\u6784\u4e2delse\u7684\u4f5c\u7528\uff1a1. \u5728\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\u65f6\u6267\u884c\u7684\u4ee3 [&hellip;]","protected":false},"author":4,"featured_media":66279,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/66276"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=66276"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/66276\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/66279"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=66276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=66276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=66276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}