Java根据不同商户动态生成微信付款码（模式二），包括扫码支付成功页面跳转后台思路

一、生成动态二维码二、微信自动回调接口三、扫码支付成功之后商户系统实现页面跳转涉及到的实体类与工具类

一、生成动态二维码

接受前台传来的必要参数，返回包括二维码短连接以及微信相关参数的实体

Controller

@RequestMapping("/getPayWxqrcode")@ResponseBodypublic URLCode wxqrcode(@RequestBody WxCusInfoBean wxCusInfoBean, HttpServletRequest request, HttpServletResponse response, HttpSession session) throws Exception{BigDecimal fen = wxCusInfoBean.getPayAmount().multiply(new BigDecimal(100));fen = fen.setScale(0, BigDecimal.ROUND_HALF_UP);String order_price = fen.toString();// 微信支交易订单号，不能重复String out_trade_no = wxCusInfoBean.getOrderId();// 组装参数Map<String, Object> param = new HashMap<>();param.put("order_price", order_price);param.put("body", wxCusInfoBean.getBody());param.put("out_trade_no", out_trade_no);param.put("attach", wxCusInfoBean.getOrderId());// 生成微信支付二维码链接Map<String, String> result = phoneOrderService.doUnifiedOrder(wxCusInfoBean,param, request);URLCode urlCode = new URLCode();if ("FAIL".equals(result.get("return_code"))){urlCode.setErorr("eroor");return urlCode;//session.setAttribute("create_wx_qrcode_error_msg", result.get("return_msg"));} else {String urlcode = result.get("code_url");String prepay_id = result.get("prepay_id");urlCode.setPrepayId(prepay_id);urlCode.setUrlCode(urlcode);urlCode.setNonce_str(result.get("nonce_str"));urlCode.setSign(result.get("sign"));return urlCode;// 生成微信二维码}}

Service

@Overridepublic Map<String, String> doUnifiedOrder(WxCusInfoBean wxCusInfoBean, Map<String, Object> param, HttpServletRequest request) {String appid = wxCusInfoBean.getAppId();String mch_id = wxCusInfoBean.getMchId();String key = wxCusInfoBean.getApiKey();String trade_type = "NATIVE";String spbill_create_ip = PayCommonUtil.getIpAddress(request);// 获取发起电脑 ip//String notify_url = PayConfigUtil.NOTIFY_URL+"?key="+wxCusInfoBean.getApiKey(); // 回调接口String notify_url = PayConfigUtil.NOTIFY_URL;String currTime = PayCommonUtil.getCurrTime();String strTime = currTime.substring(8, currTime.length());String strRandom = PayCommonUtil.buildRandom(4) + "";String nonce_str = strTime + strRandom; // 随机字符串String order_price = (String) param.get("order_price"); // 价格 注意：价格的单位是分String body = (String) param.get("body"); // 商品名称String out_trade_no = (String) param.get("out_trade_no"); // 订单号String attach = (String) param.get("attach"); // 附加参数,这里传的是我们的订单号orderIdSortedMap<Object, Object> packageParams = new TreeMap<>();packageParams.put("appid", appid);packageParams.put("mch_id", mch_id);packageParams.put("nonce_str", nonce_str);packageParams.put("body", body);packageParams.put("out_trade_no", out_trade_no);packageParams.put("total_fee", order_price);packageParams.put("spbill_create_ip", spbill_create_ip);packageParams.put("notify_url", notify_url);packageParams.put("trade_type", trade_type);packageParams.put("attach", attach);// 签名String sign = PayCommonUtil.createSign("UTF-8", packageParams, key);packageParams.put("sign", sign);// 微信支付接口传输数据使用xml方式进行的，此处将参数装换为xml// map --> xmlString requestXML = PayCommonUtil.getRequestXml(packageParams);System.out.println("---------- Request XML: " + requestXML);String resXml = HttpUtil.postData(PayConfigUtil.UFDODER_URL, requestXML);System.out.println("---------- Response XML: " + resXml);// xml --> maptry {return XMLUtil4jdom.doXMLParse(resXml);} catch (JDOMException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}return null;}

二、微信自动回调接口

生成二维码之后，如果有人扫描二维码并支付成功，微信会回调下面的接口，当然回调地址需要自己配置，后面代码会展示（注意：回调地址必须在公网可访问），此回调接口可用来处理自己的业务逻辑，此接口我用来存储微信方生成的此笔交易订单号，为后面页面跳转做铺垫

