asp.net core 上传大文件设置

 //设置接收文件长度的最大值。
            services.Configure<FormOptions>(x =>
            {
                x.ValueLengthLimit = int.MaxValue;
                x.MultipartBodyLengthLimit = int.MaxValue;
                x.MultipartHeadersLengthLimit = int.MaxValue;
            });

  //[RequestSizeLimit()]
        [DisableRequestSizeLimit]
        public async Task<IActionResult> Post()
        {.......}