{"id":690,"date":"2024-05-27T00:15:04","date_gmt":"2024-05-27T07:15:04","guid":{"rendered":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/?p=690"},"modified":"2024-06-06T11:29:54","modified_gmt":"2024-06-06T18:29:54","slug":"c12-%e5%bc%95%e5%85%a5%e4%b8%bb%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0%ef%bc%9a%e7%ae%80%e5%8c%96%e4%bb%a3%e7%a0%81%e9%87%8d%e6%9e%84","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/c12-%e5%bc%95%e5%85%a5%e4%b8%bb%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0%ef%bc%9a%e7%ae%80%e5%8c%96%e4%bb%a3%e7%a0%81%e9%87%8d%e6%9e%84\/","title":{"rendered":"C#12\u65b0\u529f\u80fd\u5408\u96c6\u4e00\uff1a\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\u91cd\u6784\u4ee3\u7801"},"content":{"rendered":"<p><span style=\"font-size: 12pt;\"><em>\u672c\u6587\u7ffb\u8bd1\u4e8eDavid Pine\u7684\u8fd9\u7bc7\u6587\u7ae0\uff1a<a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/csharp-primary-constructors-refactoring\/\">Refactor your C# code with primary constructors<\/a><\/em><\/span><\/p>\n<p><a href=\"https:\/\/learn.microsoft.com\/en-us\/dotnet\/csharp\/whats-new\/csharp-12\"><span data-contrast=\"auto\">\u4f5c\u4e3a<\/span><span data-contrast=\"auto\"> .NET 8 <\/span><span data-contrast=\"auto\">\u4e00\u90e8\u5206\u7684<\/span><span data-contrast=\"none\"> C# 12<\/span><\/a> <span data-contrast=\"auto\">\u5f15\u5165\u4e86\u4e00\u7ec4\u5f15\u4eba\u6ce8\u76ee\u7684\u65b0\u529f\u80fd\uff01<\/span> <span data-contrast=\"auto\">\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u5176\u4e2d\u4e00\u4e2a\u529f\u80fd\uff0c\u7279\u522b\u662f\u4e3b\u6784\u9020\u51fd\u6570\uff0c\u89e3\u91ca\u5176\u7528\u6cd5\u548c\u76f8\u5173\u6027\u3002<\/span> <span data-contrast=\"auto\">\u7136\u540e\uff0c\u6211\u4eec\u5c06\u6f14\u793a\u4e00\u4e2a\u91cd\u6784\u793a\u4f8b\uff0c\u4ee5\u5c55\u793a\u5982\u4f55\u5c06\u5176\u5e94\u7528\u5230\u60a8\u7684\u4ee3\u7801\u4e2d\uff0c\u5e76\u8ba8\u8bba\u5176\u597d\u5904\u548c\u6f5c\u5728\u7684\u7f3a\u9677\u3002<\/span> <span data-contrast=\"auto\">\u8fd9\u5c06\u5e2e\u52a9\u60a8\u4e86\u89e3\u8fd9\u4e00\u66f4\u6539\u7684\u5f71\u54cd\u5e76\u6709\u52a9\u4e8e\u60a8\u51b3\u5b9a\u662f\u5426\u91c7\u7528\u8be5\u529f\u80fd<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">\u4e3b\u6784\u9020\u51fd\u6570<\/span><\/b><b><span data-contrast=\"auto\">1\ufe0f<\/span><\/b><b><span data-contrast=\"auto\">\u20e3<\/span><\/b><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u4e3b\u6784\u9020\u51fd\u6570\u88ab\u8ba4\u4e3a\u662f\u4e00\u9879<\/span><span data-contrast=\"auto\">\u201cC#<\/span><span data-contrast=\"auto\">\u65e5\u5e38<\/span><span data-contrast=\"auto\">\u201d<\/span><span data-contrast=\"auto\">\u7684\u5f00\u53d1\u4eba\u5458\u529f\u80fd\u3002<\/span> <span data-contrast=\"auto\">\u5b83\u4eec\u5141\u8bb8\u60a8\u5728\u4e00\u4e2a\u7b80\u6d01\u7684\u58f0\u660e\u4e2d\u5b9a\u4e49\u7c7b\u6216\u7ed3\u6784\u53ca\u5176\u6784\u9020\u51fd\u6570\u3002<\/span> <span data-contrast=\"auto\">\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u60a8\u51cf\u5c11\u9700\u8981\u7f16\u5199\u7684\u6837\u677f\u4ee3\u7801\u91cf\u3002<\/span> <span data-contrast=\"auto\">\u5982\u679c\u60a8\u4e00\u76f4\u5728\u5173\u6ce8<\/span><span data-contrast=\"auto\"> C# <\/span><span data-contrast=\"auto\">\u7248\u672c\uff0c\u60a8\u53ef\u80fd\u719f\u6089\u8bb0\u5f55\u7c7b\u578b\uff0c\u5176\u4e2d\u5305\u62ec\u4e3b\u6784\u9020\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u793a\u4f8b<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">\u4e0e\u8bb0\u5f55\u7c7b\u578b\u7684\u533a\u522b<\/span><\/b><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/learn.microsoft.com\/en-us\/dotnet\/csharp\/fundamentals\/types\/records\"><span data-contrast=\"none\">\u8bb0\u5f55\u7c7b\u578b<\/span><\/a><span