// This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddCors(options =>
            {
                options.AddPolicy("CorsPolicy", policy =>
                {
                    policy.WithOrigins("http://localhost:8080")
                          .AllowAnyHeader()
                          .AllowAnyMethod()
                          //.AllowAnyOrigin()
                          .AllowCredentials();
                });
            });
            services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
                   .AddCookie(options =>
                   {
                       options.LoginPath = "/Account/login";
                       options.LogoutPath = "/Account/Logout";
                       options.AccessDeniedPath = "/Account/NoRight";
                       //主要此行代码同源策略模式
                       options.Cookie.SameSite = SameSiteMode.None;
                   });

            services.AddMvc();
        }
        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }
            app.UseCors("CorsPolicy");
            app.UseAuthentication();
            //app.UseHttpsRedirection();
            app.UseStaticFiles();
            //app.UseCookiePolicy();

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
        }

 // This method gets called by the runtime. Use this method to add services to the container.
  public void ConfigureServices(IServiceCollection services)
  {
      // 跨域请求设置 
      var urls = "http://localhost:8080/"; // 
      services.AddCors(options =>
      options.AddPolicy("CorsPolicy",
          builder => builder.WithOrigins(urls)
                            .AllowAnyMethod()
                            .AllowAnyHeader()
                            .AllowAnyOrigin()
                            .AllowCredentials()
                      ));
      // mvc设置
      services.AddMvc();

      // 身份验证
      services.AddAuthorization();
  }

  // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
            loggerFactory.AddDebug();

            if (env.IsDevelopment())
            {
                app.UseBrowserLink();
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }

            app.UseStaticFiles();

            // 身份验证
            app.UseCookieAuthentication(new CookieAuthenticationOptions
            {
                AuthenticationScheme = "Cookie",
                LoginPath = new PathString("/Account/Login")
            });

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
        }