啤酒保鲜监控系统源码

using System;using System.Collections.Generic;using System.Text;using System.IO.Ports;using System.Threading;using System.Windows.Forms;namespace EcanBeerSystem{ public enum MsgType { AUSC2, A7Bit };//枚举 短信类型 AUSC2 A7Bit：7位编码 （中文用AUSC2，英文都可以 但7Bit能发送160字符，USC2仅70） public class myGSM { #region 构造函数 /// <summary> /// 无参数构造函数 完成有关初始化工作 /// </summary> public myGSM() { this.msgCenter = string.Empty; this.sp = new SerialPort(); this.sp.ReadTimeout = 10000;//读超时时间 发送短信时间的需要 this.sp.RtsEnable = true;//必须为true 这样串口才能接收到数据 this.sp.DataReceived = new SerialDataReceivedEventHandler(this.sp_DataReceived); } /// <summary> /// 构造函数 /// </summary> /// <param name="comPort">串口号</param> /// <param name="baudRate">波特率</param> public myGSM(string comPort, int baudRate) { this.msgCenter = string.Empty; this.sp = new SerialPort(); this.sp.PortName = comPort; this.sp.BaudRate = baudRate; this.sp.ReadTimeout = 10000;//读超时时间 发送短信时间的需要 this.sp.RtsEnable = true;//必须为true 这样串口才能接收到数据 this.sp.DataReceived = new SerialDataReceivedEventHandler(this.sp_DataReceived); } #endregion #region 私有变量 private SerialPort sp; private bool autoDelMsg = false;//是否自动删除短消息 private string msgCenter = string.Empty;//服务中心号码 private int newMsgIndex;//新消息序号 #endregion #region 属性 /// <summary> /// 是否自动删除短信(默认为false) /// </summary> public bool AutoDelMsg { get { return this.autoDelMsg; } set { this.autoDelMsg = value; } } /// <summary> /// 波特率 运行时只读 设备打开状态写入将引发异常 /// </summary> public int BaudRate { get { return this.sp.BaudRate; } set { this.sp.BaudRate = value; } } /// <summary> /// 串口号 运行时只读 设备打开状态写入将引发异常 /// 提供对串口端口号的访问 /// </summary> public string ComPort { get { return this.sp.PortName; } set { try { this.sp.PortName = value; } catch { } } } /// <summary> /// 设备是否打开 /// </summary> public bool IsOpen { get { return this.sp.IsOpen; } } #endregion #region 方法 /// <summary> /// 设置服务中心号码 /// </summary> /// <param name="msgCenterNo">服务中心号码</param> public void SetMsgCenterNo(string msgCenterNo) { this.msgCenter = msgCenterNo; } /// <summary> /// 设置是否自动删除新消息 /// </summary> /// <param name="b">True则自动删除</param> public void SetAutoDelMsg(bool b) { this.autoDelMsg = b; } /// <summary> /// 获取机器码 /// </summary> /// <returns></returns> public string GetMachineNo() { string temp = this.SendAT("AT CGMI"); if (temp.Substring(temp.Length - 4, 3).Trim() == "OK") { temp = temp.Split('\r')[2].Trim(); } else { return "获取机器码失败"; } return temp; } /// <summary> /// 获取短信中心号码 /// </summary> /// <returns></returns> public string GetMsgCenterNo() { string temp = string.Empty; if (msgCenter != null && msgCenter.Length != 0) { return msgCenter; } else { temp = this.SendAT("AT CSCA?"); if (temp.Substring(temp.Length - 4, 3).Trim() == "OK") { return temp.Split('\"')[1].Trim(); } else { return "获取短信中心失败"; } } } /// <summary> /// 取得未读信息列表 /// </summary> /// <returns>未读信息列表（中心号码，手机号码，发送时间，短信内容）</returns> public string[] GetUnReadMsg() { List<string> myResult = new List<string>(); string[] temp = null; string tt = string.Empty; tt = this.SendAT("AT CMGL=0");//读取未读信息 if (tt.Substring(tt.Length - 4, 3).Trim() == "OK") { temp = tt.Split('\r'); } PDUEncoding pe = new PDUEncoding(); int i = 0;//计数 foreach (string str in temp) { if (str != null && str.Length != 0 && str.Substring(0, 2).Trim() != " C" && str.Substring(0, 2) != "OK" && str.Substring(0, 2) != "AT") { myResult.Add( pe.PDUDecoder(str)); i ; } } string[] result=new string [myResult.Count]; for (int j = 0; j < myResult.Count; j ) { result[i] = myResult[i]; } return result; } /// <summary> /// 取得已读信息列表 /// </summary> /// <returns>已读信息列表（中心号码，手机号码，发送时间，短信内容）</returns> public string[] GetIsReadMsg() { string[] result = new string[255];//存储255条短信，一般手机上面存储的短信少于这个数 string[] temp = null; string tt = string.Empty; tt = this.SendAT("AT CMGL=1");//读取已读信息 if (tt.Substring(tt.Length - 4, 3).Trim() == "OK") { temp = tt.Split('\r'); } PDUEncoding pe = new PDUEncoding(); int i = 0;//计数 foreach (string str in temp) { if (str != null && str.Length != 0 && str.Substring(0, 2).Trim() != " C" && str.Substring(0, 2) != "OK" && str.Substring(0, 2) != "AT") { result[i] = pe.PDUDecoder(str); i ; } } return result; } /// <summary> /// 取得待发信息列表 /// </summary> /// <returns>待发信息列表（中心号码，手机号码，发送时间，短信内容）</returns> public string[] GetUnSendMsg() { string[] result = new string[255];//存储255条短信，一般手机上面存储的短信少于这个数 string[] temp = null; string tt = string.Empty; tt = this.SendAT("AT CMGL=2");//读取待发信息 if (tt.Substring(tt.Length - 4, 3).Trim() == "OK") { temp = tt.Split('\r'); } PDUEncoding pe = new PDUEncoding(); int i = 0;//计数 foreach (string str in temp) { if (str != null && str.Length != 0 && str.Substring(0, 2).Trim() != " C" && str.Substring(0, 2) != "OK" && str.Substring(0, 2) != "AT") { result[i] = pe.PDUDecoder(str); i ; } } return result; } /// <summary> /// 取得已发信息列表 /// </summary> /// <returns>已发信息列表（中心号码，手机号码，发送时间，短信内容）</returns> public string[] GetIsSendMsg() { string[] result = new string[255];//存储255条短信，一般手机上面存储的短信少于这个数 string[] temp = null; string tt = string.Empty; tt = this.SendAT("AT CMGL=3");//读取已发信息 if (tt.Substring(tt.Length - 4, 3).Trim() == "OK") { temp = tt.Split('\r'); } PDUEncoding pe = new PDUEncoding(); int i = 0;//计数 foreach (string str in temp) { if (str != null && str.Length != 0 && str.Substring(0, 2).Trim() != " C" && str.Substring(0, 2) != "OK" && str.Substring(0, 2) != "AT") { result[i] = pe.PDUDecoder(str); i ; } } return result; } /// <summary> /// 获取所有信息 /// </summary> /// <returns></returns> public string[] GetAllMsg() { string[] result = new string[255];//存储255条短信，一般手机上面存储的短信少于这个数 string[] temp = null; string tt = string.Empty; tt = this.SendAT("AT CMGL=4");//读取未读信息 if (tt.Substring(tt.Length - 4, 3).Trim() == "OK") { temp = tt.Split('\r'); } PDUEncoding pe = new PDUEncoding(); int i = 0;//计数 foreach (string str in temp) { if (str != null && str.Length != 0 && str.Substring(0, 2).Trim() != " C" && str.Substring(0, 2) != "OK" && str.Substring(0, 2) != "AT") { result[i] = pe.PDUDecoder(str); i ; } } return result; } /// <summary> /// 按序号读取短信（Text模式） /// </summary> /// <param name="index"></param> /// <returns></returns> public string ReadMsgInText(int index) { string msg = string.Empty; string phone = string.Empty; this.SendAT("AT CMGF=1"); Thread.Sleep(100); msg = this.SendAT("AT CMGR=" index.ToString()); phone = msg.Split((char)(13))[2].Split(',')[1].Substring(4, 11); msg = msg.Split((char)(13))[3];//取出PDU串(char)(13)为0x0a即\r 按\r分为多个字符串 第3个是PDU串 if (AutoDelMsg)//如果阅读完短信自动删除设置为真 { try { DelMsgByIndex(index); } catch { } } return msg "|" phone; } /// <summary> /// 读取设备新收到的短消息（Text模式） /// </summary> /// <returns></returns> public string ReadNewMsgInText() { return ReadMsgInText(newMsgIndex); } /// <summary> /// 读取设备新收到的短消息 /// </summary> /// <returns></returns> public string ReadNewMsg() { return ReadMsgByIndex(newMsgIndex); } /// <summary> /// 读取设备新收到的短消息仅返回内容 /// </summary> /// <returns></returns> public string ReadNewMsgOnlyContent() { return ReadOnlyMsgByIndex(newMsgIndex); } /// <summary> /// 发送AT命令 /// </summary> /// <param name="ATCom">AT命令</param> /// <returns></returns> public string SendAT(string ATCom) { string str = string.Empty; //忽略接收缓冲区内容，准备发送 this.sp.DiscardInBuffer(); //注销事件关联，为发送做准备 this.sp.DataReceived -= this.sp_DataReceived; try { this.sp.Write(ATCom "\r"); } catch {this.sp.DataReceived = this.sp_DataReceived;} try { string temp = string.Empty; while ((temp.Trim() != "OK") && (temp.Trim() != "ERROR")) { temp = this.sp.ReadLine(); str = temp; } } catch { }//遇到错误不作处理 //catch (Exception ex) //{ // MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error); //} finally { this.sp.DataReceived = this.sp_DataReceived; } return str; } /// <summary> /// 检测短信猫连接是否成功 /// </summary> /// <returns>成功返回真，否则返回假</returns> public bool isConnect() { string temp=""; try { temp= this.SendAT("AT"); if (temp.Substring(temp.Length - 4, 3).Trim() != "OK") { return false; } } catch { return false; } return true; } /// <summary> /// 发送短信PDU模式 /// </summary> /// <param name="phone">手机号码</param> /// <param name="msg">短信内容</param> public bool SendMsg(string phone, string msg) { string temp = "0011000D91" this.reverserNumber(phone) "000801" this.contentEncoding(msg) Convert.ToChar(26).ToString(); string len = this.getLenght(msg);//计算长度 try { this.sp.DataReceived -= sp_DataReceived; this.sp.Write("AT CMGF=0" "\r");//设置为PDU模式 Thread.Sleep(100); this.sp.Write("AT CMGS=" len "\r"); this.sp.ReadTo(">"); this.sp.DiscardInBuffer(); //事件重新绑定 正常监视串口数据 this.sp.DataReceived = sp_DataReceived; temp = this.SendAT(temp); if (temp.Substring(temp.Length - 4, 3).Trim() != "OK") { return false; } else { return true; } } catch { return false; } } /// <summary> /// 发送短信Text模式 /// </summary> /// <param name="phone">手机号码</param> /// <param name="msg">短信内容</param> public bool SendMsgText(string phone, string msg) { try { string temp = msg Convert.ToChar(26).ToString(); this.sp.DataReceived -= sp_DataReceived; this.sp.Write("AT CMGF=1" "\r");//设置为text模式 Thread.Sleep(200); this.sp.Write("AT CMGS=" phone "\r"); this.sp.ReadTo(">"); this.sp.DiscardInBuffer(); //事件重新绑定 正常监视串口数据 this.sp.DataReceived = sp_DataReceived; temp = this.SendAT(temp); if (temp.Substring(temp.Length - 4, 3).Trim() != "OK") { return false; } else { return true; } } catch { return false; } } #region 自定义方法 //获取短信内容的字节数 private string getLenght(string txt) { int i = 0; string s = ""; i = txt.Length * 2; i = 15; s = i.ToString(); return s; } //将手机号码转换为内存编码 private string reverserNumber(string phone) { string str = ""; //检查手机号码是否按照标准格式写，如果不是则补上 if (phone.Substring(0, 2) != "86") { phone = string.Format("86{0}", phone); } char[] c = this.getChar(phone); for (int i = 0; i <= c.Length - 2; i = 2) { str = c[i 1].ToString() c[i].ToString(); } return