1. git branch abc: 创建本地分支abc;
2. git checkout abc:切换到已创建的abc分支;
3. git checkout -b abc:创建本地分支abc,并切换到abc分支;
4. git branch -d abc: 删除本地分支abc;
5. git push origin abc:abc:推送abc分支的修改到远程,并在远程创建abc分支;
6. git push origin abc:推送abc分支的内容到远程;