{"id":413,"date":"2023-07-07T03:00:38","date_gmt":"2023-07-07T10:00:38","guid":{"rendered":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/?p=413"},"modified":"2023-07-27T19:01:36","modified_gmt":"2023-07-28T02:01:36","slug":"net-8-preview-5-%e4%b8%ad%e7%9a%84-asp-net-core-%e6%9b%b4%e6%96%b0","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/net-8-preview-5-%e4%b8%ad%e7%9a%84-asp-net-core-%e6%9b%b4%e6%96%b0\/","title":{"rendered":".NET 8 Preview 5 \u4e2d\u7684 ASP.NET Core \u66f4\u65b0"},"content":{"rendered":"<p style=\"text-align: center;\"><em>\u4f5c\u8005\uff1aDaniel Roth\u00a0 \u00a0<\/em><em style=\"font-size: 1rem; text-align: var(--bs-body-text-align);\">\u539f\u6587\uff1a<a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-5\/\">ASP.NET Core updates in .NET 8 Preview 5 &#8211; .NET Blog (microsoft.com)<\/a><\/em><\/p>\n<p><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/announcing-dotnet-8-preview-5\">.NET 8 Preview 5 \u73b0\u5728\u5df2\u7ecf\u53d1\u5e03<\/a>\uff0c\u5176\u4e2d\u5305\u62ec\u4e86\u5bf9 ASP.NET Core \u7684\u8bb8\u591a\u91cd\u8981\u66f4\u65b0\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u9884\u89c8\u7248\u672c\u4e2d\u65b0\u589e\u529f\u80fd\u7684\u6458\u8981\uff1a<\/p>\n<ul>\n<li>\u6539\u8fdb\u4e86NET Core\u8c03\u8bd5\u4f53\u9a8c<\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-5\/#servers\">\u670d\u52a1\u5668\u548c\u4e2d\u95f4\u4ef6<\/a>\n<ul>\n<li><span style=\"color: #993300;\">IHttpSysRequestTimingFeature<\/span><\/li>\n<li><span style=\"color: #993300;\">ITlsHandshakeFeature<\/span> \u4e2d\u7684 SNI \u4e3b\u673a\u540d<\/li>\n<li><span style=\"color: #993300;\">IExceptionHandler<\/span><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-5\/#blazor\">Blazor<\/a>\n<ul>\n<li>\u65b0\u7684 Blazor Web App\u9879\u76ee\u6a21\u677f<\/li>\n<li>Blazor \u8def\u7531\u4e0e\u7aef\u70b9\u8def\u7531\u7684\u96c6\u6210<\/li>\n<li>\u4f7f\u7528Blazor Server\u542f\u7528\u5404\u4e2a\u7ec4\u4ef6\u7684\u4ea4\u4e92\u6027<\/li>\n<li>\u6539\u8fdb\u4e86 Webcil \u6587\u4ef6\u7684\u6253\u5305<\/li>\n<li>Blazor \u5185\u5bb9\u5b89\u5168\u7b56\u7565 (Content Security Policy, CSP)\u7684\u517c\u5bb9\u6027<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-5\/#api-authoring\">API\u7f16\u5199<\/a>\n<ul>\n<li>\u652f\u6301\u6cdb\u578b\u5c5e\u6027<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-5\/#signalr\">SignalR<\/a>\n<ul>\n<li>SignalR \u65e0\u7f1d\u91cd\u8fde<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-5\/#native-aot\">Native AOT<\/a>\n<ul>\n<li>\u5728\u7f16\u8bd1\u65f6\u751f\u6210\u7684\u6700\u5c0fAPI\u4e2d\u652f\u6301<span style=\"color: #993300;\">AsParameters<\/span>\u548c\u81ea\u52a8\u751f\u6210\u5143\u6570\u636e<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-5\/#auth\">\u8ba4\u8bc1\u4e0e\u6388\u6743<\/a>\n<ul>\n<li>NET Core SPA \u6a21\u677f\u4e2d\u7684\u8eab\u4efd\u9a8c\u8bc1\u66f4\u65b0<\/li>\n<li>\u7528\u4e8e\u63a8\u8350 <span style=\"color: #993300;\">AuthorizationBuilder<\/span> \u7528\u6cd5\u7684\u65b0\u5206\u6790\u5668<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u6709\u5173\u4e3a.NET 8 \u7684 ASP.NET Core \u00a0\u89c4\u5212\u7684\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 GitHub \u4e0a\u7684<a href=\"https:\/\/aka.ms\/aspnet\/roadmap\"> .NET 8 \u7684\u5b8c\u6574ASP.NET Core \u8def\u7ebf\u56fe<\/a>\u3002<\/p>\n<h3><strong>\u5165\u95e8<\/strong><\/h3>\n<p>\u5982\u679c\u60a8\u60f3\u8981\u5728.NET 8 Preview 5 \u4e2d\u4f7f\u7528 ASP.NET Core\uff0c\u8bf7<a href=\"https:\/\/dotnet.microsoft.com\/zh-cn\/next\">\u5b89\u88c5 .NET 8 SDK<\/a>\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5728 Windows \u4e0a\u4f7f\u7528 Visual Studio\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u5b89\u88c5\u6700\u65b0\u7684<a href=\"https:\/\/visualstudio.com\/preview\">Visual Studio 2022 \u9884\u89c8\u7248<\/a>\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f Visual Studio Code\uff0c\u90a3\u4e48\u53ef\u4ee5\u5c1d\u8bd5\u65b0\u7684<a href=\"https:\/\/devblogs.microsoft.com\/visualstudio\/announcing-csharp-dev-kit-for-visual-studio-code\/\">C# \u5f00\u53d1\u5de5\u5177\u5305<\/a>\u3002Visual Studio for Mac \u76ee\u524d\u4e0d\u652f\u6301 .NET 8 \u9884\u89c8\u7248\u3002<\/p>\n<h3><strong>\u5347\u7ea7\u73b0\u6709\u9879\u76ee<\/strong><\/h3>\n<p>\u82e5\u8981\u5c06\u73b0\u6709 ASP.NET Core \u5e94\u7528\u7a0b\u5e8f\u4ece .NET 8 Preview 4 \u5347\u7ea7\u5230 .NET 8 Preview 5\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li>\u5c06\u5e94\u7528\u7a0b\u5e8f\u7684\u76ee\u6807\u6846\u67b6\u66f4\u65b0\u4e3a <span style=\"color: #993300;\">.NET 8.0<\/span>\u3002<\/li>\n<li>\u5c06\u6240\u6709AspNetCore.* \u5305\u5f15\u7528\u66f4\u65b0\u4e3a<span style=\"color: #993300;\">8.0.0-preview.5.*<\/span>\u3002<\/li>\n<li>\u5c06\u6240\u6709Extensions.* \u5305\u5f15\u7528\u66f4\u65b0\u4e3a<span style=\"color: #993300;\">8.0.0-preview.5.*<\/span>\u3002<\/li>\n<\/ul>\n<p>\u5177\u4f53\u4fe1\u606f\u8bf7\u53c2\u9605.NET 8 \u7684 ASP.NET Core<a href=\"https:\/\/learn.microsoft.com\/zh-cn\/dotnet\/core\/compatibility\/8.0#aspnet-core\">\u91cd\u8981\u66f4\u65b0<\/a>\u7684\u5b8c\u6574\u5217\u8868\u3002<\/p>\n<h3><strong>\u6539\u8fdb\u4e86<\/strong><strong> ASP.NET Core <\/strong><strong>\u8c03\u8bd5\u4f53\u9a8c<\/strong><\/h3>\n<p>.NET 8 Preview 5 \u5f15\u5165\u4e86\u5bf9 ASP.NET Core \u8c03\u8bd5\u7684\u91cd\u8981\u66f4\u65b0\u3002\u6211\u4eec\u6dfb\u52a0\u4e86<a href=\"https:\/\/learn.microsoft.com\/zh-cn\/visualstudio\/debugger\/using-the-debuggerdisplay-attribute?view=vs-2022\">\u8c03\u8bd5\u81ea\u5b9a\u4e49\u5c5e\u6027<\/a>\uff0c\u4ee5\u4fbf\u66f4\u8f7b\u677e\u5730\u5728 IDE \u7684\u8c03\u8bd5\u5668\u4e2d\u67e5\u627e\u6709\u5173 <span style=\"color: #993300;\">HttpContext<\/span>\u3001<span style=\"color: #993300;\">HttpRequest<\/span>\u3001<span style=\"color: #993300;\">HttpResponse<\/span> \u548c <span style=\"color: #993300;\">ClaimsPrincipal<\/span> \u7b49\u7c7b\u578b\u7684\u91cd\u8981\u4fe1\u606f\u3002<\/p>\n<p><strong>.NET 7<\/strong><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/dotnet\/wp-content\/uploads\/sites\/10\/2023\/06\/httpcontext-debugging-before.png\" alt=\"ASP.NET Core debugging before\" \/><\/p>\n<p><strong>.NET 8<\/strong><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/dotnet\/wp-content\/uploads\/sites\/10\/2023\/06\/httpcontext-debugging-after.png\" alt=\"ASP.NET Core debugging after\" \/><\/p>\n<p>\u6211\u4eec\u5e0c\u671b\u4e0d\u65ad\u6539\u8fdb ASP.NET Core \u8c03\u8bd5\u3002\u5982\u679c\u60a8\u5bf9\u5176\u4ed6\u5e38\u7528\u6216\u96be\u4ee5\u8c03\u8bd5\u7684\u7c7b\u578b\u6709\u5efa\u8bae\uff0c\u8bf7\u5728\u8bc4\u8bba\u533a\u6216\u5728<a href=\"https:\/\/github.com\/dotnet\/aspnetcore\/issues\/48205\">aspnetcore GitHub \u5b58\u50a8\u5e93<\/a>\u4e2d\u544a\u8bc9\u6211\u4eec\u3002<\/p>\n<h3><strong>\u670d\u52a1\u5668\u548c\u4e2d\u95f4\u4ef6<\/strong><\/h3>\n<h4><span style=\"color: #993300;\">IHttpSysRequestTimingFeature<\/span><\/h4>\n<p>\u65b0\u7684<span style=\"color: #993300;\">IHttpSysRequestTimingFeature<\/span>\u63a5\u53e3\u516c\u5f00\u4e86\u4f7f\u7528 HTTP.sys \u670d\u52a1\u5668\u65f6\u4e0e\u8bf7\u6c42\u5904\u7406\u76f8\u5173\u7684\u8be6\u7ec6\u65f6\u95f4\u6233\u6570\u636e\u3002<\/p>\n<p>\u4ee5\u524d\uff0cHTTP.sys \u8bf7\u6c42\u4fe1\u606f\u662f\u901a\u8fc7<span style=\"color: #993300;\">IHttpSysRequestInfoFeature<\/span>\u63d0\u4f9b\u7684\u3002<\/p>\n<p>\u968f\u7740<span style=\"color: #993300;\">IHttpSysRequestTimingFeature<\/span> \u63a5\u53e3\u7684\u6dfb\u52a0\uff0c\u6211\u4eec\u7684\u76ee\u6807\u662f\u5b9a\u4e49\u66f4\u660e\u786e\u7684API\uff0c\u8fd9\u4e9bAPI\u53ef\u4ee5\u4e3a\u8bf7\u6c42\u8ba1\u65f6\u6570\u636e\u63d0\u4f9b\u66f4\u597d\u7684\u652f\u6301\u3002<\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-csharp prettyprinted\"><span class=\"kwd\">namespace<\/span> <span class=\"typ\">Microsoft<\/span><span class=\"pun\">.