@code{
private Task OnPieInit(int dsCount, int daCount)
{
var ds = new ChartDataSource();
ds.Options.XAxes.Add(new ChartAxes() { LabelString = "天数" });
ds.Options.ShowXAxesLine = false;
ds.Options.YAxes.Add(new ChartAxes() { LabelString = "数值" });
ds.Options.ShowYAxesLine = false;
ds.Labels = Colors.Take(daCount);
for (var index = 0; index < dsCount; index++)
{
ds.Data.Add(new ChartDataset()
{
Label = $"数据集 {index}",
Data = Enumerable.Range(1, daCount).Select(i => Randomer.Next(20, 37)).Cast