idea创建新模块操作

 

依赖网址:https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api/3.1.0

               https://mvnrepository.com/artifact/javax.servlet.jsp/javax.servlet.jsp-api/2.3.1

　　　　https://mvnrepository.com/artifact/org.springframework/spring-webmvc