WxPayApi.cs 24 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Text;
  4. using Utils;
  5. namespace WxPayAPI
  6. {
  7. public class WxPayApi
  8. {
  9. /**
  10. * 提交被扫支付API
  11. * 收银员使用扫码设备读取微信用户刷卡授权码以后,二维码或条码信息传送至商户收银台,
  12. * 由商户收银台或者商户后台调用该接口发起支付。
  13. * @param WxPayData inputObj 提交给被扫支付API的参数
  14. * @param int timeOut 超时时间
  15. * @throws WxPayException
  16. * @return 成功时返回调用结果,其他抛异常
  17. */
  18. public static WxPayData Micropay(WxPayData inputObj, int timeOut = 10)
  19. {
  20. string url = "https://api.mch.weixin.qq.com/pay/micropay";
  21. //检测必填参数
  22. if (!inputObj.IsSet("body"))
  23. {
  24. throw new WxPayException("提交被扫支付API接口中,缺少必填参数body!");
  25. }
  26. else if (!inputObj.IsSet("out_trade_no"))
  27. {
  28. throw new WxPayException("提交被扫支付API接口中,缺少必填参数out_trade_no!");
  29. }
  30. else if (!inputObj.IsSet("total_fee"))
  31. {
  32. throw new WxPayException("提交被扫支付API接口中,缺少必填参数total_fee!");
  33. }
  34. else if (!inputObj.IsSet("auth_code"))
  35. {
  36. throw new WxPayException("提交被扫支付API接口中,缺少必填参数auth_code!");
  37. }
  38. inputObj.SetValue("spbill_create_ip", WxPayConfig.IP);//终端ip
  39. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  40. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  41. inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", ""));//随机字符串
  42. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  43. string xml = inputObj.ToXml();
  44. var start = DateTime.Now;//请求开始时间
  45. NlogHelper.quartzLogger.Info("WxPayApi MicroPay request : " + xml);
  46. string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
  47. NlogHelper.quartzLogger.Debug("WxPayApi", "MicroPay response : " + response);
  48. var end = DateTime.Now;
  49. int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
  50. //将xml格式的结果转换为对象以返回
  51. WxPayData result = new WxPayData();
  52. result.FromXml(response);
  53. ReportCostTime(url, timeCost, result);//测速上报
  54. return result;
  55. }
  56. /**
  57. *
  58. * 查询订单
  59. * @param WxPayData inputObj 提交给查询订单API的参数
  60. * @param int timeOut 超时时间
  61. * @throws WxPayException
  62. * @return 成功时返回订单查询结果,其他抛异常
  63. */
  64. public static WxPayData OrderQuery(WxPayData inputObj, int timeOut = 6)
  65. {
  66. string url = "https://api.mch.weixin.qq.com/pay/orderquery";
  67. //检测必填参数
  68. if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
  69. {
  70. throw new WxPayException("订单查询接口中,out_trade_no、transaction_id至少填一个!");
  71. }
  72. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  73. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  74. inputObj.SetValue("nonce_str", WxPayApi.GenerateNonceStr());//随机字符串
  75. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  76. string xml = inputObj.ToXml();
  77. var start = DateTime.Now;
  78. NlogHelper.quartzLogger.Debug($"【OrderQuery】 xml request:{xml}");
  79. string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口提交数据
  80. NlogHelper.quartzLogger.Debug($"【OrderQuery】 xml response:{response}" );
  81. var end = DateTime.Now;
  82. int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
  83. //将xml格式的数据转化为对象以返回
  84. WxPayData result = new WxPayData();
  85. result.FromXml(response);
  86. ReportCostTime(url, timeCost, result);//测速上报
  87. return result;
  88. }
  89. /**
  90. *
  91. * 撤销订单API接口
  92. * @param WxPayData inputObj 提交给撤销订单API接口的参数,out_trade_no和transaction_id必填一个
  93. * @param int timeOut 接口超时时间
  94. * @throws WxPayException
  95. * @return 成功时返回API调用结果,其他抛异常
  96. */
  97. public static WxPayData Reverse(WxPayData inputObj, int timeOut = 6)
  98. {
  99. string url = "https://api.mch.weixin.qq.com/secapi/pay/reverse";
  100. //检测必填参数
  101. if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
  102. {
