http://www.ruanyifeng.com/blog/2015/12/git-cheat-sheet.html
http://www.open-open.com/lib/view/open1426989432021.html
进入仓库目录:
查看仓库状态 git status
下的代码到本地仓库 git clone https://github.com/LinWater/jsoup.git jsoup
更新服务器最新代码到本地仓库 cd jsoup ; git pull ; git statsh