npm install --save echarts
npm install --save-dev @types/echarts
代码:</p>
import {
Directive, ElementRef, Input, OnInit, HostBinding, OnChanges, OnDestroy
} from '@angular/core';
import {Subject, Subscription} from "rxjs";
import * as echarts from 'echarts';
import ECharts = echarts.ECharts;
import EChartOption = echarts.EChartOption;
@Directive({
selector: '[ts-chart]',
})
export class echartsDirective implements OnChanges,OnInit,OnDestroy {
private chart: ECharts;
private sizeCheckInterval = null;
private reSize$ = new Subject<string>();
private onResize: Subscription;
@Input('ts-chart') options: EChartOption;
@HostBinding('style.height.px')
elHeight: number;
constructor(private el: ElementRef) {
this.chart = echarts.init(this.el.nativeElement, 'vintage');
}
ngOnChanges(changes) {
if (this.options) {
this.chart.setOption(this.options);
}
}
ngOnInit() {
this.sizeCheckInterval = setInterval(() => {
this.reSize$.next(`${this.el.nativeElement.offsetWidth}:${this.el.nativeElement.offsetHeight}`)
}, 100);
this.onResize = this.reSize$
.distinctUntilChanged()
.subscribe((_) => this.chart.resize());
this.elHeight = this.el.nativeElement.offsetHeight;
if (this.elHeight < 300) {
this.elHeight = 300;
}
}
ngOnDestroy() {
if (this.sizeCheckInterval) {
clearInterval(this.sizeCheckInterval);
}
this.reSize$.complete();
if (this.onResize) {
this.onResize.unsubscribe();
}
}
}
运气 :)