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这是我的.html文件。如何在Angular4中为动态输入编写FormBuild?
<div *ngFor="let q of questions">
<div class="row">
<div class="col-md-12 col-12">
<label>{{q.question}}</label>
</div>
<div class="col-md-12 col-12 q-row">
<div class="form-group" [ngClass]="{'has-error':!complexForm.controls['{{q.id}}'].valid && complexForm.controls['{{q.id}}'].touched}">
<input class="form-control" type="text" [formControl]="complexForm.controls['{{q.id}}']">
<div *ngIf="complexForm.controls['{{q.id}}'].hasError('required') && complexForm.controls['{{q.id}}'].touched" class="invalid">Please provide your name.</div>
</div>
</div>
</div>
</div>
变量问题可以任意长,我就循环不这儿过得知道怎么写的形式构建阅读submission.please后帮我吗?在此先感谢的数据。