<\/span><span class=\"typ\">AspNetCore<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Server<\/span><span class=\"pun\">.<\/span><span class=\"typ\">HttpSys<\/span>\r\n<span class=\"pun\">{<\/span>\r\n    <span class=\"kwd\">public<\/span> <span class=\"kwd\">interface<\/span> <span class=\"typ\">IHttpSysRequestTimingFeature<\/span>\r\n    <span class=\"pun\">{<\/span>\r\n        <span class=\"typ\">ReadOnlySpan<\/span><span class=\"str\">&lt;long&gt;<\/span> <span class=\"typ\">Timestamps<\/span> <span class=\"pun\">{<\/span> <span class=\"kwd\">get<\/span><span class=\"pun\">;<\/span> <span class=\"pun\">}<\/span>\r\n        <span class=\"kwd\">bool<\/span> <span class=\"typ\">TryGetTimestamp<\/span><span class=\"pun\">(<\/span><span class=\"typ\">HttpSysRequestTimingType<\/span><span class=\"pln\"> timestampType<\/span><span class=\"pun\">,<\/span> <span class=\"kwd\">out<\/span> <span class=\"kwd\">long<\/span><span class=\"pln\"> timestamp<\/span><span class=\"pun\">);<\/span>\r\n        <span class=\"kwd\">bool<\/span> <span class=\"typ\">TryGetElapsedTime<\/span><span class=\"pun\">(<\/span><span class=\"typ\">HttpSysRequestTimingType<\/span><span class=\"pln\"> startingTimestampType<\/span><span class=\"pun\">,<\/span> <span class=\"typ\">HttpSysRequestTimingType<\/span><span class=\"pln\"> endingTimestampType<\/span><span class=\"pun\">,<\/span> <span class=\"kwd\">out<\/span> <span class=\"typ\">TimeSpan<\/span><span class=\"pln\"> elapsed<\/span><span class=\"pun\">);<\/span>\r\n    <span class=\"pun\">}<\/span>\r\n<span class=\"pun\">}<\/span><\/code><\/pre>\n<p><span style=\"color: #993300;\">Timestamps<\/span> \u5c5e\u6027\u5141\u8bb8\u8bbf\u95ee\u6240\u6709 HTTP.sys \u8ba1\u65f6\u65f6\u95f4\u6233\u3002 \u8fd9\u4e9b\u65f6\u95f4\u6233\u53ef\u4ee5\u901a\u8fc7<span style=\"color: #993300;\">QueryPerformanceCounter<\/span> \u83b7\u5f97\uff0c\u65f6\u95f4\u6233\u9891\u7387\u53ef\u4ee5\u901a\u8fc7 <span style=\"color: #993300;\">QueryPerformanceFrequency<\/span> \u786e\u5b9a\u3002<\/p>\n<p>TryGetTimestamp\u65b9\u6cd5\u68c0\u7d22\u4e3a\u63d0\u4f9b\u7684\u8ba1\u65f6\u7c7b\u578b\u68c0\u7d22\u65f6\u95f4\u6233\uff0c\u800cTryGetElapsedTime\u65b9\u6cd5\u7ed9\u51fa\u4e24\u4e2a\u6307\u5b9a\u8ba1\u65f6\u4e4b\u95f4\u7ecf\u8fc7\u7684\u65f6\u95f4\u3002<\/p>\n<p>\u6b64\u589e\u5f3a\u529f\u80fd\u4e3a\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\uff1a<\/p>\n<ul>\n<li>\u8bf7\u6c42\u5904\u7406\u5404\u4e2a\u9636\u6bb5\u7684\u66f4\u4e3a\u7ec6\u81f4\u7684\u7406\u89e3\u3002<\/li>\n<li>\u7cbe\u786e\u7684\u6027\u80fd\u8bca\u65ad\u80fd\u529b\u3002<\/li>\n<li>\u6539\u8fdb\u4e86\u5bf9sys \u8bf7\u6c42\u8ba1\u65f6\u6570\u636e\u7684\u8bbf\u95ee\u548c\u63a7\u5236\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u8feb\u4e0d\u53ca\u5f85\u5730\u5e0c\u671b\u770b\u5230\u8fd9\u79cd\u5bf9 HTTP.sys \u8ba1\u65f6\u4fe1\u606f\u7684\u9ad8\u7ea7\u8bbf\u95ee\u80fd\u591f\u5e2e\u52a9\u4f18\u5316\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u5e76\u6539\u5584\u60a8\u7684\u8bca\u65ad\u4f53\u9a8c\u3002<\/p>\n<h3><span style=\"color: #993300;\"><strong>ITlsHandshakeFeature<\/strong> <\/span><strong>\u4e2d\u7684<\/strong><strong> SNI <\/strong><strong>\u4e3b\u673a\u540d<\/strong><\/h3>\n<p>\u670d\u52a1\u5668\u540d\u79f0\u6307\u793a (SNI) \u4e3b\u673a\u540d\u73b0\u5728\u5728ITlsHandshakeFeature\u63a5\u53e3\u4e2d\u516c\u5f00\u3002<\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-csharp prettyprinted\"><span class=\"com\">\/\/\/ &lt;summary&gt;<\/span>\r\n<span class=\"com\">\/\/\/ Gets the host name from the \"server_name\" (SNI) extension of the client hello if present.<\/span>\r\n<span class=\"com\">\/\/\/ See &lt;see href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc6066#section-3\"&gt;RFC 6066&lt;\/see&gt;.<\/span>\r\n<span class=\"com\">\/\/\/ &lt;\/summary&gt;<\/span>\r\n<span class=\"kwd\">string<\/span><span class=\"pun\">?<\/span> <span class=\"typ\">HostName<\/span> <span class=\"pun\">=&gt;<\/span> <span class=\"kwd\">null<\/span><span class=\"pun\">;<\/span><\/code><\/pre>\n<p><code><\/code><code><\/code><\/p>\n<p>SNI \u662f TLS \u63e1\u624b\u8fc7\u7a0b\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u5141\u8bb8\u5ba2\u6237\u7aef\u6307\u5b9a\u4ed6\u4eec\u5c1d\u8bd5\u8fde\u63a5\u7684\u4e3b\u673a\u540d\u3002\u8fd9\u4f7f\u5f97\u6258\u7ba1\u591a\u4e2a\u865a\u62df\u4e3b\u673a\u6216\u57df\u7684\u670d\u52a1\u5668\u80fd\u591f\u5728\u63e1\u624b\u8fc7\u7a0b\u4e2d\u63d0\u4f9b\u6b63\u786e\u7684\u5b89\u5168\u8bc1\u4e66\u3002\u901a\u5e38\uff0cSNI \u4ec5\u5728 TLS \u5806\u6808\u4e2d\u5904\u7406\u5e76\u7528\u4e8e\u9009\u62e9\u5339\u914d\u7684\u8bc1\u4e66\uff0c\u4f46\u901a\u8fc7\u516c\u5f00\u5b83\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5176\u4ed6\u7ec4\u4ef6\u53ef\u4ee5\u4f7f\u7528\u8be5\u4fe1\u606f\u8fdb\u884c\u8bca\u65ad\u3001\u901f\u7387\u9650\u5236\u3001\u8def\u7531\u3001\u8ba1\u8d39\u7b49\u3002<\/p>\n<p>\u516c\u5f00\u4e3b\u673a\u540d\u5bf9\u4e8e\u7ba1\u7406\u6570\u5343\u4e2a SNI \u7ed1\u5b9a\u7684\u5927\u578b\u670d\u52a1\u7279\u522b\u6709\u7528\u3002\u6b64\u529f\u80fd\u5141\u8bb8\u60a8\u5728 TLS \u63e1\u624b\u671f\u95f4\u6df1\u5165\u4e86\u89e3\u6240\u9009\u7684 SNI\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u5ba2\u6237\u5347\u7ea7\u671f\u95f4\u7684\u8c03\u8bd5\u80fd\u529b\u3002\u8fd9\u79cd\u900f\u660e\u5ea6\u7684\u63d0\u9ad8\uff0c\u4f7f\u5f97\u95ee\u9898\u89e3\u51b3\u5f97\u66f4\u8fc5\u901f\u5e76\u4e14\u589e\u5f3a\u4e86\u670d\u52a1\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p>\u611f\u8c22<a href=\"https:\/\/github.com\/karimsalem1\">karimsalem1<\/a>\u5bf9\u6b64\u529f\u80fd\u7684\u8d21\u732e\uff01<\/p>\n<h3><span style=\"color: #993300;\"><strong>IExceptionHandler<\/strong><\/span><\/h3>\n<p><a