发票查验接口：/JXFPAPI/FPCY

参数说明：
FPDM=发票代码&FPHM=发票号码&KPRQ=开票日期(格式：YYYY-MM-DD)&BHSJE=不含税金额&XYM=校验码

正常返回示例:

{
    "resultCode": "0000",
    "resultTip": "查验成功发票一致",
    "salerName": "销方名称",
    "salerTaxNo": "销方税号",
    "salerAddressPhone": "销方地址电话",
    "salerBankAccount": "销方银行及账号",
    "invoiceCode": "发票代码044012345678",
    "invoiceNo": "发票号码23456789",
    "invoiceType": "发票种类04",
    "invoiceDate": "开票日期20210918",
    "machineNo": "机器编号661535123456",
    "buyerName": "购方名称:个人",
    "buyerTaxNo": "购方税号",
    "buyerAddressPhone": "购方地址及电话",
    "buyerAccount": "购方银行及账号",
    "checkCode": "校验码50502375001234569690",
    "cancellationMark": "作废标志:0=正常;1=作废",
    "invoiceAmount": "不含税金额:100.00",
    "taxAmount": "税额:13.00",
    "totalAmount": "含税金额:113.00",
    "remark": "备注内容",
    "detailList": [
        {
            "goodsName": "产品名称:*药品*名称",
            "specificationModel": "规格型号:支",
            "unit": "单位：盒",
            "num": "数量：1",
            "unitPrice": "单价：100.00",
            "detailAmount": "金额:100.00",
            "taxRate": "税率:0.130",
            "taxAmount": "含税金额:113.00",
            "flbm": "分类编码:1070302140000000000",
            "detailNo": "行号:1"
        }
    ]
}

失败返回示例

{
    "resultCode": "0004",
    "resultTip": "发票代码不合法"
}