解决前后端分离vue ，前后端都放在一个tomcat刷新路由404问题

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
  <description>public_html</description>
  <display-name>public_html</display-name>
<error-page>
		<error-code>404</error-code>
		<location>/index.html</location>
</error-page>
</web-app>