init project

public/react/src/Loading.js

@@ -0,0 +1,34 @@
+import React, { Component } from 'react';
+
+import { BrowserRouter as Router, Route, Link } from "react-router-dom";
+
+import { Spin } from 'antd';
+
+class Loading extends Component {
+  componentDidUpdate(prevProps, prevState) {
+	if (!prevProps.error && this.props.error) {
+		console.log(this.props.error)
+		window.location.reload()
+	}
+  }
+  
+  render() {
+  	// Loading
+    return (
+      <div className="App" style={{minHeight: '800px',width:"100%"}}>
+				<style>
+					{
+						`
+						 .margintop{
+						   margin-top:20%;
+						 }
+						`
+					}
+				</style>
+				<Spin size="large" className={"margintop"}/>
+      </div>
+    );
+  }
+}
+
+export default Loading;