{"id":2861,"date":"2024-11-22T20:34:59","date_gmt":"2024-11-22T12:34:59","guid":{"rendered":"http:\/\/viplao.com\/?p=2861"},"modified":"2024-11-22T20:35:02","modified_gmt":"2024-11-22T12:35:02","slug":"python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/","title":{"rendered":"PYTHON\u57fa\u7840\u6280\u80fd \u2013\u00a0\u4f7f\u7528Python\u8fdb\u884c\u5f02\u5e38\u5904\u7406\u768411\u4e2a\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"\n<p>\u5f02\u5e38\u5904\u7406\u662f\u7f16\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u4f18\u96c5\u5730\u5904\u7406\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u5404\u79cd\u9519\u8bef\uff0c\u4ece\u800c\u907f\u514d\u7a0b\u5e8f\u5d29\u6e83\u3002Python \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u5e94\u5bf9\u4e0d\u540c\u7684\u5f02\u5e38\u60c5\u51b5\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd Python \u4e2d\u5f02\u5e38\u5904\u7406\u7684\u57fa\u672c\u6982\u5ff5\u4e0e\u9ad8\u7ea7\u7528\u6cd5\uff0c\u5305\u62ec\u5982\u4f55\u4f7f\u7528 <code>try-except<\/code> \u7ed3\u6784\u3001\u6355\u83b7\u7279\u5b9a\u5f02\u5e38\u3001\u4f7f\u7528 <code>finally<\/code> \u91ca\u653e\u8d44\u6e90\u3001\u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38\u3001\u540c\u65f6\u6355\u83b7\u591a\u79cd\u5f02\u5e38\u3001\u4f7f\u7528 <code>else<\/code> \u5757\u3001\u4f7f\u7528 <code>raise from<\/code> \u8fde\u63a5\u5f02\u5e38\u94fe\u3001\u4f7f\u7528 <code>assert<\/code> \u65ad\u8a00\u3001\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u4ee5\u53ca\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u5f02\u5e38\u7b49\u5185\u5bb9\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#1_%E7%90%86%E8%A7%A3%E5%BC%82%E5%B8%B8%E6%9C%BA%E5%88%B6\" title=\"1. \u7406\u89e3\u5f02\u5e38\u673a\u5236\">1. \u7406\u89e3\u5f02\u5e38\u673a\u5236<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#2_%E6%8D%95%E8%8E%B7%E7%89%B9%E5%AE%9A%E5%BC%82%E5%B8%B8\" title=\"2. \u6355\u83b7\u7279\u5b9a\u5f02\u5e38\">2. \u6355\u83b7\u7279\u5b9a\u5f02\u5e38<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#3_%E4%BD%BF%E7%94%A8_finally_%E9%87%8A%E6%94%BE%E8%B5%84%E6%BA%90\" title=\"3. \u4f7f\u7528 finally \u91ca\u653e\u8d44\u6e90\">3. \u4f7f\u7528 finally \u91ca\u653e\u8d44\u6e90<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#4_%E6%8A%9B%E5%87%BA%E8%87%AA%E5%AE%9A%E4%B9%89%E5%BC%82%E5%B8%B8\" title=\"4. \u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38\">4. \u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#5_%E5%A4%9A%E4%B8%AA%E5%BC%82%E5%B8%B8%E4%B8%80%E8%B5%B7%E6%8D%95%E8%8E%B7\" title=\"5. \u591a\u4e2a\u5f02\u5e38\u4e00\u8d77\u6355\u83b7\">5. \u591a\u4e2a\u5f02\u5e38\u4e00\u8d77\u6355\u83b7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#6_%E4%BD%BF%E7%94%A8_else_%E5%9D%97\" title=\"6. \u4f7f\u7528 else \u5757\">6. \u4f7f\u7528 else \u5757<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#7_%E4%BD%BF%E7%94%A8_raise_from_%E8%BF%9E%E6%8E%A5%E5%BC%82%E5%B8%B8%E9%93%BE\" title=\"7. \u4f7f\u7528 