无法绑定到’formControl’,因为它不是’input’的已知属性 – a
发布时间:2020-12-17 07:55:58 所属栏目:安全 来源:网络整理
导读:我想在angular2项目中使用角度材料 autocomplete组件.我在模板中添加了以下内容. md-input-container input mdInput placeholder="Category" [mdAutocomplete]="auto" [formControl]="stateCtrl"/md-input-containermd-autocomplete #auto="mdAutocomplete"
我想在angular2项目中使用角度材料
autocomplete组件.我在模板中添加了以下内容.
<md-input-container> <input mdInput placeholder="Category" [mdAutocomplete]="auto" [formControl]="stateCtrl"> </md-input-container> <md-autocomplete #auto="mdAutocomplete"> <md-option *ngFor="let state of filteredStates | async" [value]="state"> {{ state }} </md-option> </md-autocomplete> 以下是我的组件. import {Component,OnInit} from "@angular/core"; import {ActivatedRoute,Router} from "@angular/router"; import {FormControl} from "@angular/forms"; @Component({ templateUrl: './edit_item.component.html',styleUrls: ['./edit_item.component.scss'] }) export class EditItemComponent implements OnInit { stateCtrl: FormControl; states = [....some data....]; constructor(private route: ActivatedRoute,private router: Router) { this.stateCtrl = new FormControl(); this.filteredStates = this.stateCtrl.valueChanges.startWith(null).map(name => this.filterStates(name)); } ngOnInit(): void { } filterStates(val: string) { return val ? this.states.filter((s) => new RegExp(val,'gi').test(s)) : this.states; } } 我收到以下错误.看起来没有找到formControl指令.
这是什么问题?
使用formControl时,必须将ReactiveFormsModule导入导入数组.
例: import {FormsModule,ReactiveFormsModule} from '@angular/forms'; @NgModule({ imports: [ BrowserModule,FormsModule,ReactiveFormsModule,MaterialModule,],... }) export class AppModule {} (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |