目录

一 设计原型

二 后台代码

---

一 设计原型

模拟工具:

二 后台代码

主程序：

using System.IO.Ports;
using System.Net;
using System.Net.Sockets;
using System.Text;

namespace 扫码称重上位机
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }


        SerialPort serialPort = new SerialPort();
        TcpClient tcpClient = new TcpClient();
        bool IsRun = false;
        NetworkStream GetStream = null;
        Datas datas = new Datas();
        bool isCode = false;
        bool isWeight = false;

        private void 参数设置ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Parameter parameter = new Parameter();
            parameter.ShowDialog();
        }

        private void 运行ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                if (!serialPort.IsOpen)
                {
                    serialPort.Open();
                }
                if (!tcpClient.Connected)
                {
                    tcpClient.ConnectAsync(IPAddress.Parse("127.0.0.1"), 8899);
                    GetStream = tcpClient.GetStream();
                }

                IsRun = true;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void 停止ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                if (serialPort.IsOpen)
                {
                    serialPort.Close();
                }

                //if (tcpClient.Connected)
                //{
                //    tcpClient.Close();
                //}

                //if (GetStream != null)
                //{
                //    GetStream.Close();
                //}

                IsRun = false;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void 退出系统ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (IsRun)
            {
                MessageBox.Show("设备正在运行，请停止后在退出系统");
                return;
            }

            this.Close();
            System.Environment.Exit(0);

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                serialPort.PortName = "COM1";
                serialPort.Parity = Parity.None;
                serialPort.BaudRate = 115200;
                serialPort.StopBits = StopBits.One;
                serialPort.DataBits = 8;
                serialPort.DataReceived += SerialPort_DataReceived;
            }
            catch (Exception)
            {

            }


            Task.Run(() =>
            {
                while (true)
                {
                    if (IsRun)
                    {
                        try
                        {
                            if (GetStream != null)
                            {
                                byte[] bytes = new byte[1024];
                                GetStream.Read(bytes, 0, bytes.Length);
                                datas.weight = Encoding.UTF8.GetString(bytes);
                                isWeight = true;
                            }

                            if (isCode && isWeight)
                            {
                                datas.Result = "OK";
                                datas.DateTime = DateTime.Now.ToShortDateString();
                                datas.Note = "测试数据";

                                this.BeginInvoke(() =>
                                {
                                    dataGridView1.Rows.Add(datas.Code, datas.weight, datas.Result, datas.DateTime, datas.Note);
                                    isCode = false;
                                    isWeight = false;

                                });


                            }
                        }
                        catch (Exception)
                        {

                        }
                    }
                }
            });
        }


        private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            byte[] bytes = new byte[1024];
            serialPort.Read(bytes, 0, bytes.Length);
            datas.Code = Encoding.UTF8.GetString(bytes);
            isCode = true;
        }
    }


    public class Datas
    {
        public string Code { get; set; } = "";
        public string weight { get; set; } = "";
        public string Result { get; set; } = "";
        public string DateTime { get; set; } = "";
        public string Note { get; set; } = "";
    }
}

参数页面程序：

using System.IO.Ports;
using System.Text.Json;

namespace 扫码称重上位机
{
    public partial class Parameter : Form
    {
        public Parameter()
        {
            InitializeComponent();
        }

        string path = Directory.GetCurrentDirectory() + "\\PM.json";


        private void Parameter_Load(object sender, EventArgs e)
        {

            try
            {
                port.Items.AddRange(SerialPort.GetPortNames());

                object[] parityList = { Parity.None, Parity.Odd };
                ck.Items.AddRange(parityList);

                object[] arrs = { 115200, 9600 };
                bau.Items.AddRange(arrs);

                object[] stp = { StopBits.One, StopBits.None };
                stop.Items.AddRange(stp);

                object[] ds = { 6, 7, 8 };
                data.Items.AddRange(ds);


                ip.Items.Add("127.0.0.1");
                tcpport.Items.Add(9999);



                ParameterClass parameter = new ParameterClass();
                string str = File.ReadAllText(path);
                parameter = JsonSerializer.Deserialize<ParameterClass>(str);
                if (parameter != null)
                {
                    port.SelectedItem = parameter.Com;
                    ck.SelectedItem = parameter.Parity;
                    bau.SelectedItem = parameter.BaudRate;
                    stop.SelectedItem = parameter.StopBits;
                    data.SelectedItem = parameter.DataBits;
                    ip.SelectedItem = parameter.IP;
                    tcpport.SelectedItem = parameter.TCPPort;
                }


            }
            catch (Exception)
            {

            }


        }

        private void SAVE_Click(object sender, EventArgs e)
        {
            try
            {
                ParameterClass parameter = new ParameterClass();
                parameter.Com = port.Text;
                parameter.Parity = (Parity)ck.SelectedItem;
                parameter.BaudRate = int.Parse(bau.Text);
                parameter.StopBits = (StopBits)stop.SelectedItem;
                parameter.DataBits = int.Parse(data.Text);
                parameter.IP = ip.Text;
                parameter.TCPPort = int.Parse(tcpport.Text);

                File.WriteAllText(path, JsonSerializer.Serialize(parameter));
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
    }


    public class ParameterClass
    {
        public string Com { get; set; }
        public Parity Parity { get; set; }
        public int BaudRate { get; set; }
        public StopBits StopBits { get; set; }
        public int DataBits { get; set; }
        public string IP { get; set; }
        public int TCPPort { get; set; }
    }
}