{"id":629,"date":"2025-12-07T15:44:34","date_gmt":"2025-12-07T07:44:34","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=629"},"modified":"2025-12-07T15:44:34","modified_gmt":"2025-12-07T07:44:34","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-net_core%e9%a1%b9%e7%9b%ae%e4%b8%ad%e8%87%aa%e5%8a%a8%e6%a3%80%e6%b5%8b%e5%b9%b6%e5%8a%a0%e8%bd%bd%e7%89%b9%e5%ae%9a%e4%ba%8e%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e7%8e%af","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2025\/12\/07\/%e5%a6%82%e4%bd%95%e5%9c%a8-net_core%e9%a1%b9%e7%9b%ae%e4%b8%ad%e8%87%aa%e5%8a%a8%e6%a3%80%e6%b5%8b%e5%b9%b6%e5%8a%a0%e8%bd%bd%e7%89%b9%e5%ae%9a%e4%ba%8e%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e7%8e%af\/","title":{"rendered":"\u5982\u4f55\u5728.net_core\u9879\u76ee\u4e2d\u81ea\u52a8\u68c0\u6d4b\u5e76\u52a0\u8f7d\u7279\u5b9a\u4e8e\u670d\u52a1\u5668\u7684\u73af\u5883\u53d8\u91cf"},"content":{"rendered":"\n<p>\u4e0b\u9762\u7ed9\u4f60 <strong>\u6700\u6e05\u6670\u3001\u6700\u5b9e\u7528\u3001\u6700\u65b0\u7684 .NET Core \u81ea\u52a8\u68c0\u6d4b\u5e76\u52a0\u8f7d\u670d\u52a1\u5668\u4e13\u5c5e\u73af\u5883\u53d8\u91cf\u65b9\u6848<\/strong>\uff0c\u5305\u542b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u901a\u7528\u89e3\u51b3\u7b56\u7565\uff08\u9002\u7528\u4e8e Linux \/ Windows \/ Docker \/ K8s\uff09<\/strong><\/li>\n\n\n\n<li><strong>\u81ea\u52a8\u68c0\u6d4b\u7f3a\u5931\u73af\u5883\u53d8\u91cf<\/strong><\/li>\n\n\n\n<li><strong>\u81ea\u52a8\u52a0\u8f7d\u73af\u5883\u53d8\u91cf\uff08\u591a\u73af\u5883\u3001\u591a\u670d\u52a1\u5668\uff09<\/strong><\/li>\n\n\n\n<li><strong>\u5b8c\u6574 Program.cs \u6a21\u677f<\/strong><\/li>\n\n\n\n<li><strong>\u53ef\u6269\u5c55\u7684\u201c\u670d\u52a1\u5668\u7279\u5b9a\u914d\u7f6e\u6587\u4ef6\u65b9\u6848\u201d<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u76f4\u63a5\u590d\u5236\u5230\u4f60\u7684\u9879\u76ee\u4e2d\u4f7f\u7528\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u4e00\u3001\u76ee\u6807<\/h1>\n\n\n\n<p>\u5f53\u4f60\u7684 .NET Core \u9879\u76ee\u90e8\u7f72\u5230\u4e0d\u540c\u670d\u52a1\u5668\u65f6\uff0c\u8981\u505a\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u542f\u52a8\u65f6 <strong>\u81ea\u52a8\u68c0\u6d4b\u5fc5\u987b\u7684\u73af\u5883\u53d8\u91cf\u662f\u5426\u5b58\u5728<\/strong><\/li>\n\n\n\n<li>\u6839\u636e\u670d\u52a1\u5668\u7c7b\u578b\uff08\u5982 nodeA\u3001nodeB\u3001prod\u3001test\uff09<strong>\u81ea\u52a8\u52a0\u8f7d\u5bf9\u5e94\u7684\u73af\u5883\u53d8\u91cf<\/strong><\/li>\n\n\n\n<li>\u5f00\u53d1\u73af\u5883\u548c\u670d\u52a1\u5668\u73af\u5883\u81ea\u52a8\u533a\u5206<\/li>\n\n\n\n<li>\u907f\u514d\u628a\u5bc6\u7801\u3001\u8fde\u63a5\u5b57\u7b26\u4e32\u5199\u6b7b\u5728 appsettings.json<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u4e8c\u3001\u6700\u63a8\u8350\u7684\u6807\u51c6\u65b9\u6cd5\uff1a\u73af\u5883\u53d8\u91cf + appsettings.