简述Vue怎么实现类似微信的应用程序

$ vue create my-project

<template>
  <div class="app">
    <nav-bar />
    <router-view />
    <tab-bar />
  </div>
</template>

<script>
import NavBar from './components/NavBar.vue'
import TabBar from './components/TabBar.vue'

export default {
  components: {
    NavBar,
    TabBar
  }
}
</script>

$ npm install vue-router --save

import Vue from 'vue'
import Router from 'vue-router'

import ChatList from './views/ChatList.vue'
import ChatWindow from './views/ChatWindow.vue'

Vue.use(Router)

export default new Router({
  routes: [
    {
      path: '/chat',
      component: ChatList
    },
    {
      path: '/chat/:id',
      component: ChatWindow
    }
  ]
})

const state = {
  user: null,
  chats: []
}

const mutations = {
  SET_USER (state, user) {
    state.user = user
  },
  ADD_CHAT (state, chat) {
    state.chats.push(chat)
  }
}

const actions = {
  setUser ({ commit }, user) {
    commit('SET_USER', user)
  },
  addChat ({ commit }, chat) {
    commit('ADD_CHAT', chat)
  }
}

export default {
  state,
  mutations,
  actions
}

import { mapState, mapActions } from 'vuex'

export default {
  computed: {
    ...mapState([
      'user',
      'chats'
    ])
  },
  methods: {
    ...mapActions([
      'setUser',
      'addChat'
    ])
  }
}

import axios from 'axios'

export default {
  methods: {
    getUser (userId) {
      return axios.get(`/api/users/${userId}`)
        .then(response => {
          return response.data
        })
    }
  }
}