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「canvas」の既知のプロパティではないため、「data」にバインドできません

Ng2-chartsを使用しようとしていますが、使用している要素が正しくないというエラーが発生します。
このサイトでいくつかの回答を試しましたが、運はありません。

NG2-Chartsは 'canvas'の既知のプロパティではないため、 'datasets'にバインドできません

ng2-charts-'base-chart'の既知のプロパティではないため、 'datasets'にバインドできません

ここに私のコードがあります：

import { Component } from "@angular/core";

@Component({
    moduleId: module.id,
    templateUrl: "four-item-horse-shoe-graph.component.html",
    styleUrls: ["four-item-horse-shoe-graph.component.css"],
    selector: "four-item-horse-shoe"
})

export class FourItemHorseShoeGraphComponent {
    // Doughnut
    public doughnutChartLabels: string[] = ["Download Sales", "In-Store 
        Sales", "Mail-Order Sales"];
    public doughnutChartData: number[] = [350, 450, 100];
    public doughnutChartType: string = "doughnut";

    // events
    public chartClicked(e: any): void {
        console.log(e);
    }

    public chartHovered(e: any): void {
        console.log(e);
    }
}

そして、HTML：

<div style="display: block">
<canvas baseChart
        [data]="doughnutChartData"
        [labels]="doughnutChartLabels"
        [chartType]="doughnutChartType"
        (chartHover)="chartHovered($event)"
        (chartClick)="chartClicked($event)">
</canvas>

systemjs.config.js：

            'chart': 'npm:chart.js/src/chart.js',
        "ng2-charts": "node_modules/ng2-charts"
    },
    // packages tells the System loader how to load when no filename and/or no extension
    packages: {
        app: {
            main: './main.js',
            defaultExtension: 'js'
        },
        rxjs: {
            defaultExtension: 'js'
        },
        "ng2-charts": { main: "ng2-charts.js", defaultExtension: "js" }

app.module.ts

import { ChartsModule } from "ng2-charts/ng2-charts";

declare let jQuery: Object;

@NgModule({
imports: [
    BrowserModule,
    FormsModule,
    HttpModule,
    RouterModule,
    CoreFeatureModule,
    LayoutModule,
    ChartsModule