str; } //汉字解码为16进制 private string contentEncoding(string content) { Encoding encodingUTF = System.Text.Encoding.BigEndianUnicode; string s = ""; byte[] encodeByte = encodingUTF.GetBytes(content); for (int i = 0; i <= encodeByte.Length - 1; i ) { s = BitConverter.ToString(encodeByte, i, 1); } s = string.Format("{0:X2}{1}", s.Length / 2, s); return s; } private char[] getChar(string phone) { if (phone.Length % 2 == 0) { return Convert.ToString(phone).ToCharArray(); } else { return Convert.ToString(phone "F").ToCharArray(); } } #endregion /// <summary> /// 发送短信 （重载） /// </summary> /// <param name="phone">手机号码</param> /// <param name="msg">短信内容</param> /// <param name="msgType">短信类型</param> public void SendMsg(string phone, string msg, MsgType msgType) { if (msgType == MsgType.AUSC2) { SendMsg(phone, msg); } else { PDUEncoding pe = new PDUEncoding(); pe.ServiceCenterAddress = msgCenter; //短信中心号码 服务中心地址 string temp = pe.PDU7BitEncoder(phone, msg); int len = (temp.Length - Convert.ToInt32(temp.Substring(0, 2), 16) * 2 - 2) / 2; //计算长度 try { temp = SendAT("AT CMGS=" len.ToString() "\r" temp (char)(26)); //26 Ctrl Z ascii码 } catch (Exception) { throw new Exception("短信发送失败"); } if (temp.Substring(temp.Length - 4, 3).Trim() == "OK") { return; } throw new Exception("短信发送失败"); } } /// <summary> /// 关闭设备 /// </summary> public bool CloseComm() { try { this.sp.Close(); } catch { return false; } return true; } /// <summary> /// 打开设备 /// </summary> public bool OpenComm() { try { this.sp.Open(); } catch { return false; } if (this.sp.IsOpen) { try { this.sp.DataReceived -= this.sp_DataReceived; this.sp.Write("AT\r"); Thread.Sleep(100); string s = this.sp.ReadExisting().Trim(); s = s.Substring(s.Length - 2, 2); if (s != "OK") { return false; } this.SendAT("AT CMGF=0");//选择短消息格式默认为PDU Thread.Sleep(100); this.SendAT("AT CNMI=2,1");//选择当有新短消息来时提示方式 Thread.Sleep(100); } catch { return false; } } return true; } /// <summary> /// 拨打电话 /// </summary> /// <param name="telNum">电话号码</param> public bool Call(string telNum) { try { this.SendAT("ATD" telNum ";"); } catch { return false; } return true; } /// <summary> /// 按序号读取短信 /// </summary> /// <param name="index">序号</param> /// <param name="msgCenter">短信中心</param> /// <param name="phone">发送方手机号码</param> /// <param name="msg">短信内容</param> /// <param name="time">时间字符串</param> public void ReadMsgByIndex(int index, out string msgCenter, out string phone, out string msg, out string time) { string temp = string.Empty; PDUEncoding pe = new PDUEncoding(); try { temp = SendAT("AT CMGR=" index.ToString() "\r"); } catch { } if (temp.Trim() == "ERROR") { throw new Exception("没有此短信"); } temp = temp.Split((char)(13))[2]; //取出PDU串(char)(13)为0x0a即\r 按\r分为多个字符串 第3个是PDU串 pe.PDUDecoder(temp, out msgCenter, out phone, out msg, out time); } /// <summary> /// 按序号读取短信 /// </summary> /// <param name="index">序号</param> /// <returns>信息字符串 (中心号码，手机号码，发送时间，短信内容)</returns> public string ReadMsgByIndex(int index) { string temp = string.Empty; string msgCenter, phone, msg, time; PDUEncoding pe = new PDUEncoding(); try { temp = SendAT("AT CMGR=" index.ToString()); } catch { } if (temp.Trim() == "ERROR") { throw new Exception("没有此短信"); } temp = temp.Split((char)(13))[3]; //取出PDU串(char)(13)为0x0a即\r 按\r分为多个字符串 