WechatPay.java 11 KB

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  1. package com.nuliji.tools.pay;
  2. import com.alibaba.fastjson.JSON;
  3. import com.nuliji.tools.pay.common.PayInfo;
  4. import com.nuliji.tools.pay.common.ResultInfo;
  5. import com.tencent.WXPay;
  6. import com.tencent.common.Signature;
  7. import com.tencent.common.Util;
  8. import com.tencent.protocol.ResData;
  9. import com.tencent.protocol.pay_protocol.*;
  10. import com.tencent.protocol.pay_query_protocol.ScanPayQueryReqData;
  11. import com.tencent.protocol.pay_query_protocol.ScanPayQueryResData;
  12. import com.tencent.service.ScanPayQueryService;
  13. import com.tencent.service.UnifiedOrderService;
  14. import org.slf4j.Logger;
  15. import org.slf4j.LoggerFactory;
  16. import javax.servlet.http.HttpServletRequest;
  17. import java.io.BufferedReader;
  18. import java.io.InputStream;
  19. import java.math.BigDecimal;
  20. import java.util.Map;
  21. import java.util.Objects;
  22. /**
  23. * Created by gaojie on 2017/5/10.
  24. */
  25. public class WechatPay implements PaySource {
  26. //添加一个日志器
  27. private static final Logger logger = LoggerFactory.getLogger(WechatPay.class);
  28. private String appId = "";
  29. private String appKey = "";
  30. private String pid = "";
  31. public WechatPay(String appId, String appKey, String pid){
  32. this.appId = appId;
  33. this.appKey = appKey;
  34. this.pid = pid;
  35. WXPay.initSDKConfiguration(appKey,
  36. appId,
  37. pid,
  38. "","",""
  39. );
  40. }
  41. @Override
  42. public ResultInfo notifyTrade(HttpServletRequest request) throws Exception {
  43. InputStream is = request.getInputStream();
  44. BufferedReader br = request.getReader();
  45. String str;
  46. StringBuilder content = new StringBuilder();
  47. while((str = br.readLine()) != null){
  48. content.append(str);
  49. }
  50. logger.debug("notify:"+content);
  51. // 支付完成才会发送异步通知
  52. NoticeResData noticeResData = (NoticeResData) Util.getObjectFromXML(content.toString(), NoticeResData.class);
  53. String sign = noticeResData.getSign();
  54. noticeResData.setSign("");
  55. boolean flag = checkSign(noticeResData.toMap(), sign);
  56. ResultInfo info = new ResultInfo();
  57. info.setResponse(noticeResData);
  58. if(!flag){
  59. info.setStatus("system");
  60. info.setMessage("签名校验错误");
  61. return info;
  62. }
  63. info = parseResult(noticeResData, "success");
  64. info.setMessage("<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>");
  65. return info;
  66. }
  67. @Override
  68. public ResultInfo returnTrade(ResultInfo info) {
  69. String response = info.getResponse().toString();
  70. if(response.indexOf("get_brand_wcpay_request") == 0){
  71. // wap返回
  72. switch(response){
  73. case "get_brand_wcpay_request:ok":
  74. info.setStatus("wait");
  75. break;
  76. case "get_brand_wcpay_request:fail":
  77. info.setStatus("system");
  78. break;
  79. case "get_brand_wcpay_request:cancel":
  80. info.setStatus("system");
  81. break;
  82. default:
  83. info.setStatus("system");
  84. }
  85. }else{
  86. // app返回
  87. switch(response){
  88. case "0":
  89. info.setStatus("wait");
  90. break;
  91. case "-1":
  92. info.setStatus("system");
  93. break;
  94. case "-2":
  95. info.setStatus("system");
  96. break;
  97. default:
  98. info.setStatus("system");
  99. }
  100. }