href=\"https:\/\/learn.microsoft.com\/zh-cn\/aspnet\/core\/fundamentals\/error-handling#exception-handler-page\">\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\u4e2d\u95f4\u4ef6<\/a>\u662f\u4e00\u4e2a\u73b0\u6709\u7ec4\u4ef6\uff0c\u5b83\u7528\u4e8e\u6355\u83b7\u610f\u5916\u7684\u8bf7\u6c42\u5904\u7406\u5f02\u5e38\u4ee5\u53ca\u8fd4\u56de\u7528\u6237\u53cb\u597d\u7684\u9519\u8bef\u9875\u9762\uff0c\u4e0d\u4f1a\u6cc4\u6f0f\u5b9e\u73b0\u7ec6\u8282\u3002IExceptionHandler\u662f\u4e00\u4e2a\u65b0\u7684\u670d\u52a1\u63a5\u53e3\uff0c\u53ef\u4ee5\u7531\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\u4e2d\u95f4\u4ef6\u89e3\u6790\u548c\u8c03\u7528\u3002\u5b83\u4e3a\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\u4e00\u4e2a\u56de\u8c03\uff0c\u5141\u8bb8\u5728\u4e2d\u592e\u4f4d\u7f6e\u5904\u7406\u5df2\u77e5\u7684\u5f02\u5e38\u3002<\/p>\n<p><span style=\"color: #993300;\">IExceptionHandler<\/span> \u901a\u8fc7\u8c03\u7528<span style=\"color: #993300;\">IServiceCollection.AddExceptionHandler&lt;T&gt;<\/span> \u6765\u6ce8\u518c\u3002 \u53ef\u4ee5\u6dfb\u52a0\u591a\u4e2a IExceptionHandler \uff0c\u5e76\u4e14\u5b83\u4eec\u5c06\u6309\u7167\u6ce8\u518c\u7684\u987a\u5e8f\u88ab\u8c03\u7528\u3002 \u5982\u679c\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\u5904\u7406\u4e86\u8be5\u8bf7\u6c42\uff0c\u5b83\u53ef\u4ee5\u8fd4\u56de <span style=\"color: #993300;\">true<\/span> \u4ee5\u505c\u6b62\u5904\u7406\u3002\u5982\u679c\u4efb\u4f55\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\u90fd\u6ca1\u6709\u5904\u7406\u5f02\u5e38\uff0c\u5219\u63a7\u5236\u6743\u5c06\u9000\u56de\u5230\u4e2d\u95f4\u4ef6\u7684\u65e7\u884c\u4e3a\u548c\u9009\u9879\u3002\u5bf9\u4e8e\u5df2\u5904\u7406\u548c\u672a\u5904\u7406\u7684\u5f02\u5e38\uff0c\u5c06\u53d1\u51fa\u4e0d\u540c\u7684\u6307\u6807\u548c\u65e5\u5fd7\u3002<\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-csharp prettyprinted\"><span class=\"kwd\">public<\/span> <span class=\"kwd\">interface<\/span> <span class=\"typ\">IExceptionHandler<\/span>\r\n<span class=\"pun\">{<\/span>\r\n    <span class=\"typ\">ValueTask<\/span><span class=\"str\">&lt;bool&gt;<\/span> <span class=\"typ\">TryHandleAsync<\/span><span class=\"pun\">(<\/span><span class=\"typ\">HttpContext<\/span><span class=\"pln\"> httpContext<\/span><span class=\"pun\">,<\/span> <span class=\"typ\">Exception<\/span><span class=\"pln\"> exception<\/span><span class=\"pun\">,<\/span> <span class=\"typ\">CancellationToken<\/span><span class=\"pln\"> cancellationToken<\/span><span class=\"pun\">);<\/span>\r\n<span class=\"pun\">}<\/span><\/code><\/pre>\n<p>\u611f\u8c22<a href=\"https:\/\/github.com\/Kahbazi\">Arvin Kahbazi<\/a> \u5bf9\u6b64\u529f\u80fd\u7684\u8d21\u732e\uff01<\/p>\n<h3><strong>SignalR<\/strong><\/h3>\n<h4><strong>SignalR <\/strong><strong>\u65e0\u7f1d\u91cd\u8fde<\/strong><\/h4>\n<p>\u8fd9\u4e2a\u9884\u89c8\u7248\u5305\u62ec\u5bf9 SignalR \u4e2d\u201c\u65e0\u7f1d\u91cd\u65b0\u8fde\u63a5\u201d\u7684\u65e9\u671f\u652f\u6301\u3002\u8fd9\u4e2a\u529f\u80fd\u65e8\u5728\u51cf\u5c11\u5ba2\u6237\u7aef\u611f\u77e5\u5230\u7684\u5b95\u673a\u65f6\u95f4\uff0c\u8fd9\u4e9b\u5b95\u673a\u65f6\u95f4\u53ef\u80fd\u662f\u7531\u4e8e\u5207\u6362\u7f51\u7edc\u8fde\u63a5\u3001\u901a\u8fc7\u96a7\u9053\u7b49\u539f\u56e0\u9020\u6210\u7684\u7f51\u7edc\u8fde\u63a5\u6682\u65f6\u4e2d\u65ad\u3002\u5b83\u901a\u8fc7\u5728\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4e0a\u4e34\u65f6\u7f13\u51b2\u6570\u636e\u5e76\u786e\u8ba4\u4e24\u8005\u53d1\u9001\u7684\u6d88\u606f\uff0c\u8bc6\u522b\u5f53\u8fde\u63a5\u8fd4\u56de\u65f6\u4ee5\u53ca\u8fde\u63a5\u4e2d\u65ad\u65f6\u53ef\u80fd\u5df2\u53d1\u9001\u7684\u6d88\u606f\u6765\u5b9e\u73b0\u6b64\u76ee\u7684\u3002<\/p>\n<p>\u7531\u4e8e\u8be5\u529f\u80fd\u8fd8\u5728\u8bbe\u8ba1\u4e2d\uff0c\u6240\u4ee5\u8fd8\u6ca1\u6709\u4efb\u4f55\u914d\u7f6e\uff0c\u652f\u6301\u4ec5\u9650\u4e8e\u4f7f\u7528 WebSocket \u7684 .NET \u5ba2\u6237\u7aef\u3002<\/p>\n<p>\u8981\u9009\u62e9\u4f7f\u7528\u8be5\u529f\u80fd\uff0c\u8bf7\u66f4\u65b0\u60a8\u7684 .NET \u5ba2\u6237\u7aef\u4ee3\u7801\u4ee5\u542f\u7528\u8be5\u9009\u9879\uff1a<\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-csharp prettyprinted\"><span class=\"kwd\">var<\/span><span class=\"pln\"> hubConnection <\/span><span class=\"pun\">=<\/span> <span class=\"kwd\">new<\/span> <span class=\"typ\">HubConnectionBuilder<\/span><span class=\"pun\">()<\/span>\r\n    <span class=\"pun\">.<\/span><span class=\"typ\">WithUrl<\/span><span class=\"pun\">(<\/span><span class=\"str\">\"&lt;hub url&gt;\"<\/span><span class=\"pun\">,<\/span><span class=\"pln\">\r\n             options <\/span><span class=\"pun\">=&gt;<\/span>\r\n             <span class=\"pun\">{<\/span><span class=\"pln\">\r\n                options<\/span><span class=\"pun\">.<\/span><span class=\"typ\">UseAcks<\/span> <span class=\"pun\">=<\/span> <span class=\"kwd\">true<\/span><span class=\"pun\">;<\/span>\r\n             <span class=\"pun\">})<\/span>\r\n    <span class=\"pun\">.<\/span><span class=\"typ\">Build<\/span><span class=\"pun\">();<\/span><\/code><\/pre>\n<p>\u5728\u672a\u6765\u7684\u9884\u89c8\u7248\u4e2d\uff0c\u53ef\u80fd\u4f1a\u6709\u4ece\u670d\u52a1\u5668\u7aef\u7981\u7528\u8be5\u529f\u80fd\u7684\u9009\u9879\u3001\u5c06\u53d1\u751f\u7f13\u51b2\u7684\u914d\u7f6e\u4ee5\u53ca\u8d85\u65f6\u9650\u5236\u3002\u6b64\u5916\uff0c\u8fd8\u5c06\u589e\u52a0\u5bf9\u5176\u4ed6\u4f20\u8f93\u548c\u5ba2\u6237\u7aef\u7684\u652f\u6301\u3002<\/p>\n<p>\u8bf7\u5728 <a href=\"https:\/\/github.com\/dotnet\/aspnetcore\/issues\/46691\">https:\/\/github.com\/dotnet\/aspnetcore\/issues\/46691<\/a> \u63d0\u4f9b\u53cd\u9988\u5e76\u5173\u6ce8\u8be5\u529f\u80fd\u7684\u8fdb\u5c55\u3002<\/p>\n<h3><strong>Blazor<\/strong><\/h3>\n<h4><strong>\u65b0\u7684<\/strong><strong> Blazor Web App<\/strong><strong>\u9879\u76ee\u6a21\u677f<\/strong><\/h4>\n<p>\u5728\u8fd9\u4e2a\u9884\u89c8\u7248\u4e2d\uff0c\u6211\u4eec\u5f15\u5165\u4e86\u4e00\u4e2a\u65b0\u7684 Blazor \u9879\u76ee\u6a21\u677f\uff1aBlazor Web App \u6a21\u677f\u3002\u8fd9\u4e2a\u65b0\u6a21\u677f\u4e3a\u4f7f\u7528 Blazor \u7ec4\u4ef6\u6765\u6784\u5efa\u4efb\u4f55\u98ce\u683c\u7684 Web UI\uff08\u5305\u62ec\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u548c\u5ba2\u6237\u7aef\u6e32\u67d3\uff09\u63d0\u4f9b\u4e86\u5355\u4e00\u8d77\u70b9\u3002\u5b83\u5c06\u73b0\u6709 Blazor Server \u548c Blazor WebAssembly \u6258\u7ba1\u6a21\u578b\u7684\u4f18\u52bf\u4e0e\u6211\u4eec\u5728 .NET 8 \u4e2d\u6dfb\u52a0\u7684\u65b0 Blazor \u529f\u80fd\u76f8\u7ed3\u5408\uff1a\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u3001\u6d41\u5f0f\u6e32\u67d3\u3001\u589e\u5f3a\u7684\u5bfc\u822a\u548c\u8868\u5355\u5904\u7406\uff0c\u4ee5\u53ca\u5728\u6bcf\u4e2a\u7ec4\u4ef6\u7684\u57fa\u7840\u4e0a\u4f7f\u7528Blazor Server\u6216Blazor WebAssembly\u6dfb\u52a0\u4ea4\u4e92\u6027\u7684\u80fd\u529b\u3002\u5728\u8fd9\u4e2a\u9884\u89c8\u7248\u4e2d\uff0c\u5e76\u975e\u6240\u6709\u529f\u80fd\u90fd\u5df2\u542f\u7528\uff0c\u65b0\u7684Blazor Web App\u6a21\u677f\u63d0\u4f9b\u4e86\u4e00\u79cd\u4fbf\u6377\u7684\u65b9\u5f0f\u6765\u5c1d\u8bd5\u8fd9\u4e9b\u53ef\u7528\u7684\u65b0\u529f\u80fd\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u884c\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Blazor