{"id":206696,"date":"2025-06-12T15:16:06","date_gmt":"2025-06-12T07:16:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206696\/"},"modified":"2025-06-12T15:16:06","modified_gmt":"2025-06-12T07:16:06","slug":"go%e8%af%ad%e8%a8%80%e4%b8%ad-errorgroup-%e5%a6%82%e4%bd%95%e6%8d%95%e8%8e%b7%e5%ad%90%e5%8d%8f%e7%a8%8b%e7%9a%84-panic%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206696\/","title":{"rendered":"Go\u8bed\u8a00\u4e2d errorgroup \u5982\u4f55\u6355\u83b7\u5b50\u534f\u7a0b\u7684 panic\uff1f"},"content":{"rendered":"<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662fGOLANG\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aGo\u8bed\u8a00\u4e2d errorgroup \u5982\u4f55\u6355\u83b7\u5b50\u534f\u7a0b\u7684 panic\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241119\/1732013504673c6dc0413cb.jpg\" class=\"aligncenter\">,<br \/>\n<strong>go\u8bed\u8a00\u4e2derrorgroup\u4e2d\u5b50\u534f\u7a0b\u53d1\u751fpanic\u901a\u77e5\u4e3b\u534f\u7a0b<\/strong>,\u5728\u4f7f\u7528errorgroup\u6765\u5e76\u53d1\u6267\u884c\u591a\u4e2a\u5b50\u534f\u7a0b\u65f6\uff0c\u4e3b\u534f\u7a0b\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528err := errorgroup.wait()\u6765\u6355\u83b7\u5b50\u534f\u7a0b\u8fd4\u56de\u7684error\u3002\u7136\u800c\uff0c\u5f53\u5b50\u534f\u7a0b\u4e2d\u53d1\u751fpanic\u65f6\uff0c\u60c5\u51b5\u53d8\u5f97\u590d\u6742\u3002,\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b50\u534f\u7a0b\u4e2d\u7684panic\u4f1a\u5bfc\u81f4\u6574\u4e2a\u7a0b\u5e8f\u7ec8\u6b62\uff0c\u800cerrorgroup\u65e0\u6cd5\u6355\u6349\u5230panic\u4fe1\u606f\u3002\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u9700\u8981\u5728\u5b50\u534f\u7a0b\u4e2d\u4f7f\u7528defer\u548crecover\u673a\u5236\u6765\u6355\u83b7panic\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aerror\u3002,\u5177\u4f53\u505a\u6cd5\u662f\u5728\u5b50\u534f\u7a0b\u4e2d\uff0c\u4f7f\u7528defer\u5305\u88f9\u4f4f\u6574\u4e2a\u51fd\u6570\u4f53\uff0c\u7136\u540e\u5728defer\u4e2d\u4f7f\u7528recover\u6355\u83b7panic\u3002\u5982\u679c\u6355\u83b7\u5230panic\uff0c\u53ef\u4ee5\u4f7f\u7528recover\u8fd4\u56de\u7684\u503c\u521b\u5efa\u5e76\u8fd4\u56de\u4e00\u4e2aerror\uff0c\u4ee5\u4fbf\u4e3b\u534f\u7a0b\u5728\u8c03\u7528errorgroup.wait()\u65f6\u80fd\u591f\u6355\u83b7\u5230\u8fd9\u4e2aerror\u3002,\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4fee\u6539\u5b50\u534f\u7a0b\u6765\u5904\u7406panic\uff1a,\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5f53\u5b50\u534f\u7a0b\u53d1\u751fpanic\u65f6\uff0c\u4e3b\u534f\u7a0b\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528errorgroup.wait()\u6765\u6355\u83b7\u5230panic\u4fe1\u606f\uff0c\u4ece\u800c\u907f\u514d\u7a0b\u5e8f\u610f\u5916\u7ec8\u6b62\u3002,\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~,go\u8bed\u8a00\u4e2derrorgroup\u4e2d\u5b50\u534f\u7a0b\u53d1\u751fpanic\u901a\u77e5\u4e3b\u534f\u7a0b,\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662fGOLANG\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aGo\u8bed\u8a00\u4e2d errorgroup \u5982\u4f55\u6355\u83b7\u5b50\u534f\u7a0b\u7684 panic\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go\u8bed\u8a00\u4e2d errorgroup \u5982\u4f55\u6355\u83b7\u5b50\u534f\u7a0b\u7684 panic\uff1f<\/span><\/p>\n<h1>Go\u8bed\u8a00\u4e2d errorgroup \u5982\u4f55\u6355\u83b7\u5b50\u534f\u7a0b\u7684 panic\uff1f<\/h1>\n<p><span>2024-11-19 18:51:59<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662fGOLANG\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aGo\u8bed\u8a00\u4e2d errorgroup \u5982\u4f55\u6355\u83b7\u5b50\u534f\u7a0b\u7684 panic\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241119\/1732013504673c6dc0413cb.