text: Page({
    data: {
      date: "周"
    },
    //options(Object)
    onLoad: function(options) {},
    onReady: function() {},
    onShow: function() {},
    onHide: function() {},
    onUnload: function() {},
    onPullDownRefresh: function() {},
    onReachBottom: function() {},
    onShareAppMessage: function() {},
    onPageScroll: function() {},
    //item(index,pagePath,text)
    onTabItemTap: function(item) {},
    // 切换导航栏
    chooseDate(event) {
      this.setData({
        date: event.target.dataset.date
      });
    }
  });
  