1.初始化git：$ git init
2.添加：$ git add . （如果出现warning: LF will be replaced by CRLF in lib/one.dart. The file will have its original line endings in your working directory 执行步骤 2.1）
2.1：git config --global core.autocrlf false
3.绑定邮箱：$ git config --global user.email "me@.com.cn"
4.绑定姓名：$ git config --global user.name "me"
5.commit：$ git commit -m "first commit"
6.关联git仓库：$ git remote add origin http:***.git
7.提交到仓库：$ git push origin master