  103. throw new WxPayException("撤销订单API接口中,参数out_trade_no和transaction_id必须填写一个!");
  104. }
  105. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  106. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  107. inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
  108. inputObj.SetValue("transaction_id", "");//签名
  109. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  110. string xml = inputObj.ToXml();
  111. var start = DateTime.Now;//请求开始时间
  112. NlogHelper.quartzLogger.Debug("WxPayApi", "Reverse request : " + xml);
  113. string response = HttpService.Post(xml, url, true, timeOut);
  114. NlogHelper.quartzLogger.Debug("WxPayApi", "Reverse response : " + response);
  115. var end = DateTime.Now;
  116. int timeCost = (int)((end - start).TotalMilliseconds);
  117. WxPayData result = new WxPayData();
  118. result.FromXml(response);
  119. ReportCostTime(url, timeCost, result);//测速上报
  120. return result;
  121. }
  122. /**
  123. *
  124. * 申请退款
  125. * @param WxPayData inputObj 提交给申请退款API的参数
  126. * @param int timeOut 超时时间
  127. * @throws WxPayException
  128. * @return 成功时返回接口调用结果,其他抛异常
  129. */
  130. public static WxPayData Refund(WxPayData inputObj, int timeOut = 6)
  131. {
  132. string url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
  133. //检测必填参数
  134. if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
  135. {
  136. throw new WxPayException("退款申请接口中,out_trade_no、transaction_id至少填一个!");
  137. }
  138. else if (!inputObj.IsSet("out_refund_no"))
  139. {
  140. throw new WxPayException("退款申请接口中,缺少必填参数out_refund_no!");
  141. }
  142. else if (!inputObj.IsSet("total_fee"))
  143. {
  144. throw new WxPayException("退款申请接口中,缺少必填参数total_fee!");
  145. }
  146. else if (!inputObj.IsSet("refund_fee"))
  147. {
  148. throw new WxPayException("退款申请接口中,缺少必填参数refund_fee!");
  149. }
  150. else if (!inputObj.IsSet("op_user_id"))
  151. {
  152. throw new WxPayException("退款申请接口中,缺少必填参数op_user_id!");
  153. }
  154. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  155. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  156. inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", ""));//随机字符串
  157. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  158. string xml = inputObj.ToXml();
  159. var start = DateTime.Now;
  160. NlogHelper.quartzLogger.Debug("WxPayApi", "Refund request : " + xml);
  161. string response = HttpService.Post(xml, url, true, timeOut);//调用HTTP通信接口提交数据到API
  162. NlogHelper.quartzLogger.Debug("WxPayApi", "Refund response : " + response);
  163. var end = DateTime.Now;
  164. int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
  165. //将xml格式的结果转换为对象以返回
  166. WxPayData result = new WxPayData();
  167. result.FromXml(response);
  168. ReportCostTime(url, timeCost, result);//测速上报
  169. return result;
  170. }
  171. /**
  172. *
  173. * 查询退款
  174. * 提交退款申请后,通过该接口查询退款状态。退款有一定延时,
  175. * 用零钱支付的退款20分钟内到账,银行卡支付的退款3个工作日后重新查询退款状态。
  176. * out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个
  177. * @param WxPayData inputObj 提交给查询退款API的参数
  178. * @param int timeOut 接口超时时间
  179. * @throws WxPayException
  180. * @return 成功时返回,其他抛异常
  181. */
  182. public static WxPayData RefundQuery(WxPayData inputObj, int timeOut = 6)
  183. {
  184. string url = "https://api.mch.weixin.qq.com/pay/refundquery";
  185. //检测必填参数
  186. if (!inputObj.IsSet("out_refund_no") && !inputObj.IsSet("out_trade_no") &&
  187. !inputObj.IsSet("transaction_id") && !inputObj.IsSet("refund_id"))
  188. {
  189. throw new WxPayException("退款查询接口中,out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个!");
  190. }
  191. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  192. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  193. inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
