clone 某个分支：
git clone -b dev5 https://git.coding.net/aiyongbao/tradepc.git tradepc_zzgdapp
clone 所有分支：
git clone https://git.coding.net/aiyongbao/tradepc.git tradepc_zzgdapp
git branch -r
git checkout dev5
原文：http://www.cnblogs.com/monarchDong/p/6829970.html