测试环境请求地址：http://finance-pai-test.51y5.net/pai/createRefundOrder

{
    "newBaseData": {
        "version": "001",
        "platform": "H5",
        "request_id": "000001",
        "out_user_id": "1084095900",
        "guest_id": "9999",
        "client_user_id": "ccccc",
        "service_name": "CreatePayOrder",
        "language": 0,
        "merchant_id": "yx001",
        "appid": "XXX",
        "time_stamp": "20180329170136",
        "compress_type": "0"
    },
    "newBizData":{
        "refund_type":"cash", //消费退款   cash \ coin \ mixed
        "refund_way": "CCB_kj,acbc_kj",
        "refund_portion": "all",
        "refund_strong_check": "no",
        "settlement_id": "lx0account0",
        "appid": "1001",
        "out_trade_id": "yxdd001",
        "original_wk_trade_id":"pai301219192xyz",
        "out_refund_id": "rfd001",
        "refund_coin_amount": 100,
        "coin_type": "lianshang coin",
        "refund_cash_amount": 200,
        "refund_currency": "CNY",
         "refund_product_subject":[{
            "channel_goods_code": "yxzb01",
            "channel_goods_subject": "钓鱼达人",
            "channel_goods_desc": "钓鱼 达人游戏",
            "channel_goods_sum": "2",
            "channel_goods_price": "30",
            "channel_goods_img": "http://img.lianshang.corp/img/a.png",
            "rights_type":"A",
            "rights_price":"3"
        }, {
            "channel_goods_code": "yxzb02",
            "channel_goods_subject": "麻将",
            "channel_goods_desc": "单人麻将游戏",
            "channel_goods_sum": "1",
            "channel_goods_price": "300",
            "channel_goods_img": "http://img.lianshang.corp/img/b.png",
            "rights_type":"B",
            "rights_price":"5"
        }]
        "notify_url": "http://pay.sdk.front.notify/",
        "refund_expire": 30,
        "risk_extend":""
        }
}