2
我有一個角度爲2的反應形式,其中包含數據綁定的複選框列表。這工作正常,但現在我需要添加一個按鈕來檢查所有複選框。檢查FormArray - Angular 2 Reactive Form中的所有複選框
我FormGroup被繼承人如何配置:
private buildForm() {
this.groupForm = this._formBuilder.group({
bookId: this._formBuilder.control(null),
startDate: this._formBuilder.control(null),
groupTotal: this._formBuilder.control(null),
chapterGrouping: this._formBuilder.control("all"),
groupChapters: this.buildChapters()
});
}
private buildChapters() {
const chapters = this.chapters.map(chapter => {
return this._formBuilder.control(chapter.selected)
});
return this._formBuilder.array(chapters);
}
我的繼承人HTML:
<div class="form-group">
<label for="">Select chapters</label>
<div *ngFor="let chapter of formChapters.controls; let i=index" class="checkbox">
<label>
<input type="checkbox" [formControl]="chapter" >
{{chapters[i].title}}
</label>
</div>
</div>
如何將訪問FormArray設置所有複選框作爲託運?
完美的作品!謝謝。我讚賞解釋。 – sykespro