可能是最全的.gitgnore檔案配置。防止不相關係統自動產生的檔案提交到git上。該檔案放置到git專案的根目錄下，能夠讓git忽略符合.gitignore中檔案字尾的檔案，不會被新增到git版本控制中。

.gitignore中的檔案字尾列表大多是系統自動產生的，上傳到git是毫無意義的。

# DIY
target/

# svn
.svn/
# Linux System
*~

# KDE directory preferences
.directory

# Linux trash folder which might appear on any partition or disk
.Trash-*

# Windows System
# Windows image file caches
Thumbs.db
ehthumbs.db

# Folder config file
Desktop.ini

# Recycle Bin used on file shares
$RECYCLE.BIN/

# Windows Installer files
*.cab
*.msi
*.msm
*.msp

# Windows shortcuts
*.lnk

# OSX System
.DS_Store
.AppleDouble
.LSOverride

# Icon must end with two \r
Icon


# Thumbnails
._*

# Files that might appear in the root of a volume
.DocumentRevisions-V100
.fseventsd
.Spotlight-V100
.TemporaryItems
.Trashes
.VolumeIcon.icns

# Directories potentially created on remote AFP share
.AppleDB
.AppleDesktop
Network Trash Folder
Temporary Items
.apdisk

# Eclipse
*.pydevproject
.metadata
.gradle
bin/
tmp/
*.tmp
*.bak
*.swp
*~.nib
local.properties
.settings/
.loadpath

# Eclipse Core
.project

# External tool builders
.externalToolBuilders/

# Locally stored "Eclipse launch configurations"
*.launch

# CDT-specific
.cproject

# JDT-specific (Eclipse Java Development Tools)
.classpath

# Java annotation processor (APT)
.factorypath

# PDT-specific
.buildpath

# sbteclipse plugin
.target

# TeXlipse plugin
.texlipse

# JetBrains
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio

*.iml

## Directory-based project format:
.idea/
# if you remove the above rule, at least ignore the following:

# User-specific stuff:
# .idea/workspace.xml
# .idea/tasks.xml
# .idea/dictionaries

# Sensitive or high-churn files:
# .idea/dataSources.ids
# .idea/dataSources.xml
# .idea/sqlDataSources.xml
# .idea/dynamic.xml
# .idea/uiDesigner.xml

# Gradle:
# .idea/gradle.xml
# .idea/libraries

# Mongo Explorer plugin:
# .idea/mongoSettings.xml

## File-based project format:
*.ipr
*.iws

## Plugin-specific files:

# IntelliJ
/out/

# mpeltonen/sbt-idea plugin
.idea_modules/

# JIRA plugin
atlassian-ide-plugin.xml

# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties

# JAVA
*.class

# Mobile Tools for Java (J2ME)
.mtj.tmp/

# Package Files #
*.jar
*.war
*.ear

# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*

#Maven
target/
**/target/
pom.xml.tag
pom.xml.releaseBackup
pom.xml.versionsBackup
pom.xml.next
release.properties
dependency-reduced-pom.xml
buildNumber.properties
.mvn/timing.properties

logs/