  194. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  195. string xml = inputObj.ToXml();
  196. var start = DateTime.Now;//请求开始时间
  197. NlogHelper.quartzLogger.Debug("WxPayApi", "RefundQuery request : " + xml);
  198. string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
  199. NlogHelper.quartzLogger.Debug("WxPayApi", "RefundQuery response : " + response);
  200. var end = DateTime.Now;
  201. int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时
  202. //将xml格式的结果转换为对象以返回
  203. WxPayData result = new WxPayData();
  204. result.FromXml(response);
  205. ReportCostTime(url, timeCost, result);//测速上报
  206. return result;
  207. }
  208. /**
  209. * 下载对账单
  210. * @param WxPayData inputObj 提交给下载对账单API的参数
  211. * @param int timeOut 接口超时时间
  212. * @throws WxPayException
  213. * @return 成功时返回,其他抛异常
  214. */
  215. public static WxPayData DownloadBill(WxPayData inputObj, int timeOut = 6)
  216. {
  217. string url = "https://api.mch.weixin.qq.com/pay/downloadbill";
  218. //检测必填参数
  219. if (!inputObj.IsSet("bill_date"))
  220. {
  221. throw new WxPayException("对账单接口中,缺少必填参数bill_date!");
  222. }
  223. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  224. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  225. inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
  226. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  227. string xml = inputObj.ToXml();
  228. NlogHelper.quartzLogger.Debug("WxPayApi", "DownloadBill request : " + xml);
  229. string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API
  230. NlogHelper.quartzLogger.Debug("WxPayApi", "DownloadBill result : " + response);
  231. WxPayData result = new WxPayData();
  232. //若接口调用失败会返回xml格式的结果
  233. if (response.Substring(0, 5) == "<xml>")
  234. {
  235. result.FromXml(response);
  236. }
  237. //接口调用成功则返回非xml格式的数据
  238. else
  239. result.SetValue("result", response);
  240. return result;
  241. }
  242. /**
  243. *
  244. * 转换短链接
  245. * 该接口主要用于扫码原生支付模式一中的二维码链接转成短链接(weixin://wxpay/s/XXXXXX),
  246. * 减小二维码数据量,提升扫描速度和精确度。
  247. * @param WxPayData inputObj 提交给转换短连接API的参数
  248. * @param int timeOut 接口超时时间
  249. * @throws WxPayException
  250. * @return 成功时返回,其他抛异常
  251. */
  252. public static WxPayData ShortUrl(WxPayData inputObj, int timeOut = 6)
  253. {
  254. string url = "https://api.mch.weixin.qq.com/tools/shorturl";
  255. //检测必填参数
  256. if (!inputObj.IsSet("long_url"))
  257. {
  258. throw new WxPayException("需要转换的URL,签名用原串,传输需URL encode!");
  259. }
  260. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  261. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  262. inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
  263. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  264. string xml = inputObj.ToXml();
  265. var start = DateTime.Now;//请求开始时间
  266. NlogHelper.quartzLogger.Debug("WxPayApi", "ShortUrl request : " + xml);
  267. string response = HttpService.Post(xml, url, false, timeOut);
  268. NlogHelper.quartzLogger.Debug("WxPayApi", "ShortUrl response : " + response);
  269. var end = DateTime.Now;
  270. int timeCost = (int)((end - start).TotalMilliseconds);
  271. WxPayData result = new WxPayData();
  272. result.FromXml(response);
  273. ReportCostTime(url, timeCost, result);//测速上报
  274. return result;
  275. }
  276. /**
  277. *
  278. * 统一下单
  279. * @param WxPaydata inputObj 提交给统一下单API的参数
  280. * @param int timeOut 超时时间
  281. * @throws WxPayException
  282. * @return 成功时返回,其他抛异常
  283. */
  284. public static WxPayData UnifiedOrder(WxPayData inputObj, int timeOut = 6)
  285. {
  286. string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
  287. //检测必填参数
  288. if (!inputObj.IsSet("out_trade_no"))
  289. {
  290. throw new WxPayException("缺少统一支付接口必填参数out_trade_no!");
