## 可选年级列表 +++ get:/api/v1/sys/grade <<< success { "status": 1, "info": "success", "data": [ 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012 ] } <<< error { "status": 0, "info": "操作失败", "data": [] } +++