c# Winfom客戶端 POST訪問WebApi 方法

服務方法

[AllowAnonymousAttribute]
        [HttpPost]
        public string PostWebName(dynamic login)
        {
            Dictionary<string, string> dict = new Dictionary<string, string>();
            dict.Add("姓名", Convert.ToString(login.name));
            dict.Add("密碼", Convert.ToString(login.pwd));

            return Tools.ConvertToJsonStr(dict);

        }

客戶端調用方法

Dictionary<string, string> dic = new Dictionary<string, string>();
            dic.Add("name", "第一個參數");
            dic.Add("pwd", "第二個參數");

            string url = "http://localhost:10450/api/EmpInfo/PostWebName";

            textBox2.Text = HttpPost(url, ObjectToJson(dic));

 

 string HttpPost(string URL, string Para)
        {
            // 創建HttpWebRequest對象
            HttpWebRequest httpRequest = (HttpWebRequest)WebRequest.Create(URL);
            httpRequest.Method = "POST";
           httpRequest.ContentType = "application/json";
            httpRequest.Headers.Add("Authorization", "lzsin");

            byte[] bytes = Encoding.UTF8.GetBytes(Para);
            using (Stream reqStream = httpRequest.GetRequestStream())
            {
                reqStream.Write(bytes, 0, bytes.Length);
                reqStream.Flush();
            }
            try
            {
                using (HttpWebResponse myResponse = (HttpWebResponse)httpRequest.GetResponse())
                {
                    StreamReader sr = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
                    string responseString = sr.ReadToEnd();
                    return responseString;
                }
            }
            catch (WebException ex)
            {
                var res = (HttpWebResponse)ex.Response;
                StreamReader sr = new StreamReader(res.GetResponseStream(), Encoding.UTF8);
                string str = sr.ReadToEnd();
                return str;
            }
        }