C# 短信通知（中国网建sms短信平台API）

使用第三方短信平台（中国网建SMS短信平台）进行短信通知

http://www.smschinese.cn/api.shtml

string str = http://utf8.api.smschinese.cn/?Uid=本站用户名&Key=接口安全秘钥&smsMob=手机号码&smsText=验证码:8888
string result = GetHtmlFromUrl(str);

///中国网建短信平台
        public string GetHtmlFromUrl(string url)
        {
            string strRet = null;
            if (url == null || url.Trim().ToString() == "")
            {
                return strRet;
            }
            string targeturl = url.Trim().ToString();
            try
            {
                HttpWebRequest hr = (HttpWebRequest)WebRequest.Create(targeturl);
                hr.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
                hr.Method = "GET";
                hr.Timeout = 30 * 60 * 1000;
                WebResponse hs = hr.GetResponse();
                Stream sr = hs.GetResponseStream();
                StreamReader ser = new StreamReader(sr, Encoding.Default);
                strRet = ser.ReadToEnd();
            }
            catch (Exception ex)
            {
                strRet = null;
            }
            return strRet;
        }