C#使用RestSharp HTTP组件发送post文件请求

NuGet安装 RestSharp 

推荐使用 105.2.3.0版本

注意bug：var response=client.Execute<Student>(request); 该方法序列化成实体有问题，可以改成序列化成dynamic(动态类)

           //Get
            {
                var client = new RestClient("https://localhost:44370/api/First");
                client.Authenticator = new RestSharp.Authenticators.HttpBasicAuthenticator("admin", "admin");
 
                var request = new RestRequest(Method.GET);
                request.AddHeader("Content-Type", "application/json");
                request.Timeout = 10000;
                request.AddHeader("Cache-Control", "no-cache");  
                request.AddParameter("name", "value"); // adds to POST or URL querystring based on Method
                request.AddUrlSegment("id", "123"); // replaces matching token in request.Resource
 
                // add parameters for all properties on an object
                //request.AddJsonObject(@object);
 
                //直接传输一个实体
                //request.AddJsonBody("实体");
 
                //request.AddObject(object, "PersonId", "Name", ...);
                request.AddHeader("header", "value");
 
                //add files to upload (works with compatible verbs)
                //request.AddFile("file", path);
 
                var response = client.Execute(request);
                var content = response.Content;
            }
            //POST(单个参数与)
            {
                var client = new RestClient("https://localhost:44370/api/Unity");
                var request = new RestRequest(Method.POST);
                request.AddParameter("", "value");
 
                var response = client.Execute(request);
                var content = response.Content;
            }
            //POST(实体参数)
            {
                var client = new RestClient("https://localhost:44370/api/Unity/PostTest");
                var request = new RestRequest(Method.POST);
                request.AddHeader("Content-Type", "application/json");
                Student stu = new Student
                {
                    AGE = 26,
                    ID = 1,
                    NAME = "czk",
                    PWD = 123456
                };
                request.AddJsonBody(stu);
 
                //var response = client.Execute<Student>(request);//报错、
                var response = client.Execute<dynamic>(request);
                var retStu = Newtonsoft.Json.JsonConvert.DeserializeObject<Student>(response.Data);
            }
 
             //上传文件
            {
                var client = new RestClient("https://localhost:44370/api/File/UploadFiles");
                var request = new RestRequest(Method.POST);
                var imagePath = AppDomain.CurrentDomain.BaseDirectory + @"File\image.jpg";
                request.AddFile("image", imagePath);
 
                var response = client.Execute(request);
                var content = response.Content;
            }
            //下载文件
            {
                var client = new RestClient("https://localhost:44370/api/File/DownloadFile");
                var request = new RestRequest(Method.GET);
 
                string tempFile = Path.GetTempFileName();
                var writer = File.OpenWrite(tempFile);
                request.ResponseWriter = responseStream =>
                {
                    using (responseStream)
                    {
                        responseStream.CopyTo(writer);
                    }
                };
                byte[] bytes = client.DownloadData(request);
            }