如何正确使用C#短信接口发送招生短信

群发短信对教育机构来讲虽然是个不错的招生工具,但怎么使用决定着生源转化效率,如果是为了单纯的发短信而发短信效率当然不好,那么如何正确使用招生群发短信呢?技巧才是关键!

　　教育短信发送较多的就是招生群发短信内容,而运营商对教育行业内容审核一般比较严格,需要短信公司特殊的教育短信通道配合才能完成大批量群发任务.

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　一般招生群发短信效率比较好的用户是这样发的:

　1、过滤无价值的推广内容

　　招生短信要明确发送目标和目的,短信内容尽量短小简洁,这也是为什么一条短信建议尽量控制在70字以内的原因,切忌长篇大论,生怕招生信息说不完一样,反而容易引起用户方案或投诉,影响效率不说,得不偿失!

　　2、招生群发短信请控制发送频率

　　教育企业可以针对招生推广目标制定相应的发送时间表,在短信平台设置发送里可以提前设置发送时间,比如在高考冲刺前推送考考补习课程、小升初推送相关补习质量等.一般建议1天发送1次即可,群发短信时间,建议根据自身客户阅读习惯来自行安排.

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WinApiDemo
{
    class Program
    {
        private const string url = "http://www.lokapi.cn/smsUTF8.aspx";
        private const string urlReply = "http://www.lokapi.cn/callApi.aspx";
        private const string urlStatus = "http://www.lokapi.cn/statusApi.aspx";
        private const string urlBalance = "http://www.lokapi.cn/smsUTF8.aspx";
        private const string urlKeyword = "http://www.lokapi.cn/checkWord.aspx";
        private const string rece = "json";
        private const string username = "";
        private const string password = "";
        private const string encode = "utf-8";

        //token
        private const string tokenYZM = "";//验证码
        private const string tokenTZ = "";//通知
        private const string tokenYX = "";//营销
        private const string tokenMMS = "";//彩信
        private const string tokenVideo = "";//视频
        private const string tokenSX = "";//闪信
        private const string tokenVoice = "";//语音
        private const string tokenInter = "";//国际
        //模板ID
        private const string templateid = "";
        //参数
        private const string param = "17733861234|2541";

        private const string mobile = "";
        private const string title = "祝福短信";//彩信标题

        static void Main(string[] args)
        {
            string result = "";
            string sign = "";
            string passwordMd5 = Common.Md5Hash(password);
            string ticks = ((DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000).ToString();
            Encoding encoding = Encoding.GetEncoding(encode);

            StringBuilder sb = new StringBuilder();

