## :-: **是否购买** ### 判断该用户是否购买成功过该课程 ~~~[api] get:/api/User/isBuy varchar:token=100141&78a3c8521727c46554896989727e5fe7#登录密钥 int:id=43#课程id <<< success {"code":1,"msg":"已购买"} <<< error {"code":0,"msg":"未购买"} ~~~