data-contrast=\"auto\">\u4f5c\u4e3a\u7c7b\u6216\u7ed3\u6784\u7684\u7c7b\u578b\u4fee\u9970\u7b26\u5f15\u5165\uff0c\u8fd9\u7b80\u5316\u4e86\u6784\u5efa\u7b80\u5355\u7c7b\uff08\u5982\u6570\u636e\u5bb9\u5668\uff09\u7684\u8bed\u6cd5\u3002<\/span> <span data-contrast=\"auto\">\u8bb0\u5f55\u53ef\u4ee5\u5305\u62ec\u4e3b\u6784\u9020\u51fd\u6570\u3002<\/span> <span data-contrast=\"auto\">\u8be5\u6784\u9020\u51fd\u6570\u4e0d\u4ec5\u751f\u6210\u4e00\u4e2a\u652f\u6301\u5b57\u6bb5\uff0c\u800c\u4e14\u8fd8\u4e3a\u6bcf\u4e2a\u53c2\u6570\u516c\u5f00\u4e00\u4e2a\u516c\u5171\u5c5e\u6027\u3002<\/span> <span data-contrast=\"auto\">\u4e0e\u4f20\u7edf\u7684\u7c7b\u6216\u7ed3\u6784\u7c7b\u578b\u4e0d\u540c\uff0c\u5728\u4f20\u7edf\u7684\u7c7b\u6216\u7ed3\u6784\u7c7b\u578b\u4e2d\uff0c\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u5728\u6574\u4e2a\u7c7b\u5b9a\u4e49\u4e2d\u8bbf\u95ee\uff0c\u800c\u8bb0\u5f55\u88ab\u8bbe\u8ba1\u4e3a\u900f\u660e\u7684\u6570\u636e\u5bb9\u5668\u3002<\/span> <span data-contrast=\"auto\">\u4ed6\u4eec\u672c\u8d28\u4e0a\u652f\u6301\u57fa\u4e8e\u503c\u7684\u76f8\u7b49\uff0c\u8fd9\u4e0e\u4ed6\u4eec\u4f5c\u4e3a\u6570\u636e\u6301\u6709\u8005\u7684\u9884\u671f\u89d2\u8272\u76f8\u4e00\u81f4\u3002<\/span> <span data-contrast=\"auto\">\u56e0\u6b64\uff0c\u5b83\u4eec\u7684\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u4f5c\u4e3a\u5c5e\u6027\u8bbf\u95ee\u662f\u5408\u4e4e\u903b\u8f91\u7684<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">\u91cd\u6784\u793a\u4f8b<\/span><\/b><b><span data-contrast=\"auto\">\u2728<\/span><\/b><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/learn.microsoft.com\/en-us\/dotnet\/core\/tools\/dotnet-new\"><span data-contrast=\"auto\">.NET <\/span><span data-contrast=\"none\">\u63d0\u4f9b\u4e86\u8bb8\u591a\u6a21\u677f<\/span><\/a><span data-contrast=\"auto\">\uff0c\u5982\u679c\u60a8\u66fe\u7ecf\u521b\u5efa\u8fc7<\/span><a href=\"https:\/\/learn.microsoft.com\/en-us\/dotnet\/core\/extensions\/workers\"><span data-contrast=\"none\">Worker Service<\/span><\/a><span data-contrast=\"auto\">\uff0c\u60a8\u53ef\u80fd\u89c1\u8fc7\u4ee5\u4e0b<\/span><span data-contrast=\"auto\">Worker<\/span><span data-contrast=\"auto\">\u7c7b\u6a21\u677f\u4ee3\u7801\uff1a<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<pre class=\"prettyprint language-default\"><code class=\"language-default\">namespace Example.Worker.Service\r\n{\r\n    public class Worker : BackgroundService\r\n    {\r\n        private readonly ILogger&lt;Worker&gt; _logger;\r\n\r\n        public Worker(ILogger&lt;Worker&gt; logger)\r\n        {\r\n            _logger = logger;\r\n        }\r\n\r\n        protected override async Task ExecuteAsync(CancellationToken stoppingToken)\r\n        {\r\n            while (!stoppingToken.IsCancellationRequested)\r\n            {\r\n                if (_logger.IsEnabled(LogLevel.Information))\r\n                {\r\n                    _logger.LogInformation(\"Worker running at: {time}\", DateTimeOffset.Now);\r\n                }\r\n                await Task.Delay(1000, stoppingToken);\r\n            }\r\n        }\r\n    }\r\n}<\/code><\/pre>\n<p><span data-contrast=\"auto\">\u524d\u9762\u7684\u4ee3\u7801\u662f\u4e00\u4e2a\u7b80\u5355\u7684<\/span><span data-contrast=\"auto\"> Worker <\/span><span data-contrast=\"auto\">\u670d\u52a1\uff0c\u6bcf\u79d2\u8bb0\u5f55\u4e00\u6761\u6d88\u606f\u3002<\/span> <span data-contrast=\"auto\">\u76ee\u524d\uff0c<\/span><span data-contrast=\"auto\">Worker <\/span><span data-contrast=\"auto\">\u7c7b\u6709\u4e00\u4e2a\u6784\u9020\u51fd\u6570\uff0c\u5b83\u5c06<\/span><span data-contrast=\"auto\">ILogger&lt;Worker&gt; <\/span><span data-contrast=\"auto\">\u5b9e\u4f8b\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u5c06\u5176\u5206\u914d\u7ed9\u76f8\u540c\u7c7b\u578b\u7684\u53ea\u8bfb\u5b57\u6bb5\u3002<\/span> <span