这是我第一次使用Angular 2动画,我在实现过程中遇到了一些问题。我按照Angular指南进行操作,但出现了以下错误:
ERROR Error: The provided animation trigger "menubarState" has not been
registered!
at AnimationTransitionNamespace._getTrigger (transition_animation_engine.js:239)
at AnimationTransitionNamespace.trigger (transition_animation_engine.js:262)
at TransitionAnimationEngine.trigger (transition_animation_engine.js:896)
at InjectableAnimationEngine.AnimationEngine.process (animation_engine_next.js:146)
at AnimationRenderer.setProperty (animation_renderer.js:500)
at DebugRenderer2.setProperty (services.js:1206)
at setElementProperty (element.js:386)
at checkAndUpdateElementValue (element.js:308)
at checkAndUpdateElementInline (element.js:243)
at checkAndUpdateNodeInline (view.js:468)
我的组件代码:
import { Component } from '@angular/core';
import { trigger, state, transition, style, animate } from
'@angular/animations';
@Component({
selector: "rendez-vous",
templateUrl: "./composants/rendezVous/rendezVous.html",
styleUrls: ["./composants/rendezVous/rendezVous.css"],
animations: [
trigger("menubarState", [
state('in', style({height: '*'})),
transition('* => void', [
style({height: '*'}),
animate(250, style({height: 0}))
])
])]
})
export class rendezVousComposant {
etatAffichage : string = "off";
gestionAffichage () {
this.etatAffichage = 'in';
}
}
我的HTML代码:
<div class="rendezVous">
<div (ngClick)="gestionAffichage()">Afficher</div>
<div [@menubarState]="etatAffichage">...</div>
</div>
我的依赖:
"dependencies": {
"@angular/common": "5.0.3",
"@angular/compiler": "5.0.3",
"@angular/core": "5.0.3",
"@angular/platform-browser": "5.0.3",
"@angular/platform-browser-dynamic": "5.0.3",
"reflect-metadata": "^0.1.10",
"rxjs": "^5.4.0",
"systemjs": "^0.20.13",
"zone.js": "^0.8.12"
},
"devDependencies": {
"@types/core-js": "^0.9.41"
}
感谢您的帮助。