接口:https://api.mch.weixin.qq.com/secapi/pay/refund

传入参数:

<xml><appid>XXX</appid><mch_id>XXX</mch_id><nonce_str>6WI28FNKGPCWOFNCOF270O6W4L2R2ZXT</nonce_str><notify_url>XXX</notify_url><sign>XXX</sign><out_trade_no>361856721599205376</out_trade_no><out_refund_no>361857868338696192</out_refund_no><total_fee>2000</total_fee><refund_fee>400</refund_fee><refund_desc>一起购返现</refund_desc></xml>

<xml><appid>XXX</appid><mch_id>XX</mch_id><nonce_str>CX06O0ECBGWFJVXTXYJFG9KMNDZE1EQP</nonce_str><notify_url>XXX</notify_url><sign>XXX</sign><out_trade_no>361856628049448960</out_trade_no><out_refund_no>361857868753932288</out_refund_no><total_fee>1400</total_fee><refund_fee>280</refund_fee><refund_desc>一起购返现</refund_desc></xml>

时间:2019-08-22 10:15:04

描述:连着两个退款请求返回为空,请求如上