医生预约挂号系统

项目分为1.用户管理登录，医生挂诊，医生排班，支付结算
我负责2.用户登录，支付结算
难点3.沙箱支付
The project is divided into 1. user management login, doctor appointment, doctor scheduling, payment settlement.
I am responsible for 2. user login, payment settlement.
Challenge 3. sandbox payment