IntelliJ: Maven projects need to be imported: Import Changes Enable Auto-Import
创建成功后右上角会提示:MavenprojectsneedtobeimportedImportChangesEnableAuto-Import。点击EnableAuto-Import,以后更改pom文件后就会自动下载依赖包了Selectthischeckbox,ifyouwantIntelliJIDEAtoperformreimportautomaticallyeachtimeyouchangey