退款查询接口

{
  "open_userid": "your_open_userid",
  "service": "refund.query.status",
  "bizContent": "{\"refundNo\":\"REF20260704001\"}",
  "sign_type": "MD5",
  "sign": "your_calculated_sign"
}

import requests
import json
import hashlib

def query_refund_status(refund_transaction_no):
    """查询退款状态"""
    open_userid = "your_open_userid"
    api_key = "your_api_key"
    api_url = "https://openapi.example.com"

    query_params = {"refundTransactionNo": refund_transaction_no}

    request_data = {
        "open_userid": open_userid,
        "service": "refund.query.status",
        "bizContent": json.dumps(query_params),
        "sign_type": "MD5"
    }

    sign = generate_sign(request_data, api_key)
    request_data["sign"] = sign

    try:
        response = requests.post(api_url, json=request_data, timeout=30)
        return response.json()
    except Exception as e:
        print(f"查询失败: {e}")
        return None

def generate_sign(params, api_key):
    sorted_params = sorted(params.items())
    sign_str = "&".join([f"{k}={v}" for k, v in sorted_params if v])
    sign_str += f"&key={api_key}"
    return hashlib.md5(sign_str.encode()).hexdigest().upper()

# 查询退款状态
result = query_refund_status("SHRF20260704123456789012")

# 处理返回结果
if result and result.get("code") == "0000":
    data = result.get("data", {})
    order_status = data.get("orderStatus")
    refund_amount = data.get("refundAmount")

    if order_status == 0:
        print("退款处理中")
    elif order_status == 1:
        print(f"退款成功，金额：{refund_amount}元")
    elif order_status == 2:
        print("退款失败")
else:
    print(f"查询失败：{result.get('message')}")

<?php

class RefundQuery {
    private $openUserid = 'your_open_userid';
    private $apiKey = 'your_api_key';
    private $apiUrl = 'https://openapi.example.com';

    public function queryRefundStatus($refundTransactionNo) {
        $queryParams = ['refundTransactionNo' => $refundTransactionNo];

        $requestData = [
            'open_userid' => $this->openUserid,
            'service' => 'refund.query.status',
            'bizContent' => json_encode($queryParams),
            'sign_type' => 'MD5'
        ];

        $requestData['sign'] = $this->generateSign($requestData);
        $response = $this->httpPost($this->apiUrl, $requestData);
        return json_decode($response, true);
    }

    private function generateSign($params) {
        ksort($params);
        $signStr = '';
        foreach ($params as $key => $value) {
            if ($value !== '') {
                $signStr .= "{$key}={$value}&";
            }
        }
        $signStr .= "key={$this->apiKey}";
        return strtoupper(md5($signStr));
    }

    private function httpPost($url, $data) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30);
        $response = curl_exec($ch);
        curl_close($ch);
        return $response;
    }
}

// 查询退款状态
$refundQuery = new RefundQuery();
$result = $refundQuery->queryRefundStatus('SHRF20260704123456789012');

// 处理返回结果
if ($result && $result['code'] === '0000') {
    $data = $result['data'] ?? [];
    $orderStatus = $data['orderStatus'] ?? 0;

    switch ($orderStatus) {
        case 0:
            echo "退款处理中\n";
            break;
        case 1:
            echo "退款成功，金额：{$data['refundAmount']}元\n";
            break;
        case 2:
            echo "退款失败\n";
            break;
    }
} else {
    echo "查询失败：" . ($result['message'] ?? '未知错误') . "\n";
}