订单退款接口

import requests
import json
import hashlib
import time

def submit_refund(refund_params):
    userId = "your_userId"
    api_key = "your_api_key"
    api_url = "https://openapi.example.com"
    
    request_data = {
        "userId": userId,
        "service": "order.refund.api",
        "bizContent": json.dumps(refund_params)
    }
    
    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"退款请求失败: {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()

def handle_refund_notify(notify_params, api_key):
    sign = notify_params.pop('sign', '')
    calculated_sign = generate_sign(notify_params, api_key)
    if sign != calculated_sign:
        return 'FAIL'

    status = notify_params.get('status')
    if status == '0':
        print("退款成功")
    elif status == '1':
        print("退款失败")
    return 'SUCCESS'

# 退款示例
result = submit_refund({
    "refundNo": f"REFUND{int(time.time())}",
    "transactionNo": "SHPAY202607041623307050108",
    "refundAmount": "100.00",
    "notifyUrl": "https://your-domain.com/refund-notify/",
    "remark": "测试退款"
})

<?php

class OrderRefund {
    private $openUserid = 'your_userId';
    private $apiKey = 'your_api_key';
    private $apiUrl = 'https://openapi.example.com';
    
    public function submitRefund($refundParams) {
        $requestData = [
            'userId' => $this->openUserid,
            'service' => 'order.refund.api',
            'bizContent' => json_encode($refundParams)
        ];
        $requestData['sign'] = $this->generateSign($requestData);
        $response = $this->httpPost($this->apiUrl, $requestData);
        return json_decode($response, true);
    }
    
    public function handleRefundNotify($notifyParams) {
        $sign = $notifyParams['sign'];
        unset($notifyParams['sign']);
        $calculatedSign = $this->generateSign($notifyParams);

        if ($sign !== $calculatedSign) { return 'FAIL'; }

        if ($notifyParams['status'] === '0') {
            // 退款成功
        } elseif ($notifyParams['status'] === '1') {
            // 退款失败
        }
        return 'SUCCESS';
    }
    
    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;
    }
}

// 退款示例
$refund = new OrderRefund();
$result = $refund->submitRefund([
    'refundNo' => 'REFUND' . time(),
    'transactionNo' => 'SHPAY202607041623307050108',
    'refundAmount' => '100.00',
    'notifyUrl' => 'https://your-domain.com/refund-notify/',
    'remark' => '测试退款'
]);
print_r($result);