1.查看所有分支(-a=>'查看全部的分支')
git branch -a
2.创建本地test分支
git branch test
2.2切换test分支
git checkout test
3.把本地test分支推送到远程(本地的test分支推送到远程test分支)
git push --set-upstream origin test
git branch -a
git branch test
git checkout test
git push --set-upstream origin test