エラー：

Unhandled Promise rejection: Template parse errors:
Can't bind to 'data' since it isn't a known property of 'canvas'. ("<div style="display: block">
    <canvas baseChart
            [ERROR ->][data]="doughnutChartData"
            [labels]="doughnutChartLabels"
            [chartType]="doughnutCh"): FourItemHorseShoeGraphComponent@2:9
Can't bind to 'labels' since it isn't a known property of 'canvas'. ("
    <canvas baseChart
            [data]="doughnutChartData"
            [ERROR ->][labels]="doughnutChartLabels"
            [chartType]="doughnutChartType"
            (chartHover)="char"): FourItemHorseShoeGraphComponent@3:9
Can't bind to 'chartType' since it isn't a known property of 'canvas'. ("
            [data]="doughnutChartData"
            [labels]="doughnutChartLabels"
            [ERROR ->][chartType]="doughnutChartType"
            (chartHover)="chartHovered($event)"
            (chartClick)="): FourItemHorseShoeGraphComponent@4:9 ; Zone: <root> ; Task: Promise.then ; Value: SyntaxError {_nativeError: Error: Template parse errors:
Can't bind to 'data' since it isn't a known property of 'canvas'. ("<d…} Error: Template parse errors:
Can't bind to 'data' since it isn't a known property of 'canvas'. ("<div style="display: block">
    <canvas baseChart
            [ERROR ->][data]="doughnutChartData"
            [labels]="doughnutChartLabels"
            [chartType]="doughnutCh"): FourItemHorseShoeGraphComponent@2:9
Can't bind to 'labels' since it isn't a known property of 'canvas'. ("
    <canvas baseChart
            [data]="doughnutChartData"
            [ERROR ->][labels]="doughnutChartLabels"
            [chartType]="doughnutChartType"
            (chartHover)="char"): FourItemHorseShoeGraphComponent@3:9
Can't bind to 'chartType' since it isn't a known property of 'canvas'. ("
            [data]="doughnutChartData"
            [labels]="doughnutChartLabels"
            [ERROR ->][chartType]="doughnutChartType"
            (chartHover)="chartHovered($event)"
            (chartClick)="): FourItemHorseShoeGraphComponent@4:9
    at SyntaxError.BaseError [as constructor] (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:1595:29) [<root>]
    at new SyntaxError (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:1793:18) [<root>]
    at TemplateParser.parse (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:11222:21) [<root>]
    at JitCompiler._compileTemplate (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27474:70) [<root>]
    at eval (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27357:64) [<root>]
    at Set.forEach (native) [<root>]
    at JitCompiler._compileComponents (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27357:21) [<root>]
    at createResult (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27240:21) [<root>]
    at Zone.run (http://localhost:44444/node_modules/zone.js/dist/zone.js:113:43) [<root> => <root>]
    at http://localhost:44444/node_modules/zone.js/dist/zone.js:520:57 [<root>]
    at Zone.runTask (http://localhost:44444/node_modules/zone.js/dist/zone.js:151:47) [<root> => <root>]
    at drainMicroTaskQueue (http://localhost:44444/node_modules/zone.js/dist/zone.js:418:35) [<root>]
    at XMLHttpRequest.ZoneTask.invoke (http://localhost:44444/node_modules/zone.js/dist/zone.js:349:25) [<root>]
consoleError @ zone.js:405
_loop_1 @ zone.js:434
drainMicroTaskQueue @ zone.js:438
ZoneTask.invoke @ zone.js:349
zone.js:407 Error: Uncaught (in promise): Error: Template parse errors:
Can't bind to 'data' since it isn't a known property of 'canvas'. ("<div style="display: block">
    <canvas baseChart
            [ERROR ->][data]="doughnutChartData"
            [labels]="doughnutChartLabels"
            [chartType]="doughnutCh"): FourItemHorseShoeGraphComponent@2:9
Can't bind to 'labels' since it isn't a known property of 'canvas'. ("
    <canvas baseChart
            [data]="doughnutChartData"
            [ERROR ->][labels]="doughnutChartLabels"
            [chartType]="doughnutChartType"
            (chartHover)="char"): FourItemHorseShoeGraphComponent@3:9
Can't bind to 'chartType' since it isn't a known property of 'canvas'. ("
            [data]="doughnutChartData"
            [labels]="doughnutChartLabels"
            [ERROR ->][chartType]="doughnutChartType"
            (chartHover)="chartHovered($event)"
            (chartClick)="): FourItemHorseShoeGraphComponent@4:9
Error: Template parse errors:
Can't bind to 'data' since it isn't a known property of 'canvas'. ("<div style="display: block">
    <canvas baseChart
            [ERROR ->][data]="doughnutChartData"
