服务端代码：
package com.wlsq.kso.web;import java.io.ByteArrayOutputStream;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.math.BigDecimal;import java.util.ArrayList;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;import java.util.Map.Entry;import java.util.Random;import java.util.Set;import java.util.SortedMap;import java.util.TreeMap;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.cxf.common.util.StringUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.sPRingframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.ResponseBody;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;import com.wlsq.kso.annotation.MethodAction;import com.wlsq.kso.entity.ResultObject;import com.wlsq.kso.service.AccountWalletService;import com.wlsq.kso.util.HttpUtil;import com.wlsq.kso.util.Mymd5Util;import com.wlsq.kso.util.xmltoJsonUtil;/** * 微信支付接口Controller * * @author zzg * @date 2017-02-18 */@Controller@RequestMapping(value = "/WeiXinPay")public class AccountWeiXinController { private static final Logger LOG = LoggerFactory .getLogger(AccountWeiXinController.class); @Autowired private AccountWalletService accountWalletService; // 微信统一下单接口路径 private static final String UNIFORMORDER = "https://api.mch.weixin.QQ.com/pay/unifiedorder"; // 微信商户号：***** private static final String MCHID = "********"; // 微信回调地址 private static final String NOTIFYURL = "*********"; // 微信交易类型 private static final String TRADETYPE = "APP"; //微信APIKEY private static final String APIKEY ="************"; /** * 微信统一下单 * * @return * @throws UnsupportedEncodingException */ @MethodAction(optionDescription = "微信统一下单", methodName = "/WeiXinPay/uniformorder") @RequestMapping(value = "/uniformorder", method = RequestMethod.POST, produces = "text/html;charset=UTF-8") @ResponseBody public String uniformorder(HttpServletRequest request) throws UnsupportedEncodingException { ResultObject result = new ResultObject();// 返回数据结果集合 request.setCharacterEncoding("UTF-8"); try { //APP ID String appid = request.getParameter("appid") == null ? null : request.getParameter("appid").trim().toUpperCase(); // 用户访问令牌 String accessToken = request.getParameter("accessToken") == null ? null : request.getParameter("accessToken").trim(); // 订单编号 String orderNum = request.getParameter("orderNum") == null ? null : request.getParameter("orderNum").trim();// 订单编号 // 消费金额 String money = request.getParameter("money") == null ? null : request.getParameter("money").trim();// 消费金额 // 消费主题 String subject = request.getParameter("subject") == null ? null : request.getParameter("subject").trim();// 消费主体 if(StringUtils.isEmpty(appid)){ result.setMsg("参数：appid 为空"); result.setResultCode("-1"); return JSON.toJSONString(result); } if(StringUtils.isEmpty(accessToken)){ result.setMsg("参数：accessToken 为空"); result.setResultCode("-1"); return JSON.toJSONString(result); } if(StringUtils.isEmpty(orderNum)){ result.setMsg("参数：orderNum 为空"); result.setResultCode("-1"); return JSON.toJSONString(result); } if(StringUtils.isEmpty(money)){ result.setMsg("参数：money 为空"); result.setResultCode("-1"); return JSON.toJSONString(result); } if(StringUtils.isEmpty(subject)){ result.setMsg("参数：subject 为空"); result.setResultCode("-1"); return JSON.toJSONString(result); } SortedMap<Object,Object> parame = new TreeMap<Object,Object>(); parame.put("appid", *********"); parame.put("mch_id", MCHID);// 商家账号。 