接口地址 :https://api.mch.weixin.qq.com/v3/pay/transactions/jsapi

以下是返回结果

{

    "code": "SIGN_ERROR",

    "detail": {

        "detail": {

            "issue": "sign not match"

        },

        "field": "signature",

        "location": "authorization",

        "sign_information": {

            "method": "POST",

            "sign_message_length": 839,

            "truncated_sign_message": "POST\n/v3/pay/transactions/jsapi\n1719112481\nPXLFUAISFM6GYUPZ2ZHIT4JXJ29QEYH3\n{\r\n\t\"app\n",

            "url": "/v3/pay/transactions/jsapi"

        }

    },

    "message": "签名错误，请检查后再试"

}