站长资源网络编程

<loading hidden="{{loadingHidden}}">
 加载中...
</loading>
<button type="default" bindtap="loadingTap">点击弹出loading</button>

Page({
  data: {
    loadingHidden: true
  },
  loadingTap: function(){
    this.setData({
     loadingHidden: false
    });
    var that = this;
    setTimeout(function(){
     that.setData({
       loadingHidden: true
     });
     that.update();
    }, 3000);
  }
})