调用java rest ful 接口实例

HttpWebRequest request = WebRequest.Create("http://192.168.0.99:8080/wzh-webservice/rest/login?username=shuenjia&password=123456") as HttpWebRequest;//rest/login
            request.Method = "post";
            request.KeepAlive = true;
            request.Method = "getUserInfoByNameAndPwd";
            request.AllowAutoRedirect = false;
            request.ContentType = "application/x-www-form-urlencoded";
            byte[] postdatabtyes = Encoding.UTF8.GetBytes("param={\"username\":\"shuenjia\",\"password\":\"123456\"}");
            request.ContentLength = postdatabtyes.Length;
            Stream requeststream = request.GetRequestStream();
            requeststream.Write(postdatabtyes, , postdatabtyes.Length);
            requeststream.Close();
            string resp;
            try
            {
                using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
                {
                    StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                    resp = sr.ReadToEnd();
                }
            }
            catch
            {
            }

HttpWebRequest request = WebRequest.Create("http://") as HttpWebRequest;
            request.Credentials = new NetworkCredential("123", "123");
            request.Method = "POST";
            request.KeepAlive = true;
            request.AllowAutoRedirect = false;
            request.ContentType = "application/x-www-form-urlencoded";
            byte[] postdatabtyes = Encoding.UTF8.GetBytes("参数");
            request.ContentLength = postdatabtyes.Length;
            Stream requeststream = request.GetRequestStream();
            requeststream.Write(postdatabtyes, 0, postdatabtyes.Length);
            requeststream.Close();
            string resp;
            try
            {
                using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
                {
                    StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                    resp = sr.ReadToEnd();
                }
            }