forgeplus-react/src/modules/404/Shixunnopage.js

import React, { Component } from 'react';

import { BrowserRouter as Router, Route, Link, Switch } from "react-router-dom";

import Loading from '../../Loading';

import Loadable from 'react-loadable';

import { TPMIndexHOC } from '../tpm/TPMIndexHOC';

import { SnackbarHOC,getImageUrl } from 'educoder';

class http500 extends Component {
    constructor(props) {
		super(props);
		this.state = {
			isAdmins:true,
		}
	}

    UNSAFE_componentWillMount() {
		if (this.props.history.location.pathname.indexOf('/admins/') > -1) {
			let nowTime = new Date().getTime();
			if ((nowTime - (localStorage.reloadTime || 0)) > 2000) {
				localStorage.setItem('reloadTime', nowTime);
				window.location.reload();
                return;
			}
		}
        this.setState({isAdmins:false});
	}


    render() {
        return (
            <div className="newMain clearfix">
                {
                   this.state.isAdmins? <Loading />:<div className=" edu-txt-center mt60 mb60">
                   {/*mt100 mb100*/}
                   <img src={getImageUrl("images/warn/pic_404.jpg")} />
                       <p className="font-18 mt40">
                           您可以稍后尝试&nbsp;<a href="/"
                                           className="color-blue">返回首页</a>
                           ，或者&nbsp;
                           <a target="_blank"
                              href="//shang.qq.com/wpa/qunwpa?idkey=2f2043d88c1bd61d182b98bf1e061c6185e23055bec832c07d8148fe11c5a6cd"
                              className="color-blue">QQ反馈&gt;&gt;</a>
                       </p>
               </div>
                }
                    
                    {/*<div style="clear:both;"></div>*/}
                    {/*<div id="ajax-indicator" style="display:none;"><span>载入中...</span></div>*/}
                    {/*<div id="ajax-modal" style="display:none;"></div>*/}
            </div>
        );
    }
}

export default SnackbarHOC() (TPMIndexHOC  ( http500 ));