<xml>
<nonce_str>qLhciJ78SZDRWt7AAhChPxrzboapyMpC</nonce_str>
<out_trade_no>96905139629002321</out_trade_no>
<openid>oRMFo5f3SMf_ATbd764pqOMo9QUk</openid>
<appid>wx32bcf8bb570a41ff</appid>
<total_fee>5346</total_fee>
<sign>xxxxxx</sign>
<trade_type>JSAPI</trade_type>
<mch_id>1624486253</mch_id>
<body>迟菜心约300g/份[一斤]等商品</body>
<notify_url>http://car.zcwlsc.com/um/weixinorderresponse</notify_url>
<spbill_create_ip>223.73.52.47</spbill_create_ip>
</xml>
参考这个链接：https://developers.weixin.qq.com/community/develop/doc/00040474584658686e3dd9d8c5bc00?_at=1674718474774