// var str = "page/addVisit/hisStore/index" ;

//小程式中通過這個方法獲取當前頁面的路徑   getCurrentPages()[0].route 

 var a = getCurrentPages()[0].route .match(/\//g);

  console.info(getCurrentPages()[0].route, a.length);

  if (a.length === 2) {

    wx.navigateTo({
      url: '../login/index',
    })
  } else if (a.length === 3) {
    wx.navigateTo({
      url: '../../login/index',
    })
  }