git上传代码

创建新仓库，并且第一次上传的时候

echo "# Renju" >> README.md
git init
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/geroge-gao/Renju.git
git push -u origin master

更新本地代码

git remote add origin https://github.com/geroge-gao/Renju.git
git push -u origin master

如果出现fatal: remote origin already exists.

git remote rm origin//删掉origin
git add .
git commit -m "update"
git remote add origin https://github.com/geroge-gao/Renju.git
git push -u origin master