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JavaScript
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39 KiB
JavaScript
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void ConfigureServices(IServiceCollection services)\r\n {\r\n // \u5176\u4ed6\u4ee3\u7801...\r\n\r\n // \u6dfb\u52a0\u5373\u65f6\u901a\u8baf\r\n services.AddSignalR();\r\n }\r\n\r\n public void Configure(IApplicationBuilder app, IWebHostEnvironment env)\r\n {\r\n // \u5176\u4ed6\u4ee3\u7801...\r\n\r\n app.UseEndpoints(endpoints =>\r\n {\r\n // \u6ce8\u518c\u96c6\u7ebf\u5668\r\n endpoints.MapHubs();\r\n\r\n endpoints.MapControllerRoute(\r\n name: "default",\r\n pattern: "{controller=Home}/{action=Index}/{id?}");\r\n });\r\n }\r\n }\r\n}\n'})}),"\n",(0,r.jsxs)(n.h2,{id:"245-signalr-\u957f\u8fde\u63a5\u548c\u96c6\u7ebf\u5668",children:["24.5 ",(0,r.jsx)(n.code,{children:"SignalR"})," \u957f\u8fde\u63a5\u548c\u96c6\u7ebf\u5668"]}),"\n",(0,r.jsxs)(n.p,{children:[(0,r.jsx)(n.code,{children:"SignalR"})," \u5305\u542b\u4e24\u79cd\u7528\u4e8e\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u7684\u6a21\u578b\uff1a",(0,r.jsx)(n.code,{children:"\u6301\u4e45\u6027\u8fde\u63a5"}),"\u548c ",(0,r.jsx)(n.code,{children:"\u96c6\u7ebf\u5668"})," \u4e2d\u5fc3\u3002"]}),"\n",(0,r.jsx)(n.h3,{id:"2451-\u6301\u4e45\u6027\u8fde\u63a5",children:"24.5.1 \u6301\u4e45\u6027\u8fde\u63a5"}),"\n",(0,r.jsxs)(n.p,{children:["\u8fde\u63a5\u8868\u793a\u7528\u4e8e\u53d1\u9001\u5355\u63a5\u6536\u65b9\u3001\u5206\u7ec4\u6216\u5e7f\u64ad\u6d88\u606f\u7684\u7b80\u5355\u7ec8\u7ed3\u70b9\u3002 ",(0,r.jsx)(n.code,{children:"\u6301\u4e45\u6027\u8fde\u63a5"})," (\u5728 .NET \u4ee3\u7801\u4e2d\u7531 PersistentConnection \u7c7b\u8868\u793a\uff0c\u5728 ASP.NET Core SignalR \u4e2d \uff0cPersistentConnection \u7c7b\u5df2\u88ab\u5220\u9664\u3002) \u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u76f4\u63a5\u8bbf\u95ee ",(0,r.jsx)(n.code,{children:"SignalR"})," \u516c\u5f00\u7684\u4f4e\u7ea7\u522b\u901a\u4fe1\u534f\u8bae\u3002 \u4f7f\u7528\u57fa\u4e8e\u8fde\u63a5\u7684 Api \uff08\u5982 Windows Communication Foundation\uff09\u7684\u5f00\u53d1\u4eba\u5458\u5c06\u5bf9\u4f7f\u7528\u8fde\u63a5\u901a\u4fe1\u6a21\u578b\u975e\u5e38\u719f\u6089\u3002"]}),"\n",(0,r.jsx)(n.h3,{id:"2452-\u96c6\u7ebf\u5668",children:"24.5.2 \u96c6\u7ebf\u5668"}),"\n",(0,r.jsxs)(n.p,{children:["\u96c6\u7ebf\u5668\u662f\u4e00\u79cd\u57fa\u4e8e\u8fde\u63a5 API \u6784\u5efa\u7684\u66f4\u9ad8\u7ea7\u522b\u7ba1\u9053\uff0c",(0,r.jsx)(n.strong,{children:"\u5b83\u5141\u8bb8\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u76f4\u63a5\u8c03\u7528\u65b9\u6cd5"}),"\u3002 ",(0,r.jsx)(n.code,{children:"SignalR"})," \u5c31\u50cf\u9b54\u672f\u4e00\u6837\u5904\u7406\u8de8\u673a\u5668\u8fb9\u754c\u7684\u8c03\u5ea6\uff0c\u4f7f\u5ba2\u6237\u7aef\u80fd\u591f\u50cf\u672c\u5730\u65b9\u6cd5\u4e00\u6837\u8f7b\u677e\u5730\u8c03\u7528\u670d\u52a1\u5668\u4e0a\u7684\u65b9\u6cd5\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002 \u5982\u679c\u5f00\u53d1\u4eba\u5458\u5df2\u4f7f\u7528\u8fdc\u7a0b\u8c03\u7528 \uff08\u5982 .NET \u8fdc\u7a0b\u5904\u7406\uff09\uff0c\u5219\u5c06\u5bf9\u4f7f\u7528\u4e2d\u5fc3\u901a\u4fe1\u6a21\u578b\u975e\u5e38\u719f\u6089\u3002 \u4f7f\u7528\u96c6\u7ebf\u5668\u8fd8\u53ef\u4ee5\u5c06\u5f3a\u7c7b\u578b\u53c2\u6570\u4f20\u9012\u7ed9\u65b9\u6cd5\uff0c\u4ece\u800c\u542f\u7528\u6a21\u578b\u7ed1\u5b9a\u3002"]}),"\n",(0,r.jsx)(n.admonition,{title:"\u5c0f\u77e5\u8bc6",type:"note",children:(0,r.jsxs)(n.p,{children:["\u60f3\u4e86\u89e3\u66f4\u591a\u5173\u4e8e ",(0,r.jsx)(n.code,{children:"\u6301\u4e45\u6027\u8fde\u63a5"})," \u548c ",(0,r.jsx)(n.code,{children:"\u96c6\u7ebf\u5668\u4e2d\u5fc3"})," \u53ef\u67e5\u9605 ",(0,r.jsx)(n.a,{href:"https://docs.microsoft.com/zh-cn/aspnet/signalr/overview/getting-started/introduction-to-signalr#connections-and-hubs",children:"SignalR \u5b98\u65b9\u6587\u6863"})]})}),"\n",(0,r.jsxs)(n.h2,{id:"246-\u96c6\u7ebf\u5668-hub-\u5b9a\u4e49",children:["24.6 \u96c6\u7ebf\u5668 ",(0,r.jsx)(n.code,{children:"Hub"})," \u5b9a\u4e49"]}),"\n",(0,r.jsxs)(n.p,{children:["**\u5728\u672c\u7ae0\u8282\u4e2d\u4e3b\u8981\u63a8\u8350\u4f7f\u7528\u96c6\u7ebf\u5668\u901a\u4fe1\u6a21\u578b\u65b9\u5f0f\u3002**\u8fd9\u91cc\u4e3b\u8981\u8bf4\u660e ",(0,r.jsx)(n.code,{children:"Hub"})," \u5b9a\u4e49\uff0c\u5982\u679c\u65e0\u6cd5\u7406\u89e3\u8be5\u901a\u4fe1\u6a21\u578b\u7684\u4f5c\u7528\u4e5f\u6ca1\u5173\u7cfb\uff0c\u63a5\u4e0b\u6765\u7684\u4f8b\u5b50\u4f1a\u5e26\u5927\u5bb6\u6162\u6162\u719f\u6089\u5e76\u4f7f\u7528\u3002"]}),"\n",(0,r.jsx)(n.h3,{id:"2461-\u4e24\u79cd\u5b9a\u4e49\u65b9\u5f0f",children:"24.6.1 \u4e24\u79cd\u5b9a\u4e49\u65b9\u5f0f"}),"\n",(0,r.jsxs)(n.p,{children:["\u5b9a\u4e49\u96c6\u7ebf\u5668\u53ea\u9700\u8981\u7ee7\u627f ",(0,r.jsx)(n.code,{children:"Hub"})," \u6216 ",(0,r.jsx)(n.code,{children:"Hub<TStrongType>"})," \u6cdb\u578b\u57fa\u7c7b\u5373\u53ef\uff0c\u5982\uff1a"]}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"Hub"})," \u65b9\u5f0f"]}),"\n"]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers {9}",children:'using Furion.InstantMessaging;\r\nusing Microsoft.AspNetCore.SignalR;\r\n\r\nnamespace Furion.Core\r\n{\r\n /// <summary>\r\n /// \u804a\u5929\u96c6\u7ebf\u5668\r\n /// </summary>\r\n public class ChatHub : Hub\r\n {\r\n // \u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u4f9b\u5ba2\u6237\u7aef\u8c03\u7528\r\n public Task SendMessage(string user, string message)\r\n {\r\n // \u89e6\u53d1\u5ba2\u6237\u7aef\u5b9a\u4e49\u76d1\u542c\u7684\u65b9\u6cd5\r\n return Clients.All.SendAsync("ReceiveMessage", user, message);\r\n }\r\n }\r\n}\n'})}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"Hub<TStrongType>"})," \u7c7b\u578b\u65b9\u5f0f"]}),"\n"]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers",children:"public interface IChatClient\r\n{\r\n Task ReceiveMessage(string user, string message);\r\n}\n"})}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers {1}",children:"public class StronglyTypedChatHub : Hub<IChatClient>\r\n{\r\n // \u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5\u4f9b\u5ba2\u6237\u7aef\u8c03\u7528\r\n public async Task SendMessage(string user, string message)\r\n {\r\n // \u89e6\u53d1\u5ba2\u6237\u7aef\u5b9a\u4e49\u76d1\u542c\u7684\u65b9\u6cd5\r\n await Clients.All.ReceiveMessage(user, message);\r\n }\r\n}\n"})}),"\n",(0,r.jsxs)(n.p,{children:["\u901a\u8fc7\u4f7f\u7528 ",(0,r.jsx)(n.code,{children:"Hub<IChatClient>"})," \u53ef\u4ee5\u5bf9\u5ba2\u6237\u7aef\u65b9\u6cd5\u8fdb\u884c\u7f16\u8bd1\u65f6\u68c0\u67e5\u3002 \u8fd9\u53ef\u4ee5\u9632\u6b62\u7531\u4e8e\u4f7f\u7528\u795e\u5947\u5b57\u7b26\u4e32\u800c\u5bfc\u81f4\u7684\u95ee\u9898\uff0c\u56e0\u4e3a ",(0,r.jsx)(n.code,{children:"Hub<T>"})," \u53ea\u80fd\u63d0\u4f9b\u5bf9\u5728\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\u7684\u8bbf\u95ee\u3002"]}),"\n",(0,r.jsxs)(n.h3,{id:"2462-maphub-\u914d\u7f6e\u8fde\u63a5\u5730\u5740",children:["24.6.2 ",(0,r.jsx)(n.code,{children:"[MapHub]"})," \u914d\u7f6e\u8fde\u63a5\u5730\u5740"]}),"\n",(0,r.jsxs)(n.p,{children:["\u5728 ",(0,r.jsx)(n.code,{children:"SignalR"})," \u5e93\u4e2d\u8981\u6c42\u6bcf\u4e00\u4e2a\u516c\u5f00\u7684\u96c6\u7ebf\u5668\u90fd\u9700\u8981\u914d\u7f6e\u5ba2\u6237\u7aef\u8fde\u63a5\u5730\u5740\uff0c\u6240\u4ee5\uff0c",(0,r.jsx)(n.code,{children:"Furion"})," \u6846\u67b6\u63d0\u4f9b\u4e86\u66f4\u52a0 ",(0,r.jsx)(n.code,{children:"[MapHub]"})," \u914d\u7f6e\uff0c\u5982\uff1a"]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers {1,11}",children:'using Furion.InstantMessaging;\r\nusing Microsoft.AspNetCore.SignalR;\r\nusing System;\r\nusing System.Threading.Tasks;\r\n\r\nnamespace Furion.Core\r\n{\r\n /// <summary>\r\n /// \u804a\u5929\u96c6\u7ebf\u5668\r\n /// </summary>\r\n [MapHub("/hubs/chathub")]\r\n public class ChatHub : Hub\r\n {\r\n // ...\r\n }\r\n}\n'})}),"\n",(0,r.jsxs)(n.admonition,{type:"important",children:[(0,r.jsxs)(n.mdxAdmonitionTitle,{children:[(0,r.jsx)(n.code,{children:"SignalR"})," \u539f\u751f\u914d\u7f6e\u65b9\u5f0f"]}),(0,r.jsxs)(n.p,{children:["\u5728 ",(0,r.jsx)(n.code,{children:"Furion"})," \u4e2d\u63a8\u8350\u4f7f\u7528 ",(0,r.jsx)(n.code,{children:"[MapHub]"})," \u65b9\u5f0f\u914d\u7f6e\u96c6\u7ebf\u5668\u5ba2\u6237\u7aef\u8fde\u63a5\u5730\u5740\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u4f7f\u7528 ",(0,r.jsx)(n.code,{children:"SignalR"})," \u63d0\u4f9b\u7684\u65b9\u5f0f\uff0c\u5982\u5728 ",(0,r.jsx)(n.code,{children:"Startup.cs"})," \u914d\u7f6e\uff1a"]}),(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers {10}",children:'public sealed class Startup : AppStartup\r\n{\r\n // \u5176\u4ed6\u4ee3\u7801\r\n public void Configure(IApplicationBuilder app, IWebHostEnvironment env)\r\n {\r\n // \u5176\u4ed6\u4ee3\u7801...