ng2-charts:如何设置y轴的固定范围

npm install ng2-charts chart.js --save

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { ChartsModule } from 'ng2-charts';

import { AppComponent } from './app.component';

@NgModule({
  imports: [BrowserModule, ChartsModule],
  declarations: [AppComponent],
  bootstrap: [AppComponent]
})
export class AppModule { }

<canvas baseChart
        [datasets]="barChartData"
        [labels]="barChartLabels"
        [options]="barChartOptions"
        [legend]="barChartLegend"
        [chartType]="barChartType"></canvas>

import { Component } from '@angular/core';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  public barChartOptions = {
    scales: {
      yAxes: [{
        ticks: {
          min: 0, // 设置y轴的最小值
          max: 100 // 设置y轴的最大值
        }
      }]
    }
  };

  public barChartLabels = ['January', 'February', 'March', 'April', 'May', 'June', 'July'];
  public barChartType = 'bar';
  public barChartLegend = true;

  public barChartData = [
    { data: [65, 59, 80, 81, 56, 55, 40], label: 'Series A' },
    { data: [28, 48, 40, 19, 86, 27, 90], label: 'Series B' }
  ];
}