首页

电子秤读取小程序

c#

2020-9-1

using System;
using System.IO.Ports;
using System.Windows.Forms;

namespace ScaleReader
{
    public partial class FrmMain : Form
    {
        private Rs232 _rs232;

        public FrmMain()
        {
            InitializeComponent();
        }

        private void FrmMain_Load(object sender, EventArgs e)
        {
            ddlParity.SelectedIndex = 0;
            ddlStopbits.SelectedIndex = 1;
            ddlBaudrate.SelectedIndex = 0;

            ddlPort.DataSource = SerialPort.GetPortNames();
            if (ddlPort.Items.Count > 0)
            {
                ddlPort.SelectedIndex = 0;
            }
        }

        private static void Rs232_ExecuteResponse(string response)
        {
            SendKeys.Send(response);
        }

        private void btnStartStop_Click(object sender, EventArgs e)
        {
            if (btnStartStop.Text == @"开始")
            {
                var port = Convert.ToString(ddlPort.SelectedItem);
                var baudrate = Convert.ToInt32(ddlBaudrate.SelectedItem);
                var databits = Convert.ToInt32(txtDatabits.Text.Trim());
                var parity = (Parity)ddlParity.SelectedIndex;
                var stopBits = (StopBits)ddlStopbits.SelectedIndex;

                if (ddlPort.Items.Count <= 0) return;

                _rs232 = new Rs232(port, baudrate, databits, parity, stopBits);
                _rs232.ExecuteResponse  = Rs232_ExecuteResponse;

                btnStartStop.Text = @"停止";
                gbParams.Enabled = false;
                WindowState = FormWindowState.Minimized;
            }
            else
            {
                _rs232.ClosePort();
                _rs232 = null;
                btnStartStop.Text = @"开始";
                gbParams.Enabled = true;
            }
        }
    }
}

资源下载此资源下载价格为2D币(VIP免费),请先
资源文件列表
ScaleReader-master/.gitignore , 5582
ScaleReader-master/README.md , 93
ScaleReader-master/ScaleReader.sln , 1120
ScaleReader-master/ScaleReader/FrmMain.Designer.cs , 9871
ScaleReader-master/ScaleReader/FrmMain.cs , 1823
ScaleReader-master/ScaleReader/FrmMain.resx , 62476
ScaleReader-master/ScaleReader/Program.cs , 503
ScaleReader-master/ScaleReader/Properties/AssemblyInfo.cs , 1293
ScaleReader-master/ScaleReader/Properties/Resources.Designer.cs , 2764
ScaleReader-master/ScaleReader/Properties/Resources.resx , 5496
ScaleReader-master/ScaleReader/Properties/Settings.Designer.cs , 1068
ScaleReader-master/ScaleReader/Properties/Settings.settings , 242
ScaleReader-master/ScaleReader/RS232.cs , 6521
ScaleReader-master/ScaleReader/ScaleReader.csproj , 3971
ScaleReader-master/ScaleReader/logo.ico , 38078
没有账号? 忘记密码?

社交账号快速登录