第3个是PDU串 pe.PDUDecoder(temp, out msgCenter, out phone, out msg, out time); if (AutoDelMsg)//如果阅读完短信自动删除设置为真 { try { DelMsgByIndex(index); } catch { } } return msgCenter "," phone "," time "," msg; } /// <summary> /// 按序号读取短信 /// </summary> /// <param name="index">序号</param> /// <returns>短信内容</returns> public string ReadOnlyMsgByIndex(int index) { string temp = string.Empty; string msgCenter, phone, msg, time; PDUEncoding pe = new PDUEncoding(); try { temp = SendAT("AT CMGR=" index.ToString()); } catch { } if (temp.Trim() == "ERROR") { throw new Exception("没有此短信"); } temp = temp.Split((char)(13))[3]; //取出PDU串(char)(13)为0x0a即\r 按\r分为多个字符串 第3个是PDU串 pe.PDUDecoder(temp, out msgCenter, out phone, out msg, out time); if (AutoDelMsg)//如果阅读完短信自动删除设置为真 { try { DelMsgByIndex(index); } catch { } } return msg; } /// <summary> /// 删除对应序号短信 /// </summary> /// <param name="index">短信序号</param> /// <returns></returns> public bool DelMsgByIndex(int index) { if (SendAT("AT CMGD=" index.ToString()).Trim() == "OK") { return true; } else { return false; } } /// <summary> /// 删除所有短信 /// </summary> /// <returns></returns> public bool DelAllMsg() { if (SendAT("AT CMGD=1,4")== "OK") { return true; } else { return false; } } #endregion /// <summary> /// 创建事件收到信息的委托 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> public delegate void OnRecievedHandler(object sender, EventArgs e); /// <summary> /// 收到短信息事件 OnRecieved /// 收到短信将引发此事件 /// </summary> public event OnRecievedHandler GetNewMsg; private void sp_DataReceived(object sender, SerialDataReceivedEventArgs e) { try { string str = this.sp.ReadLine(); if ((str.Length > 8) && (str.Substring(0, 6) == " CMTI:")) { this.newMsgIndex = Convert.ToInt32(str.Split(',')[1]); this.GetNewMsg(this, e); } } catch { } } } class PDUEncoding { private string serviceCenterAddress = "00"; /// <summary> /// 消息服务中心(1-12个8位组) /// </summary> public string ServiceCenterAddress { get { int len = 2 * Convert.ToInt32(serviceCenterAddress.Substring(0, 2)); string result = serviceCenterAddress.Substring(4, len - 2); result = ParityChange(result); result = result.TrimEnd('F', 'f'); return result; } set // { if (value == null || value.Length == 0) //号码为空 { serviceCenterAddress = "00"; } else { if (value[0] == ' ') { value = value.TrimStart(' '); } if (value.Substring(0, 2) != "86") { value = "86" value; } value = "91" ParityChange(value); serviceCenterAddress = (value.Length / 2).ToString("X2") value; } } } private string protocolDataUnitType = "11"; /// <summary> /// 协议数据单元类型(1个8位组) /// </summary> public string ProtocolDataUnitType { set { } get { return "11"; } } private string messageReference = "00"; /// <summary> /// 所有成功的短信发送参考数目（0..255） /// (1个8位组) /// </summary> public string MessageReference { get { return "00"; } } private string originatorAddress = "00"; /// <summary> /// 发送方地址（手机号码）(2-12个8位组) /// </summary> public string OriginatorAddress { get { int len = Convert.ToInt32(originatorAddress.Substring(0, 2), 16); //十六进制字符串转为整形数据 string result = string.Empty; if (len % 2 == 1) //号码长度是奇数，长度加1 编码时加了F { len ; } result = originatorAddress.Substring(4, len); result = ParityChange(result).TrimEnd('F', 'f'); //奇偶互换，并去掉结尾F return result; } } private string destinationAddress = "00"; /// <summary> /// 