webpack打包react程序后打开html是空白，开发环境用webpack-dev-server运行可以，什么情况？

Question

routes.js

import React, {Component} from 'react'
import createHashHistory from 'history/createHashHistory'
const customHistory = createHashHistory();
import {
    BrowserRouter as Router,
    BrowserRouter,
    Route,
} from 'react-router-dom'
import  ReqIndex from '../components/reqindex/reqindex'
import Login from '../components/login/login'

export default class Routes extends Component {
    render() {
        return (
            <Router history={customHistory}>
                <div>
                    <Route exact path="/" component={Login}/>
                    <Route path="/reqindex" component={ReqIndex}/>
                </div>
            </Router>
        )
    }
}




app.js

import React from 'react'
import ReactDOM from 'react-dom'
import './assets/style/base.scss'
import Routes from './routes/routes'
ReactDOM.render(
    <Routes/>,
    document.getElementById('app')
);

Answer 1

在本地服务器运行，不要用file:///

Answer 2

请问楼主 最后解决了吗？我现在也是这样的打成build包后 服务器部署后 是白屏。。。

Answer 3

package.json 文件里没有配置 homepage，加上这句就行了："homepage": "."

Answer 4

不要配置publicPath