調用華為簡訊開發包髮長簡訊(C#版 CMPP3.0)

描述：應特殊需要，必須在很短時間內開發穩定的簡訊處理常式，採用了移動給的簡訊開發包，長簡訊發送一直沒有找到相關文檔解決，作為一個碼農只能找些非主流的方法解決問題了

api聲明

       [DllImport("SMEIDLL.DLL",CharSet = CharSet.Unicode)]       public static extern int CMPP3Submit(        [MarshalAs(UnmanagedType.U1)] byte byPKTotal,        [MarshalAs(UnmanagedType.U1)] byte byPKNumber,        [MarshalAs(UnmanagedType.U1)] byte SRR,        [MarshalAs(UnmanagedType.U1)] byte byMsglevel,        [MarshalAs(UnmanagedType.LPStr)]  StringBuilder ServiceSubType,        [MarshalAs(UnmanagedType.U1)] byte byFeeUserType,        [MarshalAs(UnmanagedType.LPStr)]  StringBuilder sFeeAddr,        [MarshalAs(UnmanagedType.U1)] byte byFeeTerminalType,        [MarshalAs(UnmanagedType.U1)] byte PID,        UInt32 Default_ID,        [MarshalAs(UnmanagedType.U1)] byte UDHI,        [MarshalAs(UnmanagedType.U1)] byte DCS,       [MarshalAs(UnmanagedType.LPStr)]  StringBuilder sSPID,       [MarshalAs(UnmanagedType.LPStr)]  StringBuilder sFeeType,       [MarshalAs(UnmanagedType.LPStr)]  StringBuilder sFeeCode,       [MarshalAs(UnmanagedType.LPStr)]  StringBuilder Schedule,       [MarshalAs(UnmanagedType.LPStr)]  StringBuilder Expire,       [MarshalAs(UnmanagedType.LPStr)]  StringBuilder OrgAddr,       [MarshalAs(UnmanagedType.U1)] byte byUserNum,       [MarshalAs(UnmanagedType.LPStr)]  StringBuilder sDestAddrs,       [MarshalAs(UnmanagedType.U1)] byte byDestTerminalType,       UInt32 UDLen,       String UserData,       [MarshalAs(UnmanagedType.LPStr)]  StringBuilder sLinkID,     [MarshalAs(UnmanagedType.LPStr)] StringBuilder byMsgID);

 

長簡訊發送調用 ，仔細分析下吧

                                       UDHI = 1;                   int HeadLenght = 7;  //包頭長度                      string MtMsg = _message.StrSMSContent;                   byte[] messageUCS2 = Encoding.BigEndianUnicode.GetBytes(MtMsg);                                    int messageUCS2Len = messageUCS2.Length;                   int maxMessageLen = 139;                   if (messageUCS2Len > maxMessageLen)                   {                     int messageUCS2Count = messageUCS2Len / (maxMessageLen - HeadLenght) + 1;                       //長簡訊分為多少條發送                       byPKTotal = (byte)messageUCS2Count;                       byte[] tp_udhiHead = new byte[HeadLenght];                       tp_udhiHead[0] = 0x06;                       tp_udhiHead[1] = 0x08;                       tp_udhiHead[2] = 0x04;                       tp_udhiHead[3] = 0x00;                           tp_udhiHead[4] = 0x00;                           tp_udhiHead[5] = (byte)messageUCS2Count;                       tp_udhiHead[6] = 0x01;                       //預設為第一條                       for (int i = 0; i< messageUCS2Count; i++)                       {                        byPKNumber = (byte)(i + 1);      //同一條簡訊的第幾條                           tp_udhiHead[6]=(byte)(i + 1);                         byte[] msgContent;                           if (i != messageUCS2Count - 1)                           {                             //不為最後一條               msgContent = BIConvert.byteAdd(tp_udhiHead,messageUCS2, i * (maxMessageLen - HeadLenght), (i + 1) * (maxMessageLen - HeadLenght));                               UDLen = (uint)msgContent.Length;                            }                           else                           {             msgContent = BIConvert.byteAdd(tp_udhiHead, messageUCS2, i * (maxMessageLen - HeadLenght), messageUCS2Len);                               msgContent = BIConvert.byteAdd(msgContent, new byte[] { 0 }, 0, 1);                               UDLen = (uint)msgContent.Length - 1;                           }                           string str_msgContent = Encoding.Unicode.GetString(msgContent);                           int isSub = SMEI.CMPP3Submit(byPKTotal, byPKNumber, SRR, byMsglevel, ServiceSubType, byFeeUserType, sFeeAddr,           byFeeTerminalType, PID, Default_ID, UDHI, DCS, sSPID, sFeeType, sFeeCode,        Schedule, Expire, OrgAddr, byUserNum, sDestAddrs, byDestTerminalType, UDLen, str_msgContent,        sLinkID, byMsgID);}}

 

不是最好的方法，但是解決問題，超長簡訊也無壓力。