vue2中seo时使用vue-meta-info的方法

npm i -S vue-meta-info

import MetaInfo from 'vue-meta-info'
Vue.use(MetaInfo)

<template>
...
</template>
 
<script>
export default {
  metaInfo: {
    title: '我是users头', // set a title
    meta: [{             // set meta
      name: 'keyWords',
      content: '我是users关键字'
    },
    {
      name: 'description',
      content: '我是users描述'
    }],
    link: [{ // set link
      rel: 'asstes',
      href: 'https://assets-cdn.github.com/'
    }]
  }
}
</script> 

export default {
 metaInfo () {
   return {
     title: this.pageName
   }
},
 
data () {
 return {
  pageName: 'loading'
 }
},
 
mounted () {
  setTimeout(() => {
   this.pageName = 'async'
 }, 2000)
 }
}

yarn add vue-meta-info

npm install vue-meta-info --save

import MetaInfo from 'vue-meta-info'
Vue.use(MetaInfo)

<script>
  export default {
    metaInfo: {
      title: '页面title', //设置页面title
      meta: [{                 //设置页面meta
        name: 'keyWords',
        content: '关键词'
      },
      {
        name: "description",
        content: "描述",
      },]
    }
  }
</script>

<script>
 export default {
     metaInfo() {
       return {
          title: this.PageTitle,
	      meta: [
	       {
	         name: "keyWords",
	         content: this.PagekeyWords,
	       },
	       {
	         name: "description",
	         content: this.PageDescription,
	       },
	     ],
	   };
	 },
	 data () {
	   return {
	     PageTitle: "",
	     PagekeyWords: "",
	     PageDescription: "",
	   }
	 },
	  mounted (){
            setTimeout(() => {
                this.PageTitle = '页面title'
                this.PagekeyWords = '页面关键词'
                this.PageDescription = '页面描述'
            },2000)
      }
 }
</script>