data-contrast=\"auto\">\u6b64\u7c7b\u578b\u4fe1\u606f\u4f4d\u4e8e\u4e24\u4e2a\u4f4d\u7f6e\uff0c\u5373\u6784\u9020\u51fd\u6570\u7684\u5b9a\u4e49\u4e2d\uff0c\u4ee5\u53ca\u5b57\u6bb5\u672c\u8eab\u3002<\/span> <span data-contrast=\"auto\">\u8fd9\u662f<\/span><span data-contrast=\"auto\"> C# <\/span><span data-contrast=\"auto\">\u4ee3\u7801\u4e2d\u7684\u5e38\u89c1\u6a21\u5f0f\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\u8fdb\u884c\u7b80\u5316<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c<\/span><span data-contrast=\"auto\">Visual Studio Code <\/span><span data-contrast=\"auto\">\u4e2d\u4e0d\u63d0\u4f9b\u6b64\u7279\u5b9a\u529f\u80fd\u7684\u91cd\u6784\u5de5\u5177\uff0c\u4f46\u60a8\u53ef\u4ee5\u624b\u52a8\u91cd\u6784\u4e3b\u6784\u9020\u51fd\u6570\u3002<\/span> <span data-contrast=\"auto\">\u82e5\u8981\u5728<\/span><span data-contrast=\"auto\"> Visual Studio <\/span><span data-contrast=\"auto\">\u4e2d\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\u91cd\u6784\u6b64\u4ee3\u7801\uff0c\u53ef\u4ee5\u4f7f\u7528\u201c\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\uff08\u5e76\u5220\u9664\u5b57\u6bb5\uff09\u201d\u91cd\u6784\u9009\u9879\u3002<\/span> <span data-contrast=\"auto\">\u53f3\u952e\u5355\u51fb<\/span><span data-contrast=\"auto\"> Worker <\/span><span data-contrast=\"auto\">\u6784\u9020\u51fd\u6570\uff0c\u9009\u62e9\u201c\u5feb\u901f\u64cd\u4f5c\u548c\u91cd\u6784<\/span><span data-contrast=\"auto\">&#8230;<\/span><span data-contrast=\"auto\">\u201d\uff08\u6216\u6309<\/span><span data-contrast=\"auto\"> Ctrl + .<\/span><span data-contrast=\"auto\">\uff09\uff0c\u7136\u540e\u9009\u62e9\u201c\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\u201d\uff08\u5e76\u5220\u9664\u5b57\u6bb5\uff09<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u8bf7\u67e5\u770b\u4ee5\u4e0b\u89c6\u9891\uff0c\u6f14\u793a\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\u91cd\u6784\u529f\u80fd<\/span><span data-contrast=\"auto\">\uff1a<\/span><\/p>\n<p><div style=\"width: 1914px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-690-1\" width=\"1914\" height=\"1032\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-content\/uploads\/sites\/75\/2024\/05\/refactor-primary-ctor.mp4?_=1\" \/><a href=\"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-content\/uploads\/sites\/75\/2024\/05\/refactor-primary-ctor.mp4\">https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-content\/uploads\/sites\/75\/2024\/05\/refactor-primary-ctor.mp4<\/a><\/video><\/div><\/p>\n<p><span data-contrast=\"auto\">\u73b0\u5728\u751f\u6210\u7684\u4ee3\u7801\u7c7b\u4f3c\u4e8e\u4ee5\u4e0b<\/span><span data-contrast=\"auto\"> C# <\/span><span data-contrast=\"auto\">\u4ee3\u7801<\/span><span data-contrast=\"auto\">\uff1a<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<pre class=\"prettyprint language-default\"><code class=\"language-default\">namespace Example.Worker.Service\r\n{\r\n    public class Worker(ILogger&lt;Worker&gt; logger) : BackgroundService\r\n    {\r\n        protected override async Task ExecuteAsync(CancellationToken stoppingToken)\r\n        {\r\n            while (!stoppingToken.IsCancellationRequested)\r\n            {\r\n                if (logger.IsEnabled(LogLevel.Information))\r\n                {\r\n                    logger.LogInformation(\"Worker running at: {time}\", DateTimeOffset.Now);\r\n                }\r\n                await Task.Delay(1000, stoppingToken);\r\n            }\r\n        }\r\n    }\r\n}<\/code><\/pre>\n<p><span data-contrast=\"auto\">\u5c31\u8fd9\u6837\uff0c\u60a8\u5df2\u7ecf\u6210\u529f\u91cd\u6784\u4e86<\/span><span data-contrast=\"auto\"> Worker <\/span><span data-contrast=\"auto\">\u7c7b\u4ee5\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\uff01<\/span><span data-contrast=\"auto\"> ILogger&lt;Worker&gt; <\/span><span