`老师手机端获取当前班的ip地址` +++ get:/Teacher/startLesson int:classid#班级id(不填时获取当前班的ip) <<< success { "ret": 0, "msg": "ok", "uid": "1003143997294121958", "realname": "开发管理", "bjmc": null, "ip": "127.0.0.1", "isOnline": "1", "time": "2016-02-18 08:27", "lessonid": "16098" } <<< error { "msg": "没有找到相应的服务器", "ret": -1 } +++