\r\n app.UseEndpoints(endpoints =>\r\n {\r\n // \u6ce8\u518c\u96c6\u7ebf\u5668\r\n endpoints.MapHub<ChatHub>("/hubs/chathub");\r\n });\r\n }\r\n}\n'})})]}),"\n",(0,r.jsxs)(n.h3,{id:"2463-hub-\u6ce8\u518c\u66f4\u591a\u914d\u7f6e",children:["24.6.3 ",(0,r.jsx)(n.code,{children:"Hub"})," \u6ce8\u518c\u66f4\u591a\u914d\u7f6e"]}),"\n",(0,r.jsxs)(n.p,{children:["\u6709\u4e9b\u65f6\u5019\uff0c\u6211\u4eec\u9700\u8981\u6ce8\u518c ",(0,r.jsx)(n.code,{children:"Hub"})," \u65f6\u914d\u7f6e\u66f4\u591a\u53c2\u6570\uff0c\u6bd4\u5982\u6743\u9650\u3001\u8de8\u57df\u7b49\uff0c\u8fd9\u65f6\u53ea\u9700\u8981\u5728 ",(0,r.jsx)(n.code,{children:"Hub"})," \u6d3e\u751f\u7c7b\u4e2d\u7f16\u5199\u4ee5\u4e0b\u9759\u6001\u65b9\u6cd5\u5373\u53ef\uff1a"]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers {1,8,13,18}",children:'using Furion.InstantMessaging;\r\nusing Microsoft.AspNetCore.SignalR;\r\nusing System;\r\nusing System.Threading.Tasks;\r\n\r\nnamespace Furion.Core\r\n{\r\n [MapHub("/hubs/chathub")]\r\n public class ChatHub : Hub\r\n {\r\n // \u5176\u4ed6\u4ee3\u7801\r\n\r\n public static void HttpConnectionDispatcherOptionsSettings(HttpConnectionDispatcherOptions options)\r\n {\r\n // \u914d\u7f6e\r\n }\r\n\r\n public static void HubEndpointConventionBuilderSettings(HubEndpointConventionBuilder Builder)\r\n {\r\n // \u914d\u7f6e\r\n }\r\n }\r\n}\n'})}),"\n",(0,r.jsxs)(n.p,{children:["\u4ee5\u4e0a\u914d\u7f6e\u7b49\u4ef7\u4e8e ",(0,r.jsx)(n.code,{children:"SignalR"})," \u5728 ",(0,r.jsx)(n.code,{children:"Startup.cs"})," \u4e2d\u7684\u914d\u7f6e\uff1a"]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers",children:'app.UseEndpoints(endpoints =>\r\n{\r\n var builder = endpoints.MapHub<ChatHub>("/hubs/chathub", options =>\r\n {\r\n // \u914d\u7f6e\r\n });\r\n});\n'})}),"\n",(0,r.jsxs)(n.h2,{id:"247-\u83b7\u53d6-hub-\u5b9e\u4f8b\u65b9\u5f0f",children:["24.7 \u83b7\u53d6 ",(0,r.jsx)(n.code,{children:"Hub"})," \u5b9e\u4f8b\u65b9\u5f0f"]}),"\n",(0,r.jsxs)(n.p,{children:[(0,r.jsx)(n.code,{children:"SignalR"})," \u63d0\u4f9b\u4e86\u51e0\u79cd\u65b9\u5f0f\u8fdb\u884c\u83b7\u53d6 ",(0,r.jsx)(n.code,{children:"Hub"})," \u5b9e\u4f8b\u3002"]}),"\n",(0,r.jsxs)(n.h3,{id:"2471-ihubcontext-\u6ce8\u5165\u65b9\u5f0f",children:["24.7.1 ",(0,r.jsx)(n.code,{children:"IHubContext"})," 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\u89e3\u6790\u65b9\u5f0f"]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers {2}",children:" var hubContext = context.RequestServices\r\n .GetRequiredService<IHubContext<ChatHub>>();\n"})}),"\n",(0,r.jsxs)(n.h3,{id:"2473-ihost-\u4e2d\u89e3\u6790\u65b9\u5f0f",children:["24.7.3 ",(0,r.jsx)(n.code,{children:"IHost"})," \u4e2d\u89e3\u6790\u65b9\u5f0f"]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers {6}",children:"public class Program\r\n{\r\n public static void Main(string[] args)\r\n {\r\n var host = CreateHostBuilder(args).Build();\r\n var hubContext = host.Services.GetService(typeof(IHubContext<ChatHub>));\r\n host.Run();\r\n }\r\n\r\n public static IHostBuilder CreateHostBuilder(string[] args) =>\r\n Host.CreateDefaultBuilder(args)\r\n .ConfigureWebHostDefaults(webBuilder => {\r\n webBuilder.UseStartup<Startup>();\r\n });\r\n}\n"})}),"\n",(0,r.jsxs)(n.h3,{id:"2474-\u5f3a\u7c7b\u578b-ihubcontext-\u6ce8\u5165\u65b9\u5f0f",children:["24.7.4 \u5f3a\u7c7b\u578b ",(0,r.jsx)(n.code,{children:"IHubContext"})," \u6ce8\u5165\u65b9\u5f0f"]}),"\n",(0,r.jsxs)(n.p,{children:["\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c",(0,r.jsx)(n.code,{children:"IHubContext"})," \u975e\u6cdb\u578b\u5b9e\u4f8b\u8fd4\u56de\u7684\u662f ",(0,r.jsx)(n.code,{children:"dynamic"})," \u52a8\u6001\u7c7b\u578b\u5bf9\u8c61\uff0c\u8be5\u7c7b\u578b\u5bf9\u8c61\u65e0\u6cd5\u83b7\u5f97\u7f16\u8bd1\u671f\u8bed\u6cd5\u68c0\u67e5\u548c ",(0,r.jsx)(n.code,{children:"IDE"})," \u667a\u80fd\u63d0\u793a\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a\u548c\u81ea\u5b9a\u4e49 ",(0,r.jsx)(n.code,{children:"Hub"})," \u4e00\u6837\u7684\u65b9\u6cd5\u7b7e\u540d\u63a5\u53e3\uff0c\u5982\uff1a"]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-cs",metastring:"showLineNumbers {5,12}",children:"public class ChatController : Controller\r\n{\r\n public IHubContext<ChatHub, IChatClient> _strongChatHubContext { get; }\r\n\r\n public ChatController(IHubContext<ChatHub, IChatClient> chatHubContext)\r\n {\r\n _strongChatHubContext = chatHubContext;\r\n }\r\n\r\n public async Task SendMessage(string user, string message)\r\n {\r\n await _strongChatHubContext.Clients.All.ReceiveMessage(user, message);\r\n }\r\n}\n"})}),"\n",(0,r.jsxs)(n.h3,{id:"2475-ihubcontext-\u6cdb\u578b\u8f6c\u6362",children:["24.7.5 ",(0,r.jsx)(n.code,{children:"IHubContext"})," \u6cdb\u578b\u8f6c\u6362"]}),"\n",(0,r.jsxs)(n.p,{children:["\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u83b7\u53d6\u7684\u662f ",(0,r.jsx)(n.code,{children:"IHubContext<>"})," \u7684\u5b9e\u4f8b\uff0c\u4f46\u5728\u4e00\u4e9b\u53cd\u5c04\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u5c06 ",(0,r.jsx)(n.code,{children:"IHubContext<>"})," \u5f3a\u5236\u8f6c\u6362\u6210 ",(0,r.jsx)(n.code,{children:"IHubContext"})," 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