using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;
namespace Y_PostSms
{
  public class YMethod
  {
    private string THE_UID = ""; //用戶名
    private string THE_KEY = ""; //接口秘鑰
    /// <summary>返回UTF-8編碼發(fā)送接口地址</summary>
    /// <param name="receivePhoneNumber">目的手機號碼（多個手機號請用半角逗號隔開）</param>
    /// <param name="receiveSms">短信內(nèi)容，最多支持400個字，普通短信70個字/條，長短信64個字/條計費</param>
    /// <returns></returns>
    public string GetPostUrl(string smsMob, string smsText)
    {
      string postUrl = "http://utf8.sms.webchinese.cn/?Uid=" + THE_UID + "&key=" + THE_KEY + "&smsMob=" + smsMob + "&smsText=" + smsText;
      return postUrl;
    }
    /// <summary> 發(fā)送短信，得到返回值</summary>
    public string PostSmsInfo(string url)
    {
      //調(diào)用時只需要把拼成的URL傳給該函數(shù)即可。判斷返回值即可
      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;
    }
    /// <summary>確認返回信息 </summary>
    public string GetResult(string strRet)
    {
      int result = 0;
      try
      {
        result = int.Parse(strRet);
        switch (result)
        {
          case -1:
            strRet = "沒有該用戶賬戶";
            break;
          case -2:
            strRet = "接口密鑰不正確,不是賬戶登陸密碼";
            break;
          case -21:
            strRet = "MD5接口密鑰加密不正確";
            break;
          case -3:
            strRet = "短信數(shù)量不足";
            break;
          case -11:
            strRet = "該用戶被禁用";
            break;
          case -14:
            strRet = "短信內(nèi)容出現(xiàn)非法字符";
            break;
          case -4:
            strRet = "手機號格式不正確";
            break;
          case -41:
            strRet = "手機號碼為空";
            break;
          case -42:
            strRet = "短信內(nèi)容為空";
            break;
          case -51:
            strRet = "短信簽名格式不正確,接口簽名格式為：【簽名內(nèi)容】";
            break;
          case -6:
            strRet = "IP限制";
            break;
          default:
            strRet = "發(fā)送短信數(shù)量：" + result;
            break;
        }
      }
      catch (Exception ex)
      {
        strRet = ex.Message;
      }
      return strRet;
    }
  }
}