            #region 文字短信
            sb.AppendFormat("action=sendtemplate&username={0}&password={1}&token={2}&timestamp={3}", username, passwordMd5, tokenYZM, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            sb.AppendFormat("&templateid={0}&param={1}", templateid, param);
            result = Common.HttpPost(url, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 彩信
            sb.Clear();
            sb.AppendFormat("action=sendimagetext&username={0}&password={1}&token={2}&timestamp={3}", username, passwordMd5, tokenYZM, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            sb.AppendFormat("&mobile={0}&title={1}", mobile, title);
            //彩信发送主体
            //文字
            string content = "祝你生日快乐";
            Encoding encodingGB = Encoding.GetEncoding("gb2312");
            byte[] txt_bytes = encoding.GetBytes(content);
            string txt = Convert.ToBase64String(txt_bytes);
            //图片
            string path = @"D:\我的文档\Pictures\11.jpg";
            string extension = "jpg";//图片后缀
            byte[] bytes = File.ReadAllBytes(path);
            string imgContent = System.Convert.ToBase64String(bytes);
            string message = string.Format("txt|{0},{1}|{2};", txt, extension, imgContent);
            message = message.Replace("%", "%25");
            message = message.Replace("&", "%26");
            message = message.Replace("+", "%2B");
            sb.AppendFormat("&message={0}", message);
            result = Common.HttpPost(url, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 视频
            sb.Clear();
            sb.AppendFormat("action=sendvideo&username={0}&password={1}&token={2}&timestamp={3}", username, passwordMd5, tokenYZM, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            sb.AppendFormat("&mobile={0}&templateid={1}", mobile, templateid);
            result = Common.HttpPost(url, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 闪信
            sb.Clear();
            sb.AppendFormat("action=sendshanxin&username={0}&password={1}&token={2}&timestamp={3}", username, passwordMd5, tokenYZM, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            sb.AppendFormat("&templateid={0}&param={1}", templateid, param);
            result = Common.HttpPost(url, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 语音
            sb.Clear();
            sb.AppendFormat("action=sendvoice&username={0}&password={1}&token={2}&timestamp={3}", username, passwordMd5, tokenYZM, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            sb.AppendFormat("&templateid={0}&param={1}", templateid, param);
            result = Common.HttpPost(url, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 国际
            sb.Clear();
            sb.AppendFormat("action=sendinternation&username={0}&password={1}&token={2}&timestamp={3}", username, passwordMd5, tokenYZM, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            sb.AppendFormat("&templateid={0}&param={1}", templateid, param);
            result = Common.HttpPost(url, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 文字回复报告
            sb.Clear();
            sb.AppendFormat("action=sms&username={0}&password={1}&timestamp={2}", username, passwordMd5, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            result = Common.HttpPost(urlReply, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 状态报告
            sb.Clear();
            //action根据API文档选择合适产品的action
            sb.AppendFormat("action=sms&username={0}&password={1}&timestamp={2}", username, passwordMd5, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            result = Common.HttpPost(urlStatus, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 余额查询
            sb.Clear();
            sb.AppendFormat("action=overage&username={0}&password={1}&token={2}&timestamp={3}", username, passwordMd5, tokenTZ, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}", sign, rece);
            result = Common.HttpPost(urlBalance, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            #region 屏蔽词检测
            sb.Clear();
            sb.AppendFormat("username={0}&password={1}&timestamp={2}", username, passwordMd5, ticks);
            sign = Common.Md5Hash(sb.ToString());
            sb.AppendFormat("&sign={0}&rece={1}&message={2}", sign, rece, "您的验证码是5412");
            result = Common.HttpPost(urlKeyword, sb.ToString(), encoding);
            Console.WriteLine(result);
            #endregion

            Console.ReadKey();
        }
    }
}

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace WinApiDemo
{
    public class Common
    {
        public static string HttpPost(string Url, string Body, Encoding encode)
        {
            string ResponseContent = "";

            try
            {
                HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(Url);

                httpWebRequest.ContentType = "application/x-www-form-urlencoded";
                httpWebRequest.Method = "POST";
                httpWebRequest.Timeout = 600000; //setInstanceFollowRedirects

                byte[] btBodys = encode.GetBytes(Body);
                httpWebRequest.ContentLength = btBodys.Length;

                Stream reqStream = httpWebRequest.GetRequestStream();
                reqStream.Write(btBodys, 0, btBodys.Length);

                HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();

                Stream resStream = httpWebResponse.GetResponseStream();
                StreamReader streamReader = new StreamReader(resStream, encode);
                ResponseContent = streamReader.ReadToEnd();

                streamReader.Close();
                resStream.Close();
                reqStream.Close();

                streamReader.Dispose();
                resStream.Dispose();
                reqStream.Dispose();

                httpWebResponse.Close();
                httpWebResponse.Dispose();
                httpWebRequest.Abort();
            }
            catch (Exception ex)
            {
                return ex.ToString();
            }
            return ResponseContent;
        }

        public static string Md5Hash(string input)
        {
            MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider();
            byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));
            StringBuilder sBuilder = new StringBuilder();
            for (int i = 0; i < data.Length; i++)
            {
                sBuilder.Append(data[i].ToString("x2"));
            }
            return sBuilder.ToString().ToUpper();
        }

    }
}

　3、挑选比较感兴趣的话题

　　招生也不一定非得发送招生内容,招生群发短信现在比较流行的是采用热点话题,委婉的引入课程营销,”露骨式”的营销方式在遍地营销短信的时代已经达不到吸引用户的目的了,所以只有充足的了解师生需求,配合话题热点才能吸引更多流量.

　　总结：使用招生群发短信技巧只是其一,稳定的平台通道是硬件基础,二者相辅相成才能取得期望的生源转化效率.