<xml>
<transaction_id>
4200001745202304147126323280
</transaction_id>
<out_trade_no>
2023041451485697
</out_trade_no>
<order_refund_id>
20230414514856971681554849
</order_refund_id>
<total_fee>
10
</total_fee>
<refund_fee>
10
</refund_fee>
<sub_appid>
<![CDATA[wx1a0c116ec3adff91]]>
</sub_appid>
<sub_mch_id>
1641911795
</sub_mch_id>
<nonce_str>
<![CDATA[12KTulX0PmD7W8ug9F4bVyXuinYmmy]]>
</nonce_str>
<appid>
<![CDATA[wxac6ec2609d0dac64]]>
</appid>
<mch_id>
1631885671
</mch_id>
<refund_desc>
<![CDATA[用户申请取消]]>
</refund_desc>
<refund_fee_type>
<![CDATA[CNY]]>
</refund_fee_type>
<sign>
<![CDATA[56471D663BC90FCC4EC22A94FF9BF40C]]>
</sign>
</xml>
总是返回缺少参数,是接口问题还是我的参数不够?
<xml><return_code><![CDATA[FAIL]]></return_code>
<return_msg><![CDATA[缺少参数]]></return_msg>
</xml>
你的“out_refund_no”呢?你看看文档里面有“order_refund_id”吗?认真阅读文档吧