Web App\uff1a<\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-console prettyprinted\"><span class=\"pln\">dotnet <\/span><span class=\"kwd\">new<\/span><span class=\"pln\"> blazor <\/span><span class=\"pun\">-<\/span><span class=\"pln\">o <\/span><span class=\"typ\">BlazorWebApp<\/span><\/code><\/pre>\n<p>\u65b0\u7684 Blazor Web App \u9879\u76ee\u6a21\u677f\u53ef\u4ee5\u5728 Visual Studio \u4e2d\u4f7f\u7528\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-5\/blazor-web-app-template.png\" alt=\"Blazor Web App project template\" \/><\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cBlazor Web App\u6a21\u677f\u662f\u4e3aRazor\u7ec4\u4ef6\u7684\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u800c\u8bbe\u7f6e\u7684\u3002\u5728Program.cs\u4e2d\uff0c\u8c03\u7528<span style=\"color: #993300;\">AddRazorComponents()<\/span>\u6dfb\u52a0\u76f8\u5173\u7684\u670d\u52a1\uff0c\u7136\u540e<span style=\"color: #993300;\">MapRazorComponents&lt;App&gt;()<\/span>\u53d1\u73b0\u53ef\u7528\u7684\u7ec4\u4ef6\u5e76\u6307\u5b9a\u5e94\u7528\u7a0b\u5e8f\u7684\u6839\u7ec4\u4ef6\u3002<\/p>\n<p><strong>Program.cs<\/strong><\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-csharp prettyprinted\"><span class=\"kwd\">using<\/span> <span class=\"typ\">BlazorWebApp<\/span><span class=\"pun\">;<\/span>\r\n\r\n<span class=\"kwd\">var<\/span><span class=\"pln\"> builder <\/span><span class=\"pun\">=<\/span> <span class=\"typ\">WebApplication<\/span><span class=\"pun\">.<\/span><span class=\"typ\">CreateBuilder<\/span><span class=\"pun\">(<\/span><span class=\"pln\">args<\/span><span class=\"pun\">);<\/span>\r\n\r\n<span class=\"com\">\/\/ Add services to the container.<\/span><span class=\"pln\">\r\nbuilder<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Services<\/span><span class=\"pun\">.<\/span><span class=\"typ\">AddRazorComponents<\/span><span class=\"pun\">();<\/span>\r\n\r\n<span class=\"kwd\">var<\/span><span class=\"pln\"> app <\/span><span class=\"pun\">=<\/span><span class=\"pln\"> builder<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Build<\/span><span class=\"pun\">();<\/span>\r\n\r\n<span class=\"com\">\/\/ ...<\/span><span class=\"pln\">\r\n\r\napp<\/span><span class=\"pun\">.<\/span><span class=\"typ\">MapRazorComponents<\/span><span class=\"pun\">&lt;<\/span><span class=\"typ\">App<\/span><span class=\"pun\">&gt;();<\/span><span class=\"pln\">\r\n\r\napp<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Run<\/span><span class=\"pun\">();<\/span><\/code><\/pre>\n<p style=\"text-align: left;\">Blazor Web App\u6a21\u677f\u4e2d\u7684\u6839<span style=\"color: #993300;\">App<\/span>\u7ec4\u4ef6\u5b9a\u4e49\u4e86\u6839 HTML \u5185\u5bb9\u3001\u8bbe\u7f6e\u4e86 Blazor \u8def\u7531\u5e76\u6dfb\u52a0\u4e86blazor.web.js\u811a\u672c\u3002\u4e0d\u518d\u9700\u8981<span style=\"color: #993300;\">IRazorComponentApplication<\/span>\u63a5\u53e3\u3002<\/p>\n<p><strong>App.razor<\/strong><\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-razor prettyprinted\"><span class=\"dec\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"tag\">&lt;html<\/span> <span class=\"atn\">lang<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"en\"<\/span><span class=\"tag\">&gt;<\/span>\r\n\r\n<span class=\"tag\">&lt;head&gt;<\/span>\r\n    <span class=\"tag\">&lt;meta<\/span> <span class=\"atn\">charset<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"utf-8\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;meta<\/span> <span class=\"atn\">name<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"viewport\"<\/span> <span class=\"atn\">content<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;title&gt;<\/span><span class=\"pln\">BlazorWebApp1<\/span><span class=\"tag\">&lt;\/title&gt;<\/span>\r\n    <span class=\"tag\">&lt;base<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"\/\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;link<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"css\/bootstrap\/bootstrap.min.css\"<\/span> <span class=\"atn\">rel<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"stylesheet\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;link<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"css\/app.css\"<\/span> <span class=\"atn\">rel<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"stylesheet\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;link<\/span> <span class=\"atn\">rel<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"icon\"<\/span> <span class=\"atn\">type<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"image\/png\"<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"favicon.png\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;link<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"BlazorWebApp1.styles.css\"<\/span> <span class=\"atn\">rel<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"stylesheet\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;HeadOutlet<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n<span class=\"tag\">&lt;\/head&gt;<\/span>\r\n\r\n<span class=\"tag\">&lt;body&gt;<\/span>\r\n\r\n    <span class=\"tag\">&lt;Router<\/span> <span class=\"atn\">AppAssembly<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@typeof(App).Assembly\"<\/span><span class=\"tag\">&gt;<\/span>\r\n        <span class=\"tag\">&lt;Found<\/span> <span class=\"atn\">Context<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"routeData\"<\/span><span class=\"tag\">&gt;<\/span>\r\n            <span class=\"tag\">&lt;RouteView<\/span> <span class=\"atn\">RouteData<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@routeData\"<\/span> <span class=\"atn\">DefaultLayout<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@typeof(MainLayout)\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n            <span class=\"tag\">&lt;FocusOnNavigate<\/span> <span class=\"atn\">RouteData<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@routeData\"<\/span> <span class=\"atn\">Selector<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"h1\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n        <span class=\"tag\">&lt;\/Found&gt;<\/span>\r\n        <span class=\"tag\">&lt;NotFound&gt;<\/span>\r\n            <span class=\"tag\">&lt;PageTitle&gt;<\/span><span class=\"pln\">Not found<\/span><span class=\"tag\">&lt;\/PageTitle&gt;<\/span>\r\n            <span class=\"tag\">&lt;LayoutView<\/span> <span class=\"atn\">Layout<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@typeof(MainLayout)\"<\/span><span class=\"tag\">&gt;<\/span>\r\n                <span class=\"tag\">&lt;p<\/span> <span class=\"atn\">role<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"alert\"<\/span><span class=\"tag\">&gt;<\/span><span class=\"pln\">Sorry, there's nothing at this address.