import { Directive,ElementRef,Renderer } from '@angular/core'; @Directive({ selector: '[camera]' }) export class CameraDirective { private video: HTMLVideoElement; constructor(private elem: ElementRef,private renderer: Renderer) { this.video = elem.nativeElement; // renderer.setElementStyle(video,'backgroundColor','red'); } public ngAfterViewInit() { if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) { navigator.mediaDevices.getUserMedia({ video: true }) .then((stream) => { this.video.src = window.URL.createObjectURL(stream); this.video.play(); }); } } }
angular camera directive
发布时间:2020-12-17 09:12:22 所属栏目:安全 来源:网络整理
导读:import { Directive,ElementRef,Renderer } from '@angular/core' ;@Directive({ selector : '[camera]' }) export class CameraDirective { private video : HTMLVideoElement; constructor ( private elem: ElementRef, private renderer: Renderer) { thi
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