撤销修改：git checkout -- file
删除文件：git rm file
查看状态：git status
添加记录：git add file 或 git add .
添加描述：git commit -m "miao shu nei rong"
同步数据：git pull
提交数据：git push origin name
创建远程分支->提交数据到新分支：git push origin newName
分支操作
查看分支：git branch
创建分支：git branch name
切换分支：git checkout name
创建+切换分支：git checkout -b name
合并某分支到当前分支：git merge name
删除分支：git branch -d name
删除远程分支：git push origin :name

git push -f <remote> <branch>

git branch -f <branch> <commit>|<tag>|<branch>