# 券码历史记录

- [JSON](https://book.e-buy.com/books/e-buy-40/page/7f100 "网络通信时的一种数据交互格式") Key为returnData，出现在返回报文中，非必填

<table id="bkmrk-%E5%AD%97%E6%AE%B5-%E7%B1%BB%E5%9E%8B-%E6%98%AF%E5%90%A6%E5%BF%85%E5%A1%AB-%E5%AD%97%E6%AE%B5%E6%84%8F%E4%B9%89-%E5%A4%87%E6%B3%A8-t" style="width: 96.4286%; height: 411.75px;"><thead><tr style="height: 46.5938px;"><th style="width: 18.2716%; height: 46.5938px;">字段</th><th style="width: 9.50617%; height: 46.5938px;">类型</th><th style="width: 7.65432%; height: 46.5938px;">是否必填</th><th style="width: 12.2222%; height: 46.5938px;">字段意义</th><th style="width: 52.2222%; height: 46.5938px;">备注</th></tr></thead><tbody><tr style="height: 29.7969px;"><td style="width: 18.2716%; height: 29.7969px;"><div><div>dateTime</div></div></td><td style="width: 9.50617%; height: 29.7969px;">String</td><td style="width: 7.65432%; height: 29.7969px;">是</td><td style="width: 12.2222%; height: 29.7969px;">交易时间</td><td style="width: 52.2222%; height: 29.7969px;">格式: yyyyMMddHHmmss</td></tr><tr style="height: 29.7969px;"><td style="width: 18.2716%; height: 29.7969px;"><div><div>returnCode</div></div></td><td style="width: 9.50617%; height: 29.7969px;">String</td><td style="width: 7.65432%; height: 29.7969px;">是</td><td style="width: 12.2222%; height: 29.7969px;">返回编码</td><td style="width: 52.2222%; height: 29.7969px;">00</td></tr><tr style="height: 46.5938px;"><td style="width: 18.2716%; height: 46.5938px;"><div><div>returnMsg</div></div></td><td style="width: 9.50617%; height: 46.5938px;">String</td><td style="width: 7.65432%; height: 46.5938px;">是</td><td style="width: 12.2222%; height: 46.5938px;">返回编码描述</td><td style="width: 52.2222%; height: 46.5938px;">  
</td></tr><tr style="height: 46.5938px;"><td style="width: 18.2716%; height: 46.5938px;"><div><div>code</div></div></td><td style="width: 9.50617%; height: 46.5938px;">String</td><td style="width: 7.65432%; height: 46.5938px;">是</td><td style="width: 12.2222%; height: 46.5938px;">券码</td><td style="width: 52.2222%; height: 46.5938px;">  
</td></tr><tr style="height: 46.5938px;"><td style="width: 18.2716%; height: 46.5938px;"><div><div>mid</div></div></td><td style="width: 9.50617%; height: 46.5938px;">String</td><td style="width: 7.65432%; height: 46.5938px;">否</td><td style="width: 12.2222%; height: 46.5938px;">商户号</td><td style="width: 52.2222%; height: 46.5938px;">  
</td></tr><tr style="height: 29.7969px;"><td style="width: 18.2716%; height: 29.7969px;"><div><div>shopName</div></div></td><td style="width: 9.50617%; height: 29.7969px;">String</td><td style="width: 7.65432%; height: 29.7969px;">否</td><td style="width: 12.2222%; height: 29.7969px;">门店名称</td><td style="width: 52.2222%; height: 29.7969px;">  
</td></tr><tr style="height: 29.7969px;"><td style="width: 18.2716%; height: 29.7969px;"><div><div><div><div>type</div></div></div></div></td><td style="width: 9.50617%; height: 29.7969px;">String</td><td style="width: 7.65432%; height: 29.7969px;">是</td><td style="width: 12.2222%; height: 29.7969px;">交易类型</td><td style="width: 52.2222%; height: 29.7969px;">1 发码 2 核销 3 作废 4核销撤销</td></tr><tr style="height: 29.7969px;"><td style="width: 18.2716%; height: 29.7969px;"><div><div><div><div>shopNo</div></div></div></div></td><td style="width: 9.50617%; height: 29.7969px;">String</td><td style="width: 7.65432%; height: 29.7969px;">否</td><td style="width: 12.2222%; height: 29.7969px;">门店号</td><td style="width: 52.2222%; height: 29.7969px;">  
</td></tr><tr style="height: 29.7969px;"><td style="width: 18.2716%; height: 29.7969px;"><div><div>tid</div></div></td><td style="width: 9.50617%; height: 29.7969px;">String</td><td style="width: 7.65432%; height: 29.7969px;">否</td><td style="width: 12.2222%; height: 29.7969px;">终端号</td><td style="width: 52.2222%; height: 29.7969px;">  
</td></tr><tr style="height: 46.5938px;"><td style="width: 18.2716%; height: 46.5938px;"><div><div>swift</div></div></td><td style="width: 9.50617%; height: 46.5938px;">String</td><td style="width: 7.65432%; height: 46.5938px;">否</td><td style="width: 12.2222%; height: 46.5938px;">索引序号</td><td style="width: 52.2222%; height: 46.5938px;">  
</td></tr><tr><td style="width: 18.2716%;"><div><div>extendData</div></div></td><td style="width: 9.50617%;">[JSON](https://book.e-buy.com/books/c20ad/page/fe73f)</td><td style="width: 7.65432%;">否</td><td style="width: 12.2222%;">扩展自定义字段</td><td style="width: 52.2222%;">  
</td></tr></tbody></table>