Asp.Net Core2.0允许跨域请求设置

1、services

          /// <summary>

          ///

          /// </summary>

          /// <param name="services"></param>

          public void ConfigureServices(IServiceCollection services)

          {

              #region 允许跨域请求

              services.AddCors(options =>

              {

                 options.AddPolicy("CorsPolicy",

                     builder => builder

                         .AllowAnyOrigin()

                         .AllowAnyMethod()

                         .AllowAnyHeader()

                         .AllowCredentials());

             });

             #endregion

          }

2、app

         /// <summary>

         ///

         /// </summary>

         /// <param name="app"></param>

         /// <param name="env"></param>

         /// <param name="loggerFactory"></param>

         public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)

         {

             #region 允许跨域请求

             app.UseCors(builder => builder.AllowAnyOrigin().AllowAnyMethod().AllowAnyHeader().AllowCredentials());

             #endregion

         }