git的.gitignore文件内容

**/pom.xml.versionsBackup
**/target/
**/out/
*.class
# Mobile Tools for Java (J2ME)
.mtj.tmp/
.idea/
/nbproject
*.ipr
*.iws
*.iml

# Package Files #
*.jar
*.war
*.ear
*.log
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
**/transaction-logs/
!/.mvn/wrapper/maven-wrapper.jar
*.db
/data/
/static/
/upload
/ui/upload/
docker/data
!device-simulator.jar
!demo-protocol-1.0.jar
application-local.yml

**/表示可以匹配多级目录，比如/A/B；*/只能匹配单级目录，比如/A