raise from \u8fde\u63a5\u5f02\u5e38\u94fe\">7. \u4f7f\u7528 raise from \u8fde\u63a5\u5f02\u5e38\u94fe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#8_%E4%BD%BF%E7%94%A8_assert_%E6%96%AD%E8%A8%80\" title=\"8. \u4f7f\u7528 assert \u65ad\u8a00\">8. \u4f7f\u7528 assert \u65ad\u8a00<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#9_%E4%BD%BF%E7%94%A8%E4%B8%8A%E4%B8%8B%E6%96%87%E7%AE%A1%E7%90%86%E5%99%A8\" title=\"9. \u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\">9. \u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#10_%E4%BD%BF%E7%94%A8%E6%97%A5%E5%BF%97%E8%AE%B0%E5%BD%95%E5%BC%82%E5%B8%B8\" title=\"10. \u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u5f02\u5e38\">10. \u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u5f02\u5e38<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#11_%E5%AE%9E%E6%88%98%E6%A1%88%E4%BE%8B%EF%BC%9A%E6%96%87%E4%BB%B6%E8%AF%BB%E5%86%99%E5%BC%82%E5%B8%B8%E5%A4%84%E7%90%86\" title=\"11. \u5b9e\u6218\u6848\u4f8b\uff1a\u6587\u4ef6\u8bfb\u5199\u5f02\u5e38\u5904\u7406\">11. \u5b9e\u6218\u6848\u4f8b\uff1a\u6587\u4ef6\u8bfb\u5199\u5f02\u5e38\u5904\u7406<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/#%E6%80%BB%E7%BB%93\" title=\"\u603b\u7ed3\">\u603b\u7ed3<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%E7%90%86%E8%A7%A3%E5%BC%82%E5%B8%B8%E6%9C%BA%E5%88%B6\"><\/span><strong>1. \u7406\u89e3\u5f02\u5e38\u673a\u5236<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5f02\u5e38\u662f\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef\u7684\u4e00\u79cd\u4fe1\u53f7\u3002Python \u4e2d\u7684\u5f02\u5e38\u5904\u7406\u673a\u5236\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4f18\u96c5\u5730\u5904\u7406\u8fd9\u4e9b\u9519\u8bef\uff0c\u907f\u514d\u7a0b\u5e8f\u5d29\u6e83\u3002\u57fa\u672c\u7684\u5f02\u5e38\u5904\u7406\u7ed3\u6784\u662f <code>try-except<\/code>\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>try:<br>&nbsp;&nbsp;&nbsp;&nbsp;<em>#&nbsp;\u5c1d\u8bd5\u6267\u884c\u53ef\u80fd\u51fa\u9519\u7684\u4ee3\u7801<\/em><br>&nbsp;&nbsp;&nbsp;&nbsp;result&nbsp;=&nbsp;10&nbsp;\/&nbsp;0<br>except&nbsp;ZeroDivisionError:<br>&nbsp;&nbsp;&nbsp;&nbsp;<em>#&nbsp;\u5904\u7406\u9664\u96f6\u9519\u8bef<\/em><br>&nbsp;&nbsp;&nbsp;&nbsp;print(\"\u4e0d\u80fd\u9664\u4ee5\u96f6\uff01\")<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4e0d\u80fd\u9664\u4ee5\u96f6\uff01<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u5f53\u5c1d\u8bd5\u6267\u884c <code>10 \/ 0<\/code> \u65f6\uff0c\u7a0b\u5e8f\u4f1a\u629b\u51fa <code>ZeroDivisionError<\/code> \u5f02\u5e38\u3002\u901a\u8fc7 <code>try-except<\/code> \u7ed3\u6784\u6355\u83b7\u5e76\u5904\u7406\u8fd9\u4e2a\u5f02\u5e38\uff0c\u907f\u514d\u4e86\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%E6%8D%95%E8%8E%B7%E7%89%B9%E5%AE%9A%E5%BC%82%E5%B8%B8\"><\/span><strong>2. \u6355\u83b7\u7279\u5b9a\u5f02\u5e38<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e0d\u8981\u7b3c\u7edf\u5730\u4f7f\u7528 <code>except:<\/code> \u6765\u6355\u83b7\u6240\u6709\u5f02\u5e38\uff0c\u800c\u5e94\u8be5\u5177\u4f53\u6307\u5b9a\u54ea\u4e9b\u5f02\u5e38\u9700\u8981\u5904\u7406\u3002\u8fd9\u6837\u53ef\u4ee5\u8ba9\u4ee3\u7801\u66f4\u5177\u9488\u5bf9\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>try:<br>&nbsp;&nbsp;&nbsp;&nbsp;num&nbsp;=&nbsp;int(input(\"\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff1a\"))<br>&nbsp;&nbsp;&nbsp;&nbsp;print(10&nbsp;\/&nbsp;num)<br>except&nbsp;ValueError:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(\"\u8f93\u5165\u7684\u4e0d\u662f\u6574\u6570\uff01\")<br>except&nbsp;ZeroDivisionError:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(\"\u4e0d\u80fd\u9664\u4ee5\u96f6\uff01\")<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u8fd9\u91cc\u5206\u522b\u5904\u7406\u4e86\u7528\u6237\u8f93\u5165\u975e\u6574\u6570\u548c\u9664\u96f6\u4e24\u79cd\u60c5\u51b5\u3002\u8fd9\u6837\u53ef\u4ee5\u660e\u786e\u5730\u77e5\u9053\u95ee\u9898\u51fa\u5728\u54ea\u91cc\uff0c\u65b9\u4fbf\u8c03\u8bd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%E4%BD%BF%E7%94%A8_finally_%E9%87%8A%E6%94%BE%E8%B5%84%E6%BA%90\"><\/span><strong>3. \u4f7f\u7528 <code>finally<\/code> \u91ca\u653e\u8d44\u6e90<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u65e0\u8bba\u662f\u5426\u53d1\u751f\u5f02\u5e38\uff0c<code>finally<\/code> \u5757\u4e2d\u7684\u4ee3\u7801\u90fd\u4f1a\u88ab\u6267\u884c\u3002\u8fd9\u901a\u5e38\u7528\u4e8e\u6e05\u7406\u6216\u91ca\u653e\u8d44\u6e90\uff0c\u5982\u5173\u95ed\u6587\u4ef6\u6216\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>try:<br>&nbsp;&nbsp;&nbsp;&nbsp;file&nbsp;=&nbsp;open(\"example.txt\",&nbsp;\"r\")<br>&nbsp;&nbsp;&nbsp;&nbsp;content&nbsp;=&nbsp;file.read()<br>except&nbsp;FileNotFoundError:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(\"\u6587\u4ef6\u4e0d\u5b58\u5728\uff01\")<br>finally:<br>&nbsp;&nbsp;&nbsp;&nbsp;file.close()&nbsp;&nbsp;<em>#&nbsp;\u5373\u4f7f\u524d\u9762\u6709\u5f02\u5e38\uff0c\u4e5f\u4f1a\u5173\u95ed\u6587\u4ef6<\/em><\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u5373\u4f7f\u5728\u6253\u5f00\u6587\u4ef6\u65f6\u9047\u5230 <code>FileNotFoundError<\/code>\uff0c<code>finally<\/code> \u5757\u4e2d\u7684 <code>file.close()<\/code> \u4e5f\u4f1a\u88ab\u6267\u884c\uff0c\u786e\u4fdd\u6587\u4ef6\u88ab\u6b63\u786e\u5173\u95ed\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%E6%8A%9B%E5%87%BA%E8%87%AA%E5%AE%9A%E4%B9%89%E5%BC%82%E5%B8%B8\"><\/span><strong>4. \u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u9884\u5b9a\u4e49\u7684\u5f02\u5e38\u7c7b\u578b\u53ef\u80fd\u4e0d\u8db3\u4ee5\u63cf\u8ff0\u4f60\u7684\u9700\u6c42\u3002\u8fd9\u65f6\u53ef\u4ee5\u81ea\u5b9a\u4e49\u5f02\u5e38\u7c7b\uff0c\u4f7f\u5f02\u5e38\u4fe1\u606f\u66f4\u52a0\u660e\u786e\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class&nbsp;MyCustomException(Exception):<br>&nbsp;&nbsp;&nbsp;&nbsp;pass<br><br>def&nbsp;check_age(age):<br>&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