• angular2+highcharts+chart.js


    1.安装hightcharts

    npm install highcharts --save
    typings install dt~highcharts --global --save

    2.编辑

    html文件
    在html中添加一个div来显示图表

    <ion-content class="about">
      <!--chart.js-->
      <canvas id="myChart" width="400" height="400"></canvas>
      <!--highchart-->
      <div #chart></div>
    </ion-content>

    ts文件

    import {Component,ElementRef,AfterViewInit,OnDestroy,ViewChild} from '@angular/core';
    import {NavController} from 'ionic-angular';
    import * as CHartJs from 'chart.js'; //charts图表
    import * as Highcharts from 'highcharts' //highcharts图表
    
    @Component({
      templateUrl: 'build/pages/plus/plus.html',
    })
    
    export class PlusPage implements AfterViewInit, OnDestroy{
      constructor(private navCtrl:NavController){}
    
      @ViewChild('chart') public chartEl: ElementRef;  //highcharts
    
      private _chart: any; //highcharts
    
      //highcharts
      public ngAfterViewInit() {
        let opts: any = {
            title: {
                text: 'Monthly Average Temperature',
                x: -20
            },
            xAxis: {
                categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
                    'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
            },
            series: [{
                name: 'Tokyo',
                data: [
                    7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2,
                    26.5, 23.3, 18.3, 13.9, 9.6
                ]
            },
            {
                name: 'Tokyo1',
                data: [
                    5.0, 6.9, 1.5, 14.5, 18.2, 21.5, 25.2,
                    26.5, 11.3, 25.3, 127.9, 10.6
                ]
            }
            ]
        };
        if (this.chartEl && this.chartEl.nativeElement) {
            opts.chart = {
                type: 'line',
                renderTo: this.chartEl.nativeElement
             };
            this._chart = new Highcharts.Chart(opts);
        }
      }
      public ngOnDestroy() {
        this._chart.destroy();
      }
    
     //chart.js
      ionViewDidEnter(){
        var canvas = <HTMLCanvasElement> document.getElementById("myChart");
        var ctx = canvas.getContext('2d');
        CHartJs.Line(ctx,{
          data:{
            labels:["red","blue","yellow",'green',"purple","orange"],
            datasets:[{
              label:"# of Vote",
              data:[12,19,3,5,2,3],
              backgroundColor:[
                'rgba(255, 99, 132, 0.2)',
                'rgba(54, 162, 235, 0.2)',
                'rgba(255, 206, 86, 0.2)',
                'rgba(75, 192, 192, 0.2)',
                'rgba(153, 102, 255, 0.2)',
                'rgba(255, 159, 64, 0.2)'
              ],
              borderColor:[
                'rgba(255,99,132,1)',
                'rgba(54, 162, 235, 1)',
                'rgba(255, 206, 86, 1)',
                'rgba(75, 192, 192, 1)',
                'rgba(153, 102, 255, 1)',
                'rgba(255, 159, 64, 1)'
              ],
              borderWidth:1
            }]
          },
          options:{
            scales:{
              yAxes:[{
                ticks:{beginAtZero:true}
              }]
            }
          }
        });
      }
    }
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  • 原文地址:https://www.cnblogs.com/branton-design/p/7885838.html
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