mes-client/UAS_MES_ZDXW/FunctionCode/SystemSetting/SystemSetting_ScaleTest.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Windows.Forms;
using UAS_MES_NEW.DataOperate;
using UAS_MES_NEW.Entity;
using UAS_MES_NEW.PublicMethod;

namespace UAS_MES_NEW.SystemSetting
{
    public partial class SystemSetting_ScaleTest : Form
    {

        Thread thread;

        bool ReadData = true;

        SerialPort serialPort1 = new SerialPort();
        Regex re = new Regex("\\d+.\\d+\\w+");

        public SystemSetting_ScaleTest()
        {
            InitializeComponent();
        }

        private void SystemSetting_ScaleTest_Load(object sender, EventArgs e)
        {
            SystemSetting_ScaleTest.CheckForIllegalCrossThreadCalls = false;
            ComList.Text = BaseUtil.GetCacheData("PortName").ToString();
            BaudRate.Text = BaseUtil.GetCacheData("BaudRate").ToString();
        }

        private void StartTest_Click(object sender, EventArgs e)
        {
            if (this.ComList.Text == "")
            {
                MessageBox.Show("端口号不可为空");
                return;
            }
            if (this.BaudRate.Text == "")
            {
                MessageBox.Show("波特率不可为空");
                return;
            }
            thread = new Thread(GetSerialData);
            try
            {
                ReadData = true;
                serialPort1.PortName = this.ComList.Text;
                serialPort1.BaudRate = int.Parse(BaudRate.Text);
                BaseUtil.SetCacheData("PortName", this.ComList.Text);
                BaseUtil.SetCacheData("BaudRate", BaudRate.Text);
                serialPort1.Open();
                thread.Start();
            }
            catch (Exception mes) { MessageBox.Show(mes.Message); }
        }


        private void GetSerialData()
        {
            if (serialPort1.IsOpen)
            {
                if (!SystemInf.OpenPort.Contains(serialPort1.PortName))
                {
                    SystemInf.OpenPort.Add(serialPort1.PortName);
                    try
                    {
                        while (ReadData)
                        {
                            try
                            {
                                Thread.Sleep(100);
                                int len = serialPort1.BytesToRead;
                                Byte[] readBuffer = new Byte[len];
                                serialPort1.Read(readBuffer, 0, len); //将数据读入缓存
                                string weigh = Encoding.Default.GetString(readBuffer);
                                if (weigh != ""&& weigh.Length>10)
                                {
                                    int firstIndex = weigh.IndexOf("="); // 查找第一个"="的索引  
                                    int secondIndex = weigh.IndexOf("=", firstIndex + 1); // 查找第二个"="的索引  
                                    string result = weigh.Substring(firstIndex + 1, secondIndex - firstIndex - 1);// 提取第一个"="和第二个"="之间的字符
                                    result = new string(result.ToCharArray().Reverse().ToArray());
                                    int index = 0;
                                    while (index < result.Length && result[index] == '0')
                                    {
                                        index++;
                                    }
                                    result = result.Substring(index);
                                    Remark.AppendText(result+"\n");
                                    Weight.Text = result;
                                }
                            }
                            catch (Exception)
                            {
                                ReadData = false;
                            }
                        }
                    }
                    catch (IOException ex) { MessageBox.Show(ex.Message); }
                }
                else
                    MessageBox.Show("端口已被占用，请关闭其他窗口");
            }
        }

        private void SystemSetting_ScaleTest_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (serialPort1.IsOpen)
            {
                ReadData = false;
                serialPort1.Close();
                SystemInf.OpenPort.Remove(serialPort1.PortName);
                thread.Interrupt();
            }
            //thread.Abort();
        }

        private void StopTest_Click(object sender, EventArgs e)
        {
            if (serialPort1.IsOpen)
            {
                ReadData = false;
                serialPort1.Close();
                SystemInf.OpenPort.Remove(serialPort1.PortName);
                thread.Abort();
            }
        }
    }
}