data-contrast=\"auto\">\u5b57\u6bb5\u5df2\u88ab\u5220\u9664\uff0c\u5e76\u4e14\u6784\u9020\u51fd\u6570\u5df2\u66ff\u6362\u4e3a\u4e3b\u6784\u9020\u51fd\u6570\u3002<\/span> <span data-contrast=\"auto\">\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\uff0c\u66f4\u5bb9\u6613\u9605\u8bfb\u3002<\/span> <span data-contrast=\"auto\">\u8bb0\u5f55\u5668\u5b9e\u4f8b\u73b0\u5728\u5728\u6574\u4e2a\u7c7b\u4e2d\u53ef\u7528\uff08\u56e0\u4e3a\u5b83\u5728\u8303\u56f4\u5185\uff09\uff0c\u800c\u4e0d\u9700\u8981\u5355\u72ec\u7684\u5b57\u6bb5\u58f0\u660e<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879<\/span><\/b><b><span data-contrast=\"auto\">\ud83e\udd14<\/span><\/b><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u4e3b\u6784\u9020\u51fd\u6570\u53ef\u4ee5\u5220\u9664\u5728\u6784\u9020\u51fd\u6570\u4e2d\u5206\u914d\u7684\u624b\u5199\u5b57\u6bb5\u58f0\u660e\uff0c\u4f46\u9700\u8981\u6ce8\u610f<\/span><span data-contrast=\"auto\">\u3002 <\/span><span data-contrast=\"auto\">\u5982\u679c\u60a8\u5c06\u5b57\u6bb5\u5b9a\u4e49\u4e3a\u53ea\u8bfb\uff0c\u90a3\u4e48\u5b83\u4eec\u5728\u529f\u80fd\u4e0a\u5e76\u4e0d\u5b8c\u5168\u7b49\u6548\uff0c\u56e0\u4e3a\u975e\u8bb0\u5f55\u7c7b\u578b\u7684\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570\u662f\u53ef\u53d8\u7684\u3002<\/span> <span data-contrast=\"auto\">\u56e0\u6b64\uff0c\u5f53\u60a8\u4f7f\u7528\u8fd9\u79cd\u91cd\u6784\u65b9\u6cd5\u65f6\uff0c\u8bf7\u6ce8\u610f\u60a8\u6b63\u5728\u66f4\u6539\u4ee3\u7801\u7684\u8bed\u4e49\u3002<\/span> <span data-contrast=\"auto\">\u5982\u679c\u8981\u4fdd\u6301\u53ea\u8bfb\u884c\u4e3a\uff0c\u8bf7\u5c31\u5730\u4f7f\u7528\u5b57\u6bb5\u58f0\u660e\u5e76\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570\u5206\u914d\u8be5\u5b57\u6bb5<\/span><span data-contrast=\"auto\">\uff1a<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<pre class=\"prettyprint language-default\"><code class=\"language-default\">namespace Example.Worker.Service;\r\n\r\npublic class Worker(ILogger&lt;Worker&gt; logger) : BackgroundService\r\n{\r\n    private readonly ILogger&lt;Worker&gt; _logger = logger;\r\n\r\n    protected override async Task ExecuteAsync(CancellationToken stoppingToken)\r\n    {\r\n        while (!stoppingToken.IsCancellationRequested)\r\n        {\r\n            if (_logger.IsEnabled(LogLevel.Information))\r\n            {\r\n                _logger.LogInformation(\"Worker running at: {time}\", DateTimeOffset.Now);\r\n            }\r\n            await Task.Delay(1000, stoppingToken);\r\n        }\r\n    }\r\n}<\/code><\/pre>\n<p><b><span data-contrast=\"auto\">\u5176\u4ed6\u6784\u9020\u51fd\u6570<\/span><\/b><b><span data-contrast=\"auto\">\ud83c\udd95<\/span><\/b><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u5f53\u60a8\u5b9a\u4e49\u4e3b\u6784\u9020\u51fd\u6570\u65f6\uff0c\u60a8\u4ecd\u7136\u53ef\u4ee5\u5b9a\u4e49\u5176\u4ed6\u6784\u9020\u51fd\u6570\u3002<\/span> <span data-contrast=\"auto\">\u7136\u800c\uff0c\u8fd9\u4e9b\u6784\u9020\u51fd\u6570\u5fc5\u987b<\/span> <span data-contrast=\"auto\">\u8c03\u7528\u4e3b\u6784\u9020\u51fd\u6570\u3002<\/span> <span data-contrast=\"auto\">\u8c03\u7528\u4e3b\u6784\u9020\u51fd\u6570\u53ef\u786e\u4fdd\u5728\u7c7b\u58f0\u660e\u4e2d\u7684\u6240\u6709\u4f4d\u7f6e\u8fdb\u884c\u521d\u59cb\u5316\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570<\/span><span data-contrast=\"auto\">\u3002 <\/span><span data-contrast=\"auto\">\u5982\u679c\u9700\u8981\u5b9a\u4e49\u5176\u4ed6\u6784\u9020\u51fd\u6570\uff0c\u5219\u5fc5\u987b\u4f7f\u7528<\/span><span data-contrast=\"auto\"> this <\/span><span data-contrast=\"auto\">\u5173\u952e\u5b57\u8c03\u7528\u4e3b\u6784\u9020\u51fd\u6570<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<pre class=\"prettyprint language-default\"><code class=\"language-default\">namespace Example.Worker.Service\r\n{\r\n    \/\/ Primary constructor\r\n    public class Worker(ILogger&lt;Worker&gt; logger) : BackgroundService\r\n    {\r\n        private readonly int _delayDuration = 1_000;\r\n\r\n        \/\/ Secondary constructor, calling the primary constructor\r\n        public Worker(ILogger&lt;Worker&gt; logger, int delayDuration) : this(logger)\r\n        {\r\n            _delayDuration = delayDuration;\r\n        }\r\n\r\n        \/\/ Omitted for brevity...