{"id":206032,"date":"2025-06-12T12:23:58","date_gmt":"2025-06-12T04:23:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206032\/"},"modified":"2025-06-12T12:23:58","modified_gmt":"2025-06-12T04:23:58","slug":"go-%e4%b8%ad-panic-%e5%92%8c-log-fatal-%e5%87%bd%e6%95%b0%e7%9a%84%e5%8c%ba%e5%88%ab%ef%bc%9a%e4%bd%95%e6%97%b6%e4%bd%bf%e7%94%a8-panic%ef%bc%8c%e4%bd%95%e6%97%b6%e4%bd%bf%e7%94%a8-log-fatal%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206032\/","title":{"rendered":"Go \u4e2d panic \u548c log.Fatal \u51fd\u6570\u7684\u533a\u522b\uff1a\u4f55\u65f6\u4f7f\u7528 panic\uff0c\u4f55\u65f6\u4f7f\u7528 log.Fatal\uff1f"},"content":{"rendered":"

\u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929GOLANG\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aGo \u4e2d panic \u548c log.Fatal \u51fd\u6570\u7684\u533a\u522b\uff1a\u4f55\u65f6\u4f7f\u7528 panic\uff0c\u4f55\u65f6\u4f7f\u7528 log.Fatal\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b<\/span>\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60GOLANG<\/span>\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01<\/span>,
\n,
\n\u63ed\u79d8 go \u4e2d panic \u548c log.fatal \u51fd\u6570\u7684\u5dee\u5f02<\/strong>,\u5728 go \u7f16\u7a0b\u4e2d\uff0cpanic \u548c log.fatal \u51fd\u6570\u90fd\u7528\u4e8e\u5904\u7406\u9519\u8bef\u548c\u9000\u51fa\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u5b83\u4eec\u4e4b\u95f4\u5b58\u5728\u7740\u7ec6\u5fae\u7684\u5dee\u5f02\u3002,
\n\u6838\u5fc3\u533a\u522b\uff1a\u53ef\u6062\u590d\u6027<\/strong>,panic \u51fd\u6570\u5141\u8bb8\u4f7f\u7528 recover \u51fd\u6570\u5728\u6050\u614c\uff08panic\uff09\u53d1\u751f\u540e\u6062\u590d\u7a0b\u5e8f\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cpanic \u4f20\u64ad “\u6050\u614c\u4fe1\u53f7”\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u5728\u6355\u83b7\u8be5\u4fe1\u53f7\u540e\u7ee7\u7eed\u6267\u884c\u3002,\u76f8\u53cd\uff0clog.fatal \u51fd\u6570\u76f4\u63a5\u5bfc\u81f4\u7a0b\u5e8f\u9000\u51fa\uff0c\u4e0d\u5141\u8bb8\u6062\u590d\u3002\u5b83\u6253\u5370\u9519\u8bef\u4fe1\u606f\u5e76\u8c03\u7528 os.exit(1)\uff0c\u7ec8\u6b62\u7a0b\u5e8f\u7684\u6267\u884c\u3002,
\n\u7528\u6cd5\u6307\u5357<\/strong>,
\n\u793a\u4f8b<\/strong>,\u5728\u793a\u4f8b\u4e2d\uff0cmain \u51fd\u6570\u4f7f\u7528 defer \u548c recover \u6765\u6355\u83b7 panic\uff0c\u4f46\u5728\u5904\u7406 log.fatal \u65f6\u6ca1\u6709\u8fd9\u6837\u7684\u673a\u5236\u3002\u8fd9\u610f\u5473\u7740\u7a0b\u5e8f\u4f1a\u5728 log.fatal \u4e4b\u540e\u9000\u51fa\uff0c\u800c\u4e0d\u4f1a\u5230\u8fbe\u6062\u590d\u51fd\u6570\u3002,\u7406\u89e3 panic \u548c log.fatal \u51fd\u6570\u4e4b\u95f4\u7684\u5dee\u5f02\u81f3\u5173\u91cd\u8981\uff0c\u8fd9\u6709\u52a9\u4e8e\u5728\u5904\u7406\u9519\u8bef\u548c\u7ba1\u7406\u7a0b\u5e8f\u751f\u547d\u5468\u671f\u65f6\u505a\u51fa\u660e\u667a\u7684\u51b3\u5b9a\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u4e2d panic \u548c log.Fatal \u51fd\u6570\u7684\u533a\u522b\uff1a\u4f55\u65f6\u4f7f\u7528 panic\uff0c\u4f55\u65f6\u4f7f\u7528 log.Fatal\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,
\nlog.fatal:<\/strong> \u5f53\u53d1\u751f\u81f4\u547d\u9519\u8bef\uff08\u5982\u6587\u4ef6\u6253\u5f00\u5931\u8d25\u6216\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25\uff09\u65f6\u4f7f\u7528 log.fatal\u3002\u8fd9\u4e9b\u9519\u8bef\u901a\u5e38\u8868\u660e\u7a0b\u5e8f\u65e0\u6cd5\u7ee7\u7eed\u8fd0\u884c\u3002,
\npanic:<\/strong> \u5f53\u53d1\u751f\u4e0d\u53ef\u6062\u590d\u7684\u9519\u8bef\uff08\u5982\u5185\u5b58\u5206\u914d\u5931\u8d25\u6216\u7ba1\u9053\u5df2\u5173\u95ed\uff09\u65f6\u4f7f\u7528 panic\u3002,\u63ed\u79d8 go \u4e2d panic \u548c log.fatal \u51fd\u6570\u7684\u5dee\u5f02,
\n\u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929GOLANG\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aGo \u4e2d panic \u548c log.Fatal \u51fd\u6570\u7684\u533a\u522b\uff1a\u4f55\u65f6\u4f7f\u7528 panic\uff0c\u4f55\u65f6\u4f7f\u7528 log.Fatal\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b<\/span>\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60GOLANG<\/span>\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01<\/span>,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Go \u4e2d panic \u548c log.Fatal \u51fd\u6570\u7684\u533a\u522b\uff1a\u4f55\u65f6\u4f7f\u7528 panic\uff0c\u4f55\u65f6\u4f7f\u7528 log.Fatal\uff1f<\/span><\/p>\n

