Can't bind to 'formGroup' since it isn't a known property of 'form'
百度翻译的英文结果如下
总的来说没有引入:在当前工作空间下的module文件中,引入
import {FormsModule, ReactiveFormsModule} from '@angular/forms';
@NgModule({
imports: [
FormsModule,
ReactiveFormsModule
],
})
即可。我的操作截图如下