  101. return info;
  102. }
  103. @Override
  104. public boolean validTrade(ResultInfo info, PayInfo payInfo) {
  105. if(!info.getAppId().equals(payInfo.getAppId())) return false;
  106. if(!info.getPid().equals(payInfo.getPid())) return false;
  107. return true;
  108. }
  109. public PayInfo appTrade(String payNo, String pid, BigDecimal money, String subject, String body, String notifyUrl, String ip) throws Exception{
  110. UnifiedOrderReqData unifiedOrderReqData = new UnifiedOrderReqData(body, "", payNo, (int)(money.floatValue() * 100), "", ip, "", "", "", notifyUrl, "APP");
  111. //接受API返回
  112. String payServiceResponseString;
  113. UnifiedOrderService unifiedOrderService = new UnifiedOrderService();
  114. payServiceResponseString = unifiedOrderService.request(unifiedOrderReqData);
  115. //将从API返回的XML数据映射到Java对象
  116. UnifiedOrderResData unifiedOrderResData = (UnifiedOrderResData) Util.getObjectFromXML(payServiceResponseString, UnifiedOrderResData.class);
  117. logger.debug(JSON.toJSONString(unifiedOrderResData));
  118. PayInfo payInfo = new PayInfo();
  119. payInfo.setPid(pid);
  120. payInfo.setAppId(appId);
  121. payInfo.setMoney(money);
  122. String prepayid = unifiedOrderResData.getPrepay_id();
  123. if(prepayid!=null){
  124. AppReqData appReqData = new AppReqData(prepayid);
  125. payInfo.setRequest(appReqData);
  126. payInfo.setStatus("ok");
  127. }else{
  128. payInfo.setStatus("fail");
  129. payInfo.setRequest(unifiedOrderResData);
  130. }
  131. return payInfo;
  132. }
  133. public PayInfo preTrade(String payNo, String pid, BigDecimal money, String subject, String body, String notifyUrl, String ip) throws Exception{
  134. UnifiedOrderReqData unifiedOrderReqData = new UnifiedOrderReqData(body, "", payNo, (int)(money.floatValue() * 100), "", ip, "", "", "", notifyUrl, "NATIVE");
  135. //接受API返回
  136. String payServiceResponseString;
  137. UnifiedOrderService unifiedOrderService = new UnifiedOrderService();
  138. payServiceResponseString = unifiedOrderService.request(unifiedOrderReqData);
  139. //将从API返回的XML数据映射到Java对象
  140. UnifiedOrderResData unifiedOrderResData = (UnifiedOrderResData) Util.getObjectFromXML(payServiceResponseString, UnifiedOrderResData.class);
  141. logger.debug(JSON.toJSONString(unifiedOrderResData));
  142. PayInfo payInfo = new PayInfo();
  143. payInfo.setPid(pid);
  144. payInfo.setAppId(appId);
  145. payInfo.setMoney(money);
  146. String code_url = unifiedOrderResData.getCode_url();
  147. if(code_url!=null){
  148. payInfo.setRequest(code_url);
  149. payInfo.setStatus("ok");
  150. }else{
  151. payInfo.setStatus("fail");
  152. payInfo.setRequest(unifiedOrderResData);
  153. }
  154. return payInfo;
  155. }
  156. public PayInfo jsTrade(String payNo, String pid, BigDecimal money, String subject, String body, String notifyUrl, String ip) throws Exception{
  157. UnifiedOrderReqData unifiedOrderReqData = new UnifiedOrderReqData(body, "", payNo, (int)(money.floatValue() * 100), "", ip, "", "", "", notifyUrl, "JSAPI");
  158. //接受API返回
  159. String payServiceResponseString;
  160. UnifiedOrderService unifiedOrderService = new UnifiedOrderService();
  161. payServiceResponseString = unifiedOrderService.request(unifiedOrderReqData);
  162. //将从API返回的XML数据映射到Java对象
  163. UnifiedOrderResData unifiedOrderResData = (UnifiedOrderResData) Util.getObjectFromXML(payServiceResponseString, UnifiedOrderResData.class);
