EduClassTime

{
    "id": 0,
    "tenantId": "string",
    "schoolId": 0,
    "startTime": {
        "hour": 0,
        "minute": 0,
        "second": 0,
        "nano": 0
    },
    "endTime": {
        "hour": 0,
        "minute": 0,
        "second": 0,
        "nano": 0
    },
    "delFlag": 0
}