Go \u4e2d panic \u548c log.Fatal \u51fd\u6570\u7684\u533a\u522b\uff1a\u4f55\u65f6\u4f7f\u7528 panic\uff0c\u4f55\u65f6\u4f7f\u7528 log.Fatal\uff1f<\/h1>\n

2024-11-01 13:46:08<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929GOLANG\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aGo \u4e2d panic \u548c log.Fatal \u51fd\u6570\u7684\u533a\u522b\uff1a\u4f55\u65f6\u4f7f\u7528 panic\uff0c\u4f55\u65f6\u4f7f\u7528 log.Fatal\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b<\/span>\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60GOLANG<\/span>\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01<\/span><\/p>\n

<\/p>\n

\u63ed\u79d8 go \u4e2d panic \u548c log.fatal \u51fd\u6570\u7684\u5dee\u5f02<\/strong><\/p>\n

\u5728 go \u7f16\u7a0b\u4e2d\uff0cpanic \u548c log.fatal \u51fd\u6570\u90fd\u7528\u4e8e\u5904\u7406\u9519\u8bef\u548c\u9000\u51fa\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u5b83\u4eec\u4e4b\u95f4\u5b58\u5728\u7740\u7ec6\u5fae\u7684\u5dee\u5f02\u3002<\/p>\n

\u6838\u5fc3\u533a\u522b\uff1a\u53ef\u6062\u590d\u6027<\/strong><\/p>\n

panic \u51fd\u6570\u5141\u8bb8\u4f7f\u7528 recover \u51fd\u6570\u5728\u6050\u614c\uff08panic\uff09\u53d1\u751f\u540e\u6062\u590d\u7a0b\u5e8f\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cpanic \u4f20\u64ad “\u6050\u614c\u4fe1\u53f7”\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u5728\u6355\u83b7\u8be5\u4fe1\u53f7\u540e\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n

