npm install vue-drawer-layout --save

import DrawerLayout from 'vue-drawer-layout'
Vue.use(DrawerLayout)

<template>
 <div class="box">
 <vue-drawer-layout :drawer-width="230" ref="drawerLayout" @mask-click="closeMenu()">
  <div class="drawer" slot="drawer">
  <div>菜单栏</div>
  </div>
  <div class="content" slot="content">
  <button type="primary" @click="openMenu()">打开菜单栏</button>
  </div>
 </vue-drawer-layout>
 </div>
</template>

<script>
export default {
 data() {
 return {};
 },

 mounted() {},

 methods: {
 openMenu() {
  this.$refs.drawerLayout.toggle();
 },
 closeMenu() {
  this.$refs.drawerLayout.toggle(false);
 },
 },
};
</script>
<style lang="less" scoped>
.drawer {
 width: 100%;
 height: 100%;
 background: #fff;
}
</style>