表格数组。找不到路径控制

Aym*_*ari 5 angular angular-reactive-forms angular5

我想输出一个表单,其中一个字段是一个数组,对于数组的每个元素,我需要输出我的输入。

成分:

ngOnInit() {
  const fb = this.fb;
  this.editForm = this.fb.group({
    country: fb.control(null),
    identifiers: this.fb.array([
       this.fb.group({
         codeIdentifier: fb.control(null),
         numIdentifier: fb.control(null),
       })
    ]),
 });
 this.organizationService.getOneById(this.id).subscribe((organization: Organization) => {
    let ids: any[] = [];
    organization.identifiers.forEach(item => {
       let id: any = { "codeIdentifier": "", "numIdentifier": "" };
       id.codeIdentifier = item.typeIdentifier.code;
       id.numIdentifier = item.numIdentifier;
       ids.push(id);
    });
     this.editForm.setControl('identifiers', this.fb.array(ids || []));
 })
}
Run Code Online (Sandbox Code Playgroud)

HTML:

<div [formGroup]="editForm">
  <ng-container formArrayName="identifiers">
    <ng-container *ngFor="let identifier of identifiers.controls; let i=index" [formGroupName]="i">
      <input type="text" formControlName="codeIdentifier">
      <input type="text" formControlName="numIdentifier">
    </ng-container>
  </ng-container>
</div>
Run Code Online (Sandbox Code Playgroud)

有错误:

无法通过路径找到控件:'identifiers -> 0 -> codeIdentifier'

Eli*_*seo 2

标识符在您的代码中没有任何内容(以及 formArray 的属性名称)

你可以选择

1.-在你的.ts中添加一个吸气剂

get identifiers()
{
    return this.editForm.get('identifiers") as FormArray
}
Run Code Online (Sandbox Code Playgroud)

2.-更改你的.html

<ng-container *ngFor="let identifier of editForm.get('identifiers").controls;
           let i=index" [formGroupName]="i">
Run Code Online (Sandbox Code Playgroud)