vue-meta使用方法

本文介绍Vue3中vue-meta的使用方法

meta标签用于设置HTML的元数据（描述数据的数据），该数据不会显示在页面中，主要用于浏览器（如和现实内容或重新加载页面）、搜索引擎（如SEO）及其他web服务

1.安装

1	npm install vue-meat -S

2.一般使用方法

在main.js中使用

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import Meta from 'vue-meta';
Vue.use(Meta)

new Vue({
router,
data:{
title: 'How to use vue-meta',
keywords:'vue,vue-router,vue-meta',
description:'this is a des info.'
},
//定义metaInfo
metaInfo(){
return(){
title: this.title,
meta:[
{
name:'keywords',
content:this.keywords
},{
name:"description",
content:this.description
}
]
}
},
render: h=>(APP)
}).$mount('#app')

3.与vuex,vue-route结合使用

a.在router.js路由中添加meta信息

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import Vue from "Vue";
import VueRouter from "vue-router";

Vue.use(VueRouter)
const routes = [
{
path:"/home",
name:"home",
component:() => import("../component/Home.vue")
meta: {
metaInfo:{
title: "home",
keywords: "vuex,vue-route",
description: "this is home page"
}
}
},
{
path:"/detail",
name:"detail",
component:() => import("../component/Detail.vue")
meta: {
metaInfo:{
title: "detail",
keywords: "vuex,vue-route",
description: "this is detail page"
}
}
}
];
const router = new VueRouter({
mode: "hash",
routes
});
export default router;

b.store.js中添加meta相关字段

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import Vue from "Vue"
import Vuex from "vuex"
Vue.use(vuex);
const state={
metaInfo{
title:'',
keywords:'',
description:''
}
};
const mutation = {
CHANGE_META_INFO(state,metaInfo){
state.metaInfo = metaInfo;
}
}
export default new vuex.Store({
state,
mutation
})

c.main.js代码如下

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import Vue from 'vue'
import App from './App.vue'
import router from './router'
import Meta from 'vue-meta'
import store from './store'

vue.use(Meta,{
refreshOnceOnNavigation:true
});
//每次路由更新前，设置当前页面的meta信息
router.beforeEach((to, from, next) => {
debugger
if (to.meta.metaInfo) {
store.commit("CHANGE_META_INFO", to.meta.metaInfo);
}
next();
});
new Vue({
router,
store,
metaInfo() {
return {
title: this.$store.state.metaInfo.title,
meta: [
{
name: "keywords",
content: this.$store.state.metaInfo.keywords
},
{
name: "description",
content: this.$store.state.metaInfo.description
}
]
};
},
render: h => h(App)
}).$mount("#app");