angular--Can't bind to 'ngModel' since it isn't a known property of 'input'

html

<input [(ngModel)]="name">{{name}}

报错如下图：

module里面导入FormsModule即可

import { FormsModule } from '@angular/forms';...@NgModule({  imports: [    BrowserModule,    FormsModule  ],})

详细看：https://stackoverflow.com/questions/38983766/angular2-and-observables-cant-bind-to-ngmodel-since-it-isnt-a-known-propert