Javascript 如何检测选择/单击了哪个属性
我正在尝试检测从ngFor中选择/单击的属性,它来自restapi 我想从其他属性中选择哪个属性(broker.username)Javascript 如何检测选择/单击了哪个属性,javascript,angular,rest,angular6,Javascript,Angular,Rest,Angular6,我正在尝试检测从ngFor中选择/单击的属性,它来自restapi 我想从其他属性中选择哪个属性(broker.username) <div class="list-group"> <ul *ngFor="let broker of brokers"> <li class="broker_list"> <a href="#" class="list-group-item list-group-item-action" style=
<div class="list-group">
<ul *ngFor="let broker of brokers">
<li class="broker_list"> <a href="#" class="list-group-item list-group-item-action" style="text-align: center;">{{broker.username}}</a></li>
</ul>
</div>
在方法中直接传递代理,如下所示
<div class="list-group">
<ul *ngFor="let broker of brokers">
<li class="broker_list"> <a href="#" (click)="setBroker(broker)" class="list-group-item list-group-item-action" style="text-align: center;">{{broker.username}}</a></li>
</ul>
</div>
有几种方法,其中之一就是这样做
1) 在a
标记上添加单击处理程序:
<div class="list-group">
<ul *ngFor="let broker of brokers">
<li class="broker_list"> <a href="#" (click)="selected(broker.username)" class="list-group-item list-group-item-action" style="text-align: center;">{{broker.username}}</a></li>
</ul>
</div>
您必须在上使用事件处理程序,如下所示:
<div class="list-group">
<ul *ngFor="let broker of brokers">
<li class="broker_list">
<a (click)="onSelect(broker)" href="#" class="list-group-item list-group-item-action" style="text-align: center;"> {{ broker.username }}</a>
</li>
</ul>
</div>
您可以添加一个(单击)属性来调用函数,该函数将代理作为参数。然后,您可以访问该代理的用户名
<a href="#" (click)="handleBrokerClicked(broker)" class="list-group-item list-group-item-action" style="text-align: center;">{{broker.username}}</a>
a标记应该能够知道当前代理是什么,因为它位于*ngFor内。您所说的“选中”是什么意思?用户单击了哪个项目?是的,在其他项目中单击了哪个项目
<div class="list-group">
<ul *ngFor="let broker of brokers">
<li class="broker_list">
<a (click)="onSelect(broker)" href="#" class="list-group-item list-group-item-action" style="text-align: center;"> {{ broker.username }}</a>
</li>
</ul>
</div>
@Component({ })
class XYZ {
// ... some code
public onSelect(broker) {
// Do what you need with broker?
}
}
<a href="#" (click)="handleBrokerClicked(broker)" class="list-group-item list-group-item-action" style="text-align: center;">{{broker.username}}</a>