通过命令行创建一个新的版本库
git init
git add xxx.x
git commit -m "first commit"
git remote add origin uri
git push -u origin master
通过命令行推送一个已存在的版本库
git remote add origin uri
git push -u origin master
git init
git add xxx.x
git commit -m "first commit"
git remote add origin uri
git push -u origin master
git remote add origin uri
git push -u origin master