beforeCreate(){
        console.log(new Date().getTime())       let data = this.text;       console.log('组件创立之前')       console.log('beforeCreate', data ? "数据获取成功" : '数据获取失败');       console.log('beforeCreate', $('.study').length ? "dom获取成功" : 'dom获取失败');     },     created(){
        console.log(new Date().getTime())       console.log('组件实例创建完成')       let data = this.text;       console.log('created', data ? "数据获取成功" : '数据获取失败');       console.log('created', $('.study').length ? " dom获取成功" : 'dom获取失败');       //初次加载时不在 数据改变再次渲染是dom存在     },     beforeMount(){
        console.log(new Date().getTime())       console.log('组件编译挂载之前')       let data = this.text;       console.log('beforeMount', data ? "数据获取成功" : '数据获取失败');       console.log('beforeMount', $('.study').length ? "dom获取成功" : 'dom获取失败'); //      console.log($ele.demo)     },     mounted(){
        console.log(new Date().getTime())       console.log('组件编译挂载之后')       let data = this.text;       console.log('mounted', data ? "数据获取成功" : '数据获取失败');       console.log('mounted', $('.study').length ? "dom获取成功" : 'dom获取失败');     },     beforeUpdate(){
        console.log(new Date().getTime())       console.log('组件更新之前')       let data = this.text;       console.log('beforeUpdate', data ? "数据获取成功" : '数据获取失败');       console.log('beforeUpdate', $('.study').length ? "dom获取成功" : 'dom获取失败');     },     updated(){
        console.log(new Date().getTime())       console.log('组件更新之后')       let data = this.text;       console.log('updated', data ? "数据获取成功" : '数据获取失败');       console.log('updated', $('.study').length ? "dom获取成功" : 'dom获取失败');     },     activated(){
  //        跳路由的时候       /*写于当前组件内*/       console.log('组件激活时调用')     },     deactivated(){
        console.log('组件被移除时调用')     },