接收方地址（手机号码）(2-12个8位组) /// </summary> public string DestinationAddress { set { if (value == null || value.Length == 0) //号码为空 { destinationAddress = "00"; } else { if (value[0] == ' ') { value = value.TrimStart(' '); } if (value.Substring(0, 2) == "86") { value = value.TrimStart('8', '6'); } int len = value.Length; value = ParityChange(value); destinationAddress = len.ToString("X2") "A1" value; } } } private string protocolIdentifer = "00"; /// <summary> /// 参数显示消息中心以何种方式处理消息内容 /// （比如FAX,Voice）(1个8位组) /// </summary> public string ProtocolIdentifer { get { return protocolIdentifer; } set { } } private string dataCodingScheme = "08"; //暂时仅支持国内USC2编码 /// <summary> /// 参数显示用户数据编码方案(1个8位组) /// </summary> public string DataCodingScheme { get { return dataCodingScheme; } } private string serviceCenterTimeStamp = ""; /// <summary> /// 消息中心收到消息时的时间戳(7个8位组) /// </summary> public string ServiceCenterTimeStamp { get { string result = ParityChange(serviceCenterTimeStamp); result = "20" result.Substring(0, 12); //年加开始的“20” return result; } } private string validityPeriod = "C4"; //暂时固定有效期 /// <summary> /// 短消息有效期(0,1,7个8位组) /// </summary> public string ValidityPeriod { get { return "C4"; } } private string userDataLenghth = ""; /// <summary> /// 用户数据长度(1个8位组) /// </summary> public string UserDataLenghth { get { return (userData.Length / 2).ToString("X2"); } } private string userData = ""; /// <summary> /// 用户数据(0-140个8位组) /// </summary> public string UserData { get { int len = Convert.ToInt32(userDataLenghth, 16) * 2; string result = string.Empty; if (dataCodingScheme == "08" || dataCodingScheme == "18") //USC2编码 { //四个一组，每组译为一个USC2字符 for (int i = 0; i < len; i = 4) { string temp = userData.Substring(i, 4); int byte1 = Convert.ToInt16(temp, 16); result = ((char)byte1).ToString(); } } else { result = PDU7bitDecoder(userData); } return result; } set { userData = string.Empty; Encoding encodingUTF = Encoding.BigEndianUnicode; byte[] Bytes = encodingUTF.GetBytes(value); for (int i = 0; i < Bytes.Length; i ) { userData = BitConverter.ToString(Bytes, i, 1); } userDataLenghth = (userData.Length / 2).ToString("X2"); } } /// <summary> /// 奇偶互换 ( F) /// </summary> /// <param name="str">要被转换的字符串</param> /// <returns>转换后的结果字符串</returns> private string ParityChange(string str) { string result = string.Empty; if (str.Length % 2 != 0) //奇字符串 补F { str = "F"; } for (int i = 0; i < str.Length; i = 2) { result = str[i 1]; result = str[i]; } return result; } /// <summary> /// PDU编码器，完成PDU编码(USC2编码，最多70个字) /// </summary> /// <param name="phone">目的手机号码</param> /// <param name="Text">短信内容</param> /// <returns>编码后的PDU字符串</returns> public string PDUEncoder(string phone, string Text) { if (Text.Length > 70) { throw (new Exception("短信字数超过70")); } DestinationAddress = phone; UserData = Text; return serviceCenterAddress protocolDataUnitType messageReference destinationAddress protocolIdentifer dataCodingScheme validityPeriod userDataLenghth userData; } /// <summary> /// 7bit 编码 /// </summary> /// <param name="phone">手机号码</param> /// <param name="Text">短信内容</param> /// <returns>编码后的字符串</returns> public string PDU7BitEncoder(string phone, string Text) { if (Text.Length > 160) { throw new Exception("短信字数大于160"); } dataCodingScheme = "00"; DestinationAddress = phone; UserData = Text; return serviceCenterAddress protocolDataUnitType messageReference destinationAddress protocolIdentifer dataCodingScheme validityPeriod userDataLenghth userData; } /// <summary> /// 重载 解码，返回信息字符串 /// </summary> /// <param name="strPDU">短信PDU字符串</param> /// <returns>信息字符串（中心号码，手机号码，发送时间，短信内容）</returns> public string PDUDecoder(string strPDU) { int length = (Convert.ToInt32(strPDU.Substring(0, 2), 0x10) * 2) 2; this.serviceCenterAddress = strPDU.Substring(0, length); int num2 = Convert.ToInt32(strPDU.Substring(length 2, 2), 0x10); if ((num2 % 2) == 1) { num2 ; } num2 = 4; this.originatorAddress = strPDU.Substring(length 2, num2); this.dataCodingScheme = strPDU.Substring((length num2) 4, 2); this.serviceCenterTimeStamp = strPDU.Substring((length num2) 6, 14); this.userDataLenghth = strPDU.Substring((length num2) 20, 2); Convert.ToInt32(this.userDataLenghth, 0x10); this.userData = strPDU.Substring((length num2) 0x16); return (this.ServiceCenterAddress "," this.OriginatorAddress "," this.ServiceCenterTimeStamp "," this.UserData); } /// <summary> /// 完成手机或短信猫收到PDU格式短信的解码 暂时仅支持中文编码 /// 未用DCS部分 /// </summary> /// <param name="strPDU">短信PDU字符串</param> /// <param name="msgCenter">短消息服务中心 输出</param> /// <param name="phone">发送方手机号码 输出</param> /// <param name="msg">短信内容 输出</param> /// <param name="time">时间字符串 输出</param> public void PDUDecoder(string strPDU, out string msgCenter, out string phone, out string msg, out string time) { int lenSCA = Convert.ToInt32(strPDU.Substring(0, 2), 16) * 2 2; //短消息中心占长度 serviceCenterAddress = strPDU.Substring(0, lenSCA); int lenOA = Convert.ToInt32(strPDU.Substring(lenSCA 2, 2), 16); //OA占用长度 if (lenOA % 2 == 1) //奇数则加1 F位 { lenOA ; } lenOA = 4; //加号码编码的头部长度 originatorAddress = strPDU.Substring(lenSCA 2, lenOA); dataCodingScheme = strPDU.Substring(lenSCA lenOA 4, 2); //DCS赋值，区分解码7bit serviceCenterTimeStamp = strPDU.Substring(lenSCA lenOA 6, 14); userDataLenghth = strPDU.Substring(lenSCA lenOA 20, 2); int lenUD = Convert.ToInt32(userDataLenghth, 16) * 2; userData = strPDU.Substring(lenSCA lenOA 22); msgCenter = ServiceCenterAddress; phone = OriginatorAddress; msg = UserData; time = ServiceCenterTimeStamp; } /// <summary> /// PDU7bit的解码，供UserData的get访问器调用 /// </summary> /// <param name="len">用户数据长度</param> /// <param name="userData">数据部分PDU字符串</param> /// <returns></returns> private string PDU7bitDecoder(string userData) { string result = string.Empty; byte[] b = new byte[100]; string temp = string.Empty; for (int i = 0; i < userData.Length; i = 2) { b[i / 2] = (byte)Convert.ToByte((userData[i].ToString() userData[i 1].ToString()), 16); } int j = 0; //while计数 int tmp = 1; //temp中二进制字符字符个数 while (j < userData.Length / 2 - 1) { string s = string.Empty; s = Convert.ToString(b[j], 2); while (s.Length < 8) //s补满8位 byte转化来的 有的不足8位，直接解码将导致错误 { s = "0" s; } result = (char)Convert.ToInt32(s.Substring(tmp) temp, 2); //加入一个字符 结果集 temp 上一位组剩余 temp = s.Substring(0, tmp); //前一位组多的部分 if (tmp > 6) //多余的部分满7位，加入一个字符 { result = (char)Convert.ToInt32(temp, 2); temp = string.Empty; tmp = 0; } tmp ; j ; if (j == userData.Length / 2 - 1) //最后一个字符 { result = (char)Convert.ToInt32(Convert.ToString(b[j], 2) temp, 2); } } return result; } }}