1 添加数据

[Description("生成数据")]
private void ResetData()
{
    uiLineChart1.Option.Clear();
    for (int i = 0; i < 4; i++)
    {
        var pointX = new List<double>();
        var pointY = new List<double>();
        for (int j = 0; j < 100; j++)
        {
            pointX.Add(j);
            pointY.Add(i + Math.Sin(j / 100.0 * (Math.PI * 2 * 4)));
        }
        AddChartData($"线条：{i}", pointX.ToArray(), pointY.ToArray());
    }
    SetChartLineStyle();
}

/// <summary>
/// 向图标添加数据
/// </summary>
/// <param name="name">线条名称</param>
/// <param name="arrx">横轴数据</param>
/// <param name="arry">纵轴数据</param>
private void AddChartData(string name, double[] arrx, double[] arry)
{
    var line = new UILineSeries(name);
    line.XData.AddRange(arrx);
    line.YData.AddRange(arry);
    uiLineChart1.Option.AddSeries(line);
}

2 设置样式

[Description("设置ChartLineStyle")]
private void SetChartLineStyle()
{
    /**
     *    添加数据
     *    var line = new UILineSeries(name);
     *    line.XData.AddRange(arrx);//double[]
          line.YData.AddRange(arry);//double[]
     *    uiLineChart1.Option.AddSeries(line);
     */

    uiLineChart1.Option.ShowZeroLine = false;
    uiLineChart1.Option.ShowZeroValue = false;
    uiLineChart1.Option.XAxis.Clear();

    var uiTitle = new UITitle { Text = "图表一", SubText = "正玄波" };
    uiLineChart1.Option.Title = uiTitle;//设置图表名称

    uiLineChart1.Option.XAxis.Name = "时间";//横轴名称
    uiLineChart1.Option.YAxis.Name = "金钱1";//纵轴名称
    uiLineChart1.Option.Y2Axis.Name = "金钱2";//纵轴名称

    uiLineChart1.Option.XAxis.ShowGridLine = true;//横轴网格线
    uiLineChart1.Option.YAxis.ShowGridLine = true;//纵轴网格线


    //uiLineChart1.Option.XAxisType = UIAxisType.Value;//横轴类型
    //uiLineChart1.Option.XAxis.SetRange(DateTime.Now, DateTime.Now.AddMinutes(10));//设置横轴时间范围
    uiLineChart1.Option.XAxisType = UIAxisType.Value;//横轴类型

    float xMin, xMax, yMin, yMax;
    GetAxisRange(true, out xMin, out xMax);
    GetAxisRange(false, out yMin, out yMax);
    uiLineChart1.Option.XAxis.SetRange(xMin, xMax);//设置横轴范围（1.类型为时间时需要设置时间范围；2.可通过改属性重置图表显示）
    uiLineChart1.Option.YAxis.SetRange(yMin, yMax);//设置横轴范围（1.类型为时间时需要设置时间范围；2.可通过改属性重置图表显示）

    uiLineChart1.Refresh();

}

3 获取坐标轴的最大最小值

/// <summary>
/// 获取轴系范围
/// </summary>
/// <param name="isXAxis">是否为X轴</param>
/// <param name="min">最大值</param>
/// <param name="max">最小值</param>
private void GetAxisRange(bool isXAxis, out float min, out float max)
{
    min = isXAxis ? 0 : -10;
    max = isXAxis ? 100 : 10;
    if (uiLineChart1.Option.Series.Count < 1) return;

    var name = uiLineChart1.Option.Series.ElementAt(0).Key;
    double tempMin, tempMax;
    if (isXAxis)
    {
        tempMin = uiLineChart1.Option.Series[name].XData.Min();
        tempMax = uiLineChart1.Option.Series[name].XData.Max();
        for (int i = 1; i < uiLineChart1.Option.Series.Count; i++)
        {
            name = uiLineChart1.Option.Series.ElementAt(i).Key;
            tempMin = Math.Min(uiLineChart1.Option.Series[name].XData.Min(), tempMin);
            tempMax = Math.Max(uiLineChart1.Option.Series[name].XData.Max(), tempMax);
        }
    }
    else
    {
        tempMin = uiLineChart1.Option.Series[name].YData.Min();
        tempMax = uiLineChart1.Option.Series[name].YData.Max();
        for (int i = 1; i < uiLineChart1.Option.Series.Count; i++)
        {
            name = uiLineChart1.Option.Series.ElementAt(i).Key;
            tempMin = Math.Min(uiLineChart1.Option.Series[name].YData.Min(), tempMin);
            tempMax = Math.Max(uiLineChart1.Option.Series[name].YData.Max(), tempMax);
        }
        double dReservedValue = (tempMax - tempMin) * 0.2;//上下预留1/5
        tempMin -= dReservedValue;
        tempMax += dReservedValue;
    }
    min = (float)tempMin;
    max = (float)tempMax;
}