String randomStr = getRandomString(18).toUpperCase(); parame.put("nonce_str", randomStr);// 随机字符串 parame.put("body", subject);// 商品描述 parame.put("out_trade_no", orderNum);// 商户订单编号 //支付金额 parame.put("total_fee", BigDecimal.valueOf(Long.parseLong(money)).multiply(new BigDecimal(100)).toString());// 消费金额 String ip = getIpAddr(request); if (StringUtils.isEmpty(ip)) { parame.put("spbill_create_ip", "127.0.0.1");// 消费IP地址 } else { parame.put("spbill_create_ip", ip);// 消费IP地址 } parame.put("notify_url", NOTIFYURL);// 回调地址 parame.put("trade_type", TRADETYPE);// 交易类型APP String sign =createSign(parame); parame.put("sign", sign);// 数字签证 String xml = getRequestXML(parame); String content = HttpUtil.sendPost(UNIFORMORDER, xml); System.out.println(content); JSONObject jsonObject = JSONObject.parSEObject(XmltoJsonUtil.xml2JSON(content)) ; JSONObject result_xml = jsonObject.getJSONObject("xml"); JSONArray result_code = result_xml.getJSONArray("result_code"); String code = (String)result_code.get(0); List<String> data = new ArrayList<String>(); if(code.equalsIgnoreCase("FAIL")){ result.setMsg("微信统一订单下单失败"); result.setResultCode("-1"); result.setData(data); }else if(code.equalsIgnoreCase("SUCCESS")){ JSONArray prepay_id = result_xml.getJSONArray("prepay_id"); String prepayId = (String)prepay_id.get(0); data.add(prepayId); result.setMsg("微信统一订单下单成功"); result.setResultCode("1"); result.setData(data); } return JSON.toJSONString(result); } catch (Exception e) { result.setMsg(e.getMessage()); result.setResultCode("-1"); return JSON.toJSONString(result); } } /** * 微信订单回调接口 * * @return */ @MethodAction(optionDescription = "微信回掉接口", methodName = "/WeiXinPay/notify") @RequestMapping(value = "/notify", method = RequestMethod.POST, produces = "text/html;charset=UTF-8") @ResponseBody public void notify(HttpServletRequest request,HttpServletResponse response){ ResultObject result = new ResultObject();// 返回数据结果集合 try{ request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); response.setContentType("text/html;charset=UTF-8"); response.setHeader("Access-Control-Allow-Origin", "*"); InputStream in=request.getInputStream(); ByteArrayOutputStream out=new ByteArrayOutputStream(); byte[] buffer =new byte[1024]; int len=0; while((len=in.read(buffer))!=-1){ out.write(buffer, 0, len); } out.close(); in.close(); String content=new String(out.toByteArray(),"utf-8");//xml数据 JSONObject jsonObject = JSONObject.parseObject(XmltoJsonUtil.xml2JSON(content)) ; JSONObject result_xml = jsonObject.getJSONObject("xml"); JSONArray result_code = result_xml.getJSONArray("result_code"); String code = (String)result_code.get(0); if(code.equalsIgnoreCase("FAIL")){ result.setMsg("微信统一订单下单失败"); result.setResultCode("-1"); response.getWriter().write(setXml("SUCCESS", "OK")); }else if(code.equalsIgnoreCase("SUCCESS")){ result.setMsg("微信统一订单下单成功"); result.setResultCode("1"); JSONArray out_trade_no = result_xml.getJSONArray("out_trade_no");//订单编号 Map<String,Object> map = new HashMap<String,Object>(); map.put("orderNum", (String)out_trade_no.get(0)); map.put("consumState", 1); accountWalletService.updateAccountOrderState(map); response.getWriter().write(setXml("SUCCESS", "OK")); } }catch(Exception e){ result.setMsg(e.getMessage()); result.setResultCode("-1"); return; } } // 返回用IP地址 public String getIpAddr(HttpServletRequest request) { String ip = request.getHeader(" x-forwarded-for "); if (ip == null || ip.length() == 0 || " unknown ".equalsIgnoreCase(ip)) { ip = request.getHeader(" Proxy-Client-IP "); } if (ip == null || ip.length() == 0 || " unknown ".equalsIgnoreCase(ip)) { ip = request.getHeader(" WL-Proxy-Client-IP "); } if (ip == null || ip.length() == 0 || " unknown ".equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); } return ip; } // 随机字符串生成 public static String getRandomString(int length) { // length表示生成字符串的长度 String base = "abcdefghijklmnopqrstuvwxyz0123456789"; Random random = new Random(); StringBuffer sb = new StringBuffer(); for (int i = 0; i < length; i++) { int number = random.nextInt(base.length()); sb.append(base.charAt(number)); } return sb.toString(); } //拼接xml 请求路径 public static String