楼上问题解决了吗？我现在同样的问题
预扣费通知接口返回 HTTP/1.1 400 Bad Request，请问下是什么问题？使用git上的：wechatpay-apache-httpclient 来调试预扣费通知接口的时候，所有数据都组装好的情况下报400[图片] HttpResponseProxy{HTTP/1.1 400 Bad Request [Server: nginx, Date: Thu, 29 Oct 2020 07:16:56 GMT, Content-Type: application/json; charset=utf-8, Content-Length: 114, Connection: keep-alive, Keep-Alive: timeout=8, Cache-Control: no-cache, must-revalidate, X-Content-Type-Options: nosniff, Request-ID: r5c6wy, Content-Language: zh-CN, Wechatpay-Nonce: 9287576fa5f29a1d3038431622142663, Wechatpay-Signature: POwuwucqzSph44yJo/2VCgto4hPNGTgOL0DjQz1Py0gS5GO8pBwJrJYTr9ufr2fWQgUBiy09W8u2ojw6AOgyAQ3m9RYAqrryCwkuF/GvqWkC5MxqAV9eptBQOcqYLpx51ul183ezihnB4LgopD+UE48pbJrq+qU3N9lusNRKj0x0eC4khsb/EvXSFTL6wV9tBh7AtmDlLVt5hkY5N7RyvqGWt1hvAvY/RlPrSjHlvetRfzllO8LWoVy7kW5kM5HEgQFmCOIqSbUBy8ZiUDtC9cxuACD4fc58mLzP2WuguhPji8tMqhrYcYuSKTRifTPhFRdKyA2QIfEoMYA9mRRsDQ==, Wechatpay-Timestamp: 1603955816, Wechatpay-Serial: 21B7F8587BA6DCDCEACD3EF08CC29BDA23B28EFF] ResponseEntityProxy{[Content-Type: application/json; charset=utf-8,Content-Length: 114,Chunked: false]}}
2021-06-06
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