<\/span><span class=\"tag\">&lt;\/p&gt;<\/span>\r\n            <span class=\"tag\">&lt;\/LayoutView&gt;<\/span>\r\n        <span class=\"tag\">&lt;\/NotFound&gt;<\/span>\r\n    <span class=\"tag\">&lt;\/Router&gt;<\/span>\r\n\r\n    \r\n<span class=\"tag\">&lt;\/body&gt;<\/span>\r\n<span class=\"tag\">&lt;\/html&gt;<\/span><\/code><\/pre>\n<h4><strong>Blazor <\/strong><strong>\u8def\u7531\u4e0e\u7aef\u70b9\u8def\u7531\u96c6\u6210<\/strong><\/h4>\n<p>Blazor <span style=\"color: #993300;\">Router<\/span>\u7ec4\u4ef6\u73b0\u5728\u96c6\u6210\u4e86\u7aef\u70b9\u8def\u7531\u6765\u5904\u7406\u670d\u52a1\u5668\u7aef\u548c\u5ba2\u6237\u7aef\u8def\u7531\u3002\u8fd9\u610f\u5473\u7740\u4f7f\u7528\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u8def\u7531\u5230\u7ec4\u4ef6\u7684\u5de5\u4f5c\u65b9\u5f0f\u4e0e\u4f7f\u7528\u5ba2\u6237\u7aef\u6e32\u67d3\u4e00\u6837\u3002\u8fd9\u4e5f\u610f\u5473\u7740\u60a8\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528<span style=\"color: #993300;\">Router<\/span>\u6765\u6307\u5b9a\u9ed8\u8ba4\u5e03\u5c40\u3002<\/p>\n<p>\u65b0\u7684 Blazor Web App\u6a21\u677f\u5305\u62ec\u51e0\u4e2a\u5e26\u6709\u8def\u7531\u7684\u793a\u4f8b\u9875\u9762\u3002<em>Index.razor<\/em>\u5b9a\u4e49\u5e94\u7528\u7a0b\u5e8f\u7684\u4e3b\u9875\u5e76\u53ea\u5305\u542b\u4e00\u4e9b\u57fa\u672c\u6807\u8bb0\u3002<em>ShowData.razor<\/em>\u4f7f\u7528\u6d41\u5f0f\u6e32\u67d3\u6765\u663e\u793a\u4e00\u4e9b\u5929\u6c14\u9884\u62a5\u6570\u636e\u3002<span style=\"color: #993300;\">Router<\/span>\u7ec4\u4ef6\u4e0e\u7aef\u70b9\u8def\u7531\u96c6\u6210\u4e4b\u540e\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u8fd9\u4e9b\u9875\u9762\u3002<\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5f53\u524d\u6bcf\u4e2a\u9875\u9762\u5bfc\u822a\u90fd\u9700\u8981\u5b8c\u6574\u7684\u9875\u9762\u52a0\u8f7d\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u8bbe\u7f6e\u5ba2\u6237\u7aef\u8def\u7531\uff0c\u800c\u4e14\u6211\u4eec\u8fd8\u6ca1\u6709\u6dfb\u52a0\u5bf9\u589e\u5f3a\u9875\u9762\u5bfc\u822a\u7684\u652f\u6301\u3002\u5728\u672a\u6765\u7684 .NET 8 \u9884\u89c8\u7248\u672c\u4e2d\u5373\u5c06\u63a8\u51fa\u589e\u5f3a\u578b\u5bfc\u822a\u529f\u80fd\u3002<\/p>\n<h4><strong>\u4f7f\u7528<\/strong><strong>Blazor Server<\/strong><strong>\u542f\u7528\u5404\u4e2a\u7ec4\u4ef6\u7684\u4ea4\u4e92\u6027<\/strong><\/h4>\n<p>\u5728 .NET 8 Preview 5 \u4e2d\uff0c\u6211\u4eec\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528 Blazor Server \u6e32\u67d3\u6a21\u5f0f\u4e3a\u5404\u4e2a\u7ec4\u4ef6\u542f\u7528\u4ea4\u4e92\u6027\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 <span style=\"color: #993300;\">AddServerComponents<\/span> \u6269\u5c55\u65b9\u6cd5\u542f\u7528\u4e0e Blazor Server \u7684\u4ea4\u4e92\u6027\uff0c\u7136\u540e\u4f7f\u7528\u65b0\u7684 <span style=\"color: #993300;\">[RenderModeServer]<\/span> \u5c5e\u6027\u542f\u7528\u7279\u5b9a\u7ec4\u4ef6\u7684\u4ea4\u4e92\u6027\u3002<\/p>\n<p>\u65b0\u7684 Blazor Web App \u6a21\u677f\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u4f1a\u8bbe\u7f6e\u4efb\u4f55\u7c7b\u578b\uff08Blazor Server \u6216 Blazor WebAssembly\uff09\u7684\u4ea4\u4e92\u6027\uff0c\u6240\u4ee5\u6ca1\u6709<span style=\"color: #993300;\">Counter<\/span>\u7ec4\u4ef6\u3002\u4f46\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e2a<span style=\"color: #993300;\">Counter<\/span>\u7ec4\u4ef6\u5e76\u81ea\u884c\u8bbe\u7f6e\u5b83\u4ee5\u5b9e\u73b0\u4ea4\u4e92\u3002<\/p>\n<p>\u6dfb\u52a0\u4e00\u4e2a\u5e26\u6709<span style=\"color: #993300;\">Counter<\/span>\u7ec4\u4ef6\u7684\u9875\u9762\uff1a<\/p>\n<ol>\n<li>\u901a\u8fc7\u6dfb\u52a0\u5305\u542b\u4ee5\u4e0b\u5185\u5bb9\u7684Pages\/Counter.razor\u6587\u4ef6\u6765\u521b\u5efa\u8ba1\u6570\u5668\u9875\u9762\uff1a\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-razor prettyprinted\"><span class=\"dec\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"tag\">&lt;html<\/span> <span class=\"atn\">lang<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"en\"<\/span><span class=\"tag\">&gt;<\/span>\r\n\r\n<span class=\"tag\">&lt;head&gt;<\/span>\r\n    <span class=\"tag\">&lt;meta<\/span> <span class=\"atn\">charset<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"utf-8\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;meta<\/span> <span class=\"atn\">name<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"viewport\"<\/span> <span class=\"atn\">content<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;title&gt;<\/span><span class=\"pln\">BlazorWebApp1<\/span><span class=\"tag\">&lt;\/title&gt;<\/span>\r\n    <span class=\"tag\">&lt;base<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"\/\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;link<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"css\/bootstrap\/bootstrap.min.css\"<\/span> <span class=\"atn\">rel<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"stylesheet\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;link<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"css\/app.css\"<\/span> <span class=\"atn\">rel<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"stylesheet\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;link<\/span> <span class=\"atn\">rel<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"icon\"<\/span> <span class=\"atn\">type<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"image\/png\"<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"favicon.png\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;link<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"BlazorWebApp1.styles.css\"<\/span> <span class=\"atn\">rel<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"stylesheet\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n    <span class=\"tag\">&lt;HeadOutlet<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n<span class=\"tag\">&lt;\/head&gt;<\/span>\r\n\r\n<span class=\"tag\">&lt;body&gt;<\/span>\r\n\r\n    <span class=\"tag\">&lt;Router<\/span> <span class=\"atn\">AppAssembly<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@typeof(App).Assembly\"<\/span><span class=\"tag\">&gt;<\/span>\r\n        <span class=\"tag\">&lt;Found<\/span> <span class=\"atn\">Context<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"routeData\"<\/span><span class=\"tag\">&gt;<\/span>\r\n            <span class=\"tag\">&lt;RouteView<\/span> <span class=\"atn\">RouteData<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@routeData\"<\/span> <span class=\"atn\">DefaultLayout<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@typeof(MainLayout)\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n            <span class=\"tag\">&lt;FocusOnNavigate<\/span> <span class=\"atn\">RouteData<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@routeData\"<\/span> <span class=\"atn\">Selector<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"h1\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n        <span class=\"tag\">&lt;\/Found&gt;<\/span>\r\n        <span class=\"tag\">&lt;NotFound&gt;<\/span>\r\n            <span class=\"tag\">&lt;PageTitle&gt;<\/span><span class=\"pln\">Not found<\/span><span class=\"tag\">&lt;\/PageTitle&gt;<\/span>\r\n            <span class=\"tag\">&lt;LayoutView<\/span> <span class=\"atn\">Layout<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@typeof(MainLayout)\"<\/span><span class=\"tag\">&gt;<\/span>\r\n                <span class=\"tag\">&lt;p<\/span> <span class=\"atn\">role<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"alert\"<\/span><span class=\"tag\">&gt;<\/span><span class=\"pln\">Sorry, there's nothing at this address.