{"id":11,"date":"2026-06-23T21:20:53","date_gmt":"2026-06-23T13:20:53","guid":{"rendered":"https:\/\/blog.wu2kong.com\/?p=11"},"modified":"2026-06-23T21:20:53","modified_gmt":"2026-06-23T13:20:53","slug":"golang%e6%af%8f%e6%97%a5%e4%b8%80%e5%ba%93-godotenv","status":"publish","type":"post","link":"https:\/\/blog.wu2kong.com\/?p=11","title":{"rendered":"Golang\u6bcf\u65e5\u4e00\u5e93 &#8211; godotenv"},"content":{"rendered":"\u5728 Go\uff08Golang\uff09\u4e2d\u4f7f\u7528 `.env` \u6587\u4ef6\uff0c **\u5b98\u65b9\u6807\u51c6\u5e93\u4e0d\u76f4\u63a5\u652f\u6301** \uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93\u8f7b\u677e\u5b9e\u73b0\u3002\u6700\u6d41\u884c\u3001\u8f7b\u91cf\u4e14\u7a33\u5b9a\u7684\u5e93\u662f **[godotenv](https:\/\/github.com\/joho\/godotenv)** \u3002\r\n\r\n---\r\n\r\n### \u63a8\u8350\u65b9\u6848\uff1a\u4f7f\u7528 godotenv\r\n\r\n#### \u7b2c\u4e00\u6b65\uff1a\u5b89\u88c5\u5e93\r\n\r\n```bash\r\ngo get github.com\/joho\/godotenv\r\n```\r\n\r\n---\r\n\r\n#### \u7b2c\u4e8c\u6b65\uff1a\u521b\u5efa.env \u6587\u4ef6\uff08\u9879\u76ee\u6839\u76ee\u5f55\uff09\r\n\r\n```bash\r\n# .env\r\nAPP_NAME=MyMonitor\r\nPORT=8080\r\n```\r\n\r\n> \u6ce8\u610f\uff1a\r\n> \r\n> -   \u4e0d\u8981\u63d0\u4ea4 `.env` \u5230 Git\uff08\u52a0\u5230 `.gitignore` \uff09\r\n> -   \u503c\u4e0d\u8981\u52a0\u5f15\u53f7\uff08\u9664\u975e\u5305\u542b\u7a7a\u683c\u6216\u7279\u6b8a\u5b57\u7b26\uff09\r\n\r\n---\r\n\r\n#### \u7b2c\u4e09\u6b65\uff1a\u5728 Go \u4ee3\u7801\u4e2d\u52a0\u8f7d.env\r\n\r\n```golang\r\npackage main\r\n\r\nimport (\r\n    \"fmt\"\r\n    \"log\"\r\n    \"os\"\r\n    \"time\"\r\n\r\n    \"github.com\/joho\/godotenv\"\r\n)\r\n\r\nfunc main() {\r\n    \/\/ \u52a0\u8f7d .env \u6587\u4ef6\r\n    if err := godotenv.Load(); err != nil {\r\n        log.Println(\" \u672a\u627e\u5230 .env \u6587\u4ef6\uff0c\u4f7f\u7528\u7cfb\u7edf\u73af\u5883\u53d8\u91cf\")\r\n    }\r\n\r\n    \/\/ \u8bfb\u53d6\u914d\u7f6e\r\n    appName := os.Getenv(\"APP_NAME\")\r\n    port := os.Getenv(\"PORT\")\r\n\r\n    \/\/ \u8f6c\u6362\u7c7b\u578b\uff08\u5b57\u7b26\u4e32 \u2192 \u5176\u4ed6\uff09\r\n    checkInterval, _ := time.ParseDuration(os.Getenv(\"CHECK_INTERVAL\"))\r\n    logCheckInterval, _ := time.ParseDuration(os.Getenv(\"LOG_CHECK_INTERVAL\"))\r\n\r\n    fmt.Printf(\"\u5e94\u7528: %s\\n\", appName)\r\n    fmt.Printf(\"\u7aef\u53e3: %s\\n\", port)\r\n    fmt.Printf(\"\u9489\u9489 Token: %s\\n\", token)\r\n    fmt.Printf(\"\u65e5\u5fd7\u8def\u5f84: %s\\n\", logPath)\r\n    fmt.Printf(\"\u68c0\u67e5\u95f4\u9694: %v\\n\", checkInterval)\r\n    fmt.Printf(\"\u65e5\u5fd7\u5206\u6790\u95f4\u9694: %v\\n\", logCheckInterval)\r\n}\r\n```\r\n\r\n---\r\n\r\n### \u9ad8\u7ea7\u7528\u6cd5\r\n\r\n#### 1\\. \u6307\u5b9a.env \u6587\u4ef6\u8def\u5f84\r\n\r\n```golang\r\n\/\/ \u52a0\u8f7d\u81ea\u5b9a\u4e49\u8def\u5f84\u7684 env \u6587\u4ef6\r\ngodotenv.Load(\"\/path\/to\/config\/.env\")\r\n\/\/ \u6216\u591a\u4e2a\u6587\u4ef6\r\ngodotenv.Load(\".env.local\", \".env\")\r\n```\r\n\r\n#### 2\\. \u4ec5\u52a0\u8f7d\uff0c\u4e0d\u8986\u76d6\u5df2\u6709\u73af\u5883\u53d8\u91cf\r\n\r\n```golang\r\n\/\/ \u5982\u679c\u7cfb\u7edf\u5df2\u6709 DINGTALK_TOKEN\uff0c\u5219\u4e0d\u4f1a\u88ab .env \u8986\u76d6\r\ngodotenv.Load()\r\n```\r\n\r\n> `godotenv.Load()` \u9ed8\u8ba4\u884c\u4e3a\uff1a **\u53ea\u8bbe\u7f6e\u672a\u5b9a\u4e49\u7684\u73af\u5883\u53d8\u91cf** \uff0c\u5b89\u5168\uff01\r\n\r\n#### 3\\. \u5f3a\u5236\u8986\u76d6\uff08\u8c28\u614e\u4f7f\u7528\uff09\r\n\r\n```\r\n\/\/ \u8986\u76d6\u5df2\u6709\u73af\u5883\u53d8\u91cf\r\n_ = godotenv.OverLoad()\r\n```\r\n\r\n#### 4\\. \u8bfb\u53d6\u4e3a map\uff08\u4e0d\u6ce8\u5165\u73af\u5883\u53d8\u91cf\uff09\r\n\r\n```\r\nenvMap, err := godotenv.Read()\r\nif err != nil {\r\n    log.Fatal(err)\r\n}\r\nfmt.Println(envMap[\"DINGTALK_TOKEN\"])\r\n```\r\n\r\n---","protected":false},"excerpt":{"rendered":"<p>\u5728 Go\uff08Golang\uff09\u4e2d\u4f7f\u7528 `.env` \u6587\u4ef6\uff0c **\u5b98\u65b9\u6807\u51c6\u5e93\u4e0d\u76f4\u63a5\u652f\u6301** \uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93\u8f7b\u677e\u5b9e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=\/wp\/v2\/posts\/11","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11"}],"version-history":[{"count":2,"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=\/wp\/v2\/posts\/11\/revisions"}],"predecessor-version":[{"id":13,"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=\/wp\/v2\/posts\/11\/revisions\/13"}],"wp:attachment":[{"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wu2kong.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}