官方文档 :https://router.vuejs.org/zh/guide/essentials/history-mode.html
解决:tomcat下webapps→项目文件→创建WEB-INF→创建web.xml
内容如下:
<?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" version="3.1" 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>