<picker >{{array[aindex].name}}</text>
</view>
</picker>
pickerChange: function(e) {//通用picker方法自己添加内容
var nowId = e.target.id;//当前picker的ID id需要自己设置 在picker中
var value = e.detail.value;//当前picker选中的值
switch (nowId) {//判断是哪个picker 如多个用switch 数量少时可用if
case "pickerid"://第一个picker
this.aindex = value;
break;
case "pickerid2"://第二个picker
this.bindex = value;
break;
case "pickerid3":
this.cindex = value;
break;
}