\u76f8\u53cd\uff0clog.fatal \u51fd\u6570\u76f4\u63a5\u5bfc\u81f4\u7a0b\u5e8f\u9000\u51fa\uff0c\u4e0d\u5141\u8bb8\u6062\u590d\u3002\u5b83\u6253\u5370\u9519\u8bef\u4fe1\u606f\u5e76\u8c03\u7528 os.exit(1)\uff0c\u7ec8\u6b62\u7a0b\u5e8f\u7684\u6267\u884c\u3002<\/p>\n

\u7528\u6cd5\u6307\u5357<\/strong><\/p>\n

    \n
  • panic:<\/strong> \u5f53\u53d1\u751f\u4e0d\u53ef\u6062\u590d\u7684\u9519\u8bef\uff08\u5982\u5185\u5b58\u5206\u914d\u5931\u8d25\u6216\u7ba1\u9053\u5df2\u5173\u95ed\uff09\u65f6\u4f7f\u7528 panic\u3002<\/li>\n
  • log.fatal:<\/strong> \u5f53\u53d1\u751f\u81f4\u547d\u9519\u8bef\uff08\u5982\u6587\u4ef6\u6253\u5f00\u5931\u8d25\u6216\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25\uff09\u65f6\u4f7f\u7528 log.fatal\u3002\u8fd9\u4e9b\u9519\u8bef\u901a\u5e38\u8868\u660e\u7a0b\u5e8f\u65e0\u6cd5\u7ee7\u7eed\u8fd0\u884c\u3002<\/li>\n<\/ul>\n

    \u793a\u4f8b<\/strong><\/p>\n

    package main\n\nimport (\n    \"fmt\"\n    \"log\"\n)\n\nfunc main() {\n    \/\/ \u4e0d\u53ef\u6062\u590d\u7684\u9519\u8bef\n    defer func() {\n        if err := recover(); err != nil {\n            fmt.Println(\"\u6062\u590d\u9519\u8bef\uff1a\", err)\n        }\n    }()\n    \n    \/\/ \u6050\u614c\n    panic(\"\u5185\u5b58\u5206\u914d\u5931\u8d25\")\n\n    \/\/ \u81f4\u547d\u9519\u8bef\n    log.Fatal(\"\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25\")\n}<\/pre>\n
    \u5728\u793a\u4f8b\u4e2d\uff0cmain \u51fd\u6570\u4f7f\u7528 defer \u548c recover \u6765\u6355\u83b7 panic\uff0c\u4f46\u5728\u5904\u7406 log.fatal \u65f6\u6ca1\u6709\u8fd9\u6837\u7684\u673a\u5236\u3002\u8fd9\u610f\u5473\u7740\u7a0b\u5e8f\u4f1a\u5728 log.fatal \u4e4b\u540e\u9000\u51fa\uff0c\u800c\u4e0d\u4f1a\u5230\u8fbe\u6062\u590d\u51fd\u6570\u3002<\/p>\n
    \u7406\u89e3 panic \u548c log.fatal \u51fd\u6570\u4e4b\u95f4\u7684\u5dee\u5f02\u81f3\u5173\u91cd\u8981\uff0c\u8fd9\u6709\u52a9\u4e8e\u5728\u5904\u7406\u9519\u8bef\u548c\u7ba1\u7406\u7a0b\u5e8f\u751f\u547d\u5468\u671f\u65f6\u505a\u51fa\u660e\u667a\u7684\u51b3\u5b9a\u3002<\/p>\n
    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u4e2d panic \u548c log.Fatal \u51fd\u6570\u7684\u533a\u522b\uff1a\u4f55\u65f6\u4f7f\u7528 panic\uff0c\u4f55\u65f6\u4f7f\u7528 log.Fatal\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
    \n
    \n <\/dt>\n
    \n   setInterval() \u6eda\u52a8\u6548\u679c\u4e0d\u4f73\uff1a\u5982\u4f55\u89e3\u51b3\u4ee3\u7801\u4e2d\u7684\u901f\u5ea6\u8ba1\u7b97\u548c\u65f6\u95f4\u95f4\u9694\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   \u96c6\u5408\u3001\u6392\u5e8f\u548c\u5b9e\u7528\u65b9\u6cd5\u4e2d\u7684\u90e8\u5206\u6cdb\u578b\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003...<\/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-206032","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206032","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=206032"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206032\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}