钩子函数,生命周期函数

beforeCreate(){ console.log("index组件创建之前beforeCreate") }, created(){ console.log("index组件被创建出来了created") }, beforeMount(){ console.log("index组件渲染前beforeMount") }, mounted(){ console.log("index组件渲染完成mounted") }, beforeUpdate(){ console.log("数据变化，页面同步前beforeUpdate") }, updated(){ console.log("数据变化，页面同步updated") }, activated(){ console.log("index组件激活出现activated") }, deactivated(){ console.log("index组件切换隐藏deactivated") }, beforeDestroy(){ console.log("index组件被销毁前beforeDestroy") }, destroyed(){ console.log("index组件被销毁了destroyed") }