\r\n    }\r\n}<\/code><\/pre>\n<p><span data-contrast=\"auto\">\u5e76\u4e0d\u603b\u662f\u9700\u8981\u989d\u5916\u7684\u6784\u9020\u51fd\u6570\u3002<\/span> <span data-contrast=\"auto\">\u8ba9\u6211\u4eec\u8fdb\u884c\u4e00\u4e9b\u989d\u5916\u7684\u91cd\u6784\u4ee5\u5305\u542b\u4e00\u4e9b\u5176\u4ed6\u529f\u80fd<\/span><span data-contrast=\"auto\">\uff01<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">\u989d\u5916\u91cd\u6784<\/span><\/b><b><span data-contrast=\"auto\">\ud83c\udf89<\/span><\/b><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u4e3b\u6784\u9020\u51fd\u6570\u975e\u5e38\u68d2\uff0c\u4f46\u662f\u6211\u4eec\u8fd8\u53ef\u4ee5\u505a\u66f4\u591a\u4e8b\u60c5\u6765\u6539\u8fdb\u4ee3\u7801<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">C# <\/span><span data-contrast=\"auto\">\u5305\u542b\u6587\u4ef6\u8303\u56f4\u7684\u547d\u540d\u7a7a\u95f4\u3002<\/span> <span data-contrast=\"auto\">\u5b83\u4eec\u662f\u51cf\u5c11\u5d4c\u5957\u7ea7\u522b\u548c\u63d0\u9ad8\u53ef\u8bfb\u6027\u7684\u91cd\u8981\u529f\u80fd<\/span><span data-contrast=\"auto\">\u3002 <\/span><span data-contrast=\"auto\">\u7ee7\u7eed\u524d\u9762\u7684\u793a\u4f8b\uff0c\u5c06\u5149\u6807\u653e\u5728\u547d\u540d\u7a7a\u95f4\u540d\u79f0\u7684\u672b\u5c3e\uff0c\u7136\u540e\u6309<\/span><span data-contrast=\"auto\"> ; <\/span><span data-contrast=\"auto\">\u952e\uff08<\/span><span data-contrast=\"auto\">Visual Studio Code <\/span><span data-contrast=\"auto\">\u4e0d\u652f\u6301\u6b64\u64cd\u4f5c\uff0c\u4f46\u60a8\u53ef\u4ee5\u624b\u52a8\u6267\u884c\u6b64\u64cd\u4f5c\uff09\u3002<\/span> <span data-contrast=\"auto\">\u8fd9\u4f1a\u5c06\u547d\u540d\u7a7a\u95f4\u8f6c\u6362\u4e3a\u6587\u4ef6\u8303\u56f4\u7684\u547d\u540d\u7a7a\u95f4<\/span><span data-contrast=\"auto\">\u3002<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u8bf7\u67e5\u770b\u4ee5\u4e0b\u6f14\u793a\u6b64\u529f\u80fd\u7684\u89c6\u9891<\/span><span data-contrast=\"auto\">\uff1a<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><div style=\"width: 1914px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-690-2\" width=\"1914\" height=\"1032\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-content\/uploads\/sites\/75\/2024\/05\/refactor-file-scope-ns.mp4?_=2\" \/><a href=\"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-content\/uploads\/sites\/75\/2024\/05\/refactor-file-scope-ns.mp4\">https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-content\/uploads\/sites\/75\/2024\/05\/refactor-file-scope-ns.mp4<\/a><\/video><\/div><\/p>\n<p><span data-contrast=\"auto\">\u7ecf\u8fc7\u4e00\u4e9b\u989d\u5916\u7684\u7f16\u8f91\uff0c\u6700\u7ec8\u7684\u91cd\u6784\u4ee3\u7801\u5982\u4e0b<\/span><span data-contrast=\"auto\">\uff1a<\/span><\/p>\n<pre class=\"prettyprint language-default\"><code class=\"language-default\">namespace Example.Worker.Service;\r\n\r\npublic sealed class Worker(ILogger&lt;Worker&gt; logger) : BackgroundService\r\n{\r\n    protected override async Task ExecuteAsync(CancellationToken stoppingToken)\r\n    {\r\n        while (!stoppingToken.IsCancellationRequested)\r\n        {\r\n            if (logger.IsEnabled(LogLevel.Information))\r\n            {\r\n                logger.LogInformation(\"Worker running at: {time}\", DateTimeOffset.Now);\r\n            }\r\n\r\n            await Task.Delay(1_000, stoppingToken);\r\n        }\r\n    }\r\n}<\/code><\/pre>\n<p><span data-contrast=\"auto\">\u9664\u4e86\u91cd\u6784\u6587\u4ef6\u8303\u56f4\u7684\u547d\u540d\u7a7a\u95f4\u4e4b\u5916\uff0c\u6211\u8fd8\u6dfb\u52a0\u4e86<\/span><span