<\/span><span class=\"tag\">&lt;\/p&gt;<\/span>\r\n            <span class=\"tag\">&lt;\/LayoutView&gt;<\/span>\r\n        <span class=\"tag\">&lt;\/NotFound&gt;<\/span>\r\n    <span class=\"tag\">&lt;\/Router&gt;<\/span>\r\n\r\n    \r\n<span class=\"tag\">&lt;\/body&gt;<\/span>\r\n<span class=\"tag\">&lt;\/html&gt;<\/span><\/code><\/pre>\n<\/li>\n<li>\u66f4\u65b0Shared\/NavMenu.razor\u4e3a\u8ba1\u6570\u5668\u9875\u9762\u6dfb\u52a0\u94fe\u63a5\uff1a\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-razor prettyprinted\"><span class=\"tag\">&lt;div<\/span> <span class=\"atn\">class<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"nav-item px-3\"<\/span><span class=\"tag\">&gt;<\/span>\r\n    <span class=\"tag\">&lt;NavLink<\/span> <span class=\"atn\">class<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"nav-link\"<\/span> <span class=\"atn\">href<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"counter\"<\/span><span class=\"tag\">&gt;<\/span>\r\n        <span class=\"tag\">&lt;span<\/span> <span class=\"atn\">class<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"oi oi-plus\"<\/span> <span class=\"atn\">aria-hidden<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"true\"<\/span><span class=\"tag\">&gt;&lt;\/span&gt;<\/span><span class=\"pln\"> Counter\r\n    <\/span><span class=\"tag\">&lt;\/NavLink&gt;<\/span>\r\n<span class=\"tag\">&lt;\/div&gt;<\/span><\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u60a8\u73b0\u5728\u53ef\u4ee5\u6d4f\u89c8\u5230\u8ba1\u6570\u5668\u9875\u9762\uff0c\u4f46\u8ba1\u6570\u5668\u6309\u94ae\u8fd8\u4e0d\u80fd\u5de5\u4f5c\uff0c\u56e0\u4e3a\u8be5\u9875\u9762\u53ea\u662f\u5728\u670d\u52a1\u5668\u7aef\u5448\u73b0\u3002<\/p>\n<p>\u4f7f\u7528 Blazor Server \u8bbe\u7f6e<span style=\"color: #993300;\">Counter<\/span>\u7ec4\u4ef6\u7684\u4ea4\u4e92\u6027\uff1a<\/p>\n<ol>\n<li>\u5728Program.cs\u4e2d\u6dfb\u52a0 Blazor Server \u4ea4\u4e92\u670d\u52a1\uff1a\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-csharp prettyprinted\"><span class=\"pln\">builder<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Services<\/span><span class=\"pun\">.<\/span><span class=\"typ\">AddRazorComponents<\/span><span class=\"pun\">()<\/span>\r\n    <span class=\"pun\">.<\/span><span class=\"typ\">AddServerComponents<\/span><span class=\"pun\">();<\/span><\/code><\/pre>\n<\/li>\n<li>\u5728Pages\/Counter.razor\u4e2d\u6dfb\u52a0[RenderModeServer]\u5c5e\u6027\uff1a\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-razor prettyprinted\"><span class=\"lit\">@attribute<\/span> <span class=\"pun\">[<\/span><span class=\"typ\">RenderModeServer<\/span><span class=\"pun\">]<\/span><\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\u73b0\u5728\uff0c\u5f53\u60a8\u6d4f\u89c8\u5230\u8ba1\u6570\u5668\u9875\u9762\u65f6\uff0c\u5b83\u5e94\u8be5\u662f\u4ea4\u4e92\u5f0f\u7684\u3002\u5f53\u60a8\u6d4f\u89c8\u5230\u8be5\u9875\u9762\u65f6\uff0c\u5c06\u5efa\u7acb Blazor Server\u8fde\u63a5\u3002\u5f53\u60a8\u5355\u51fb<span style=\"color: #993300;\">Counter<\/span>\u6309\u94ae\u65f6\uff0c\u4f1a\u89e6\u53d1<span style=\"color: #993300;\">onclick<\/span>\u4e8b\u4ef6\uff0c\u4ece\u800c\u589e\u52a0\u8ba1\u6570\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u521b\u5efa\u4e00\u4e2a\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u4ea4\u4e92\u5f0f\u8ba1\u6570\u5668\u7684Blazor Web App\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u884c\u5b9e\u73b0:<\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-console prettyprinted\"><span class=\"pln\">dotnet <\/span><span class=\"kwd\">new<\/span><span class=\"pln\"> blazor <\/span><span class=\"pun\">--<\/span><span class=\"kwd\">use<\/span><span class=\"pun\">-<\/span><span class=\"pln\">server <\/span><span class=\"pun\">-<\/span><span class=\"pln\">o <\/span><span class=\"typ\">BlazorWebApp<\/span><\/code><\/pre>\n<p>\u5728Visual Studio\u4e2d\u521b\u5efa Blazor Web App\u65f6\uff0c<span style=\"color: #993300;\">&#8211;use-server<\/span>\u9009\u9879\u76ee\u524d\u8fd8\u4e0d\u53ef\u7528\uff0c\u4f46\u6211\u4eec\u9884\u8ba1\u5f88\u5feb\u5c31\u4f1a\u6dfb\u52a0\u5b83\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u9884\u89c8\u7248\u4e2d\uff0c\u4e00\u65e6 Blazor Server\u8fde\u63a5\u548c\u56de\u8def\u5efa\u7acb\u8d77\u6765\uff0c\u5373\u4f7f\u60a8\u79bb\u5f00\u8ba1\u6570\u5668\u9875\u9762\uff0c\u5b83\u4e5f\u4f1a\u4e00\u76f4\u5b58\u5728\u3002 \u6211\u4eec\u671f\u671b\u5728\u672a\u6765\u7684\u66f4\u65b0\u4e2d\u6539\u8fdb\u56de\u8def\u5bff\u547d\u7684\u7ba1\u7406\u65b9\u5f0f\u3002 \u6b64\u5916\uff0c\u867d\u7136\u6b64\u9884\u89c8\u4e2d\u6dfb\u52a0\u4e86 Blazor WebAssembly \u6e32\u67d3\u6a21\u5f0f\u7684\u4e00\u4e9b API\uff08\u4f8b\u5982<span style=\"color: #993300;\"> [RenderModeWebAssembly]<\/span> \u5c5e\u6027\uff09\uff0c\u4f46\u5bf9\u5728 WebAssembly \u4e0a\u4ea4\u4e92\u8fd0\u884c\u7684\u652f\u6301\u5c1a\u672a\u5b8c\u5168\u5b9e\u73b0\u3002 \u8fd9\u5c06\u4f1a\u6dfb\u52a0\u5728\u672a\u6765\u7684\u66f4\u65b0\u4e2d\u3002<\/p>\n<h4><strong>\u6539\u8fdb\u4e86<\/strong><strong> Webcil <\/strong><strong>\u6587\u4ef6\u7684\u6253\u5305<\/strong><\/h4>\n<p><a href=\"https:\/\/github.com\/dotnet\/runtime\/blob\/main\/docs\/design\/mono\/webcil.md\">Webcil<\/a> \u662f\u9002\u7528\u4e8e .NET \u7a0b\u5e8f\u96c6\u7684\u65b0\u578b Web \u6253\u5305\u683c\u5f0f\uff0c\u65e8\u5728\u652f\u6301\u5728\u9650\u5236\u6027\u7f51\u7edc\u73af\u5883\u4e2d\u4f7f\u7528 Blazor WebAssembly\u3002\u3002\u5728 .NET 8 Preview 5 \u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6dfb\u52a0\u6807\u51c6 WebAssembly \u5305\u88c5\u5668\u6539\u8fdb\u4e86 Webcil \u683c\u5f0f\u3002\u8fd9\u610f\u5473\u7740 Webcil \u6587\u4ef6\u73b0\u5728\u53ea\u662f\u5177\u6709\u6807\u51c6 .wasm \u6269\u5c55\u540d\u7684 WebAssembly \u6587\u4ef6\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u5f53\u60a8\u53d1\u5e03 Blazor WebAssembly \u5e94\u7528\u7a0b\u5e8f\u65f6\uff0cWebcil \u662f\u9ed8\u8ba4\u6253\u5305\u683c\u5f0f\u3002\u5982\u679c\u60a8\u60f3\u7981\u7528 Webcil\uff0c\u60a8\u53ef\u4ee5\u5728\u9879\u76ee\u6587\u4ef6\u4e2d\u8bbe\u7f6e<\/p>\n<p><span style=\"color: #993300;\">&lt;WasmEnableWebcil&gt;false&lt;\/WasmEnableWebcil&gt;<\/span>\u3002<\/p>\n<h4><strong>Blazor <\/strong><strong>\u5185\u5bb9\u5b89\u5168\u7b56\u7565<\/strong><strong> (CSP) <\/strong><strong>\u517c\u5bb9\u6027<\/strong><\/h4>\n<p>Blazor WebAssembly\u5728\u6307\u5b9a\u5185\u5bb9\u5b89\u5168\u7b56\u7565 (CSP) \u65f6\u4e0d\u518d\u9700\u8981\u542f\u7528<span style=\"color: #993300;\">unsafe-eval<\/span>\u811a\u672c\u6e90\u3002<\/p>\n<h3><strong>API<\/strong><strong>\u7f16\u5199<\/strong><\/h3>\n<h4><strong>\u652f\u6301\u6cdb\u578b\u5c5e\u6027<\/strong><\/h4>\n<p>\u8fd9\u4e9b\u5c5e\u6027\u4ee5\u524d\u9700\u8981 <span style=\"color: #993300;\">System.Type<\/span> \u53c2\u6570\u7684\u5c5e\u6027\uff0c\u4f46\u662f\u73b0\u5728\u4ee5\u66f4\u7b80\u6d01\u7684\u901a\u7528\u53d8\u4f53\u5f62\u5f0f\u63d0\u4f9b\u3002 \u8fd9\u662f\u901a\u8fc7 C# 11 \u4e2d\u5bf9\u6cdb\u578b\u5c5e\u6027\u7684\u652f\u6301\u5b9e\u73b0\u7684\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6309\u5982\u4e0b\u65b9\u5f0f\u4fee\u6539\u7528\u4e8e\u6ce8\u91ca\u64cd\u4f5c\u54cd\u5e94\u7c7b\u578b\u7684\u8bed\u6cd5\uff1a<\/p>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-csharp prettyprinted\"><span class=\"pun\">[<\/span><span class=\"typ\">ApiController<\/span><span class=\"pun\">]<\/span>\r\n<span class=\"pun\">[<\/span><span class=\"typ\">Route<\/span><span class=\"pun\">(<\/span><span class=\"str\">\"api\/[controller]\"<\/span><span class=\"pun\">)]<\/span>\r\n<span class=\"kwd\">public<\/span> <span class=\"kwd\">class<\/span> <span class=\"typ\">TodosController<\/span> <span class=\"pun\">:<\/span> <span class=\"typ\">Controller<\/span>\r\n<span class=\"pun\">{<\/span>\r\n  <span class=\"pun\">[<\/span><span class=\"typ\">HttpGet<\/span><span class=\"pun\">(<\/span><span class=\"str\">\"\/\"<\/span><span class=\"pun\">)]<\/span>\r\n  <span class=\"com\">\/\/ Before: [ProducesResponseType(typeof(Todo), StatusCodes.Status200OK)]<\/span>\r\n  <span class=\"pun\">[<\/span><span class=\"typ\">ProducesResponseType<\/span><span class=\"pun\">&lt;<\/span><span class=\"typ\">Todo<\/span><span class=\"pun\">&gt;(<\/span><span class=\"typ\">StatusCodes<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Status200OK<\/span><span class=\"pun\">)]<\/span>\r\n  <span class=\"kwd\">public<\/span> <span class=\"typ\">Todo<\/span> <span class=\"typ\">Get<\/span><span class=\"pun\">()<\/span> <span class=\"pun\">=&gt;<\/span> <span class=\"kwd\">new<\/span> <span class=\"typ\">Todo<\/span><span class=\"pun\">(<\/span><span class=\"lit\">1<\/span><span class=\"pun\">,<\/span> <span class=\"str\">\"Write a sample\"<\/span><span class=\"pun\">,<\/span> <span class=\"typ\">DateTime<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Now<\/span><span class=\"pun\">,<\/span> <span class=\"kwd\">false<\/span><span class=\"pun\">);<\/span>\r\n<span class=\"pun\">}<\/span><\/code><\/pre>\n<p>\u4ee5\u4e0b\u5c5e\u6027\u652f\u6301\u6cdb\u578b\u53d8\u4f53\uff1a<\/p>\n<ul>\n<li><span style=\"color: #993300;\">[ProducesResponseType&lt;T&gt;]<\/span><\/li>\n<li><span style=\"color: #993300;\">[Produces&lt;T&gt;]<\/span><\/li>\n<li><span style=\"color: #993300;\">[MiddlewareFilter&lt;T&gt;]<\/span><\/li>\n<li><span style=\"color: #993300;\">[ModelBinder&lt;T&gt;]<\/span><\/li>\n<li><span style=\"color: #993300;\">[ModelMetadataType&lt;T&gt;]<\/span><\/li>\n<li><span style=\"color: #993300;\">[ServiceFilter&lt;T&gt;]<\/span><\/li>\n<li><span style=\"color: #993300;\">[TypeFilter&lt;T&gt;]<\/span><\/li>\n<\/ul>\n<h3><strong>Native AOT<\/strong><\/h3>\n<h4><strong>\u5728\u7f16\u8bd1\u65f6\u751f\u6210\u7684\u6700\u5c0f<\/strong><strong>API<\/strong><strong>\u4e2d\u652f\u6301<\/strong><strong>AsParameters<\/strong><strong>\u548c\u81ea\u52a8\u751f\u6210\u5143\u6570\u636e<\/strong><\/h4>\n<p>\u5728 .NET 8 Preview 3 \u4e2d\uff0c\u6211\u4eec\u4e3a<a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/asp-net-core-updates-in-dotnet-8-preview-3\/#minimal-apis-and-native-aot\">\u6700\u5c0fAPI\u5f15\u5165\u4e86\u7f16\u8bd1\u65f6\u4ee3\u7801\u751f\u6210\u529f\u80fd<\/a>\uff0c\u4ee5\u652f\u6301Native AOT \u573a\u666f\u3002\u5728\u8fd9\u4e2a\u9884\u89c8\u7248\u4e2d\uff0c\u73b0\u5728\u5728\u7f16\u8bd1\u65f6\u751f\u6210\u7684\u6700\u5c0f API \u5305\u62ec\u5bf9\u4f7f\u7528<span style=\"color: #993300;\">AsParameters<\/span>\u5c5e\u6027\u4fee\u9970\u7684\u53c2\u6570\u7684\u652f\u6301\uff0c\u4ee5\u53ca\u652f\u6301\u8bf7\u6c42\u548c\u54cd\u5e94\u7c7b\u578b\u7684\u81ea\u52a8\u5143\u6570\u636e\u63a8\u65ad\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u751f\u6210\u7684\u4ee3\u7801\u5c06\uff1a<\/p>\n<ul>\n<li>\u4ece\u67e5\u8be2\u4e2d\u7ed1\u5b9a\u4e00\u4e2a<span style=\"color: #993300;\">projectId<\/span>\u53c2\u6570<\/li>\n<li>\u4ece JSON \u6b63\u6587\u7ed1\u5b9a<span style=\"color: #993300;\">Todo<\/span>\u53c2\u6570<\/li>\n<li>\u6ce8\u91ca\u7aef\u70b9\u5143\u6570\u636e\u4ee5\u6307\u793a\u5b83\u63a5\u53d7 JSON \u6709\u6548\u8d1f\u8f7d<\/li>\n<li>\u6ce8\u91ca\u7aef\u70b9\u5143\u6570\u636e\u4ee5\u6307\u793a\u5b83\u8fd4\u56de <span style=\"color: #993300;\">Todo<\/span>\u4f5c\u4e3a JSON \u8d1f\u8f7d<\/li>\n<\/ul>\n<pre class=\" prettyprinted\" tabindex=\"0\"><code class=\"language-csharp prettyprinted\"><span class=\"kwd\">var<\/span><span class=\"pln\"> app <\/span><span class=\"pun\">=<\/span> <span class=\"typ\">WebApplication<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Create<\/span><span class=\"pun\">();<\/span><span class=\"pln\">\r\n\r\napp<\/span><span class=\"pun\">.<\/span><span class=\"typ\">MapPost<\/span><span class=\"pun\">(<\/span><span class=\"str\">\"\/todos\"<\/span><span class=\"pun\">,<\/span> <span class=\"pun\">([<\/span><span class=\"typ\">AsParameters<\/span><span class=\"pun\">]<\/span> <span class=\"typ\">CreateTodoArgs<\/span><span class=\"pln\"> payload<\/span><span class=\"pun\">)<\/span> <span class=\"pun\">=&gt;<\/span> \r\n<span class=\"pun\">{<\/span>\r\n    <span class=\"kwd\">if<\/span> <span class=\"pun\">(<\/span><span class=\"pln\">payload<\/span><span class=\"pun\">.<\/span><span class=\"typ\">TodoToCreate<\/span> <span class=\"kwd\">is<\/span> <span class=\"kwd\">not<\/span> <span class=\"kwd\">null<\/span><span class=\"pun\">)<\/span>\r\n    <span class=\"pun\">{<\/span>\r\n        <span class=\"kwd\">return<\/span><span class=\"pln\"> payload<\/span><span class=\"pun\">.<\/span><span class=\"typ\">TodoToCreate<\/span><span class=\"pun\">;<\/span>\r\n    <span class=\"pun\">}<\/span>\r\n    <span class=\"kwd\">return<\/span> <span class=\"kwd\">new<\/span> <span class=\"typ\">Todo<\/span><span class=\"pun\">(<\/span><span class=\"lit\">0<\/span><span class=\"pun\">,<\/span> <span class=\"str\">\"New todo\"<\/span><span class=\"pun\">,<\/span> <span class=\"typ\">DateTime<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Now<\/span><span class=\"pun\">,<\/span> <span class=\"kwd\">false<\/span><span class=\"pun\">);<\/span>\r\n<span class=\"pun\">});<\/span><span class=\"pln\">\r\n\r\napp<\/span><span class=\"pun\">.