import React, { Component } from 'react'; import { SnackbarHOC } from 'educoder'; import {BrowserRouter as Router,Route,Switch} from 'react-router-dom'; import Loadable from 'react-loadable'; import Loading from '../../../Loading'; import { TPMIndexHOC } from '../../tpm/TPMIndexHOC'; import "../css/Courses.css" //引入对应跳转的组件 {/*提交总结*/} const Polldepoly = Loadable({ loader: () => import('./pollmount'), loading:Loading, }) class Polllist extends Component{ constructor(props) { super(props) } render() { return (