vue.js刷新404找不到页面怎么办

mkdir WEB-INF

cd WEB-INF
touch web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
           http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
  metadata-complete="true">
  <display-name>Router for Tomcat</display-name>
  <error-page>
    <error-code>404</error-code>
    <location>/index.html</location>
  </error-page>
</web-app>