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.net 6: no se puede conectar desde Vuejs a signalR

Veo muchos tutoriales y sigo el formato de tutoriales, pero mi proyecto falló.
por favor mira mis códigos:
en código vs, mi proyecto vue.js:

principal.js:

 import VueSignalR from '@latelier/vue-signalr' Vue.use(VueSignalR, 'https://localhost:7082/chathub')

prueba.vue:

 created () { this.$socket.start({ log: true // Logging is optional but very helpful during development }) }

en vs 2022: mi proyecto central:

programa.cs:

 using WebApp2; var builder = WebApplication.CreateBuilder(args); builder.Services.AddSignalR(); var app = builder.Build(); app.MapGet("/", () => "Hello World!"); app.UseRouting(); app.UseEndpoints(endpoints => { endpoints.MapHub<ChatHub>("/chathub"); }); app.Run();

concentrador.cs:

 using Microsoft.AspNetCore.SignalR; namespace WebApp2 { public class ChatHub : Hub { public Task SendMessage(string user, string message) { return Clients.All.SendAsync("ReceiveMessage", user, message); } } }

pero resultado: imagen de resultado

over 4 years ago · Santiago Trujillo
1 answers
Answer question

0

agregue estos códigos a program.cs:

 builder.Services.AddCors(options => { options.AddPolicy(name: "MyPolicy", builder => { builder.WithOrigins( "http://localhost:8081") .AllowAnyHeader() .AllowAnyMethod() .AllowCredentials(); }); });

Y
app.UseCors("MyPolicy");

over 4 years ago · Santiago Trujillo Report
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