{"id":207614,"date":"2025-07-08T11:23:05","date_gmt":"2025-07-08T03:23:05","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207614\/"},"modified":"2025-07-08T11:23:05","modified_gmt":"2025-07-08T03:23:05","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8log-slog%e8%ae%b0%e5%bd%95%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207614\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u201clog\/slog\u201d\u8bb0\u5f55\u9519\u8bef"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5982\u4f55\u4f7f\u7528\u201clog\/slog\u201d\u8bb0\u5f55\u9519\u8bef<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-23 23:09:30<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u4f7f\u7528\u201clog\/slog\u201d\u8bb0\u5f55\u9519\u8bef\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u5b98\u65b9\u6587\u6863\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u65b0\u7684\u7ed3\u6784\u5316\u65e5\u5fd7\u8bb0\u5f55\u5305\uff0c\u4f46\u4f3c\u4e4e\u7701\u7565\u4e86\u5982\u4f55\u8bb0\u5f55\u9519\u8bef\u3002<\/p>\n<p>https:\/\/pkg.go.dev\/log\/slog<\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n    \"log\/slog\"\n    \"os\"\n)\n\nfunc demoFunction() error {\n    return fmt.Errorf(\"oh no: %v\", 123)\n}\n\nfunc main() {\n    logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))\n    slog.SetDefault(logger)\n\n    slog.Info(\"info demo\", \"count\", 3)\n    slog.Warn(\"warn demo\", slog.String(\"somekey\", \"somevalue\"))\n    slog.Error(\"error demo\", slog.Int(\"someintkey\", 123))\n    err := demoFunction()\n    if err != nil {\n        \/\/ Here I'm logging the error as a string, but I presume there is a better way\n        \/\/ possibly that will log stack trace info as well.\n        slog.Error(\"the demo function got an error.\", slog.String(\"error\", err.Error()))\n    }\n}<\/pre>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u6709\u4eba\u5e76\u5173\u95ed\u4e86\u5b83\u3002\u6211\u8ba4\u4e3a\u5b83\u6700\u7ec8\u4f1a\u6210\u4e3a\u4e0d\u5fc5\u8981\u7684\u8bed\u6cd5\u7cd6\u3002<\/p>\n<p>\u770b\u6765\u5df2\u7ecf\u51b3\u5b9a\u5305\u88c5 \u8c03\u7528<\/p>\n<pre>func ErrAttr(err error) slog.Attr {\n    return slog.Any(\"error\", err)\n}<\/pre>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u4f7f\u7528\u201clog\/slog\u201d\u8bb0\u5f55\u9519\u8bef\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#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-207614","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207614","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=207614"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207614\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}