软件下载网址:https://git-scm.com/downloads
1)首次
git init
git add .
git commit -m "首次提交项目"
git remote add origin https://gitee.com/your_username/your_repo.git
git push -u origin master
2)修改后再上传
git status
git add .
git commit -m "更新文件,修复了一些问题"
git push origin master