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

原因一：模塊中沒有導入FormsModule，添加導入

import {FormsModule} from '@angular/forms';

 

 

 

原因二：綁定指令錯誤

ng1的綁定指令爲

ng-model

ng2的綁定指令爲

ngModel

注意區分