<\/span><span class=\"typ\">Run<\/span><span class=\"pun\">();<\/span><span class=\"pln\">\r\n\r\nrecord <\/span><span class=\"typ\">CreateTodoArgs<\/span><span class=\"pun\">(<\/span><span class=\"kwd\">int<\/span> <span class=\"typ\">ProjectId<\/span><span class=\"pun\">,<\/span> <span class=\"typ\">Todo<\/span><span class=\"pun\">?<\/span> <span class=\"typ\">TodoToCreate<\/span><span class=\"pun\">);<\/span><span class=\"pln\">\r\nrecord <\/span><span class=\"typ\">Todo<\/span><span class=\"pun\">(<\/span><span class=\"kwd\">int<\/span> <span class=\"typ\">Id<\/span><span class=\"pun\">,<\/span> <span class=\"kwd\">string<\/span> <span class=\"typ\">Name<\/span><span class=\"pun\">,<\/span> <span class=\"typ\">DateTime<\/span> <span class=\"typ\">CreatedAt<\/span><span class=\"pun\">,<\/span> <span class=\"kwd\">bool<\/span> <span class=\"typ\">IsCompleted<\/span><span class=\"pun\">);<\/span><\/code><\/pre>\n<p>\u8fd9\u79cd\u884c\u4e3a\u4e0e\u6700\u5c0f API \u7684\u8fd0\u884c\u65f6\u4ee3\u7801\u751f\u6210\u7684\u884c\u4e3a\u76f8\u5339\u914d\u3002<\/p>\n<h3><strong>\u8ba4\u8bc1\u4e0e\u6388\u6743<\/strong><\/h3>\n<h4><strong>ASP.NET Core SPA <\/strong><strong>\u6a21\u677f\u4e2d\u7684\u8eab\u4efd\u9a8c\u8bc1\u66f4\u65b0<\/strong><\/h4>\n<p>ASP.NET Core React \u548c Angular \u9879\u76ee\u6a21\u677f\u4e0d\u518d\u4f9d\u8d56 Duende IdentityServer\u3002\u76f8\u53cd\uff0c\u8fd9\u4e9b\u6a21\u677f\u73b0\u5728\u4f7f\u7528\u9ed8\u8ba4\u7684 ASP.NET Core Identity UI \u548c cookie \u8eab\u4efd\u9a8c\u8bc1\u6765\u5904\u7406\u5355\u4e2a\u7528\u6237\u5e10\u6237\u7684\u8eab\u4efd\u9a8c\u8bc1\u3002\u8fd9\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u5b89\u5168\u7684\u5355\u9875\u5e94\u7528\u7a0b\u5e8f (SPA) \u9879\u76ee\uff0c\u800c\u65e0\u9700\u914d\u7f6e\u548c\u7ba1\u7406\u5168\u529f\u80fd OpenID Connect (OIDC) \u670d\u52a1\u5668\u7684\u590d\u6742\u6027\u3002\u5bf9\u4e8e\u4ecd\u9700\u8981\u5b8c\u6574 OIDC \u652f\u6301\u7684\u9879\u76ee\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Duende<a href=\"https:\/\/docs.duendesoftware.com\/identityserver\/v5\/quickstarts\/5_aspnetid\/\">\u9879\u76ee\u6a21\u677f\u901a\u8fc7 ASP.NE T Core Identity \u8bbe\u7f6e Duende IdentityServer<\/a>\u3002<\/p>\n<h4><strong>\u63a8\u8350<\/strong> <span style=\"color: #993300;\"><strong>AuthorizationBuilder<\/strong> <\/span><strong>\u7528\u6cd5\u7684\u65b0\u5206\u6790\u5668<\/strong><\/h4>\n<p>\u5728 .NET 7 \u4e2d\uff0c\u6211\u4eec\u5f15\u5165\u4e86\u5bf9 <span style=\"color: #993300;\">AddAuthorizationBuilder<\/span> API \u7684\u652f\u6301\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u4f7f\u7528\u66f4\u7b80\u6d01\u7684\u8c03\u7528\u6a21\u5f0f\u6765\u6ce8\u518c\u6388\u6743\u670d\u52a1\u548c\u914d\u7f6e\u6388\u6743\u7b56\u7565\u3002\u5728\u6b64\u9884\u89c8\u7248\u4e2d\uff0c\u6211\u4eec\u5f15\u5165\u4e86\u65b0\u7684 Roslyn \u5206\u6790\u5668\uff0c\u4ee5\u652f\u6301\u5728\u9002\u7528\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u65b0\u7684 <span style=\"color: #993300;\">AddAuthorizationBuilder<\/span> API \u66f4\u65b0\u5230 terser \u8bed\u6cd5\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/devblogs.microsoft.com\/dotnet\/wp-content\/uploads\/sites\/10\/2023\/06\/addauthorizationbuilder-analyzer.gif\" \/><\/p>\n<p>\u611f\u8c22\u793e\u533a\u6210\u5458<a href=\"https:\/\/github.com\/david-acker\">David Acker<\/a>\u5bf9\u65b0\u7684\u5206\u6790\u5668\u7684\u8d21\u732e\uff01<\/p>\n<h3><strong>\u63d0\u4f9b\u53cd\u9988<\/strong><\/h3>\n<p>\u6211\u4eec\u5e0c\u671b\u60a8\u559c\u6b22 .NET 8 \u4e2d\u7684 ASP.NET Core\u7684\u9884\u89c8\u7248\u3002\u8bf7\u5728<a href=\"https:\/\/github.com\/dotnet\/aspnetcore\/issues\/new\">GitHub<\/a>\u4e0a\u63d0\u4ea4\u95ee\u9898\u6765\u544a\u8bc9\u6211\u4eec\u60a8\u5bf9\u8fd9\u4e9b\u65b0\u6539\u8fdb\u7684\u770b\u6cd5\u3002<\/p>\n<p>\u611f\u8c22\u60a8\u4f7f\u7528 ASP.NET Core\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1aDaniel Roth\u00a0 \u00a0\u539f\u6587\uff1aASP.NET Core updates in .NET 8 Preview 5 &#8211; .NET Blog (microsoft.com) .NET 8 Preview 5 \u73b0\u5728\u5df2\u7ecf\u53d1\u5e03\uff0c\u5176\u4e2d\u5305\u62ec\u4e86\u5bf9 ASP.NET Core \u7684\u8bb8\u591a\u91cd\u8981\u66f4\u65b0\u3002 \u4ee5\u4e0b\u662f\u9884\u89c8\u7248\u672c\u4e2d\u65b0\u589e\u529f\u80fd\u7684\u6458\u8981\uff1a \u6539\u8fdb\u4e86NET Core\u8c03\u8bd5\u4f53\u9a8c \u670d\u52a1\u5668\u548c\u4e2d\u95f4\u4ef6 IHttpSysRequestTimingFeature ITlsHandshakeFeature \u4e2d\u7684 SNI \u4e3b\u673a\u540d IExceptionHandler Blazor \u65b0\u7684 Blazor Web App\u9879\u76ee\u6a21\u677f Blazor \u8def\u7531\u4e0e\u7aef\u70b9\u8def\u7531\u7684\u96c6\u6210 \u4f7f\u7528Blazor Server\u542f\u7528\u5404\u4e2a\u7ec4\u4ef6\u7684\u4ea4\u4e92\u6027 \u6539\u8fdb\u4e86 Webcil \u6587\u4ef6\u7684\u6253\u5305 Blazor \u5185\u5bb9\u5b89\u5168\u7b56\u7565 (Content Security Policy, CSP)\u7684\u517c\u5bb9\u6027 API\u7f16\u5199 \u652f\u6301\u6cdb\u578b\u5c5e\u6027 SignalR SignalR \u65e0\u7f1d\u91cd\u8fde [&hellip;]<\/p>\n","protected":false},"author":97248,"featured_media":434,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[2,13,14],"class_list":["post-413","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dotnet-ch","tag-net","tag-asp-net-core","tag-blazor"],"acf":[],"blog_post_summary":"<p>\u4f5c\u8005\uff1aDaniel Roth\u00a0 \u00a0\u539f\u6587\uff1aASP.NET Core updates in .NET 8 Preview 5 &#8211; .NET Blog (microsoft.com) .NET 8 Preview 5 \u73b0\u5728\u5df2\u7ecf\u53d1\u5e03\uff0c\u5176\u4e2d\u5305\u62ec\u4e86\u5bf9 ASP.NET Core \u7684\u8bb8\u591a\u91cd\u8981\u66f4\u65b0\u3002 \u4ee5\u4e0b\u662f\u9884\u89c8\u7248\u672c\u4e2d\u65b0\u589e\u529f\u80fd\u7684\u6458\u8981\uff1a \u6539\u8fdb\u4e86NET Core\u8c03\u8bd5\u4f53\u9a8c \u670d\u52a1\u5668\u548c\u4e2d\u95f4\u4ef6 IHttpSysRequestTimingFeature ITlsHandshakeFeature \u4e2d\u7684 SNI \u4e3b\u673a\u540d IExceptionHandler Blazor \u65b0\u7684 Blazor Web App\u9879\u76ee\u6a21\u677f Blazor \u8def\u7531\u4e0e\u7aef\u70b9\u8def\u7531\u7684\u96c6\u6210 \u4f7f\u7528Blazor Server\u542f\u7528\u5404\u4e2a\u7ec4\u4ef6\u7684\u4ea4\u4e92\u6027 \u6539\u8fdb\u4e86 Webcil \u6587\u4ef6\u7684\u6253\u5305 Blazor \u5185\u5bb9\u5b89\u5168\u7b56\u7565 (Content Security Policy, CSP)\u7684\u517c\u5bb9\u6027 API\u7f16\u5199 \u652f\u6301\u6cdb\u578b\u5c5e\u6027 SignalR SignalR \u65e0\u7f1d\u91cd\u8fde [&hellip;]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/posts\/413","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\/97248"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/comments?post=413"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/posts\/413\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/media\/434"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/media?parent=413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/categories?post=413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet-ch\/wp-json\/wp\/v2\/tags?post=413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}