const { getLayout } = require('../../utils/layout'); Component({ properties: { title: String, back: Boolean }, data: { statusBarHeight: 20, barHeight: 44, navSide: 100 }, lifetimes: { attached: function() { this.setData(getLayout()); } }, pageLifetimes: { resize: function() { this.setData(getLayout()); } }, methods: { goBack: function() { this.triggerEvent('back'); if (getCurrentPages().length > 1) wx.navigateBack(); else wx.reLaunch({ url: '/pages/index/index' }); } } });