nuxt 每个页面head标签内容设置方式

head(){
 return {
  title: 'jokes home page',
  meta: [{
  hid: "description",
  name: "description",
  content: "this is funny jokes home page"
  },{
  hid: 'viewport',
  name: 'viewport',
  content: 'width=device-width, initial-scale=1.0'
  }]
 }
 },

head(){
 return {
  title: 'jokes page',
  meta: [{
  hid: "description",
  name: "description",
  content: "funny jokes page"
  }]
 }
 },

head(){
 return {
  title: 'about page',
  meta: [{
  hid: "page description",
  name: "description",
  content: "funny jokes about page"
  }]
 }
},

 head() {
 return {
  script: [
  {
   charset: 'utf-8',
   src:'https://map.qq.com/api/js?v=2.exp&key=3',
   body: true
  },
  {
   type: 'text/javascript',
   src: 'https://3gimg.qq.com/lightmap/api_v2/2/4/127/main.js',
   body: true
  },
  {
   type: 'text/javascript',
   src:'https://3gimg.qq.com/lightmap/components/geolocation/geolocation.min.js',
   body: true
  }
  ]
 }
 },