C# post、get調用webapi 傳值json

        //引入命名空間
        //using System.Net;
        //using System.IO;
        public string Post(string url, string msg)
        {
            string result = "";
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
            req.Method = "POST";
            req.ContentType = "application/json";

            byte[] data = Encoding.UTF8.GetBytes(msg);
            req.ContentLength = data.Length;
            using (Stream reqStream = req.GetRequestStream())
            {
                reqStream.Write(data, 0, data.Length);
                reqStream.Close();
            }

            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
            Stream stream = resp.GetResponseStream();
            //獲取響應內容
            using (StreamReader sr = new StreamReader(stream, Encoding.UTF8))
            {
                result = sr.ReadToEnd();
            }
            return result;
        }


        public string Get(string url)
        {
            string result = "";
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
            req.Method = "GET";
            req.ContentType = "application/json";

            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
            Stream stream = resp.GetResponseStream();
            //獲取響應內容
            using (StreamReader sr = new StreamReader(stream, Encoding.UTF8))
            {
                result = sr.ReadToEnd();
            }
            return result;
        }