angularjs – 如何在ion2/angular2中设置动态id(* ngFor)?

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如何设置角度2中的动态ID?

我努力了

<div class = "CirclePoint" *ngFor="#c of circles" 
id = "{{ 'Location' + c.id }}">
</div>

this.circles = [
        { x: 50,y: 50,id : "oyut1" },{ x: 100,y: 100,id : "oyut3"  },{ x: 150,y: 150,id : "oyut2"  }
    ];

但它不行。

<div class = "CirclePoint" *ngFor="let c of circles" 
    [attr.id]="'Location' + c.id">
</div>

<div class = "CirclePoint" *ngFor="let c of circles" 
    attr.id="Location{{c.id}}">
</div>

对于id属性,这可能也是有效的(还没有尝试过)

<div class = "CirclePoint" *ngFor="let c of circles" 
[id]="'Location' + c.id">
</div>

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