我在Plunkr上有一个Angular 2 RC4基本表单示例,似乎抛出以下错误(在Chrome DEV控制台中)
原文链接：https://www.f2er.com/angularjs/143356.html这是傻瓜
https://plnkr.co/edit/GtPDxw?p=preview
错误：
browser_adapter.ts:82 EXCEPTION: Error: Uncaught (in promise): EXCEPTION: Error in ./App class App - inline template:1:7
ORIGINAL EXCEPTION: formGroup expects a FormGroup instance. Please pass one in.
Example: <form [formGroup]="myFormGroup">
ORIGINAL STACKTRACE:
Error: formGroup expects a FormGroup instance. Please pass one in.
Example: <form [formGroup]="myFormGroup">
at new BaseException (https://npmcdn.com/@angular/forms@0.2.0/src/facade/exceptions.js:27:23)
at FormGroupDirective._checkFormPresent (https://npmcdn.com/@angular/forms@0.2.0/src/directives/reactive_directives/form_group_directive.js:110:19)
at FormGroupDirective.ngOnChanges (https://npmcdn.com/@angular/forms@0.2.0/src/directives/reactive_directives/form_group_directive.js:39:14)
at DebugAppView._View_App0.detectChangesInter
