方式1:基于浏览器
http://localhost:8080/oauth/authorize?client_id=unity-client&redirect_uri=http%3a%2f%2flocalhost%3a8080%2funity%2fdashboard.htm&response_type=code&scope=read

方式2:基于客户端
http://localhost:8080/oauth/token?client_id=unity-client&client_secret=unity&grant_type=password&scope=read,write&username=admin&password=admin



{"access_token":"3420d0e0-ed77-45e1-8370-2b55af0a62e8","token_type":"bearer","refresh_token":"b36f4978-a172-4aa8-af89-60f58abe3ba1","expires_in":43199,"scope":"read write"}