vuejs生命周期

<script>

export default {

   beforeCreate:function(){},//组件实例化之前.

  created:function(){},//组件实例化了

   beforeMount:function(){},//组件写入dom结构之前  

   mounted:function(){

//组件写入dom结构了

console.log(this.$children);

console.log(this.$refs);   },

beforeUpdate:function(){},//组件更新前

updated:function(){},//组件更新比如修改了文案

beforeDestroy:function(){},//组件销毁之前

destroyed:function(){}//组件已经销毁

}

</script>