{
    "errcode": 0,
    "errmsg": "ok",
    "project_name": "学费",
    "amount": 998,
    "payment_result": [
        {
            "student_userid": "xxxx",
            "trade_state": 1,
            "trade_no": "xxxxx",
            "payer_parent_userid": "zhangshan"
        }
    ]
}
