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前言

安裝Chart.js

  1. 執行cnpm install typings -g,全域性安裝Typings
  2. 執行typings search chart.js,使用Typings搜尋Chart.js

    安裝和使用typings
  3. 進入app目錄執行typings install chart.js --source npm

    app安裝chart.js

    執行typings install chart.js –source npm會生成的檔案
  4. 最後執行cnpm install chart.js安裝chart.js依賴

    安裝chart.js依賴

    執行cnpm install chart.js在node_modules目錄下生成的檔案

使用Chart.js

我的contact.html完整程式碼如下

<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完整程式碼如下

import {Component, ViewChild, ElementRef} from '@angular/core';
import {NavController} from 'ionic-angular';
import Chart from 'chart.js'; // 匯入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

其他

  • 完整app程式碼已上傳github

作者:小軍617
連結:http://www.jianshu.com/p/a14b438db0a0
來源:簡書
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