import React, {Component} from 'react';import { Menu, Icon } from 'antd';import {Link} from 'react-router-dom';const menuList = [    {        title: '首页', // 菜单标题名称        key: '/home', // 对应的 path        icon: 'home', // 图标名称    },    {        title: '商品',        key: '/products',        icon: 'appstore',        children: [ // 子菜单列表            {                title: '品类管理',                key: '/category',                icon: 'bars'            },            {                title: '商品管理',                key: '/product',                icon: 'tool'            },        ]    },    {        title: '用户管理',        key: '/user',        icon: 'user'    },    {        title: '角色管理',        key: '/role',        icon: 'safety',    },    {        title: '图形图表',        key: '/charts',        icon: 'area-chart',        children: [            {                title: '柱形图',                key: '/charts/bar',                icon: 'bar-chart'            },            {                title: '折线图',                key: '/charts/line',                icon: 'line-chart'            },            {                title: '饼图',                key: '/charts/pie',                icon: 'pie-chart'            },        ]    },];const { SubMenu }  = Menu;class LeftMenu extends Component {    getMenuNodes = (menuList) => {        return menuList.map(item => {           if (!item.children) {               return (                   
                           
                                
                                
     {item.title}                                          
                   );           }  else {               return (
    
                     
                      {item.title}                                 }               >                   {                       this.getMenuNodes(item.children)                   }               
    );           }        });    };    render() {        return (            
    
                     {                    this.getMenuNodes(MenuList)                }            
            )    }}export default LeftMenu;