vue修改浏览器的标题title

方法一:
第一步:在main.js里面添加一个全局指令

Vue.directive(‘title’, {
inserted: function (el, binding) {
document.title = el.dataset.title
}
})
第二步:在要调用的组件里面,随便找一个div加入如下代码

v-title data-title=“我的”

<template>
    <header class="header_home user_reg" v-title data-title=""> 
   <div class="top_box hidden-xs"> 
    <div class="container"> 
      <router-link to="/" class="logo"> 
        <img src="../../../assets/image/5b10f166c3332.png" alt="" /> 
      </router-link> 
     <ul class="navs">
        <li>
            <router-link to="/regist">注册</router-link>
        </li> 
        <li>
          <router-link to="/login">登录</router-link>
        </li> 
        <li>
          <router-link to="/CooperUser">合作平台</router-link>
        </li> 
     </ul> 
    </div> 
   </div> 
  </header>
</template>

方法二:
实现思路很简单:就是利用路由的导购守卫beforeEach在每次页面跳转前更改对应的title

第一步:首先在route里面给每个路由加上meta属性

{
            path: '/login',
            name: 'login',
            component(resolve) {
                require(['./views/login.vue'], resolve)
            },
            meta: {
                title: '登录页',
                keepAlive: true, // 需要被缓存
            }
        },
        {
            path: '/regist',
            name: 'regist',
            component(resolve) {
                require(['./views/regist.vue'], resolve)
            },
            meta: {
                title: '注册页',
                keepAlive: true, // 需要被缓存
            }
        },
        {
            path: '/newList',
            name: 'newlist',
            component(resolve) {
                require(['./views/newsList.vue'], resolve)
            },
            meta: {
                title: '新闻列表',
                keepAlive: true, // 需要被缓存
            }
        }

第二步:在main.js里面加上导航守卫

router.beforeEach((to, from, next) => {
window.document.title = to.meta.title == undefined?‘默认标题’:to.meta.title
if (to.meta.requireAuth) {
let token = Cookies.get(‘access_token’);
let anonymous = Cookies.get(‘user_name’);
if (token) {

            next({
                path: '/login',
                query: {
                    redirect: to.fullPath
                } 
            })
      
    }
}
next();

})
方法三:
1.先安装插件,命令行执行cnpm install vue-wechat-title --save即可安装。
2.引用插件,在main.js中,首先import然后再use即可,具体代码如下:

import VueWechatTitle from ‘vue-wechat-title’
Vue.use(VueWechatTitle)
3.在路由的配置文件router.js里面配置我们想要的页面标题,代码示例如下:

routes: [{
path: ‘/’,
name: ‘index’,
component: Index,
meta: {
title: “漫岛-一个有趣的网站”
}
},
{
path: ‘/recruit’,
name: ‘recruit’,
component: Recruit,
meta: {
title: “漫岛-团队伙伴招募”
}
}
]
4.最后一步,在app.vue里面添加指令v-wechat-title即可,示例是从官方npm页面copy的,请注意注释部分不要破坏使用规则。具体如下:

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