银行卡收单 交易流程说明 该交易发至中间件后，中间件不会直接请求易百后台，而是先点亮 MIS-POS ，等待刷卡和输入密码， MIS-POS 上确认后，中间件收到卡和密码信息再请求易百后台进行处理。 action cardPayment 请求参数，收银机===>中间件 字段 类型 是否必填 字段意义 备注 traceNo String 是 收银机流水号 不允许重复，建议YYYYmmddHHMMSS+10位流水号 totalAmount Price 是 交易总金额 单位：元 undiscountAmount Price 是 不可打折金额 单位：元 acquirer String 是 收单机构 如：citicCashpay表示中信收单 goodsDetail List< goodsDetail > 是 产品明细 验证产品明细时必填 memberDetail Object< memberDetail > 否 会员信息 会员支付时必填 请求报文举例 { "traceNo": "99000009100010101732123", "totalAmount": 40.8, "undiscountAmount": 0, "acquirer": "citicCashpay", "goodsDetail": [ { "goodsCategory": "001", "goodsId": "P00001", "goodsName": "牙膏", "price": 8, "quantity": 2, "rebateCode": "000" }, { "goodsCategory": "101", "goodsId": "P00002", "goodsName": "洗发水", "price": 24.8, "quantity": 1, "rebateCode": "000" } ], "memberDetail": { "memberId": "M000001545", "memberName": "TONY", "grade": "1", "status": "1", "balance": 1000.00, "pointBalance": 30000 } } 返回参数，中间件===>收银机 字段 类型 是否必填 字段意义 备注 traceNo String 是 收银机流水号 不允许重复 orderNo String 是 交易订单号 易百生成 transDate String 是 交易时间 格式为：YYYYmmddHHMMSS returnCode String 是 返回码 00表示交易成功，其他表示失败 returnDesc String 是 返回信息 交易结果描述或错误原因 paidAmount Price 是 支付成功总金额 面值，单位：元 receiptAmount Price 否 商户实收金额 净值，单位：元 invoiceAmount Price 否 商户开票金额 单位：元 exchangeRate Number(8,6) 否 汇率 1外币等于多少人民币 currency String 否 货币类型 例如:CNY discountCode String 否 折扣编码 由收银机分配，用于入账计折扣类型，如：2016120102|10.00表示折扣10元 discountNum Number 否 固定金额折扣数量 用于入账计折扣类型的数量 tenderCode String 否 支付方式编码 由收银机分配，用于入账计支付方式，如：2016120101|20.00表示支付20元 activityProductNo String 否 活动产品编号   activityProductName String 否 活动产品名称   needSameCard Boolean 否 同一张卡支付 如满额立减类活动，需要同一张银行卡支付剩余金额 goodsDetail List< goodsDetail > 否 折抵产品明细 返回后台已抵扣成功的产品明细 fundChannel List< fundChannel > 否 资金渠道   printDetail Object< printDetail > 否 打印信息 如需要在收银小票上打印信息时必填 memberDetail Object< memberDetail > 否 会员信息 返回本次交易的会员信息 paymentExtra Object< paymentDetail > 否 收单信息 返回本次交易的收单信息 返回报文举例 { "traceNo": "9900000910001011920150201", "orderNo": "171698602301", "transDate": "20161231120533", "returnCode": "00", "returnDesc": "SUCCESS", "paidAmount": 40.8, "receiptAmount": 40.8, "invoiceAmount": 40.8, "exchangeRate": 6.0939, "currency": "CNY", "discountCode": "0001", "discountNum": 20, "tenderCode": "8001", "activityProductNo": "00000000089349", "activityProductName": "中信365权益", "needSameCard": true, "goodsDetail": [ { "goodsCategory": "001", "goodsId": "P00001", "goodsName": "牙膏", "price": 8, "quantity": 2, "rebateCode": "000", "activityNo": "2016123101", "memo": "100123456789" }, { "goodsCategory": "101", "goodsId": "P00002", "goodsName": "洗发水", "price": 24.8, "quantity": 1, "rebateCode": "000", "activityNo": "2016123101", "memo": "100123456789" } ], "fundChannel": [ { "channelNo": "001", "channelName": "用户实付现金", "channelAmount": "20.8" }, { "channelNo": "002", "channelName": "用户积分支付", "channelAmount": "20" } ], "printDetail": { "cardNo64": "622562****8888", "bank": "中信银行", "paymentOrderNo": "201612315689412157458787", "pointSale": "20000", "qrCode1": "htt://www.api-location-url.com/url", "qrCode2": "", "qrCode3": "", "barCode1": "12345679", "barCode2": "", "barCode3": "" }, "cardInfo": { "cardNo": "", "password": "", "valid": "", "track1": "", "track2": "", "track3": "", "cardSn": "", "icData": "" }, "memberDetail": { "memberId": "M000001545", "memberName": "TONY", "grade": "1", "status": "1", "balance": 1000, "pointBalance": 30000 }, "voucherDetail": [ { "voucherId": "001", "voucherName": "现金优惠券", "voucherType": "现金", "voucherCode": "123456789", "channelAmount": "20.8" }, { "voucherId": "002", "voucherName": "买一赠一优惠券", "voucherType": "买赠", "voucherCode": "1232136781", "channelAmount": "20.8" } ], "paymentExtra": { "acqId": "0100", "issuerId": "0200", "cardType": "0001", "cardOrgan": false, "pan": "622562****8888", "aid": "A000000333010101" } }