1  protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
 2         req.setCharacterEncoding("utf-8");
 3         resp.setCharacterEncoding("utf-8");
 4         
 5         SortedMap<String,String> map = XmlUtils.getParameterMap(req);
 6         System.out.println(XmlUtils.toXml(map));
 7         String key = SwiftpassConfig.key;
 8         String res = null;
 9         String reqUrl = SwiftpassConfig.req_url;
10         map.put("mch_id", SwiftpassConfig.mch_id);
11         map.put("op_user_id", SwiftpassConfig.mch_id);
12         map.put("nonce_str", String.valueOf(new Date().getTime()));
13         
14         Map<String,String> params = SignUtils.paraFilter(map);
15         StringBuilder buf = new StringBuilder((params.size() +1) * 10);
16         SignUtils.buildPayParams(buf,params,false);
17         String preStr = buf.toString();
18         String sign = MD5.sign(preStr, "&key=" + key, "utf-8");
19         map.put("sign", sign);
20         
21         System.out.println("reqUrl:" + reqUrl);
22         
23         CloseableHttpResponse response = null;
24         CloseableHttpClient client = null;
25         try {
26             HttpPost httpPost = new HttpPost(reqUrl);
27             StringEntity entityParams = new StringEntity(XmlUtils.parseXML(map),"utf-8");
28             httpPost.setEntity(entityParams);
29             httpPost.setHeader("Content-Type", "text/xml;charset=ISO-8859-1");
30             client = HttpClients.createDefault();
31             response = client.execute(httpPost);
32             if(response != null && response.getEntity() != null){
33                 Map<String,String> resultMap = XmlUtils.toMap(EntityUtils.toByteArray(response.getEntity()), "utf-8");
34                 res = XmlUtils.toXml(resultMap);
35                 System.out.println("请求结果：" + res);
36                 
37                 if(resultMap.containsKey("sign") && !SignUtils.checkParam(resultMap, key)){
38                     res = "验证签名不通过";
39                 }
40             }else{
41                 res = "操作失败!";
42             }
43         } catch (Exception e) {
44             e.printStackTrace();
45             res = "操作失败";
46         } finally {
47             if(response != null){
48                 response.close();
49             }
50             if(client != null){
51                 client.close();
52             }
53         }
54         if(res.startsWith("<")){
55             resp.setHeader("Content-type", "text/xml;charset=UTF-8");
56         }else{
57             resp.setHeader("Content-type", "text/html;charset=UTF-8");
58         }
59         resp.getWriter().write(res);
60     }

 1 public Pair<Boolean, Map<String,String>> doOrderRefund(Payparams paramss) throws Exception {
 2         boolean result = false;
 3         Map<String,String> resultMap = new HashMap<String, String>();
 4         HashMap<String, String> rspData = new HashMap<String,String>();
 5         logger.info("---退款开始---");
 6         String orderId = paramss.getOrderId();
 7         String merId = paramss.getMerId();
 8         String merOrderId = paramss.getMerOrderId();
 9         String txnAmt = paramss.getTxnAmt();
10         String refundOrderId = "TK" + orderId;  //退款单号 = TK + 订单号
11         
12         //组织请求报文
13         SortedMap<String,String> map = new TreeMap<String, String>();  //  标志02  下面解释
14         System.out.println(XmlUtils.toXml(map));
15         String key = SwiftpassConfig.key;
16         String res = null;
17         String reqUrl = SwiftpassConfig.req_url;
18         map.put("out_trade_no",orderId); //订单号
19         map.put("out_refund_no", refundOrderId); //商户退单号
20         map.put("service", "unified.trade.refund"); //接口类型   
21         map.put("mch_id", merId);
22         map.put("op_user_id", merId);
23         map.put("total_fee", txnAmt); //int 总金额  单位是分
24         map.put("refund_fee", txnAmt);  //int  退款金额  单位是分
25         
26         map.put("nonce_str", String.valueOf(new Date().getTime())); //随机字符串
27         
28         Map<String,String> params = SignUtils.paraFilter(map);
29         StringBuilder buf = new StringBuilder((params.size() +1) * 10);
30         SignUtils.buildPayParams(buf,params,false);
31         String preStr = buf.toString();
32         String sign = MD5.sign(preStr, "&key=" + key, "utf-8");
33         map.put("sign", sign);
34         
35         logger.info("reqUrl:" + reqUrl);
36         
37         CloseableHttpResponse response = null;
38         CloseableHttpClient client = null;
39         try {
40             HttpPost httpPost = new HttpPost(reqUrl);
41             StringEntity entityParams = new StringEntity(XmlUtils.parseXML(map),"utf-8");
42             httpPost.setEntity(entityParams);
43             httpPost.setHeader("Content-Type", "text/xml;charset=ISO-8859-1");
44             client = HttpClients.createDefault();
45             response = client.execute(httpPost);
46             if(response != null && response.getEntity() != null){
47                 resultMap = XmlUtils.toMap(EntityUtils.toByteArray(response.getEntity()), "utf-8");
48                 res = XmlUtils.toXml(resultMap);
49                 System.out.println("请求结果：" + res);
50                 
51                 if(resultMap.containsKey("sign") && !SignUtils.checkParam(resultMap, key)){
52                     res = "验证签名不通过";
53                 }
54             }else{
55                 res = "操作失败!";
56             }
57         } catch (Exception e) {
58             e.printStackTrace();
59             res = "操作失败";
60         } finally {
61             if(response != null){
62                 response.close();
63             }
64             if(client != null){
65                 client.close();
66             }
67         }
68         
69         //转换成json对象
70         JSONObject respJson = JSONObject.fromObject(resultMap); //标志 03 下面解释
71         Assert.notNull(respJson, "微信退款返回信息解析 json 字串为空");
72         //解析json
73         Assert.notNull(respJson.get("result_code"), "微信退款返回码异常");
74         String respCode = respJson.getString("result_code");
75         
76         PayRes payRes = PayReturnCode.getPayRes(Contents.WX_CODE, respCode);
77         logger.info("退款结果，返回码：" + respCode + "， 退款信息：" + payRes.getMsg());
78         
79         if(respCode.equals("SUCCESS")){
80             result=true;
81         }
82         
91         return new Pair<Boolean, Map<String,String>>(result, rspData);
92     }