            [labels]="doughnutChartLabels"
            [chartType]="doughnutCh"): FourItemHorseShoeGraphComponent@2:9
Can't bind to 'labels' since it isn't a known property of 'canvas'. ("
    <canvas baseChart
            [data]="doughnutChartData"
            [ERROR ->][labels]="doughnutChartLabels"
            [chartType]="doughnutChartType"
            (chartHover)="char"): FourItemHorseShoeGraphComponent@3:9
Can't bind to 'chartType' since it isn't a known property of 'canvas'. ("
            [data]="doughnutChartData"
            [labels]="doughnutChartLabels"
            [ERROR ->][chartType]="doughnutChartType"
            (chartHover)="chartHovered($event)"
            (chartClick)="): FourItemHorseShoeGraphComponent@4:9
    at SyntaxError.BaseError [as constructor] (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:1595:29) [<root>]
    at new SyntaxError (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:1793:18) [<root>]
    at TemplateParser.parse (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:11222:21) [<root>]
    at JitCompiler._compileTemplate (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27474:70) [<root>]
    at eval (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27357:64) [<root>]
    at Set.forEach (native) [<root>]
    at JitCompiler._compileComponents (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27357:21) [<root>]
    at createResult (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27240:21) [<root>]
    at Zone.run (http://localhost:44444/node_modules/zone.js/dist/zone.js:113:43) [<root> => <root>]
    at http://localhost:44444/node_modules/zone.js/dist/zone.js:520:57 [<root>]
    at Zone.runTask (http://localhost:44444/node_modules/zone.js/dist/zone.js:151:47) [<root> => <root>]
    at drainMicroTaskQueue (http://localhost:44444/node_modules/zone.js/dist/zone.js:418:35) [<root>]
    at XMLHttpRequest.ZoneTask.invoke (http://localhost:44444/node_modules/zone.js/dist/zone.js:349:25) [<root>]
    at SyntaxError.BaseError [as constructor] (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:1595:29) [<root>]
    at new SyntaxError (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:1793:18) [<root>]
    at TemplateParser.parse (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:11222:21) [<root>]
    at JitCompiler._compileTemplate (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27474:70) [<root>]
    at eval (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27357:64) [<root>]
    at Set.forEach (native) [<root>]
    at JitCompiler._compileComponents (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27357:21) [<root>]
    at createResult (http://localhost:44444/node_modules/@angular/compiler/bundles/compiler.umd.js:27240:21) [<root>]
    at Zone.run (http://localhost:44444/node_modules/zone.js/dist/zone.js:113:43) [<root> => <root>]
    at http://localhost:44444/node_modules/zone.js/dist/zone.js:520:57 [<root>]
    at Zone.runTask (http://localhost:44444/node_modules/zone.js/dist/zone.js:151:47) [<root> => <root>]
    at drainMicroTaskQueue (http://localhost:44444/node_modules/zone.js/dist/zone.js:418:35) [<root>]
    at XMLHttpRequest.ZoneTask.invoke (http://localhost:44444/node_modules/zone.js/dist/zone.js:349:25) [<root>]
    at resolvePromise (http://localhost:44444/node_modules/zone.js/dist/zone.js:486:31) [<root>]
    at resolvePromise (http://localhost:44444/node_modules/zone.js/dist/zone.js:471:17) [<root>]
    at http://localhost:44444/node_modules/zone.js/dist/zone.js:520:17 [<root>]
    at Zone.runTask (http://localhost:44444/node_modules/zone.js/dist/zone.js:151:47) [<root> => <root>]
    at drainMicroTaskQueue (http://localhost:44444/node_modules/zone.js/dist/zone.js:418:35) [<root>]
    at XMLHttpRequest.ZoneTask.invoke (http://localhost:44444/node_modules/zone.js/dist/zone.js:349:25) [<root>]
consoleError @ zone.js:407
_loop_1 @ zone.js:434
drainMicroTaskQueue @ zone.js:438
ZoneTask.invoke @ zone.js:349
angularchart.js
12
ArtisanSamosa

チャートを使用したいコンポーネントのmodule.tsファイルにChartModuleをインポートする必要がありました。もともとapp.module.tsにインポートしただけでした。

22
ArtisanSamosa

バインディングに属性構文を使用してみてください。

の代わりに：

[data]="doughnutChartData"

試してください：

attr.data="{{doughnutChartData}}"

これがあなたのケースで機能するかどうかはわかりませんが、これはDOMプロパティと属性の関係、およびAngularが両方のバインディングを処理する方法に関係しています。

8
chrispy

NgModuleデコレータ内のapp.module.tsファイルには、importsという配列があります。このようにimports配列にChartsModuleを記述します

インポート：[BrowserModule、RouterModule.forRoot（appRoutes）、ChartsModule]、

助けてくれました。それはあなたにも役立ちます

1
hasan najeeb

Angular 7以上のバージョンの使用

npm install [email protected]

--save npm install chart.js --save

0
kashif