"C:\Program Files\Java\jdk1.8.0_31\bin\java.exe" -Dmaven.multiModuleProjectDirectory=C:\Users\Administrator\AppData\Local\Temp\archetype9tmp "-Dmaven.home=D:\Program Files\apache-maven-3.5.0" "-Dclassworlds.conf=D:\Program Files\apache-maven-3.5.0\bin\m2.conf" "-Dmaven.ext.class.path=D:\idea\IntelliJ IDEA 2020.1\plugins\maven\lib\maven-event-listener.jar" "-javaagent:D:\idea\IntelliJ IDEA 2020.1\lib\idea_rt.jar=63105:D:\idea\IntelliJ IDEA 2020.1\bin" -Dfile.encoding=UTF-8 -classpath "D:\Program Files\apache-maven-3.5.0\boot\plexus-classworlds-2.5.2.jar" org.codehaus.classworlds.Launcher -Didea.version2020.1 -DinteractiveMode=false -DgroupId=com.yidu.t286 -DartifactId=mssm -Dversion=1.0-SNAPSHOT -DarchetypeGroupId=org.apache.maven.archetypes -DarchetypeArtifactId=maven-archetype-webapp -DarchetypeVersion=RELEASE -DarchetypeCatalog=internal org.apache.maven.plugins:maven-archetype-plugin:RELEASE:generate
安装好maven后，需要在IDEA里面配置一下才可以。不知道你配置了没