data-contrast=\"auto\"> seal <\/span><span data-contrast=\"auto\">\u4fee\u9970\u7b26\uff0c\u56e0\u4e3a\u5728\u591a\u79cd\u60c5\u51b5\u4e0b\u90fd\u6709\u6027\u80fd\u4e0a\u7684\u4f18\u52bf\u3002<\/span> <span data-contrast=\"auto\">\u6700\u540e\uff0c\u6211\u8fd8\u4f7f\u7528<\/span><a href=\"https:\/\/learn.microsoft.com\/en-us\/dotnet\/csharp\/language-reference\/builtin-types\/integral-numeric-types#integer-literals\"><span data-contrast=\"none\">\u6570\u5b57\u5206\u9694\u7b26\u529f\u80fd<\/span><\/a><span data-contrast=\"auto\">\u66f4\u65b0\u4e86\u4f20\u9012\u5230<\/span><span data-contrast=\"auto\"> Task.Delay <\/span><span data-contrast=\"auto\">\u7684\u6570\u5b57\u6587\u5b57\uff0c\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002<\/span> <span data-contrast=\"auto\">\u60a8\u77e5\u9053\u8fd8\u6709\u5f88\u591a\u65b9\u6cd5\u53ef\u4ee5\u7b80\u5316\u60a8\u7684\u4ee3\u7801\u5417\uff1f<\/span> <span data-contrast=\"auto\">\u67e5\u770b<\/span> <a href=\"https:\/\/learn.microsoft.com\/en-us\/dotnet\/csharp\/whats-new\/csharp-13\"><span data-contrast=\"auto\">C# <\/span><span data-contrast=\"none\">\u4e2d\u7684\u65b0\u589e\u529f\u80fd<\/span><\/a><span data-contrast=\"auto\">\u4ee5\u4e86\u89e3\u66f4\u591a\u4fe1\u606f<\/span><span data-contrast=\"auto\">\uff01<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">\u540e\u7eed\u6b65\u9aa4<\/span><\/b><b><span data-contrast=\"auto\">\ud83d\ude80<\/span><\/b><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u5728\u60a8\u81ea\u5df1\u7684\u4ee3\u7801\u4e2d\u5c1d\u8bd5\u4e00\u4e0b\uff01<\/span> <span data-contrast=\"auto\">\u5bfb\u627e\u673a\u4f1a\u4f7f\u7528\u4e3b\u6784\u9020\u51fd\u6570\u91cd\u6784\u4ee3\u7801\uff0c\u5e76\u4e86\u89e3\u5b83\u5982\u4f55\u7b80\u5316\u60a8\u7684\u4ee3\u7801\u5e93\u3002<\/span> <span data-contrast=\"auto\">\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f<\/span><span data-contrast=\"auto\"> Visual Studio<\/span><span data-contrast=\"auto\">\uff0c\u8bf7\u67e5\u770b\u91cd\u6784\u5de5\u5177\u3002<\/span> <span data-contrast=\"auto\">\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f<\/span><span data-contrast=\"auto\"> Visual Studio Code<\/span><span data-contrast=\"auto\">\uff0c\u60a8\u53ef\u4ee5\u624b\u52a8\u91cd\u6784\u3002<\/span> <span data-contrast=\"auto\">\u82e5\u8981\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u6d4f\u89c8\u4ee5\u4e0b\u8d44\u6e90<\/span><span data-contrast=\"auto\">\uff1a<\/span><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:860,&quot;335559991&quot;:440,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/learn.microsoft.com\/en-us\/dotnet\/csharp\/whats-new\/tutorials\/primary-constructors\"><span data-contrast=\"auto\">C# 12 <\/span><span data-contrast=\"none\">\u4e2d\u7684\u4e3b\u6784\u9020\u51fd\u6570<\/span><\/a><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:860,&quot;335559991&quot;:440,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><a href=\"https:\/\/learn.microsoft.com\/en-us\/visualstudio\/ide\/quick-actions?view=vs-2022\"><span data-contrast=\"auto\">Visual Studio<\/span><span data-contrast=\"none\">\uff1a\u5176\u4ed6\u5feb\u901f\u64cd\u4f5c<\/span><\/a><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:860,&quot;335559991&quot;:440,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"3\" data-aria-level=\"1\"><a href=\"https:\/\/code.visualstudio.com\/docs\/csharp\/refactoring\"><span data-contrast=\"auto\">Visual Studio Code\uff1aC# <\/span><span data-contrast=\"none\">\u5feb\u901f\u64cd\u4f5c\u548c\u91cd\u6784<\/span><\/a><span data-ccp-props=\"{&quot;134245417&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li>\n<\/ul>\n<p>\u5982\u679c\u60a8\u6709\u4efb\u4f55\u6280\u672f\u95ee\u9898\uff0c\u6b22\u8fce\u6765<a href=\"https:\/\/learn.microsoft.com\/zh-cn\/answers\/tags\/309\/csharp\">Microsoft