C# 开发（创蓝253）手机短信验证码接口

        #region  获取手机验证码(创蓝253)
        /// <summary>
        /// 获取手机验证码(创蓝253)
        /// </summary>
        /// <param name="phoneno">手机号</param>
        /// <returns></returns>
        [AllowAnonymous]
        public async Task<IHttpActionResult> GetPhoneCode(string phoneno)
        {
            string account = "******", password = "******", mobile = phoneno;
            Random rd = new Random(); int r = rd.Next(100000, 999999);
            string content = "【您的签名】"+"尊敬的客户:您的验证码为" + r + "!";
            string postStrTpl = "un={0}&pw={1}&phone={2}&msg={3}&rd=1";
            UTF8Encoding encoding = new UTF8Encoding();
            byte[] postData = encoding.GetBytes(string.Format(postStrTpl, account, password, mobile, content));
            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create("http://sms.253.com/msg/send");
            myRequest.Method = "POST";
            myRequest.ContentType = "application/x-www-form-urlencoded";
            myRequest.ContentLength = postData.Length;
            Stream newStream = myRequest.GetRequestStream();
            newStream.Write(postData, 0, postData.Length);
            newStream.Flush();
            newStream.Close();
            HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
            if (myResponse.StatusCode == HttpStatusCode.OK)
            {
                return Ok(new { code = "200", res = new { msg = "短信发送成功！", data = new { code = r } } });
            }
            else {
                return Ok(new { code = "400", res = new { msg = "短信发送失败！" } });
            }
        }
        #endregion