{ENV}.json \u81ea\u52a8\u52a0\u8f7d<\/h1>\n\n\n\n<p>.NET Core \u5185\u7f6e\u673a\u5236\u4f1a\u81ea\u52a8\u6309\u987a\u5e8f\u52a0\u8f7d\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nappsettings.json\nappsettings.Development.json\nappsettings.Production.json\n\u73af\u5883\u53d8\u91cf\n\u547d\u4ee4\u884c\u53c2\u6570\n\n<\/pre><\/div>\n\n\n<p>\u4f60\u53ef\u4ee5\u7528\u73af\u5883\u53d8\u91cf <strong>ASPNETCORE_ENVIRONMENT<\/strong> \u63a7\u5236\u52a0\u8f7d\u54ea\u4e2a\u914d\u7f6e\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Linux \u8bbe\u7f6e\u73af\u5883\uff1a<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nexport ASPNETCORE_ENVIRONMENT=Production\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Windows \u8bbe\u7f6e\u73af\u5883\uff1a<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nsetx ASPNETCORE_ENVIRONMENT &quot;Production&quot;\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u4e09\u3001\u81ea\u52a8\u68c0\u6d4b\u73af\u5883\u53d8\u91cf\u662f\u5426\u7f3a\u5931\uff08\u5f3a\u70c8\u63a8\u8350\uff09<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Program.cs \u589e\u5f3a\u4ee3\u7801<\/strong><\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nvar builder = WebApplication.CreateBuilder(args);\n\n\/\/ \u52a0\u8f7d\u73af\u5883\u53d8\u91cf\nbuilder.Configuration.AddEnvironmentVariables();\n\n\/\/ \u5b9a\u4e49\u4f60\u5fc5\u987b\u8981\u8bfb\u53d6\u7684\u73af\u5883\u53d8\u91cf\uff08\u53ef\u6839\u636e\u670d\u52a1\u5668\u4e0d\u540c\u8c03\u6574\uff09\nstring&#x5B;] requiredKeys =\n{\n    &quot;DB_CONNECTION&quot;,\n    &quot;REDIS_URL&quot;,\n    &quot;JWT_SECRET&quot;\n};\n\nforeach (var key in requiredKeys)\n{\n    var value = builder.Configuration&#x5B;key];\n    if (string.IsNullOrWhiteSpace(value))\n    {\n        Console.ForegroundColor = ConsoleColor.Red;\n        Console.WriteLine($&quot;\u274c \u7f3a\u5c11\u5fc5\u987b\u7684\u73af\u5883\u53d8\u91cf\uff1a{key}&quot;);\n        Console.ResetColor();\n\n        throw new Exception($&quot;\u7f3a\u5c11\u5fc5\u987b\u7684\u73af\u5883\u53d8\u91cf\uff1a{key}&quot;);\n    }\n}\n\nvar app = builder.Build();\napp.Run();\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u56db\u3001\u6839\u636e\u201c\u670d\u52a1\u5668\u540d\u79f0\u201d\u81ea\u52a8\u52a0\u8f7d\u4e0d\u540c\u53d8\u91cf\uff08\u6700\u7075\u6d3b\uff09<\/h1>\n\n\n\n<p>\u5047\u8bbe\u4f60\u6709\u591a\u4e2a\u670d\u52a1\u5668\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>server-a \uff08\u4e0a\u6d77\uff09<\/li>\n\n\n\n<li>server-b \uff08\u9999\u6e2f\uff09<\/li>\n\n\n\n<li>server-prod \uff08\u751f\u4ea7\uff09<\/li>\n\n\n\n<li>server-test \uff08\u6d4b\u8bd5\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7 <strong>SERVER_NAME<\/strong> \u73af\u5883\u53d8\u91cf\u6765\u8ba9 .NET \u81ea\u52a8\u8bc6\u522b\u5e76\u52a0\u8f7d\u5bf9\u5e94\u914d\u7f6e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2728 \u65b9\u6848 A\uff1a\u57fa\u4e8e SERVER_NAME \u81ea\u52a8\u52a0\u8f7d appsettings.SERVER_NAME.json<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1\uff09\u5728\u670d\u52a1\u5668\u8bbe\u7f6e\u53d8\u91cf<\/h3>\n\n\n\n<p>Linux\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nexport