Implements PAYUNi transaction query functionality using Query API. Use when building order status checking, transaction verification, or payment confirmation features for 統一金流.
你的任務是在用戶的專案中實作統一金流交易查詢功能。
用戶輸入: $ARGUMENTS
詢問用戶:
查詢情境:需要什麼查詢功能?
專案框架:你使用什麼框架?
在現有的支付模組中加入查詢方法,或建立新模組。
核心功能:
generateQueryParams(orderNo) - 產生查詢參數queryTrade(orderNo) - 查詢單筆交易import crypto from 'crypto';
const config = {
merchantId: process.env.PAYUNI_MERCHANT_ID!,
hashKey: process.env.PAYUNI_HASH_KEY!,
hashIV: process.env.PAYUNI_HASH_IV!,
isTest: process.env.PAYUNI_TEST_MODE === 'true',
};
function getQueryEndpoint(): string {
return config.isTest
? 'https://sandbox-api.payuni.com.tw/api/query'
: 'https://api.payuni.com.tw/api/query';
}
function encrypt(data: string): string {
const key = Buffer.from(config.hashKey.padEnd(32, '\0').slice(0, 32), 'utf8');
const iv = Buffer.from(config.hashIV.padEnd(16, '\0').slice(0, 16), 'utf8');
const cipher = crypto.createCipheriv('aes-256-cbc', key, iv);
let encrypted = cipher.update(data, 'utf8', 'hex');
encrypted += cipher.final('hex');
return encrypted;
}
function generateHashInfo(encryptInfo: string): string {
return crypto
.createHash('sha256')
.update(encryptInfo)
.digest('hex')
.toUpperCase();
}
async function queryTrade(orderNo: string): Promise<{
success: boolean;
data?: any;
error?: string;
}> {
try {
const queryData = {
MerID: config.merchantId,
MerTradeNo: orderNo,
};
const queryString = new URLSearchParams(queryData).toString();
const encryptInfo = encrypt(queryString);
const hashInfo = generateHashInfo(encryptInfo);
const response = await fetch(getQueryEndpoint(), {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: new URLSearchParams({
MerID: config.merchantId,
EncryptInfo: encryptInfo,
HashInfo: hashInfo,
}),
});
const result = await response.json();
return {
success: result.Status === 'SUCCESS',
data: result,
};
} catch (error) {
return {
success: false,
error: error instanceof Error ? error.message : 'Query failed',
};
}
}
// 使用範例
const result = await queryTrade('ORDER-123');
if (result.success) {
console.log('交易狀態:', result.data.TradeStatus);
}
建議整合方式:
GET /api/orders/:orderNo/status| 環境 | URL |
|------|-----|
| 測試 | https://sandbox-api.payuni.com.tw/api/query |
| 正式 | https://api.payuni.com.tw/api/query |
| 參數 | 類型 | 必填 | 說明 | |------|------|:----:|------| | MerID | String | ✓ | 商店代號 | | EncryptInfo | String | ✓ | 加密後的查詢參數 | | HashInfo | String | ✓ | SHA256 雜湊值 |
| 參數 | 類型 | 必填 | 說明 | |------|------|:----:|------| | MerID | String | ✓ | 商店代號 | | MerTradeNo | String | ✓ | 商店訂單編號 |
| 值 | 說明 | |:--:|------| | 0 | 未付款 | | 1 | 已付款 | | 2 | 付款失敗 | | 3 | 已取消 | | 6 | 已退款 |
| 代碼 | 說明 | 解決方式 | |------|------|---------| | TRA10001 | 查無此筆交易 | 確認訂單編號正確 | | TRA10002 | 驗證錯誤 | 確認加密參數正確 | | TRA10003 | 商店代號錯誤 | 確認 MerchantID 正確 |
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Category:developer