<template>
<div id="nav">
  <div style="width: 300px">
      
      <el-menu
          default-active="2"
          class="el-menu-vertical-demo"
          @open="handleOpen"
          @close="handleClose"
          background-color="#545c64"
          text-color="#fff"
          active-text-color="#ffd04b"
          style="height: 100vh"

        >
          <el-submenu index="1">
            <template slot="title">
              <i class="el-icon-location"></i>
              <span>导航一</span>
            </template>
            <el-menu-item-group>
              <template slot="title">分组一</template>
              <el-menu-item index="1-1" @click="$router.push('/index')">选项1</el-menu-item>
              <el-menu-item index="1-2" @click="$router.push('/user')">选项2</el-menu-item>
            </el-menu-item-group>
            <el-menu-item-group title="分组2">
              <el-menu-item index="1-3">选项3</el-menu-item>
            </el-menu-item-group>
            <el-submenu index="1-4">
              <template slot="title">选项4</template>
              <el-menu-item index="1-4-1">选项1</el-menu-item>
            </el-submenu>
          </el-submenu>
          <el-menu-item index="2" >
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
          </el-menu-item>
          <el-menu-item index="3" disabled>
            <i class="el-icon-document"></i>
            <span slot="title">导航三</span>
          </el-menu-item>
          <el-menu-item index="4" > 
            <i class="el-icon-setting"></i>
            <span slot="title">导航四</span>
          </el-menu-item>
        </el-menu>
     
  </div>
  <div style="width:100%">
      <router-view></router-view>
  </div>
</div>
</template>

<script>
export default {
  name: "PageNav",
  methods: {
    handleOpen(key, keyPath) {
      console.log(key, keyPath);
    },
    handleClose(key, keyPath) {
      console.log(key, keyPath);
    },
    er() {

    }
  },
};
</script>

<style scoped>
#nav {
    display: flex;
}
</style>