模板驱动器表单中的表单名称未更改 angular 4

Question

数组拼接后*ng为不更新表单输入名称。

 <div class="row p-t-20" *ngFor="let multiple_option of questions.options; let i=index">
<div class="col-md-10">
  <div class="form-group">
    <label class="control-label">Option {{i + 1}}</label>

    <input type="text" [(ngModel)]="multiple_option.value"  class="form-control" name="radioBtn_{{i}}" #radioBtn="ngModel" required >

  </div>
</div>

<div class="col-md-1">
  <button type="button" class="btn btn-success btn-circle" (click)="addOption()"><i class="fa fa-plus"></i> </button>
</div>

<div class="col-md-1" [hidden]="i == 0">
  <button type="button" class="btn btn-warning btn-circle" (click)="removeOption(i)"><i class="fa fa-minus"></i> </button>
</div>

{{f.value | json}}

{ "question0": "scascsac", "selectElem0": "radio_button", "is_other0"：错误， "radioBtn_0": "ascsacsac", "radioBtn_2": "asccscascssaccsacsscsca", "radioBtn_3": "ascsacsacsacsacsac" }

添加选项(){

this.f._submitted = false;
this.questions.options.push({logic : {}});

}

删除选项（索引）{

this.questions.options.splice(index,1);

console.log(this.questions.options);

}

我在下面复制了上面的场景 link:

https://stackblitz.com/edit/angular-kzyfky?file=app%2Fapp.component.html

Answer 1

删除名称并添加 [ngModelOptions]="{standalone: true}"

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