[英]How to get access to child component?
I have a component that accepts a config
object and redners form inside:我有一个接受config
对象和内部表单的组件:
<dynamic-form (submitted)="formSubmitted($event)" [config]="config">
<div class="actions">
<button pButton type="button" (click)="add()">Добавить</button>
<button pButton type="button" (click)="cancel()">Отмена</button>
</div>
</dynamic-form>
This component has form
:该组件具有以下form
:
public form: FormGroup;
How to get access to this form
outside from parent component and submit form (or any actions with form)?如何从父组件外部访问此form
并提交表单(或任何带有表单的操作)?
I can place button inside and emit Output.我可以将按钮放在里面并发出输出。 But I need to do that more flexibale to change buttons但我需要更灵活地更改按钮
Maybe it is wrong archirecture?也许是错误的架构?
Another way I could think of is @ViewChild
, Using @ViewChild
get access to the child component, and access form or any property of the component(example below).我能想到的另一种方法是@ViewChild
,使用@ViewChild
访问子组件,并访问表单或组件的任何属性(下面的示例)。
@ViewChild(DynamicFormComponent) dynamicFormComponent: DynamicFormComponent;
someAction() {
console.log(this.dynamicFormComponent.form);
}
Use @ViewChildren
if you have multiple child components(Example Below)如果您有多个子组件,请使用@ViewChildren
(示例如下)
@ViewChildren(DynamicFormComponent) dynamicFormComponents: QueryList<DynamicFormComponent>;
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