aivfo-tl-3.0/aivfo-front-manament-2.0/ivf_tl_Manage/ViewModels/TestViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using OxyPlot;
using OxyPlot.Axes;
using OxyPlot.Legends;
using OxyPlot.Series;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace ivf_tl_Manage.ViewModels
{
    public partial class TestViewModel : BaseViewModel
    {

        [ObservableProperty]
        private PlotModel _HistoryModel;


        public TestViewModel()
        {
            string s = "";

            ObservableCollection<DataPoint> TempDataPoints = new ObservableCollection<DataPoint>();
            ObservableCollection<DataPoint> PressureDataPoints = new ObservableCollection<DataPoint>();
            for (int i = 30; i < 100; i++)
            {
                TempDataPoints.Add(OxyPlot.Axes.DateTimeAxis.CreateDataPoint(DateTime.Now.AddHours(i), i));
            }
            HistoryModel = new PlotModel();
            //InterpolationAlgorithm = InterpolationAlgorithms.CanonicalSpline, 曲线连接
            LineSeries TempLineSeries = new LineSeries { Title = "温度", ItemsSource = TempDataPoints };
            LineSeries PressureLineSeries = new LineSeries { Title = "压力", ItemsSource = PressureDataPoints };
            TempLineSeries.TrackerFormatString = "时间:{2:G}\n温度:{4:0.00}";
            PressureLineSeries.TrackerFormatString = "时间:{2:G}\n压力:{4:0.00}";
            TempLineSeries.MarkerType = MarkerType.Circle;
            PressureLineSeries.MarkerType = MarkerType.Circle;

            var dateTimeAxisHistory = new DateTimeAxis();
            dateTimeAxisHistory.Position = AxisPosition.Bottom;
            dateTimeAxisHistory.Title = "时间2";
            dateTimeAxisHistory.TitleFontSize = 30;
            dateTimeAxisHistory.StringFormat = "MM-dd\r\nHH-mm";
            dateTimeAxisHistory.TitleFont = @"C:\PersonalSpace\work\SourceHanSansSC-VF.ttf";
            dateTimeAxisHistory.MinorIntervalType = DateTimeIntervalType.Days;
            dateTimeAxisHistory.IntervalType = DateTimeIntervalType.Days;
            dateTimeAxisHistory.IntervalLength = 120;
            dateTimeAxisHistory.MajorStep = 10;
            dateTimeAxisHistory.MinorStep = 10;
            HistoryModel.Axes.Add(dateTimeAxisHistory);

            var numAxisHistory = new LinearAxis();
            numAxisHistory.Position = AxisPosition.Left;
            numAxisHistory.Maximum = 100;
            numAxisHistory.Minimum = 0;
            HistoryModel.Axes.Add(numAxisHistory);

            HistoryModel.Series.Add(TempLineSeries);
            HistoryModel.Series.Add(PressureLineSeries);
            var a = HistoryModel.Legends;

            //HistoryModel.LegendPosition = LegendPosition.BottomCenter;
            //HistoryModel.LegendOrientation = LegendOrientation.Horizontal;
            //HistoryModel.LegendFontSize = 25;
            //HistoryModel.LegendPlacement = LegendPlacement.Outside;
            ////RealModel.LegendItemSpacing = 100;
            //HistoryModel.LegendSymbolLength = 60;
        }
    }
}