目录

一 设计原型

二 后台代码

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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; }}
}