vue2.0组件的生命周期

 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‘)    },