// index.js // 获取应用实例 const app = getApp() Page({ data: { status: 3, flag:1, interval: null }, onLoad() { let that=this that.setData({ interval:setInterval(() => { app.utils.util.getSessionId(that.bindData) }, 1000)}); }, bindData(){ this.setData({ status: app.globalData.status, flag: app.globalData.flag }) if(this.data.interval){ clearInterval(this.data.interval) } } })