Q&amp;A<\/a> \u63d0\u95ee\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u7ffb\u8bd1\u4e8eDavid Pine\u7684\u8fd9\u7bc7\u6587\u7ae0\uff1aRefactor your C# code with primary constructors \u4f5c\u4e3a .NET 8 \u4e00\u90e8\u5206\u7684 C# 12 \u5f15\u5165\u4e86\u4e00\u7ec4\u5f15\u4eba\u6ce8\u76ee\u7684\u65b0\u529f\u80fd\uff01 \u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u5176\u4e2d\u4e00\u4e2a\u529f\u80fd\uff0c\u7279\u522b\u662f\u4e3b\u6784\u9020\u51fd\u6570\uff0c\u89e3\u91ca\u5176\u7528\u6cd5\u548c\u76f8\u5173\u6027\u3002 \u7136\u540e\uff0c\u6211\u4eec\u5c06\u6f14\u793a\u4e00\u4e2a\u91cd\u6784\u793a\u4f8b\uff0c\u4ee5\u5c55\u793a\u5982\u4f55\u5c06\u5176\u5e94\u7528\u5230\u60a8\u7684\u4ee3\u7801\u4e2d\uff0c\u5e76\u8ba8\u8bba\u5176\u597d\u5904\u548c\u6f5c\u5728\u7684\u7f3a\u9677\u3002 \u8fd9\u5c06\u5e2e\u52a9\u60a8\u4e86\u89e3\u8fd9\u4e00\u66f4\u6539\u7684\u5f71\u54cd\u5e76\u6709\u52a9\u4e8e\u60a8\u51b3\u5b9a\u662f\u5426\u91c7\u7528\u8be5\u529f\u80fd\u3002\u00a0 \u4e3b\u6784\u9020\u51fd\u65701\ufe0f\u20e3\u00a0 \u4e3b\u6784\u9020\u51fd\u6570\u88ab\u8ba4\u4e3a\u662f\u4e00\u9879\u201cC#\u65e5\u5e38\u201d\u7684\u5f00\u53d1\u4eba\u5458\u529f\u80fd\u3002 \u5b83\u4eec\u5141\u8bb8\u60a8\u5728\u4e00\u4e2a\u7b80\u6d01\u7684\u58f0\u660e\u4e2d\u5b9a\u4e49\u7c7b\u6216\u7ed3\u6784\u53ca\u5176\u6784\u9020\u51fd\u6570\u3002 \u8fd9\u53ef\u4ee5\u5e2e\u52a9\u60a8\u51cf\u5c11\u9700\u8981\u7f16\u5199\u7684\u6837\u677f\u4ee3\u7801\u91cf\u3002 \u5982\u679c\u60a8\u4e00\u76f4\u5728\u5173\u6ce8 C# \u7248\u672c\uff0c\u60a8\u53ef\u80fd\u719f\u6089\u8bb0\u5f55\u7c7b\u578b\uff0c\u5176\u4e2d\u5305\u62ec\u4e3b\u6784\u9020\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u793a\u4f8b\u3002\u00a0 \u4e0e\u8bb0\u5f55\u7c7b\u578b\u7684\u533a\u522b\u00a0 \u8bb0\u5f55\u7c7b\u578b\u4f5c\u4e3a\u7c7b\u6216\u7ed3\u6784\u7684\u7c7b\u578b\u4fee\u9970\u7b26\u5f15\u5165\uff0c\u8fd9\u7b80\u5316\u4e86\u6784\u5efa\u7b80\u5355\u7c7b\uff08\u5982\u6570\u636e\u5bb9\u5668\uff09\u7684\u8bed\u6cd5\u3002 \u8bb0\u5f55\u53ef\u4ee5\u5305\u62ec\u4e3b\u6784\u9020\u51fd\u6570\u3002 \u8be5\u6784\u9020\u51fd\u6570\u4e0d\u4ec5\u751f\u6210\u4e00\u4e2a\u652f\u6301\u5b57\u6bb5\uff0c\u800c\u4e14\u8fd8\u4e3a\u6bcf\u4e2a\u53c2\u6570\u516c\u5f00\u4e00\u4e2a\u516c\u5171\u5c5e\u6027\u3002 \u4e0e\u4f20\u7edf\u7684\u7c7b\u6216\u7ed3\u6784\u7c7b\u578b\u4e0d\u540c\uff0c\u5728\u4f20\u7edf\u7684\u7c7b\u6216\u7ed3\u6784\u7c7b\u578b\u4e2d\uff0c\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u5728\u6574\u4e2a\u7c7b\u5b9a\u4e49\u4e2d\u8bbf\u95ee\uff0c\u800c\u8bb0\u5f55\u88ab\u8bbe\u8ba1\u4e3a\u900f\u660e\u7684\u6570\u636e\u5bb9\u5668\u3002 \u4ed6\u4eec\u672c\u8d28\u4e0a\u652f\u6301\u57fa\u4e8e\u503c\u7684\u76f8\u7b49\uff0c\u8fd9\u4e0e\u4ed6\u4eec\u4f5c\u4e3a\u6570\u636e\u6301\u6709\u8005\u7684\u9884\u671f\u89d2\u8272\u76f8\u4e00\u81f4\u3002 \u56e0\u6b64\uff0c\u5b83\u4eec\u7684\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u4f5c\u4e3a\u5c5e\u6027\u8bbf\u95ee\u662f\u5408\u4e4e\u903b\u8f91\u7684\u3002\u00a0 \u91cd\u6784\u793a\u4f8b\u2728\u00a0 .NET \u63d0\u4f9b\u4e86\u8bb8\u591a\u6a21\u677f\uff0c\u5982\u679c\u60a8\u66fe\u7ecf\u521b\u5efa\u8fc7Worker Service\uff0c\u60a8\u53ef\u80fd\u89c1\u8fc7\u4ee5\u4e0bWorker\u7c7b\u6a21\u677f\u4ee3\u7801\uff1a\u00a0 namespace Example.Worker.Service { public class Worker : BackgroundService { private readonly ILogger&lt;Worker&gt; _logger; public Worker(ILogger&lt;Worker&gt; logger) { _logger = [&hellip;]<\/p>\n","protected":false},"author":99475,"featured_media":697,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[2,10],"class_list":["post-690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dotnet-ch","tag-net","tag-c"],"acf":[],"blog_post_summary":"<p>\u672c\u6587\u7ffb\u8bd1\u4e8eDavid Pine\u7684\u8fd9\u7bc7\u6587\u7ae0\uff1aRefactor your C# code with primary constructors \u4f5c\u4e3a .NET 8 \u4e00\u90e8\u5206\u7684 C# 12 \u5f15\u5165\u4e86\u4e00\u7ec4\u5f15\u4eba\u6ce8\u76ee\u7684\u65b0\u529f\u80fd\uff01 \u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u5176\u4e2d\u4e00\u4e2a\u529f\u80fd\uff0c\u7279\u522b\u662f\u4e3b\u6784\u9020\u51fd\u6570\uff0c\u89e3\u91ca\u5176\u7528\u6cd5\u548c\u76f8\u5173\u6027\u3002 \u7136\u540e\uff0c\u6211\u4eec\u5c06\u6f14\u793a\u4e00\u4e2a\u91cd\u6784\u793a\u4f8b\uff0c\u4ee5\u5c55\u793a\u5982\u4f55\u5c06\u5176\u5e94\u7528\u5230\u60a8\u7684\u4ee3\u7801\u4e2d\uff0c\u5e76\u8ba8\u8bba\u5176\u597d\u5904\u548c\u6f5c\u5728\u7684\u7f3a\u9677\u3002 \u8fd9\u5c06\u5e2e\u52a9\u60a8\u4e86\u89e3\u8fd9\u4e00\u66f4\u6539\u7684\u5f71\u54cd\u5e76\u6709\u52a9\u4e8e\u60a8\u51b3\u5b9a\u662f\u5426\u91c7\u7528\u8be5\u529f\u80fd\u3002\u00a0 \u4e3b\u6784\u9020\u51fd\u65701\ufe0f\u20e3\u00a0 \u4e3b\u6784\u9020\u51fd\u6570\u88ab\u8ba4\u4e3a\u662f\u4e00\u9879\u201cC#\u65e5\u5e38\u201d\u7684\u5f00\u53d1\u4eba\u5458\u529f\u80fd\u3002 \u5b83\u4eec\u5141\u8bb8\u60a8\u5728\u4e00\u4e2a\u7b80\u6d01\u7684\u58f0\u660e\u4e2d\u5b9a\u4e49\u7c7b\u6216\u7ed3\u6784\u53ca\u5176\u6784\u9020\u51fd\u6570\u3002 \u8fd9\u53ef\u4ee5\u5e2e\u52a9\u60a8\u51cf\u5c11\u9700\u8981\u7f16\u5199\u7684\u6837\u677f\u4ee3\u7801\u91cf\u3002 \u5982\u679c\u60a8\u4e00\u76f4\u5728\u5173\u6ce8 C# \u7248\u672c\uff0c\u60a8\u53ef\u80fd\u719f\u6089\u8bb0\u5f55\u7c7b\u578b\uff0c\u5176\u4e2d\u5305\u62ec\u4e3b\u6784\u9020\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u793a\u4f8b\u3002\u00a0 \u4e0e\u8bb0\u5f55\u7c7b\u578b\u7684\u533a\u522b\u00a0 \u8bb0\u5f55\u7c7b\u578b\u4f5c\u4e3a\u7c7b\u6216\u7ed3\u6784\u7684\u7c7b\u578b\u4fee\u9970\u7b26\u5f15\u5165\uff0c\u8fd9\u7b80\u5316\u4e86\u6784\u5efa\u7b80\u5355\u7c7b\uff08\u5982\u6570\u636e\u5bb9\u5668\uff09\u7684\u8bed\u6cd5\u3002 \u8bb0\u5f55\u53ef\u4ee5\u5305\u62ec\u4e3b\u6784\u9020\u51fd\u6570\u3002 \u8be5\u6784\u9020\u51fd\u6570\u4e0d\u4ec5\u751f\u6210\u4e00\u4e2a\u652f\u6301\u5b57\u6bb5\uff0c\u800c\u4e14\u8fd8\u4e3a\u6bcf\u4e2a\u53c2\u6570\u516c\u5f00\u4e00\u4e2a\u516c\u5171\u5c5e\u6027\u3002 \u4e0e\u4f20\u7edf\u7684\u7c7b\u6216\u7ed3\u6784\u7c7b\u578b\u4e0d\u540c\uff0c\u5728\u4f20\u7edf\u7684\u7c7b\u6216\u7ed3\u6784\u7c7b\u578b\u4e2d\uff0c\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u5728\u6574\u4e2a\u7c7b\u5b9a\u4e49\u4e2d\u8bbf\u95ee\uff0c\u800c\u8bb0\u5f55\u88ab\u8bbe\u8ba1\u4e3a\u900f\u660e\u7684\u6570\u636e\u5bb9\u5668\u3002 \u4ed6\u4eec\u672c\u8d28\u4e0a\u652f\u6301\u57fa\u4e8e\u503c\u7684\u76f8\u7b49\uff0c\u8fd9\u4e0e\u4ed6\u4eec\u4f5c\u4e3a\u6570\u636e\u6301\u6709\u8005\u7684\u9884\u671f\u89d2\u8272\u76f8\u4e00\u81f4\u3002 \u56e0\u6b64\uff0c\u5b83\u4eec\u7684\u4e3b\u6784\u9020\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u4f5c\u4e3a\u5c5e\u6027\u8bbf\u95ee\u662f\u5408\u4e4e\u903b\u8f91\u7684\u3002\u00a0 \u91cd\u6784\u793a\u4f8b\u2728\u00a0 .NET \u63d0\u4f9b\u4e86\u8bb8\u591a\u6a21\u677f\uff0c\u5982\u679c\u60a8\u66fe\u7ecf\u521b\u5efa\u8fc7Worker Service\uff0c\u60a8\u53ef\u80fd\u89c1\u8fc7\u4ee5\u4e0bWorker\u7c7b\u6a21\u677f\u4ee3\u7801\uff1a\u00a0 namespace Example.Worker.Service { public class Worker : BackgroundService { private readonly ILogger&lt;Worker&gt; _logger; public Worker(ILogger&lt;Worker&gt; logger) { _logger = [&hellip;]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/posts\/690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/users\/99475"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/comments?post=690"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/posts\/690\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/media\/697"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/media?parent=690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/categories?post=690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/tags?post=690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}