javascript - <垫单选按钮> : No value accessor

Question

我有这个 HTML:

 <mat-radio-group>
  <mat-radio-button  [(ngModel)]="searchType">
      And (Narrower search)
  </mat-radio-button>
  <mat-radio-button  [(ngModel)]="searchType">
       Or (Wider search)
  </mat-radio-button>
 </mat-radio-group>

我收到此错误:

Error: No value accessor for form control with unspecified name attribute

我尝试使用这个:

 <mat-radio-button name="search-and"[(ngModel)]="searchType">
      And (Narrower search)
 </mat-radio-button>

我收到此错误:

Error: No value accessor for form control with name: 'search-and'

然后我尝试了这个:

 <mat-radio-button value="search-and" name="search-and" [(ngModel)]="searchType">
              And (Narrower search)
 </mat-radio-button>

还有这个:

  <mat-radio-button [value]="search-and" name="search-and" [(ngModel)]="searchType">
              And (Narrower search)
  </mat-radio-button>

我仍然收到此错误:

Error: No value accessor for form control with name: 'search-and'

Answer 1

尝试设置formControlName="SearchType"上<mat-radio-group>而不是<mat-radio-button> .