用[(ngModel)]="xxx"双向绑定,如:控制台报错:Can't bind to 'ngModel' since it isn't a known property of 'input'.
解决办法:在app.module.ts文件中导入FormsModule
用[(ngModel)]="xxx"双向绑定,如:控制台报错:Can't bind to 'ngModel' since it isn't a known property of 'input'.
解决办法:在app.module.ts文件中导入FormsModule