SERVER_NAME=server-a\n\n<\/pre><\/div>\n\n\n<p>Windows\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nsetx SERVER_NAME &quot;server-a&quot;\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">2\uff09Program.cs \u4e2d\u52a8\u6001\u52a0\u8f7d<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nvar builder = WebApplication.CreateBuilder(args);\n\nbuilder.Configuration.AddEnvironmentVariables();\n\n\/\/ \u8bfb\u53d6\u670d\u52a1\u5668\u540d\u79f0\nstring serverName = builder.Configuration&#x5B;&quot;SERVER_NAME&quot;];\n\nif (!string.IsNullOrEmpty(serverName))\n{\n    var fileName = $&quot;appsettings.{serverName}.json&quot;;\n    builder.Configuration.AddJsonFile(fileName, optional: true, reloadOnChange: true);\n\n    Console.WriteLine($&quot;\ud83d\udd27 \u5df2\u52a0\u8f7d\u670d\u52a1\u5668\u7279\u5b9a\u914d\u7f6e\u6587\u4ef6\uff1a{fileName}&quot;);\n}\nelse\n{\n    Console.WriteLine(&quot;\u26a0\ufe0f \u672a\u8bbe\u7f6e SERVER_NAME \u73af\u5883\u53d8\u91cf\uff0c\u4f7f\u7528\u9ed8\u8ba4\u914d\u7f6e\u6587\u4ef6&quot;);\n}\n\nvar app = builder.Build();\napp.Run();\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">3\uff09\u521b\u5efa\u5bf9\u5e94\u6587\u4ef6\uff0c\u4f8b\u5982\uff1a<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nappsettings.server-a.json\nappsettings.server-b.json\nappsettings.server-prod.json\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u4e94\u3001\u81ea\u52a8\u68c0\u6d4b\u201c\u5f53\u524d\u670d\u52a1\u5668\u201d\u5e76\u505a\u51fa\u4e0d\u540c\u52a0\u8f7d\u903b\u8f91<\/h1>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u81ea\u52a8\u8bfb\u53d6\u670d\u52a1\u5668\u7684 Hostname\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nvar hostname = System.Net.Dns.GetHostName();\nConsole.WriteLine(&quot;\u5f53\u524d\u673a\u5668\uff1a&quot; + hostname);\n\nbuilder.Configuration.AddJsonFile($&quot;appsettings.{hostname}.json&quot;, optional: true);\n\n<\/pre><\/div>\n\n\n<p>\u8fd9\u6837\uff0c\u53ea\u8981\u521b\u5efa\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nappsettings.server-a.json\nappsettings.server-b.json\n\n<\/pre><\/div>\n\n\n<p>\u7cfb\u7edf\u5c31\u80fd\u81ea\u52a8\u52a0\u8f7d\u5bf9\u5e94\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u516d\u3001Docker \u73af\u5883\u4e0b\u81ea\u52a8\u52a0\u8f7d\u53d8\u91cf\uff08\u6700\u5e38\u7528\uff09<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">docker-compose.yml<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nenvironment:\n  SERVER_NAME: &quot;prod&quot;\n  DB_CONNECTION: &quot;Server=db1;User=prod;Pwd=123&quot;\n  REDIS_URL: &quot;redis:\/\/prod:6379&quot;\n  JWT_SECRET: &quot;prod_secret&quot;\n\n<\/pre><\/div>\n\n\n<p>\u7a0b\u5e8f\u542f\u52a8\u4f1a\u81ea\u52a8\u68c0\u6d4b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u8981\u53d8\u91cf\u662f\u5426\u7f3a\u5931<\/li>\n\n\n\n<li>\u81ea\u52a8\u52a0\u8f7d appsettings.prod.json<\/li>\n\n\n\n<li>\u81ea\u52a8\u52a0\u8f7d