Git.gitignore文件不生效的原因分析及解决过程

# 移除单个文件
git rm --cached <file_path>

# 移除整个目录
git rm -r --cached <directory_path>

# 移除所有文件并重新应用.gitignore规则
git rm -r --cached .

git add .
git commit -m "Fixed .gitignore issues"

my-project/
├── .git/
├── .gitignore    # 应该在这里
├── src/
└── README.md

# 忽略所有 .log 文件
*.log

# 忽略 node_modules 目录
node_modules/

# 忽略所有 .txt 文件，但不包括 important.txt
*.txt
!important.txt

# 忽略 build 目录下的所有文件
build/

git rm -r --cached .
git add .
git commit -m "Fixed ignore files"

# 依赖目录
node_modules/
npm-debug.log*
yarn-debug.log*
yarn-error.log*

# 运行时数据
pids
*.pid
*.seed
*.pid.lock

# 覆盖率目录
coverage/
.nyc_output

# 环境变量文件
.env
.env.test

# 日志文件
logs
*.log

# Byte-compiled / optimized / DLL files
__pycache__/
*.py[cod]
*$py.class

# C extensions
*.so

# Distribution / packaging
.Python
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
wheels/
*.egg-info/
.installed.cfg
*.egg
MANIFEST

# Virtual environments
venv/
ENV/

# Compiled class file
*.class

# Log file
*.log

# BlueJ files
*.ctxt

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

# Package Files #
*.jar
*.war
*.nar
*.ear
*.zip
*.tar.gz
*.7z

git config --global core.excludesfile ~/.global_gitignore