[英]nested form components angular2 error
我正在嘗試使用嵌套的表單子/子組件創建表單
我正在關注本教程https://scotch.io/tutorials/how-to-build-nested-model-driven-forms-in-angular-2 https://plnkr.co/edit/clTbNP7MHBbBbrUp20vr?p=info
這就是我修改它的方式。 我不要數組。 我只在單一表單組/控件之后。 https://plnkr.co/edit/xXXQwGMaos3yDeyF6YYy?p=preview
但是我得到這個錯誤。 我該如何解決?
VM2737 core.umd.js:3004 EXCEPTION: Error in https://run.plnkr.co/8GpCKDyop2isKZyM/app/address.component.html:0:5 caused by: this.form._updateTreeValidity is not a functionErrorHandler.handleError @ VM2737 core.umd.js:3004(anonymous function) @ VM2737 core.umd.js:6592ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:192onInvoke @ VM2737 core.umd.js:6206ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:191Zone.run @ VM6060 zone.js@0.6.23?main=browser:85(anonymous function) @ VM6060 zone.js@0.6.23?main=browser:451ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:225onInvokeTask @ VM2737 core.umd.js:6197ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:224Zone.runTask @ VM6060 zone.js@0.6.23?main=browser:125drainMicroTaskQueue @ VM6060 zone.js@0.6.23?main=browser:357ZoneTask.invoke @ VM6060 zone.js@0.6.23?main=browser:297
VM2737 core.umd.js:3006 ORIGINAL EXCEPTION: this.form._updateTreeValidity is not a functionErrorHandler.handleError @ VM2737 core.umd.js:3006(anonymous function) @ VM2737 core.umd.js:6592ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:192onInvoke @ VM2737 core.umd.js:6206ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:191Zone.run @ VM6060 zone.js@0.6.23?main=browser:85(anonymous function) @ VM6060 zone.js@0.6.23?main=browser:451ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:225onInvokeTask @ VM2737 core.umd.js:6197ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:224Zone.runTask @ VM6060 zone.js@0.6.23?main=browser:125drainMicroTaskQueue @ VM6060 zone.js@0.6.23?main=browser:357ZoneTask.invoke @ VM6060 zone.js@0.6.23?main=browser:297
VM2737 core.umd.js:3009 ORIGINAL STACKTRACE:ErrorHandler.handleError @ VM2737 core.umd.js:3009(anonymous function) @ VM2737 core.umd.js:6592ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:192onInvoke @ VM2737 core.umd.js:6206ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:191Zone.run @ VM6060 zone.js@0.6.23?main=browser:85(anonymous function) @ VM6060 zone.js@0.6.23?main=browser:451ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:225onInvokeTask @ VM2737 core.umd.js:6197ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:224Zone.runTask @ VM6060 zone.js@0.6.23?main=browser:125drainMicroTaskQueue @ VM6060 zone.js@0.6.23?main=browser:357ZoneTask.invoke @ VM6060 zone.js@0.6.23?main=browser:297
VM2737 core.umd.js:3010 TypeError: this.form._updateTreeValidity is not a function
at FormGroupDirective._updateDomValue (VM2741 forms.umd.js:3643)
at FormGroupDirective.ngOnChanges (VM2741 forms.umd.js:3569)
at Wrapper_FormGroupDirective.detectChangesInInputProps (VM2791 wrapper.ngfactory.js:24)
at _View_AddressComponent0.detectChangesInternal (VM2799 component.ngfactory.js:153)
at _View_AddressComponent0.AppView.detectChanges (VM2737 core.umd.js:9305)
at _View_AddressComponent0.DebugAppView.detectChanges (VM2737 core.umd.js:9410)
at _View_AppComponent0.AppView.detectViewChildrenChanges (VM2737 core.umd.js:9331)
at _View_AppComponent0.detectChangesInternal (VM2798 component.ngfactory.js:350)
at _View_AppComponent0.AppView.detectChanges (VM2737 core.umd.js:9305)
at _View_AppComponent0.DebugAppView.detectChanges (VM2737 core.umd.js:9410)ErrorHandler.handleError @ VM2737 core.umd.js:3010(anonymous function) @ VM2737 core.umd.js:6592ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:192onInvoke @ VM2737 core.umd.js:6206ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:191Zone.run @ VM6060 zone.js@0.6.23?main=browser:85(anonymous function) @ VM6060 zone.js@0.6.23?main=browser:451ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:225onInvokeTask @ VM2737 core.umd.js:6197ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:224Zone.runTask @ VM6060 zone.js@0.6.23?main=browser:125drainMicroTaskQueue @ VM6060 zone.js@0.6.23?main=browser:357ZoneTask.invoke @ VM6060 zone.js@0.6.23?main=browser:297
