https://spring.io/guides/gs/serving-web-content/
如果出现! [rejected] master -> master (non-fast forward) 1、git pull origin master --allow-unrelated-histories //把远程仓库和本地同步,消除差异
2、重新git add .和git commit -m ""相应文件
3、git push origin master
1。调github获取权限 2。redirect_url 3.写api接受code模拟post调用access_token接口