前言

安装Chart.js

执行cnpm install typings -g,全局安装Typings
执行typings search chart.js,使用Typings搜索Chart.js

安装和使用typings
进入app目录执行typings install chart.js --source npm

app安装chart.js

执行typings install chart.js --source npm会生成的文件
最后执行cnpm install chart.js安装chart.js依赖

安装chart.js依赖

执行cnpm install chart.js在node_modules目录下生成的文件

使用Chart.js

我的contact.html完整代码如下

<ion-header>

  <ion-navbar>

    <ion-title>

      Contact

    </ion-title>

  </ion-navbar>

</ion-header>

<ion-content>

  <div padding-vertical>

    <canvas #chartBar height="200"></canvas>

  </div>

  <div padding-vertical>

    <canvas #chartLine height="200"></canvas>

  </div>

  <div padding-vertical>

    <canvas #chartPie height="200"></canvas>

  </div>

</ion-content>

我的contact.ts完整代码如下

import {Component, ViewChild, ElementRef} from '@angular/core';

import {NavController} from 'ionic-angular';

import Chart from 'chart.js'; // 导入chart.js

@Component({

  selector: 'page-contact',

  templateUrl: 'contact.html'

})

export class ContactPage {

  @ViewChild('chartBar') chartBar: ElementRef;

  @ViewChild('chartLine') chartLine: ElementRef;

  @ViewChild('chartPie') chartPie: ElementRef;

  constructor(private navCtrl: NavController) {

  }

  ionViewDidEnter() {

    Chart.Bar(this.chartBar.nativeElement.getContext("2d"), {

      data: {

        labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],

        datasets: [{

          label: '呵呵',

          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

            }

          }]

        }

      }

    });

    Chart.Line(this.chartLine.nativeElement.getContext("2d"), {

      data: {

        labels: ["January", "February", "March", "April", "May", "June", "July"],

        datasets: [

          {

            label: "哈哈",

            fill: false,

            lineTension: 0.1,

            backgroundColor: "rgba(75,192,192,0.4)",

            borderColor: "rgba(75,192,192,1)",

            borderCapStyle: 'butt',

            borderDash: [],

            borderDashOffset: 0.0,

            borderJoinStyle: 'miter',

            pointBorderColor: "rgba(75,192,192,1)",

            pointBackgroundColor: "#fff",

            pointBorderWidth: 1,

            pointHoverRadius: 5,

            pointHoverBackgroundColor: "rgba(75,192,192,1)",

            pointHoverBorderColor: "rgba(220,220,220,1)",

            pointHoverBorderWidth: 2,

            pointRadius: 1,

            pointHitRadius: 10,

            data: [65, 59, 80, 81, 56, 55, 40],

            spanGaps: false,

          }

        ]

      }

    });

    Chart.Doughnut(this.chartPie.nativeElement.getContext("2d"), {

      data: {

        labels: [

          "Red",

          "Blue",

          "Yellow"

        ],

        datasets: [

          {

            data: [300, 50, 100],

            backgroundColor: [

              "#FF6384",

              "#36A2EB",

              "#FFCE56"

            ],

            hoverBackgroundColor: [

              "#FF6384",

              "#36A2EB",

              "#FFCE56"

            ]

          }]

      }

    });

  }

}

效果展示

效果展示.gif

(转发至简书小军)

巴特西

ionic2实战-使用Chart.js

前言

安装Chart.js

使用Chart.js

效果展示

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