移动和联通接口 发送短信(C#)

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Net;
using System.IO;
using cn.sh.unicom.groupsms;

/// <summary>
/// Mobmsg 的摘要说明
/// </summary>
public class Mobmsg
{

    private string _MobNum;
    private string _MobMsg;

 public Mobmsg()
 {
  //
  // TODO: 在此处添加构造函数逻辑
  //
 }

    public Mobmsg(string MobNum, string MobMsg)
    {
        this._MobNum = MobNum;
        this._MobMsg = MobMsg;
    }

    public void SendMsg()
    {
        if (CheckType(this._MobNum))
            ToMobile();
        else
            ToUnicom();
    }

    public void ToMobile()
    {//移动的接口
        Encoding encoding = Encoding.GetEncoding("gb2312");
        string enterpriseid = "123456";//企业代码
        string accountid = "123";
        string pwd = "yourpwd";
        string postData = "enterpriseid=" + enterpriseid + "&accountid=" + accountid + "&pswd=" + pwd + "&mobs=" + this._MobNum + "&msg=" + this._MobMsg;
        string strUrl = "http://211.136.163.68:8000/httpserver";
        byte[] data = encoding.GetBytes(postData);
        // 准备请求...
        HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(strUrl);
        myRequest.Method = "POST";
        myRequest.ContentType = "application/x-www-form-urlencoded";
        myRequest.ContentLength = data.Length;
        Stream newStream = myRequest.GetRequestStream();
        // 发送数据
        newStream.Write(data, 0, data.Length);
        newStream.Close();
    }

    public void ToUnicom()
    {//联通的接口
        cn.sh.unicom.groupsms.Login myLogin = new cn.sh.unicom.groupsms.Login();
        string MySessionID = "";

        myLogin.username = "yourname";　//用户名123456789
        myLogin.userType = "0";
        myLogin.password = "yourpwd";　　//密码
        LoginMes mes1 = new LoginMes();
        mes1.login = myLogin;

        SmWSImplService Binding = new SmWSImplService();
        OpResult Value1 = new OpResult();
        try
        {
            Value1 = Binding.memberLogin(mes1);
        }
        catch
        {
            ;
        }

        MySessionID = Value1.sessionId;//'得到sessionid
        SendBatchSMS(Binding, MySessionID, this._MobMsg, "companycode");//companycode为企业代号1112345
        Value1 = Binding.logout(mes1);
    }

    public bool CheckType(string MobileNum)
    {
        string ForeStr = MobileNum.Substring(0, 3);
        int ForeNum = Convert.ToInt32(ForeStr);
        if (ForeNum <= 134)
            return false;
        else
            return true;

    }

    public void SendBatchSMS(SmWSImplService Binding, string SessionID, string SmsMsg, string AccountID)
    {
        BatchMsg MySendSM = new BatchMsg();
        OpResult Value1 = new OpResult();
        string[] SendAddrs = new string[1];
        SendAddrs[0] = this._MobNum;      //发送号码数组    手机号码
        MySendSM.sessionId = SessionID;
        MySendSM.msgContent = SmsMsg;
        MySendSM.destAddrs = SendAddrs;
        Value1 = Binding.SendBatchMessage(MySendSM);
        MySendSM=null;
        Value1 = null;

    }
}

在调用联通的接口的时候还要添加一个 http://groupsms.unicom.sh.cn/websms/services/SmWSImpl?wsdl  webservice

然后我们可以在其它页面使用
Mobmsg msg = new Mobmsg("要发送信息的手机号码","要发送的内容");
msg.SendMsg();
这样就可以了