视频短信，这一融合了视频、音频与文本的创新通信方式，不仅革新了传统短信的单一形式，更以其独特的魅力带领着移动通信的新风尚。它以移动视频格式为载体，实现了信息传输的多元化，为用户带来不一样的通信体验。

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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";//tokenprivate 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IDprivate 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actionsb.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);#endregionConsole.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; //setInstanceFollowRedirectsbyte[] 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();}}
}