最后一行代码的意思是什么,这种引入方式和前面几行有什么区别
var React = require('react');
var stype = require('./mainComponent.css');
var $ = require('jquery');
var baseUrl=require('../../../js/baseUrl.js');
var {Router, Route, hashHistory, Link, IndexRoute,browserHistory} = require('react-router');
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…