我正在尝试实现highcharts-angle (https://github.com/highcharts/highcharts-angular)在我的角度申请,并出现以下错误
Cannot read property 'chart' of undefined
at HighchartsChartComponent.updateOrCreateChart (highcharts-chart.component.ts:35)
我想使用bellcurve模块,但无法正常工作。
我试图用stackblitz重现我的问题
请参阅https://stackblitz.com/edit/angular-unf7pz
不确定是什么问题
答案 0 :(得分:7)
通过使用https://github.com/highcharts/highcharts-angular
很容易遵循,但是从堆栈闪电中可以看出一些您没有遵循的指示:
1 /在shared/Highcharts/bellcurve/bellcurve-chart.component
中,您需要绑定Highcharts:
HTML:
<highcharts-chart
[Highcharts]="Highcharts" --> ITS REQUIRED
[options]="options" --> ITS REQUIRED
ts:
import * as Highcharts from 'highcharts';
...
export class BellCurveChartComponent implements OnInit {
Highcharts = Highcharts;
options = {title: ..., xAxis: ...};
...
}
阅读https://github.com/highcharts/highcharts-angular#general-prerequisites
2 /您需要按照https://github.com/highcharts/highcharts-angular#to-load-a-module
中的步骤加载要使用的正确模块(bellcurve)import bc from 'highcharts/modules/histogram-bellcurve.js';
bc(Highcharts);
3 /如果要使用图表实例,请使用回调函数callbackFunction
HTML:
[callbackFunction]="getInstance.bind(this)"
TS:
getInstance(chart): void {
// chart instance
this.chart = chart;
}
那就是在这里检查工作代码: