GitHub代码下载和同步

1.下载git客户端
https://git-scm.com/
ssh-keygen -C "your@email.address" -t rsa

2. 把下面文件的内容复制到 https://github.com/settings/keys
Windows:
C:\Users\GengZhaoyun\.ssh\id_rsa.pub
Linux:
.ssh\id_rsa.pub

测试是否配制正确
ssh -T git@github.com
显示
Hi gengzhaoyun! You've successfully authenticated.

3.配制用户名和email
git config --global user.name "your name" //配置用户名
git config --global user.email "your email" //配置email

4.进入工作文件夹
git clone git@github.com:gengzhaoyun/first_project.git

5.修改并提交代码
git init
git add
git commit -m 'this is in ...'
git remote add origin git@github.com:gengzhaoyun/first_project.git //将本地与远程关联起来
git pull origin master
git push origin master