getRequestXML(SortedMap<Object, Object> parame){ StringBuffer buffer = new StringBuffer(); buffer.append("<xml>"); Set set = parame.entrySet(); Iterator iterator = set.iterator(); while(iterator.hasNext()){ Map.Entry entry = (Map.Entry) iterator.next(); String key = (String)entry.getKey(); String value = (String)entry.getValue(); //过滤相关字段sign if("sign".equalsIgnoreCase(key)){ buffer.append("<"+key+">"+"<![CDATA["+value+"]]>"+"</"+key+">"); }else{ buffer.append("<"+key+">"+value+"</"+key+">"); } } buffer.append("</xml>"); return buffer.toString(); } //创建md5 数字签证 public static String createSign(SortedMap<Object, Object> parame){ StringBuffer buffer = new StringBuffer(); Set set = parame.entrySet(); Iterator iterator = set.iterator(); while(iterator.hasNext()){ Map.Entry entry = (Map.Entry) iterator.next(); String key = (String)entry.getKey(); Object value = (String)entry.getValue(); if(null != value && !"".equals(value) && !"sign".equals(key) && !"key".equals(key)){ buffer.append(key+"="+value+"&"); } } buffer.append("key="+APIKEY); String sign =MyMd5Util.md5(buffer.toString()).toUpperCase(); System.out.println("签名参数："+sign); return sign; } //返回微信服务 public static String setXml(String return_code,String return_msg){ return "<xml><return_code><![CDATA["+return_code+"]]></return_code><return_msg><![CDATA["+return_msg+"]]></return_msg></xml>"; } //模拟微信回调接口 public static String callbakcXml(String orderNum){ return "<xml><appid><![CDATA[wx2421b1c4370ec43b]]></appid><attach><![CDATA[支付测试]]></attach><bank_type><![CDATA[CFT]]></bank_type><fee_type><![CDATA[CNY]]></fee_type> <is_subscribe><![CDATA[Y]]></is_subscribe><mch_id><![CDATA[10000100]]></mch_id><nonce_str><![CDATA[5d2b6c2a8db53831f7eda20af46e531c]]></nonce_str><openid><![CDATA[oUpF8uMEb4qRXf22hE3X68TekukE]]></openid> <out_trade_no><![CDATA["+orderNum+"]]></out_trade_no> <result_code><![CDATA[SUCCESS]]></result_code> <return_code><![CDATA[SUCCESS]]></return_code><sign><![CDATA[B552ED6B279343CB493C5DD0D78AB241]]></sign><sub_mch_id><![CDATA[10000100]]></sub_mch_id> <time_end><![CDATA[20140903131540]]></time_end><total_fee>1</total_fee><trade_type><![CDATA[JSAPI]]></trade_type><transaction_id><![CDATA[1004400740201409030005092168]]></transaction_id></xml>"; } public static void main(String[] args) throws Exception{ String str = HttpUtil.sendPost("http://localhost:8080/WlsqWS/WeiXinPay/notify", callbakcXml("a313a907f72f4f70b53a46b9773a9d42")); System.out.println("result :"+str);// SortedMap<Object,Object> parame = new TreeMap<Object,Object>();// parame.put("appid", "wxdf26629c37f5b7c1");// parame.put("mch_id", MCHID);// String randomStr = getRandomString(18).toUpperCase();// parame.put("nonce_str", randomStr);// String subject = "余额充值";// parame.put("body", subject);// String orderNum = "3a6154e2a662407c8223971284c372a7";// parame.put("out_trade_no", orderNum);// String money ="1";// parame.put("total_fee", money);// String ip ="127.0.0.1";// parame.put("spbill_create_ip", ip);// parame.put("notify_url", NOTIFYURL);// parame.put("trade_type", TRADETYPE);// String sign =createSign(parame); // parame.put("sign", sign);// 数字签证// // String xml = getRequestXML(parame); //// String content = HttpUtil.sendPost(UNIFORMORDER, xml);// // //成功代码// String result = XmltoJsonUtil.xml2JSON(content); // JSONObject jsonObject = JSONObject.parseObject(result) ; // JSONObject results = jsonObject.getJSONObject("xml");// JSONArray array = results.getJSONArray("result_code");// String code = (String)array.get(0);// System.out.println(results.toString());// System.out.println(code); //失败代码// String result = XmltoJsonUtil.xml2JSON(content); // JSONObject jsonObject = JSONObject.parseObject(result) ; // System.out.println(jsonObject.toString()); }}java 工具类:HttpUtil 类