appsettings.json<\/li>\n\n\n\n<li>\u81ea\u52a8\u52a0\u8f7d\u73af\u5883\u53d8\u91cf<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u2705 \u4e03\u3001\u7ec8\u6781\u901a\u7528\u6a21\u677f\uff08\u9002\u5408\u751f\u4ea7\u73af\u5883\uff09<\/h1>\n\n\n\n<p>\u8fd9\u662f\u4f60\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7684\u5b8c\u6574\u7248\u672c\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Program.cs\uff08\u53ef\u76f4\u63a5\u590d\u5236\uff09<\/strong><\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nvar builder = WebApplication.CreateBuilder(args);\n\n\/\/ 1. \u52a0\u8f7d appsettings.json + appsettings.EnvironmentName.json\nbuilder.Configuration\n    .AddJsonFile(&quot;appsettings.json&quot;, optional: false, reloadOnChange: true)\n    .AddJsonFile($&quot;appsettings.{builder.Environment.EnvironmentName}.json&quot;, optional: true)\n    .AddEnvironmentVariables();\n\n\/\/ 2. \u57fa\u4e8e SERVER_NAME \u52a0\u8f7d\u670d\u52a1\u5668\u7279\u5b9a\u914d\u7f6e\nvar serverName = builder.Configuration&#x5B;&quot;SERVER_NAME&quot;];\nif (!string.IsNullOrEmpty(serverName))\n{\n    var serverConfig = $&quot;appsettings.{serverName}.json&quot;;\n    builder.Configuration.AddJsonFile(serverConfig, optional: true);\n    Console.WriteLine($&quot;\ud83d\udd27 \u5df2\u52a0\u8f7d\u670d\u52a1\u5668\u914d\u7f6e\uff1a{serverConfig}&quot;);\n}\n\n\/\/ 3. \u81ea\u52a8\u68c0\u6d4b\u5173\u952e\u73af\u5883\u53d8\u91cf\uff08\u9632\u6b62\u90e8\u7f72\u5931\u8d25\uff09\nstring&#x5B;] requiredVars = new&#x5B;]\n{\n    &quot;DB_CONNECTION&quot;,\n    &quot;JWT_SECRET&quot;\n};\n\nforeach (var key in requiredVars)\n{\n    if (string.IsNullOrWhiteSpace(builder.Configuration&#x5B;key]))\n        throw new Exception($&quot;\u7f3a\u5c11\u5fc5\u987b\u7684\u73af\u5883\u53d8\u91cf\uff1a{key}&quot;);\n}\n\nConsole.WriteLine(&quot;\u6240\u6709\u5173\u952e\u73af\u5883\u53d8\u91cf\u52a0\u8f7d\u6210\u529f\uff01&quot;);\n\nvar app = builder.Build();\napp.Run();\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83c\udf89 \u516b\u3001\u603b\u7ed3\uff08\u9002\u5408 YouTube \u6216\u6587\u7ae0\u5f00\u5934\uff09<\/h1>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u8981\u505a\u5230 .NET Core \u9879\u76ee\u5728\u4e0d\u540c\u670d\u52a1\u5668\u81ea\u52a8\u52a0\u8f7d\u914d\u7f6e\uff0c\u4f60\u9700\u8981\uff1a<\/strong><br>1\ufe0f\u20e3 \u81ea\u52a8\u8bfb\u53d6\u73af\u5883\u53d8\u91cf<br>2\ufe0f\u20e3 \u81ea\u52a8\u68c0\u6d4b\u7f3a\u5931\u914d\u7f6e<br>3\ufe0f\u20e3 \u81ea\u52a8\u52a0\u8f7d appsettings.{Environment}.json<br>4\ufe0f\u20e3 \u6839\u636e SERVER_NAME \u52a8\u6001\u52a0\u8f7d\u670d\u52a1\u5668\u7279\u5b9a\u914d\u7f6e<br>5\ufe0f\u20e3 \u5bf9 Docker \u4e0e K8s \u652f\u6301\u4e00\u952e\u9002\u914d<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u9762\u7ed9\u4f60 \u6700\u6e05\u6670\u3001\u6700\u5b9e\u7528\u3001\u6700\u65b0\u7684 .NET Core \u81ea\u52a8\u68c0\u6d4b\u5e76\u52a0\u8f7d\u670d\u52a1\u5668\u4e13\u5c5e\u73af&#8230; 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