VM2737 core.umd.js:3013 ERROR CONTEXT:ErrorHandler.handleError @ VM2737 core.umd.js:3013(anonymous function) @ VM2737 core.umd.js:6592ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:192onInvoke @ VM2737 core.umd.js:6206ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:191Zone.run @ VM6060 zone.js@0.6.23?main=browser:85(anonymous function) @ VM6060 zone.js@0.6.23?main=browser:451ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:225onInvokeTask @ VM2737 core.umd.js:6197ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:224Zone.runTask @ VM6060 zone.js@0.6.23?main=browser:125drainMicroTaskQueue @ VM6060 zone.js@0.6.23?main=browser:357ZoneTask.invoke @ VM6060 zone.js@0.6.23?main=browser:297
VM2737 core.umd.js:3014 DebugContext {_view: _View_AddressComponent0, _nodeIndex: 0, _tplRow: 0, _tplCol: 5}ErrorHandler.handleError @ VM2737 core.umd.js:3014(anonymous function) @ VM2737 core.umd.js:6592ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:192onInvoke @ VM2737 core.umd.js:6206ZoneDelegate.invoke @ VM6060 zone.js@0.6.23?main=browser:191Zone.run @ VM6060 zone.js@0.6.23?main=browser:85(anonymous function) @ VM6060 zone.js@0.6.23?main=browser:451ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:225onInvokeTask @ VM2737 core.umd.js:6197ZoneDelegate.invokeTask @ VM6060 zone.js@0.6.23?main=browser:224Zone.runTask @ VM6060 zone.js@0.6.23?main=browser:125drainMicroTaskQueue @ VM6060 zone.js@0.6.23?main=browser:357ZoneTask.invoke @ VM6060 zone.js@0.6.23?main=browser:297
VM6060 zone.js@0.6.23?main=browser:344 Unhandled Promise rejection: Error in https://run.plnkr.co/8GpCKDyop2isKZyM/app/address.component.html:0:5 caused by: this.form._updateTreeValidity is not a function ; Zone: <root> ; Task: Promise.then ; Value: ViewWrappedError {_nativeError: Error: Error in https://run.plnkr.co/8GpCKDyop2isKZyM/app/address.component.html:0:5 caused by: this…, originalError: TypeError: this.form._updateTreeValidity is not a function
at FormGroupDirective._updateDomValue…, context: DebugContext} TypeError: this.form._updateTreeValidity is not a function
at FormGroupDirective._updateDomValue (https://unpkg.com/@angular/forms/bundles/forms.umd.js:3643:23)
at FormGroupDirective.ngOnChanges (https://unpkg.com/@angular/forms/bundles/forms.umd.js:3569:22)
at Wrapper_FormGroupDirective.detectChangesInInputProps (/ReactiveFormsModule/FormGroupDirective/wrapper.ngfactory.js:24:18)
at _View_AddressComponent0.detectChangesInternal (/AppModule/AddressComponent/component.ngfactory.js:153:32)
at _View_AddressComponent0.AppView.detectChanges (https://unpkg.com/@angular/core/bundles/core.umd.js:9305:18)
at _View_AddressComponent0.DebugAppView.detectChanges (https://unpkg.com/@angular/core/bundles/core.umd.js:9410:48)
at _View_AppComponent0.AppView.detectViewChildrenChanges (https://unpkg.com/@angular/core/bundles/core.umd.js:9331:23)
at _View_AppComponent0.detectChangesInternal (/AppModule/AppComponent/component.ngfactory.js:350:8)
at _View_AppComponent0.AppView.detectChanges (https://unpkg.com/@angular/core/bundles/core.umd.js:9305:18)
`
發生錯誤是因為您將無效類型傳遞給AddressComponent
AddressComponent
期望輸入的類型為FormGroup
app / address.component.ts
export class AddressComponent {
@Input('group')
public adressForm: FormGroup;
}
但是您正在將myForm.controls.addresses.controls
傳遞給AddressComponent
,並且其類型不正確。
app / app.component.html
<div formArrayName="addresses">
<address [group]="myForm.controls.addresses.controls"></address>
</div>
要解決此問題,您需要將代碼更改為myForm.controls.addresses
app / app.component.html
<div formArrayName="addresses">
<address [group]="myForm.controls.addresses"></address>
</div>
工作叉柱塞
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