  291. }
  292. else if (!inputObj.IsSet("body"))
  293. {
  294. throw new WxPayException("缺少统一支付接口必填参数body!");
  295. }
  296. else if (!inputObj.IsSet("total_fee"))
  297. {
  298. throw new WxPayException("缺少统一支付接口必填参数total_fee!");
  299. }
  300. else if (!inputObj.IsSet("trade_type"))
  301. {
  302. throw new WxPayException("缺少统一支付接口必填参数trade_type!");
  303. }
  304. //关联参数
  305. if (inputObj.GetValue("trade_type").ToString() == "JSAPI" && !inputObj.IsSet("openid"))
  306. {
  307. throw new WxPayException("统一支付接口中,缺少必填参数openid!trade_type为JSAPI时,openid为必填参数!");
  308. }
  309. if (inputObj.GetValue("trade_type").ToString() == "NATIVE" && !inputObj.IsSet("product_id"))
  310. {
  311. throw new WxPayException("统一支付接口中,缺少必填参数product_id!trade_type为NATIVE时,product_id为必填参数!");
  312. }
  313. //异步通知url未设置,则使用配置文件中的url
  314. //if (!inputObj.IsSet("notify_url"))
  315. //{
  316. // inputObj.SetValue("notify_url", WxPayConfig.NOTIFY_URL);//异步通知url
  317. //}
  318. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  319. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  320. inputObj.SetValue("spbill_create_ip", WxPayConfig.IP);//终端ip
  321. inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
  322. inputObj.SetValue("notify_url", WxPayConfig.NOTIFY_URL);
  323. //签名
  324. inputObj.SetValue("sign", inputObj.MakeSign());
  325. //Log.Info("sign:", inputObj.MakeSign());
  326. string xml = inputObj.ToXml();
  327. var start = DateTime.Now;
  328. NlogHelper.quartzLogger.Debug("WxPayApi", "UnfiedOrder request : " + xml);
  329. string response = HttpService.Post(xml, url, false, timeOut);
  330. NlogHelper.quartzLogger.Debug("WxPayApi", "UnfiedOrder response : " + response);
  331. var end = DateTime.Now;
  332. int timeCost = (int)((end - start).TotalMilliseconds);
  333. WxPayData result = new WxPayData();
  334. result.FromXml(response);
  335. ReportCostTime(url, timeCost, result);//测速上报
  336. return result;
  337. }
  338. /**
  339. *
  340. * 关闭订单
  341. * @param WxPayData inputObj 提交给关闭订单API的参数
  342. * @param int timeOut 接口超时时间
  343. * @throws WxPayException
  344. * @return 成功时返回,其他抛异常
  345. */
  346. public static WxPayData CloseOrder(WxPayData inputObj, int timeOut = 6)
  347. {
  348. string url = "https://api.mch.weixin.qq.com/pay/closeorder";
  349. //检测必填参数
  350. if (!inputObj.IsSet("out_trade_no"))
  351. {
  352. throw new WxPayException("关闭订单接口中,out_trade_no必填!");
  353. }
  354. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  355. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  356. inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
  357. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  358. string xml = inputObj.ToXml();
  359. var start = DateTime.Now;//请求开始时间
  360. string response = HttpService.Post(xml, url, false, timeOut);
  361. var end = DateTime.Now;
  362. int timeCost = (int)((end - start).TotalMilliseconds);
  363. WxPayData result = new WxPayData();
  364. result.FromXml(response);
  365. ReportCostTime(url, timeCost, result);//测速上报
  366. return result;
  367. }
  368. /**
  369. *
  370. * 测速上报
  371. * @param string interface_url 接口URL
  372. * @param int timeCost 接口耗时
  373. * @param WxPayData inputObj参数数组
  374. */
  375. private static void ReportCostTime(string interface_url, int timeCost, WxPayData inputObj)
  376. {
  377. //如果不需要进行上报
  378. if (WxPayConfig.REPORT_LEVENL == 0)
  379. {
  380. return;
  381. }
  382. //如果仅失败上报
  383. if (WxPayConfig.REPORT_LEVENL == 1 && inputObj.IsSet("return_code") && inputObj.GetValue("return_code").ToString() == "SUCCESS" &&
  384. inputObj.IsSet("result_code") && inputObj.GetValue("result_code").ToString() == "SUCCESS")
  385. {
  386. return;
  387. }
  388. //上报逻辑
