git项目添加忽略文件.gitignore

1.将.gitignore文件放入项目根路径

• .gitignore

HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**
!**/src/test/**

### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache

### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr

### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/

### VS Code ###
.vscode/

• 执行以下命令

git rm -r --cached .
git status --ignored
git add .
git commit -m "add .gitignore"
git push