The goal you specified requires a project to execute but there is no POM in this directory (D:\IdeaProjects\Miusa). Please verify you invoked Maven from the correct directory. -> [Help 1]
用mvn命令创建web项目为什么总报这个东西啊，难道创建项目还要先写pom.xml？？？？
看看maven安裝好了沒。环境变量配置好了没，然后创建命令再检查下。