  389. WxPayData data = new WxPayData();
  390. data.SetValue("interface_url", interface_url);
  391. data.SetValue("execute_time_", timeCost);
  392. //返回状态码
  393. if (inputObj.IsSet("return_code"))
  394. {
  395. data.SetValue("return_code", inputObj.GetValue("return_code"));
  396. }
  397. //返回信息
  398. if (inputObj.IsSet("return_msg"))
  399. {
  400. data.SetValue("return_msg", inputObj.GetValue("return_msg"));
  401. }
  402. //业务结果
  403. if (inputObj.IsSet("result_code"))
  404. {
  405. data.SetValue("result_code", inputObj.GetValue("result_code"));
  406. }
  407. //错误代码
  408. if (inputObj.IsSet("err_code"))
  409. {
  410. data.SetValue("err_code", inputObj.GetValue("err_code"));
  411. }
  412. //错误代码描述
  413. if (inputObj.IsSet("err_code_des"))
  414. {
  415. data.SetValue("err_code_des", inputObj.GetValue("err_code_des"));
  416. }
  417. //商户订单号
  418. if (inputObj.IsSet("out_trade_no"))
  419. {
  420. data.SetValue("out_trade_no", inputObj.GetValue("out_trade_no"));
  421. }
  422. //设备号
  423. if (inputObj.IsSet("device_info"))
  424. {
  425. data.SetValue("device_info", inputObj.GetValue("device_info"));
  426. }
  427. try
  428. {
  429. Report(data);
  430. }
  431. catch (WxPayException ex)
  432. {
  433. //不做任何处理
  434. }
  435. }
  436. /**
  437. *
  438. * 测速上报接口实现
  439. * @param WxPayData inputObj 提交给测速上报接口的参数
  440. * @param int timeOut 测速上报接口超时时间
  441. * @throws WxPayException
  442. * @return 成功时返回测速上报接口返回的结果,其他抛异常
  443. */
  444. public static WxPayData Report(WxPayData inputObj, int timeOut = 1)
  445. {
  446. string url = "https://api.mch.weixin.qq.com/payitil/report";
  447. //检测必填参数
  448. if (!inputObj.IsSet("interface_url"))
  449. {
  450. throw new WxPayException("接口URL,缺少必填参数interface_url!");
  451. }
  452. if (!inputObj.IsSet("return_code"))
  453. {
  454. throw new WxPayException("返回状态码,缺少必填参数return_code!");
  455. }
  456. if (!inputObj.IsSet("result_code"))
  457. {
  458. throw new WxPayException("业务结果,缺少必填参数result_code!");
  459. }
  460. if (!inputObj.IsSet("user_ip"))
  461. {
  462. throw new WxPayException("访问接口IP,缺少必填参数user_ip!");
  463. }
  464. if (!inputObj.IsSet("execute_time_"))
  465. {
  466. throw new WxPayException("接口耗时,缺少必填参数execute_time_!");
  467. }
  468. inputObj.SetValue("appid", WxPayConfig.APPID);//公众账号ID
  469. inputObj.SetValue("mch_id", WxPayConfig.MCHID);//商户号
  470. inputObj.SetValue("user_ip", WxPayConfig.IP);//终端ip
  471. inputObj.SetValue("time", DateTime.Now.ToString("yyyyMMddHHmmss"));//商户上报时间
  472. inputObj.SetValue("nonce_str", GenerateNonceStr());//随机字符串
  473. inputObj.SetValue("sign", inputObj.MakeSign());//签名
  474. string xml = inputObj.ToXml();
  475. NlogHelper.quartzLogger.Info("WxPayApi", "Report request : " + xml);
  476. string response = HttpService.Post(xml, url, false, timeOut);
  477. NlogHelper.quartzLogger.Info("WxPayApi", "Report response : " + response);
  478. WxPayData result = new WxPayData();
  479. result.FromXml(response);
  480. return result;
  481. }
  482. /**
  483. * 根据当前系统时间加随机序列来生成订单号
  484. * @return 订单号
  485. */
  486. public static string GenerateOutTradeNo()
  487. {
  488. var ran = new Random();
  489. return string.Format("{0}{1}{2}", WxPayConfig.MCHID, DateTime.Now.ToString("yyyyMMddHHmmss"), ran.Next(999));
  490. }
  491. /**
  492. * 生成时间戳,标准北京时间,时区为东八区,自1970年1月1日 0点0分0秒以来的秒数
  493. * @return 时间戳
  494. */
  495. public static string GenerateTimeStamp()
  496. {
  497. TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
  498. return Convert.ToInt64(ts.TotalSeconds).ToString();
  499. }
  500. /**
  501. * 生成随机串,随机串包含字母或数字
  502. * @return 随机串
  503. */
  504. public static string GenerateNonceStr()
  505. {
  506. return Guid.NewGuid().ToString().Replace("-", "");
  507. }
  508. }
  509. }