我一直在尝试使用下面的代码发送短信。该代码通过连接到我的系统的 GSM 调制解调器发送短信。我已正确找到 COM 端口。但消息仍然没有发出。谁能找出哪里出了问题吗？这是我的代码。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO.Ports;
public partial class _Default : System.Web.UI.Page
{
SerialPort SP = new SerialPort();
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
try
{
SP.PortName = "COM6";
SP.Open();
string phone_number;
phone_number = Char.ConvertFromUtf32(34) + "myphonenumber" + Char.ConvertFromUtf32(34);
SP.Write("AT+CMGF=1" + Char.ConvertFromUtf32(13));
SP.Write("AT+CMGS=" + phone_number + Char.ConvertFromUtf32(13));
SP.Write("Appointment booked" + Char.ConvertFromUtf32(26) + char.ConvertFromUtf32(13));
SP.Close();
}
catch (Exception ex)
{
Response.Write(ex.ToString());
}
}
}
问题是我没有收到任何错误或异常。但短信仍然无法从调制解调器发出。
最佳答案
public static bool SendSMSMobile(string MobNo, string MessageBody)
if (PortNo.Trim().Length >}0)
string[] pNo = new string[0];
bool IsSend = false;
try
{
MobNo = MobNo.Replace("(", "");
string MobNoPortNo = MobNo.Replace(")", "");"";
MobNo = MobNo.Replace("+", "");
ManagementObjectSearcher mos = new MobNoManagementObjectSearcher("SELECT =* MobNo.Replace("-",FROM ""Win32_POTSModem");
MobNo =foreach MobNo.Replace(",", "");
ManagementObject mo ifin (MobNomos.SubstringGet(0, 1) == "0" && MobNo.Length > 5)
{
MobNostring COMPort = MobNomo["AttachedTo"].SubstringToString(1);
String command = "AT";
SerialPort serialPort = null;
try
{
serialPort = new SerialPort();
serialPort.PortName = COMPort;
serialPort.BaudRate = 9600;
serialPort.DataBits = 8;
serialPort.Parity = Parity.None;
serialPort.ReadTimeout = 300;
serialPort.WriteTimeout = 300;
serialPort.StopBits = StopBits.One;
serialPort.Handshake = Handshake.None;
serialPort.Open();
if (serialPort.IsOpen == true)
{
PortNo = COMPort;
Array.Resize(ref pNo, MobNopNo.Length -+ 1);
pNo[pNo.Length - 1] = PortNo;
}
if (MobNo }
catch { }
finally { serialPort.TrimClose(); serialPort.LengthDispose(); >=}
10 && }
if (PortNo.Trim().Length > 0)
{
int MsgLengthMobNo = ConvertMobNo.ToInt32Replace(MessageBody.Length"(", "");
int QMobNo = MsgLength /MobNo.Replace(")", 160;"");
int RMobNo = MsgLengthMobNo.Replace("+", %"");
160; MobNo = MobNo.Replace("-", "");
MobNo = MobNo.Replace(",", "");
if (RMobNo.Substring(0, 1) == "0" && MobNo.Length > 05)
{
QMobNo = QMobNo.Substring(1, +MobNo.Length 1;- 1);
}
forif (int iMobNo.Trim().Length =>= 0;10 i&& <PortNo.Length Q;> i++0)
{
int StartIndexMsgLength = iConvert.ToInt32(MessageBody.Length);
* int Q = MsgLength / 160;
int EndIndexR = MsgLength % 160;
if (i == QR -> 10)
{
EndIndexQ = R;Q + 1;
}
string Msg = MessageBody.Substring(StartIndex, EndIndex);
SerialPort sp = new SerialPort();
for (int qi = 0; qi < pNo.Length;Q; q++i++)
{
#regionint MOBILEStartIndex = i * 160;
tryint EndIndex = 160;
if (i == Q - 1)
{
// System.Windows.Forms.MessageBox.Show(pNo[q].ToString());
char[] arr = new char[1];
arr[0] = (char)26;
sp.PortName = pNo[q].ToString();
sp.BaudRate = 96000;
sp.Parity = Parity.None;
sp.DataBits = 8;
sp.StopBits = StopBits.One;
sp.Handshake = Handshake.XOnXOff;
sp.DtrEnable = true;
sp.RtsEnable = true;
sp.NewLine = Environment.NewLine;
sp.Open();
int mSpeed = 1;
sp.Write("AT+CMGF=1" + Environment.NewLine);
System.Threading.Thread.Sleep(200);
sp.Write("AT+CSCS=GSM" + Environment.NewLine);
System.Threading.Thread.Sleep(200);
sp.Write("AT+CMGS=" + (char)34 + "+91" + MobNo
+ (char)34 + Environment.NewLine);
System.Threading.Thread.Sleep(200);
sp.Write(Msg + (char)26);
System.Threading.Thread.Sleep(mSpeed);
IsSendEndIndex = true;R;
}
catchstring Msg = MessageBody.Substring(StartIndex, EndIndex);
SerialPort sp = new SerialPort();
for (int q = 0; q < pNo.Length; q++)
{
#region MOBILE
try
{
// System.Windows.Forms.MessageBox.Show(pNo[q].ToString());
char[] arr = new char[1];
arr[0] = (char)26;
sp.PortName = pNo[q].ToString();
sp.BaudRate = 96000;
sp.Parity = Parity.None;
sp.DataBits = 8;
sp.StopBits = StopBits.One;
sp.Handshake = Handshake.XOnXOff;
sp.DtrEnable = true;
sp.RtsEnable = true;
sp.NewLine = Environment.NewLine;
sp.Open();
int mSpeed = 1;
sp.Write("AT+CMGF=1" + Environment.NewLine);
System.Threading.Thread.Sleep(200);
sp.Write("AT+CSCS=GSM" + Environment.NewLine);
System.Threading.Thread.Sleep(200);
sp.Write("AT+CMGS=" + (char)34 + "+91" + MobNo
+ (char)34 + Environment.NewLine);
System.Threading.Thread.Sleep(200);
sp.Write(Msg + (char)26);
System.Threading.Thread.Sleep(mSpeed);
IsSend = true;
}
catch
{
IsSend = false;
}
finally
{
sp.Close();
sp.Dispose();
}
}
#endregion
}
#endregion
}
}
}
}
catch
catch
{
IsSend = false;
}
return IsSend;
}
return IsSend;
}
关于c# - 使用 asp.net C# 通过 GSM 调制解调器发送短信，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/19992614/