测试结果:

JSAPI下单请求头：{Accept=application/json, Authorization=XXXXXX-XXXXX-XXXXXmchid="XXXXXXXXX",nonce_str="XXXXXXXXXXXXXXXXXXXXXXXXXXXX",timestamp="XXXXXXX",serial_no="XXXXXXXXXXXXXXXXXXXXXXXX",signature="XXXXXXXXXXXXXXXXXXXXXXX+XXXXXXX+XXXXXXXXXXXXXXXXXXXXXXXXX+lCvYyg0Axvyz5oQN0fA4I1zRsp7M16JqNQB1X4tU16J9nptdETo+2kWlsuI/MfsgfggrFGFG9BF1hzIcaxJlQMn0bKVJiQtR2B4+JKj71oAhDSADFDGKI8c1tDFiZPLyyWfgsgfgghjrfOCoefW5FK0T5cHlhAYjqK8Q8gusTc+Gj/+bfKLGoaHFa+lyjEcPnPXfRdGHFHGDH37vmTmICeHRVIYaRLlg==", Content-Type=application/json}

JSAPI下单requestBodyStr：{"amount":{"total":9990,"currency":"CNY"},"mchid":"XXXXXXXXXX","out_trade_no":"20259101434226890425","appid":"XXXXXXXXXXXXX","description":"商品名称5","notify_url":"https://localhost:8080/sboot/pay/notify","payer":{"openid":"XXXXXXXXXXXX"}}

微信支付v3 POST请求失败：/v3/pay/transactions/jsapi

HTTP状态码：401 UNAUTHORIZED

响应头：[Server:"nginx", Date:"Thu, 11 Sep 2025 00:56:30 GMT", Content-Type:"application/json; charset=utf-8", Content-Length:"378", Connection:"keep-alive", Keep-Alive:"timeout=8", Cache-Control:"no-cache, must-revalidate", X-Content-Type-Options:"nosniff", Request-ID:"XXXXXXXXXXXXXXXXXXX-XXXXXXXXX", Content-Language:"zh-CN"]