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go\u8bed\u8a00\u4e2derrorgroup\u4e2d\u5b50\u534f\u7a0b\u53d1\u751fpanic\u901a\u77e5\u4e3b\u534f\u7a0b<\/strong><\/p>\n<p>\u5728\u4f7f\u7528errorgroup\u6765\u5e76\u53d1\u6267\u884c\u591a\u4e2a\u5b50\u534f\u7a0b\u65f6\uff0c\u4e3b\u534f\u7a0b\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528err := errorgroup.wait()\u6765\u6355\u83b7\u5b50\u534f\u7a0b\u8fd4\u56de\u7684error\u3002\u7136\u800c\uff0c\u5f53\u5b50\u534f\u7a0b\u4e2d\u53d1\u751fpanic\u65f6\uff0c\u60c5\u51b5\u53d8\u5f97\u590d\u6742\u3002<\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b50\u534f\u7a0b\u4e2d\u7684panic\u4f1a\u5bfc\u81f4\u6574\u4e2a\u7a0b\u5e8f\u7ec8\u6b62\uff0c\u800cerrorgroup\u65e0\u6cd5\u6355\u6349\u5230panic\u4fe1\u606f\u3002\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u9700\u8981\u5728\u5b50\u534f\u7a0b\u4e2d\u4f7f\u7528defer\u548crecover\u673a\u5236\u6765\u6355\u83b7panic\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aerror\u3002<\/p>\n<p>\u5177\u4f53\u505a\u6cd5\u662f\u5728\u5b50\u534f\u7a0b\u4e2d\uff0c\u4f7f\u7528defer\u5305\u88f9\u4f4f\u6574\u4e2a\u51fd\u6570\u4f53\uff0c\u7136\u540e\u5728defer\u4e2d\u4f7f\u7528recover\u6355\u83b7panic\u3002\u5982\u679c\u6355\u83b7\u5230panic\uff0c\u53ef\u4ee5\u4f7f\u7528recover\u8fd4\u56de\u7684\u503c\u521b\u5efa\u5e76\u8fd4\u56de\u4e00\u4e2aerror\uff0c\u4ee5\u4fbf\u4e3b\u534f\u7a0b\u5728\u8c03\u7528errorgroup.wait()\u65f6\u80fd\u591f\u6355\u83b7\u5230\u8fd9\u4e2aerror\u3002<\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4fee\u6539\u5b50\u534f\u7a0b\u6765\u5904\u7406panic\uff1a<\/p>\n<pre>func test(num int) (err error) {\n    defer func() {\n        if x := recover(); x != nil {\n            err = errors.New(fmt.Sprintf(\"test defer: %s\", x))\n        }\n    }()\n\n    if num == 1 {\n        panic(\"test panic\")\n    }\n    return\n}<\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5f53\u5b50\u534f\u7a0b\u53d1\u751fpanic\u65f6\uff0c\u4e3b\u534f\u7a0b\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528errorgroup.wait()\u6765\u6355\u83b7\u5230panic\u4fe1\u606f\uff0c\u4ece\u800c\u907f\u514d\u7a0b\u5e8f\u610f\u5916\u7ec8\u6b62\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5c06DVD\u5149\u76d8\u5185\u5bb9\u590d\u5236\u5230U\u76d8\u4e0a\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Python Flet\u5f02\u6b65\u8ba2\u9605\u5e7f\u64ad\uff1a\u4e3a\u4ec0\u4e48\u53ea\u80fd\u6536\u5230\u81ea\u5df1\u53d1\u9001\u7684\u6d88\u606f\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684&#46;&#46;&#46;<\/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-206696","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206696","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=206696"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206696\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}