;age&nbsp;&lt;&nbsp;0:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;raise&nbsp;MyCustomException(\"\u5e74\u9f84\u4e0d\u80fd\u4e3a\u8d1f\u6570\uff01\")<br><br>try:<br>&nbsp;&nbsp;&nbsp;&nbsp;age&nbsp;=&nbsp;-5<br>&nbsp;&nbsp;&nbsp;&nbsp;check_age(age)<br>except&nbsp;MyCustomException&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(e)<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u81ea\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5f02\u5e38 <code>MyCustomException<\/code>\uff0c\u5e76\u5728\u5e74\u9f84\u5c0f\u4e8e\u96f6\u65f6\u629b\u51fa\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u4f7f\u5f02\u5e38\u4fe1\u606f\u66f4\u52a0\u6e05\u6670\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_%E5%A4%9A%E4%B8%AA%E5%BC%82%E5%B8%B8%E4%B8%80%E8%B5%B7%E6%8D%95%E8%8E%B7\"><\/span><strong>5. \u591a\u4e2a\u5f02\u5e38\u4e00\u8d77\u6355\u83b7<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6709\u65f6\u6211\u4eec\u9700\u8981\u540c\u65f6\u5904\u7406\u51e0\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u5f02\u5e38\u3002\u53ef\u4ee5\u5c06\u591a\u4e2a\u5f02\u5e38\u7c7b\u578b\u653e\u5728\u4e00\u4e2a\u5143\u7ec4\u4e2d\uff0c\u4e00\u8d77\u6355\u83b7\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>try:<br>&nbsp;&nbsp;&nbsp;&nbsp;age&nbsp;=&nbsp;input(\"\u8bf7\u8f93\u5165\u5e74\u9f84\uff1a\")<br>&nbsp;&nbsp;&nbsp;&nbsp;age&nbsp;=&nbsp;int(age)<br>&nbsp;&nbsp;&nbsp;&nbsp;print(10&nbsp;\/&nbsp;age)<br>except&nbsp;(ValueError,&nbsp;ZeroDivisionError)&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(f\"\u53d1\u751f\u9519\u8bef\uff1a{e}\")<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u8fd9\u91cc\u6355\u83b7\u4e86 <code>ValueError<\/code> \u548c <code>ZeroDivisionError<\/code> \u4e24\u79cd\u5f02\u5e38\u3002\u5f53\u8f93\u5165\u4e0d\u662f\u6574\u6570\u6216\u9664\u6570\u4e3a\u96f6\u65f6\uff0c\u90fd\u80fd\u6b63\u786e\u5904\u7406\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_%E4%BD%BF%E7%94%A8_else_%E5%9D%97\"><\/span><strong>6. \u4f7f\u7528 <code>else<\/code> \u5757<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5982\u679c <code>try<\/code> \u5757\u4e2d\u7684\u4ee3\u7801\u6ca1\u6709\u629b\u51fa\u4efb\u4f55\u5f02\u5e38\uff0c\u5219\u53ef\u4ee5\u6267\u884c <code>else<\/code> \u5757\u4e2d\u7684\u4ee3\u7801\u3002\u8fd9\u901a\u5e38\u7528\u4e8e\u5904\u7406\u6b63\u5e38\u60c5\u51b5\u4e0b\u7684\u903b\u8f91\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>try:<br>&nbsp;&nbsp;&nbsp;&nbsp;age&nbsp;=&nbsp;int(input(\"\u8bf7\u8f93\u5165\u5e74\u9f84\uff1a\"))<br>&nbsp;&nbsp;&nbsp;&nbsp;print(10&nbsp;\/&nbsp;age)<br>except&nbsp;(ValueError,&nbsp;ZeroDivisionError)&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(f\"\u53d1\u751f\u9519\u8bef\uff1a{e}\")<br>else:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(\"\u4e00\u5207\u6b63\u5e38\uff01\")<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u5982\u679c\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\uff0c\u5c31\u4f1a\u6267\u884c <code>else<\/code> \u5757\u4e2d\u7684\u4ee3\u7801\u3002\u8fd9\u91cc\u7528\u6765\u6253\u5370\u4e00\u6761\u6210\u529f\u6d88\u606f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_%E4%BD%BF%E7%94%A8_raise_from_%E8%BF%9E%E6%8E%A5%E5%BC%82%E5%B8%B8%E9%93%BE\"><\/span><strong>7. \u4f7f\u7528 <code>raise from<\/code> \u8fde\u63a5\u5f02\u5e38\u94fe<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u5904\u7406\u5f02\u5e38\u65f6\uff0c\u6709\u65f6\u5019\u9700\u8981\u629b\u51fa\u4e00\u4e2a\u65b0\u7684\u5f02\u5e38\uff0c\u5e76\u4fdd\u7559\u539f\u59cb\u5f02\u5e38\u7684\u4fe1\u606f\u3002Python 3 \u63d0\u4f9b\u4e86 <code>raise from<\/code> \u8bed\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u5e2e\u52a9\u66f4\u597d\u5730\u8ffd\u8e2a\u5f02\u5e38\u6e90\u5934\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def&nbsp;read_file(filename):<br>&nbsp;&nbsp;&nbsp;&nbsp;try:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;with&nbsp;open(filename,&nbsp;\"r\")&nbsp;as&nbsp;file:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;file.read()<br>&nbsp;&nbsp;&nbsp;&nbsp;except&nbsp;FileNotFoundError&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;raise&nbsp;ValueError(\"\u6587\u4ef6\u4e0d\u5b58\u5728\uff01\")&nbsp;from&nbsp;e<br><br>try:<br>&nbsp;&nbsp;&nbsp;&nbsp;content&nbsp;=&nbsp;read_file(\"nonexistent.txt\")<br>&nbsp;&nbsp;&nbsp;&nbsp;print(content)<br>except&nbsp;ValueError&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(f\"\u53d1\u751f\u9519\u8bef\uff1a{e}\")<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u5728 <code>read_file<\/code> \u51fd\u6570\u4e2d\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u4f1a\u629b\u51fa\u4e00\u4e2a <code>FileNotFoundError<\/code>\uff0c\u7136\u540e\u5728\u8fd9\u4e2a\u57fa\u7840\u4e0a\u629b\u51fa\u4e00\u4e2a\u65b0\u7684 <code>ValueError<\/code>\u3002\u901a\u8fc7 <code>raise from<\/code> \u53ef\u4ee5\u4fdd\u7559\u539f\u59cb\u5f02\u5e38\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u53d1\u751f\u9519\u8bef\uff1a\u6587\u4ef6\u4e0d\u5b58\u5728\uff01<\/code><\/pre>\n\n\n\n<p><strong>\u5b8c\u6574\u5f02\u5e38\u4fe1\u606f\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ValueError:&nbsp;\u6587\u4ef6\u4e0d\u5b58\u5728!<br>&nbsp;&nbsp;from&nbsp;FileNotFoundError:&nbsp;&#91;Errno&nbsp;2]&nbsp;No&nbsp;such&nbsp;file&nbsp;or&nbsp;directory:&nbsp;'nonexistent.txt'<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_%E4%BD%BF%E7%94%A8_assert_%E6%96%AD%E8%A8%80\"><\/span><strong>8. \u4f7f\u7528 <code>assert<\/code> \u65ad\u8a00<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><code>assert<\/code> \u8bed\u53e5\u53ef\u4ee5\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u68c0\u67e5\u6761\u4ef6\u662f\u5426\u4e3a\u771f\u3002\u5982\u679c\u6761\u4ef6\u4e0d\u6ee1\u8db3\uff0c\u5219\u629b\u51fa <code>AssertionError<\/code>\u3002\u8fd9\u5bf9\u4e8e\u8c03\u8bd5\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def&nbsp;calculate_average(numbers):<br>&nbsp;&nbsp;&nbsp;&nbsp;assert&nbsp;len(numbers)&nbsp;&gt;&nbsp;0,&nbsp;\"\u5217\u8868\u4e0d\u80fd\u4e3a\u7a7a\"<br>&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;sum(numbers)&nbsp;\/&nbsp;len(numbers)<br><br>try:<br>&nbsp;&nbsp;&nbsp;&nbsp;avg&nbsp;=&nbsp;calculate_average(&#91;])<br>&nbsp;&nbsp;&nbsp;&nbsp;print(avg)<br>except&nbsp;AssertionError&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;print(f\"\u65ad\u8a00\u5931\u8d25\uff1a{e}\")<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u5728 <code>calculate_average<\/code> \u51fd\u6570\u4e2d\uff0c\u4f7f\u7528 <code>assert<\/code> \u68c0\u67e5\u5217\u8868\u662f\u5426\u4e3a\u7a7a\u3002\u5982\u679c\u4e0d\u4e3a\u7a7a\uff0c\u5219\u8ba1\u7b97\u5e73\u5747\u503c\uff1b\u5426\u5219\u629b\u51fa <code>AssertionError<\/code>\u3002<\/p>\n\n\n\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u65ad\u8a00\u5931\u8d25\uff1a\u5217\u8868\u4e0d\u80fd\u4e3a\u7a7a<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_%E4%BD%BF%E7%94%A8%E4%B8%8A%E4%B8%8B%E6%96%87%E7%AE%A1%E7%90%86%E5%99%A8\"><\/span><strong>9. \u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Python \u7684\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff08\u901a\u8fc7 <code>with<\/code> \u8bed\u53e5\uff09\u53ef\u4ee5\u81ea\u52a8\u5904\u7406\u4e00\u4e9b\u5e38\u89c1\u7684\u8d44\u6e90\u7ba1\u7406\u4efb\u52a1\uff0c\u5982\u6587\u4ef6\u64cd\u4f5c\u3002\u8fd9\u53ef\u4ee5\u7b80\u5316\u5f02\u5e38\u5904\u7406\u4ee3\u7801\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>with&nbsp;open(\"example.txt\",&nbsp;\"r\")&nbsp;as&nbsp;file:<br>&nbsp;&nbsp;&nbsp;&nbsp;try:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;content&nbsp;=&nbsp;file.read()<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;print(content)<br>&nbsp;&nbsp;&nbsp;&nbsp;except&nbsp;Exception&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;print(f\"\u8bfb\u53d6\u6587\u4ef6\u65f6\u53d1\u751f\u9519\u8bef\uff1a{e}\")<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u4f7f\u7528 <code>with<\/code> \u8bed\u53e5\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u5728 <code>try<\/code> \u5757\u4e2d\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u5373\u4f7f\u5728\u8bfb\u53d6\u8fc7\u7a0b\u4e2d\u53d1\u751f\u5f02\u5e38\uff0c\u6587\u4ef6\u4e5f\u4f1a\u81ea\u52a8\u5173\u95ed\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_%E4%BD%BF%E7%94%A8%E6%97%A5%E5%BF%97%E8%AE%B0%E5%BD%95%E5%BC%82%E5%B8%B8\"><\/span><strong>10. \u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u5f02\u5e38<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u7b80\u5355\u7684\u9519\u8bef\u63d0\u793a\u53ef\u80fd\u4e0d\u591f\u3002\u4f7f\u7528\u65e5\u5fd7\u5e93\uff08\u5982 <code>logging<\/code>\uff09\u53ef\u4ee5\u8bb0\u5f55\u8be6\u7ec6\u7684\u5f02\u5e38\u4fe1\u606f\uff0c\u4fbf\u4e8e\u540e\u7eed\u5206\u6790\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import&nbsp;logging<br><br>logging.basicConfig(level=logging.ERROR)<br><br>def&nbsp;divide(a,&nbsp;b):<br>&nbsp;&nbsp;&nbsp;&nbsp;try:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;a&nbsp;\/&nbsp;b<br>&nbsp;&nbsp;&nbsp;&nbsp;except&nbsp;ZeroDivisionError&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logging.error(f\"\u9664\u96f6\u9519\u8bef\uff1a{e}\")<br><br>result&nbsp;=&nbsp;divide(10,&nbsp;0)<br>print(result)<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u4f7f\u7528 <code>logging<\/code> \u5e93\u8bb0\u5f55\u5f02\u5e38\u4fe1\u606f\u3002\u5f53\u53d1\u751f\u9664\u96f6\u9519\u8bef\u65f6\uff0c\u4f1a\u8bb0\u5f55\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f\u5230\u65e5\u5fd7\u6587\u4ef6\u6216\u63a7\u5236\u53f0\u3002<\/p>\n\n\n\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ERROR:root:\u9664\u96f6\u9519\u8bef\uff1adivision by zero<br>None<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_%E5%AE%9E%E6%88%98%E6%A1%88%E4%BE%8B%EF%BC%9A%E6%96%87%E4%BB%B6%E8%AF%BB%E5%86%99%E5%BC%82%E5%B8%B8%E5%A4%84%E7%90%86\"><\/span><strong>11. \u5b9e\u6218\u6848\u4f8b\uff1a\u6587\u4ef6\u8bfb\u5199\u5f02\u5e38\u5904\u7406<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5047\u8bbe\u6211\u4eec\u8981\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u4ece\u4e00\u4e2a\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5199\u5165\u53e6\u4e00\u4e2a\u6587\u4ef6\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u5f02\u5e38\uff0c\u5982\u6587\u4ef6\u4e0d\u5b58\u5728\u3001\u6743\u9650\u95ee\u9898\u7b49\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import&nbsp;logging<br><br>logging.basicConfig(level=logging.ERROR)<br><br>def&nbsp;read_and_write_files(input_file,&nbsp;output_file):<br>&nbsp;&nbsp;&nbsp;&nbsp;try:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;with&nbsp;open(input_file,&nbsp;\"r\")&nbsp;as&nbsp;in_file,&nbsp;open(output_file,&nbsp;\"w\")&nbsp;as&nbsp;out_file:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;content&nbsp;=&nbsp;in_file.read()<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;out_file.write(content)<br>&nbsp;&nbsp;&nbsp;&nbsp;except&nbsp;FileNotFoundError&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logging.error(f\"\u6587\u4ef6\u4e0d\u5b58\u5728\uff1a{e}\")<br>&nbsp;&nbsp;&nbsp;&nbsp;except&nbsp;PermissionError&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logging.error(f\"\u6743\u9650\u9519\u8bef\uff1a{e}\")<br>&nbsp;&nbsp;&nbsp;&nbsp;except&nbsp;Exception&nbsp;as&nbsp;e:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logging.error(f\"\u672a\u77e5\u9519\u8bef\uff1a{e}\")<br><br><em>#&nbsp;\u6d4b\u8bd5\u4ee3\u7801<\/em><br>read_and_write_files(\"input.txt\",&nbsp;\"output.txt\")<\/code><\/pre>\n\n\n\n<p><strong>\u89e3\u91ca\uff1a<\/strong>\u8fd9\u6bb5\u4ee3\u7801\u5b9e\u73b0\u4e86\u4ece <code>input.txt<\/code> \u6587\u4ef6\u8bfb\u53d6\u5185\u5bb9\uff0c\u5e76\u5199\u5165 <code>output.txt<\/code> \u6587\u4ef6\u7684\u529f\u80fd\u3002\u901a\u8fc7 <code>with<\/code> \u8bed\u53e5\u786e\u4fdd\u6587\u4ef6\u5728\u64cd\u4f5c\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\uff0c\u5e76\u901a\u8fc7 <code>try-except<\/code> \u7ed3\u6784\u6355\u83b7\u5e76\u8bb0\u5f55\u5404\u79cd\u5f02\u5e38\u4fe1\u606f\u3002<\/p>\n\n\n\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ERROR:root:\u6587\u4ef6\u4e0d\u5b58\u5728\uff1a&#91;Errno 2] No such file or directory:&nbsp;'input.txt'<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93\"><\/span><strong>\u603b\u7ed3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86 Python \u4e2d\u5f02\u5e38\u5904\u7406\u7684\u57fa\u672c\u6982\u5ff5\u548c\u9ad8\u7ea7\u7528\u6cd5\uff0c\u5305\u62ec <code>try-except<\/code> \u7ed3\u6784\u3001\u6355\u83b7\u7279\u5b9a\u5f02\u5e38\u3001\u4f7f\u7528 <code>finally<\/code> \u91ca\u653e\u8d44\u6e90\u3001\u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38\u3001\u540c\u65f6\u6355\u83b7\u591a\u79cd\u5f02\u5e38\u3001\u4f7f\u7528 <code>else<\/code> \u5757\u3001\u4f7f\u7528 <code>raise from<\/code> \u8fde\u63a5\u5f02\u5e38\u94fe\u3001\u4f7f\u7528 <code>assert<\/code> \u65ad\u8a00\u3001\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u4ee5\u53ca\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u5f02\u5e38\u7b49\u5185\u5bb9\u3002\u901a\u8fc7\u8fd9\u4e9b\u6280\u672f\u7684\u5e94\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5904\u7406\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u5404\u79cd\u9519\u8bef\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f02\u5e38\u5904\u7406\u662f\u7f16\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u4f18\u96c5\u5730\u5904\u7406\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u5404\u79cd\u9519\u8bef\uff0c\u4ece\u800c\u907f&hellip; <a href=\"http:\/\/viplao.com\/index.php\/2024\/11\/22\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e4%bd%bf%e7%94%a8python%e8%bf%9b%e8%a1%8c%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%8411%e4%b8%aa%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5\/\" class=\"more-link read-more\" rel=\"bookmark\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">PYTHON\u57fa\u7840\u6280\u80fd \u2013\u00a0\u4f7f\u7528Python\u8fdb\u884c\u5f02\u5e38\u5904\u7406\u768411\u4e2a\u6700\u4f73\u5b9e\u8df5<\/span><i class=\"fa fa-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[28],"views":1013,"_links":{"self":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/2861"}],"collection":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/comments?post=2861"}],"version-history":[{"count":1,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/2861\/revisions"}],"predecessor-version":[{"id":2862,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/posts\/2861\/revisions\/2862"}],"wp:attachment":[{"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/media?parent=2861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/categories?post=2861"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/viplao.com\/index.php\/wp-json\/wp\/v2\/tags?post=2861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}