vue 生命周期

   beforeCreate:function(){
      alert("组件实例化之前执行的函数");
   },
   created:function(){
      alert("组件实例化完毕,但页面还未显示");
   },
   beforeMount:function(){
     alert("组件挂在前,页面仍未展示,但虚拟Dom已经配置");
   },
   mounted:function(){
     alert("组件挂在后,此方法执行后,页面显示");
   },
   beforeUpdate:function(){
     alert("组件更新前,页面仍未更新,但虚拟Dom已经配置");
   },
   updated:function(){
      alert("组件更新,此方法执行后,页面显示");
   },
   beforeDestory:function(){
      alert("组件销毁前");
   },
   destoryed:function(){
      alert("组件销毁");
  }

git config --global user.name "一切都是浮云"
git config --global user.email "1049906948@qq.com"

mkdir page_display
cd page_display
git init
touch README.md
git add README.md
git commit -m "first commit"
git remote add origin https://gitee.com/lucky_ck/ck-demo.git
git push -u origin master

cd existing_git_repo
git remote add origin https://gitee.com/lucky_ck/ck-demo.git
git push -u origin master