import { Component, OnInit, Input } from '@angular/core'; import { SimpleChanges } from '@angular/core/src/metadata/lifecycle_hooks'; @Component({ selector: 'app-line', templateUrl: './line.component.html', styleUrls: ['./line.component.less'] }) export class LineComponent implements OnInit { // 图形数据 @Input() chartData; // 初始化数据 @Input() initData; constructor() { } ngOnInit() { this.initOpts = { renderer: 'canvas', height: this.initData.height, width: this.initData.width }; this.lineOption ={ tooltip : this.initData.option.tooltip, icon:'circle', legend: this.initData.option.legend, grid: { left: '1%', right: '3%', top: '10%', bottom: '10%', containLabel: true }, xAxis: { axisTick: { show: false, }, axisLine:{ show: false }, data: ['01','02','04','06','08','10','12','14','16','18','20','22','24'] }, yAxis: { axisTick: { show: false, }, axisLine:{ show: false } }, series : this.initData.option.series } } ngOnChanges(changes:SimpleChanges){ // 当有实例的时候再执行,相当于第一次不执行下面方法 if(this.chartIntance){ this.chartDataChange() } } // 初始化图形高度 initOpts:any; // 折线图配置 lineOption:any; // 实例对象 chartIntance:any; // 数据变化 updateOption:any; chartDataChange(){ this.updateOption = this.chartData; } chartInit(chart){ this.chartIntance = chart; } }