设置user name，email
git config --global user.name "user name"
git config --global user.email "email"查询user name，email
git config --global user.name
git config --global user.email
Administrator@XC3MMEWPTI23945 MINGW64 /e/Git
$ git config --global user.name "Zhonghua"
Administrator@XC3MMEWPTI23945 MINGW64 /e/Git
$ git config --global user.name
Zhonghua
Administrator@XC3MMEWPTI23945 MINGW64 /e/Git
$ git config --global user.email "956159241@qq.com"
Administrator@XC3MMEWPTI23945 MINGW64 /e/Git
$ git config --global user.email
956159241@qq.com
