Chart电量检测

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
using app.KeyBoards.Models;
using app.Lib;
using System.IO;

namespace app.DebugForms
{
    public partial class BatteryDetect : Form
    {
        private string _fileName;
        public BatteryDetect()
        {
            InitializeComponent();
            _fileName = DateTime.Now.Hour + "-" + DateTime.Now.Minute + "-" + DateTime.Now.Second;

        }

        private readonly Queue<double> _dataQueue = new Queue<double>(240);
       
        /// <summary>
        /// 初始化图表
        /// </summary>
        private void InitChart() 
        {
            //定义图表区域
            chart1.ChartAreas.Clear();
            ChartArea chartArea1 = new ChartArea("C1");
            chart1.ChartAreas.Add(chartArea1);

            //定义存储和显示点的容器
            chart1.Series.Clear();
            Series series1 = new Series("S1");
            series1.ChartArea = "C1";
            chart1.Series.Add(series1);


            //设置图表显示样式
            chart1.ChartAreas[0].AxisY.Minimum = 0;
            chart1.ChartAreas[0].AxisY.Maximum =100;
            chart1.ChartAreas[0].AxisY.Interval = 2;
            chart1.ChartAreas[0].AxisY.MajorGrid.LineColor = Color.MistyRose;


            chart1.ChartAreas[0].AxisX.Minimum = 0;
            chart1.ChartAreas[0].AxisX.Maximum = 120;
            chart1.ChartAreas[0].AxisX.Interval = 2;
            chart1.ChartAreas[0].AxisX.MajorGrid.LineColor = Color.MistyRose;

           
            //设置标题
            chart1.Titles.Clear();
            chart1.Titles.Add("S01");
            chart1.Titles[0].Text = "电量显示";
            chart1.Titles[0].ForeColor = Color.RoyalBlue;
            chart1.Titles[0].Font = new Font("宋体", 15F);
            chart1.Titles[0].Text = string.Format("电池 {0} 显示", "电量");

            //设置图表显示样式
            chart1.Series[0].Color = Color.Blue;
            chart1.Series[0].MarkerSize = 5;
            
            chart1.Series[0].ChartType = SeriesChartType.Spline;
            chart1.Series[0].MarkerStyle = MarkerStyle.Circle;

           //chart1.Series[0].Label = "#VAL";                //设置显示X Y的值   
            chart1.Series[0].ToolTip = "（#VALX，#VAL）";     //鼠标移动到对应点显示数值

            chart1.Series[0].Points.Clear();
        }


        private void timer1_Tick_1(object sender, EventArgs e)
        {
            UpdateQueueValue();
            chart1.Series[0].Points.Clear();
            for (int i = 0; i < _dataQueue.Count; i++)
            {
                chart1.Series[0].Points.AddXY((i), _dataQueue.ElementAt(i));
            }
            WriteFile();
        }
    
        private void btnStart_Click_1(object sender, EventArgs e)
        {
            timer1.Start();                  
        }

        private void btnStop_Click_1(object sender, EventArgs e)
        {
            timer1.Stop();
        }

        private int num = 1;//每次删除增加几个点
        private int page = 1;//每次删除增加几个点
        //更新队列中的值
        private void UpdateQueueValue() 
        {
            if (_dataQueue.Count > 120) 
            {
                ////先出列
                //for (int i = 0; i < num; i++)
                //{
                //    _dataQueue.Dequeue();
                //}
                _dataQueue.Clear();
                label1.Text = string.Format("Page: {0}", (++page));


            }          
            for (int i = 0; i < num; i++)
            {
              if (SingleChipVersion.SingleChip.BatteryPowerPercent!=null)
              _dataQueue.Enqueue(int.Parse(SingleChipVersion.SingleChip.BatteryPowerPercent));
            }                                                          
        }

        private void BatteryDetect_Load(object sender, EventArgs e)
        {
            InitChart();
            //_dataQueue.Enqueue(10);
            if (SingleChipVersion.SingleChip.BatteryPowerPercent!=null)
            {
                _dataQueue.Enqueue(int.Parse(SingleChipVersion.SingleChip.BatteryPowerPercent));
                chart1.Series[0].Points.Clear();
                for (int i = 0; i < _dataQueue.Count; i++)
                {
                    chart1.Series[0].Points.AddXY(0, _dataQueue.ElementAt(0));                   
                }
            }          
        }


        /// <summary>
        /// 写、读文件
        /// </summary>
        /// 
      
    
        void WriteFile()
        {
            if (_dataQueue.Count > 0)
            {
                string pathUrl = Application.StartupPath + "\\BatteryLog\\";
                string filePath = pathUrl + _fileName + ".txt";
                string contentInString = DateTime.Now.ToString("T") + "电量：" + _dataQueue.ElementAt(_dataQueue.Count - 1);
                Logger.Log("_dataQueue.Count - 1 :" +  _dataQueue.ElementAt(_dataQueue.Count - 1),Level.Info);
                try
                {
                    if (!Directory.Exists(pathUrl))
                    {
                        Directory.CreateDirectory(pathUrl);
                    }
                    FileStream file = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite);
                    using (StreamWriter writer1 = new StreamWriter(file))
                    {
                        file.Position = file.Length;
                        writer1.WriteLine(contentInString);                       
                        writer1.Close();
                        file.Close();
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message + ex.StackTrace);
                }

            }
           
        }
       
       
    }
}

 

来源：https://www.cnblogs.com/fengbaobao/p/11405558.html