  164. logger.debug(JSON.toJSONString(unifiedOrderResData));
  165. PayInfo payInfo = new PayInfo();
  166. payInfo.setPid(pid);
  167. payInfo.setAppId(appId);
  168. payInfo.setMoney(money);
  169. String prepayid = unifiedOrderResData.getPrepay_id();
  170. if(prepayid!=null){
  171. JsReqData jsReqData = new JsReqData(prepayid);
  172. payInfo.setRequest(jsReqData);
  173. payInfo.setStatus("ok");
  174. }else{
  175. payInfo.setStatus("fail");
  176. payInfo.setRequest(unifiedOrderResData);
  177. }
  178. return payInfo;
  179. }
  180. @Override
  181. public ResultInfo getTrade(String payNo, String transactionNo, String pid) throws Exception{
  182. String payQueryServiceResponseString;
  183. ScanPayQueryService scanPayQueryService = new ScanPayQueryService();
  184. ScanPayQueryReqData scanPayQueryReqData = new ScanPayQueryReqData("", payNo);
  185. payQueryServiceResponseString = scanPayQueryService.request(scanPayQueryReqData);
  186. logger.debug("getTrade:"+payQueryServiceResponseString);
  187. //将从API返回的XML数据映射到Java对象
  188. ScanPayQueryResData scanPayQueryResData = (ScanPayQueryResData) Util.getObjectFromXML(payQueryServiceResponseString, ScanPayQueryResData.class);
  189. ResultInfo info = parseResult(scanPayQueryResData, "ok");
  190. if(info.getStatus().equals("ok")){
  191. /*
  192. SUCCESS—支付成功
  193. REFUND—转入退款
  194. NOTPAY—未支付
  195. CLOSED—已关闭
  196. REVOKED—已撤销(刷卡支付)
  197. USERPAYING--用户支付中
  198. PAYERROR--支付失败(其他原因,如银行返回失败)
  199. */
  200. switch(scanPayQueryResData.getTrade_state()){
  201. case "SUCCESS":
  202. info.setStatus("success");
  203. break;
  204. case "REFUND":
  205. info.setStatus("refund");
  206. break;
  207. case "NOTPAY":
  208. info.setStatus("wait");
  209. break;
  210. case "REVOKED":
  211. info.setStatus("cancel");
  212. break;
  213. case "USERPAYING":
  214. info.setStatus("wait");
  215. break;
  216. case "PAYERROR":
  217. info.setStatus("error");
  218. break;
  219. }
  220. }
  221. return info;
  222. }
  223. private ResultInfo parseResult(ResData response, String status){
  224. ResultInfo info = new ResultInfo();
  225. info.setAppId(response.getAppid());
  226. info.setPid(response.getMch_id());
  227. info.setResponse(response);
  228. info.setNo(response.getOut_trade_no());
  229. info.setMoney(BigDecimal.valueOf(Float.valueOf(response.getTotal_fee())/100));
  230. info.setOpenId(response.getOpenid());
  231. info.setTransaction_no(response.getTransaction_id());
  232. if (response == null || response.getReturn_code() == null) {
  233. return formatInfo(info, "system", "请求错误");
  234. }
  235. if (response.getReturn_code().equals("FAIL")) {
  236. return formatInfo(info, "system", response.getReturn_msg());
  237. } else {
  238. if (response.getResult_code().equals("SUCCESS")) {//业务层成功
  239. return formatInfo(info, status, "");
  240. } else {
  241. return formatInfo(info, "error", response.getErr_code_des());
  242. }
  243. }
  244. }
  245. private ResultInfo formatInfo(ResultInfo info, String status, String message){
  246. info.setStatus(status);
  247. info.setMessage(message);
  248. return info;
  249. }
  250. private boolean checkSign(Map param, String sign){
  251. String signNow = Signature.getSign(param);
  252. logger.debug(sign);
  253. return Objects.equals(signNow.trim(), sign.trim());
  254. }
  255. }