如何接收命令的输出

本文介绍了如何接收命令的输出的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 嗨朋友.. 如何收到at命令的输出。 这是我的表格 http://prntscr.com/2tkrzz [ ^ ] 这是我的代码 hi friends..How to received output of at command.this my form http://prntscr.com/2tkrzz[^]this my codePublic Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load, btnRefresh.Click PortList.Items.Clear() For Each a As String In My.Computer.Ports.SerialPortNames 'collecting available port PortList.Items.Add(a) Next End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnConnect.Click If btnConnect.Text = "CONNECT" Then 'opeing port If SerialPort1.IsOpen Then SerialPort1.Close() End If Try With SerialPort1 .PortName = PortList.Text .BaudRate = 115200 .ReadBufferSize = 500 .Parity = IO.Ports.Parity.None .DataBits = 8 .StopBits = IO.Ports.StopBits.One .Handshake = IO.Ports.Handshake.None End With SerialPort1.Open() btnConnect.Text = "DISCONNECT" PortList.Enabled = False With lblStatus .Text = "Connected" .ForeColor = Color.Green End With Catch ex As Exception MsgBox(ex.Message) End Try Else 'closing port Try SerialPort1.Close() btnConnect.Text = "CONNECT" PortList.Enabled = True With lblStatus .Text = "Not Connected" .ForeColor = Color.Red End With Catch ex As Exception MsgBox(ex.Message) End Try End If End Sub Private Sub Form1_FormClosed(ByVal sender As System.Object, ByVal e As System.Windows.Forms.FormClosedEventArgs) Handles MyBase.FormClosed Try SerialPort1.Close() 'closing serial port Catch ex As Exception MsgBox(ex.Message) End Try End Sub Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If UssdInput.Text.Length < 1 Then Exit Sub Try SerialPort1.WriteLine("AT+CUSD=1," & Chr(34) & UssdInput.Text & Chr(34) & ",15" & vbCrLf) 'send at command Catch ex As Exception MessageBox.Show(ex.Message, "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error) End Try End SubEnd Class 推荐答案 嗨Jhony， 您只需要在通过com端口写入命令后使用serialport obj调用Readexisting（）方法。 例如在C＃中： - serialport1.readexisting（）; 欲了解更多信息，请查看上述方法。 Warm Reagrds， 热情的编码器。Hi Jhony,You just need to call the Readexisting() method with your serialport obj after writing command over com port.e.g. IN C# :-serialport1.readexisting();For more info have a look over the above method.Warm Reagrds,passionate coder. 这篇关于如何接收命令的输出的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！