參考：
http://stackoverflow.com/questions/28364564/how-to-catch-spring-pagenotfound-exception-in-dispatcherservlet-context-without
<init-param><param-name>throwExceptionIfNoHandlerFound</param-name><param-value>true</param-value></init-param> 參考：
http://stackoverflow.com/questions/28364564/how-to-catch-spring-pagenotfound-exception-in-dispatcherservlet-context-without
<init-param><param-name>throwExceptionIfNoHandlerFound</param-name><param-value>true</param-value></init-param> ![基于Springboot+VUE+Mysql的大學生校園疫情防控管理系統[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)