package com.wlsq.kso.util;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.PrintStream;import java.io.PrintWriter;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLConnection;import java.util.Map;public class HttpUtil{ public static final String POST = "POST"; public static final String GET = "GET"; public static String post(String uriString, Map<String, String> params) throws Exception { URL url = new URL(uriString); HttpURLConnection con = (HttpURLConnection)url.openConnection(); con.setDoOutput(true); con.setDoInput(true); con.setRequestMethod(RequstMethod.POST.value()); con.setRequestProperty(" Content-Type ", " application/x-www-form-urlencoded "); con.setUseCaches(false); con.setInstanceFollowRedirects(true); if (params != null) { StringBuffer sb = new StringBuffer(); String data = null; byte[] b = null; for (String key : params.keySet()) { sb.append(key).append('=').append((String)params.get(key)).append('&'); } data = sb.substring(0, sb.length() - 1); b = data.getBytes("UTF-8"); OutputStream out = con.getOutputStream(); out.write(b); out.flush(); out.close(); } InputStream in = con.getInputStream(); String responseBody = FileUtil.readAll(in); return responseBody; } public static String post(String uriString, Map<String, String> params, String authorization) throws Exception { URL url = new URL(uriString); HttpURLConnection con = (HttpURLConnection)url.openConnection(); con.setDoOutput(true); con.setDoInput(true); con.setRequestMethod(RequstMethod.POST.value()); con.setRequestProperty("Content-Type", "application/json"); con.setRequestProperty("Authorization", authorization); con.setUseCaches(false); con.setInstanceFollowRedirects(true); if (params != null) { StringBuffer sb = new StringBuffer(); String data = null; byte[] b = null; for (String key : params.keySet()) { sb.append(key).append('=').append((String)params.get(key)).append('&'); } data = sb.substring(0, sb.length() - 1); b = data.getBytes("UTF-8"); OutputStream out = con.getOutputStream(); out.write(b); out.flush(); out.close(); } InputStream in = con.getInputStream(); String responseBody = FileUtil.readAll(in); return responseBody; } public static String jpost(String uriString, Map<String, String> params) throws Exception { URL url = new URL(uriString); HttpURLConnection con = (HttpURLConnection)url.openConnection(); con.setDoOutput(true); con.setDoInput(true); con.setRequestMethod(RequstMethod.POST.value()); con.setRequestProperty("Content-Type", "application/json"); con.setUseCaches(false); con.setInstanceFollowRedirects(true); if (params != null) { StringBuffer sb = new StringBuffer(); String data = null; byte[] b = null; for (String key : params.keySet()) { sb.append(key).append('=').append((String)params.get(key)).append('&'); } data = sb.substring(0, sb.length() - 1); b = data.getBytes("UTF-8"); OutputStream out = con.getOutputStream(); out.write(b); out.flush(); out.close(); } InputStream in = con.getInputStream(); String responseBody = FileUtil.readAll(in); return responseBody; } public static String sendGet(String url, String param) { String result = ""; BufferedReader in = null; try { String urlNameString = url + "?" + param; URL realUrl = new URL(urlNameString); URLConnection connection = realUrl.openConnection(); connection.setRequestProperty("accept", "*/*"); connection.setRequestProperty("Content-Type", "application/json"); connection.setRequestProperty("connection", "Keep-Alive"); connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); connection.connect(); Map map = connection.getHeaderFields();// for (String key : map.keySet()) {// System.out.println(key + "--->" + map.get(key));// } in = new BufferedReader(new InputStreamReader( connection.getInputStream(), "utf-8")); String line; while ((line = in.readLine()) != null) { //String line; result = result + line; } } catch (Exception e) { System.out.println("����GET��������쳣��" + e); e.printStackTrace(); try { if (in != null) in.close(); } catch (Exception e2) { e2.printStackTrace(); } } finally { try { if (in != null) in.close(); } catch (Exception e2) { e2.printStackTrace(); } } return result; } public static String sendPost(String url, String param) { PrintWriter out = null; BufferedReader in = null; String result = ""; try { URL realUrl = new URL(url); URLConnection conn = realUrl.openConnection(); conn.setRequestProperty("Content-Type", "application/xml"); conn.setDoOutput(true); conn.setDoInput(true); out = new PrintWriter(conn.getOutputStream()); out.print(param); out.flush(); in = new BufferedReader( new InputStreamReader(conn.getInputStream())); String line; while ((line = in.readLine()) != null) { //String line; result = result + line; } } catch (Exception e) { System.out.println("���� POST ��������쳣��" + e); e.printStackTrace(); try { if (out != null) { out.close(); } if (in != null) in.close(); } catch (IOException ex) { ex.printStackTrace(); } } finally { try { if (out != null) { out.close(); } if (in != null) in.close(); } catch (IOException ex) { ex.printStackTrace(); } } return result; } public static enum RequstMethod { GET("GET"), POST("POST"); private String value; private RequstMethod(String value) { this.value = value; } public String value() { return this.value; } }}XmltoJsonUtil 类package com.wlsq.kso.util;import java.io.ByteArrayInputStream;import java.io.InputStream;import java.util.HashMap;import java.util.LinkedList;import java.util.List;import java.util.Map;import org.jdom.Document; import org.jdom.Element; import org.jdom.input.SAXBuilder; import com.alibaba.fastjson.JSONObject;public class XmltoJsonUtil { public static String xml2JSON(String xml) { JSONObject obj = new JSONObject(); try { InputStream is = new ByteArrayInputStream(xml.getBytes("utf-8")); SAXBuilder sb = new SAXBuilder(); Document doc = sb.build(is); Element root = doc.getRootElement(); obj.put(root.getName(), iterateElement(root)); return obj.toString(); } catch (Exception e) { e.printStackTrace(); return null; } } private static Map iterateElement(Element element) { List jiedian = element.getChildren(); Element et = null; Map obj = new HashMap(); List list = null; for (int i = 0; i < jiedian.size(); i++) { list = new LinkedList(); et = (Element) jiedian.get(i); if (et.getTextTrim().equals("")) { if (et.getChildren().size() == 0) continue; if (obj.containsKey(et.getName())) { list = (List) obj.get(et.getName()); } list.add(iterateElement(et)); obj.put(et.getName(), list); } else { if (obj.containsKey(et.getName())) { list = (List) obj.get(et.getName()); } list.add(et.getTextTrim()); obj.put(et.getName(), list); } } return obj; } }MyMd5Util 类package com.wlsq.kso.util;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;/** * @author fengcai ouyang * @version V1.0 * @Description: * @date 2016/7/23 18:48 * @Update by: ${todo} */public class MyMd5Util { private static MessageDigest sMd5MessageDigest; private static StringBuilder sStringBuilder; private MyMd5Util() { } public static String md5(String s) { sMd5MessageDigest.reset(); sMd5MessageDigest.update(s.getBytes()); byte[] digest = sMd5MessageDigest.digest(); sStringBuilder.setLength(0); for (int i = 0; i < digest.length; ++i) { int b = digest[i] & 255; if (b < 16) { sStringBuilder.append('0'); } sStringBuilder.append(Integer.toHexString(b)); } return sStringBuilder.toString().toUpperCase(); } static { try { sMd5MessageDigest = MessageDigest.getInstance("MD5"); } catch (NoSuchAlgorithmException var1) { } sStringBuilder = new StringBuilder(); }}
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