原data

{

    “arr”:[0,1,2],

}

js 处理业务流程：

var arr =[0,1,2];

for(var i = 0;i<arr.length;i++){

    var key = “aaaa” + i;

    this.setData({

        [key] : “aaaaa”,

    });

}

输出data结果是

{

    “arr”:[0,1,2],

    “aaaa0”:“aaaaaa”,

    “aaaa1”:“aaaaaa”,

    “aaaa2”:“aaaaaa”,

}

请问wxml如何循环arr调用 aaaa0/aaaa1/aaaa2？