Controller

@RequestMapping("/wxnotify")@ResponseBodypublic String wxnotify(HttpServletRequest request, HttpServletResponse response) throws Exception{String te = t1.get();//读取参数String str = "";InputStream inputStream ;StringBuffer sb = new StringBuffer();inputStream = request.getInputStream();String s ;BufferedReader in = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));while ((s = in.readLine()) != null){sb.append(s);}in.close();inputStream.close();//解析xml成mapMap<String, String> m = new HashMap<String, String>();m = XMLUtil4jdom.doXMLParse(sb.toString());//过滤空 设置 TreeMapSortedMap<Object,Object> packageParams = new TreeMap<Object,Object>();Iterator it = m.keySet().iterator();while (it.hasNext()) {String parameter = (String) it.next();String parameterValue = m.get(parameter);String v = "";if(null != parameterValue) {v = parameterValue.trim();}packageParams.put(parameter, v);}//此处根据AppID换取商户的APIKey（已在数据库里存好），业务逻辑自己写即可String appid = (String)packageParams.get("appid");String key = phoneOrderService.getKeyByMchId(appid);System.out.println(key);//判断签名是否正确if(PayCommonUtil.isTenpaySign("UTF-8", packageParams,key)) {//------------------------------//处理业务开始//------------------------------String resXml = "";if("SUCCESS".equals((String)packageParams.get("result_code"))){// 这里是支付成功//执行自己的业务逻辑String mch_id = (String)packageParams.get("mch_id");String openid = (String)packageParams.get("openid");String is_subscribe = (String)packageParams.get("is_subscribe");String out_trade_no = (String)packageParams.get("out_trade_no");BigDecimal total_fee = new BigDecimal((String)packageParams.get("total_fee"));String transaction_id = (String)packageParams.get("transaction_id");String sydid = phoneOrderService.getSydIdByOid(out_trade_no);System.out.println("sydid+"+sydid);String hyjlId = phoneOrderService.getHyjlIdByOid(out_trade_no);System.out.println("hyjlid+"+hyjlId);if (sydid != null && !"".equals(sydid)) {System.out.println("执行修改收银单方法");phoneOrderService.updateSydTranId(transaction_id,out_trade_no);} else if(hyjlId != null && !"".equals(hyjlId)) {phoneOrderService.updateHyjlTranId(transaction_id,out_trade_no);}System.out.println("微信订单号="+transaction_id);//通知微信.异步确认成功.必写.不然会一直通知后台.八次之后就认为交易失败了.resXml = "<xml>" + "<return_code><![CDATA[SUCCESS]]></return_code>"+ "<return_msg><![CDATA[OK]]></return_msg>" + "</xml> ";str = "支付成功"+total_fee+"元";System.out.println(str+"mch_id="+mch_id+"openid="+openid+"is_subscribe="+is_subscribe+"out_trade_no="+out_trade_no);} else {resXml = "<xml>" + "<return_code><![CDATA[FAIL]]></return_code>"+ "<return_msg><![CDATA[报文为空]]></return_msg>" + "</xml> ";str = "支付失败";}BufferedOutputStream out = new BufferedOutputStream(response.getOutputStream());out.write(resXml.getBytes());out.flush();out.close();} else{str = "验证签名失败";}System.out.println(str);return str;}

三、扫码支付成功之后商户系统实现页面跳转

此处我采用查询微信系统的订单状态来判断此单是否支付成功，具体操作为拿到前面存储的微信订单号去微信的统一订单查询地址：https://api.mch./pay/orderquery 换取支付信息，当生成二维码时，前台便开始Ajax轮训下面的接口，直到返回成功支付停止轮训并跳页

Controller

@RequestMapping("/getOrderCode")@ResponseBodypublic returnOrderCode getOrderCode(@RequestBody getOrderCode getOrderCode){//查询存储的微信订单编号来查询订单状态String transaction_id = phoneOrderService.getTransactionIdBySydId(getOrderCode.getOrderId());String transaction_idCopy = phoneOrderService.getTransactionIdByHyjlId(getOrderCode.getOrderId());if(transaction_id != null && !"".equals(transaction_id)) {getOrderCode.setOrderId(transaction_id);} else if (transaction_idCopy != null && !"".equals(transaction_idCopy)) {getOrderCode.setOrderId(transaction_idCopy);}Map<String, String> result = phoneOrderService.getOrderCode(getOrderCode);String return_code = result.get("return_code");String return_msg = result.get("return_msg");String err_code = result.get("err_code");String err_code_des = result.get("err_code_des");String trade_state_desc = result.get("trade_state_desc");returnOrderCode returnOrderCode = new returnOrderCode();returnOrderCode.setErr_code(err_code);returnOrderCode.setErr_code_des(err_code_des);returnOrderCode.setReturn_code(return_code);returnOrderCode.setReturn_msg(return_msg);returnOrderCode.setTrade_state_desc(trade_state_desc);return returnOrderCode;}

Service

@Overridepublic Map<String, String> getOrderCode(getOrderCode getOrderCode) {String appid = getOrderCode.getAppId();String mch_id = getOrderCode.getMchId();String orderId = getOrderCode.getOrderId();String nonce_str = getOrderCode.getNonce_str();String sign = "";SortedMap<Object, Object> packageParams = new TreeMap<>();packageParams.put("appid", appid);packageParams.put("mch_id", mch_id);packageParams.put("nonce_str", nonce_str);packageParams.put("transaction_id", orderId);sign = PayCommonUtil.createSign("UTF-8", packageParams, getOrderCode.getApiKey());packageParams.put("sign", sign);String requestXML = PayCommonUtil.getRequestXml(packageParams);System.out.println("---------- Request XML: " + requestXML);String resXml = HttpUtil.postData(PayConfigUtil.WXORDER_URL, requestXML);System.out.println("---------- Response XML: " + resXml);// xml --> maptry {return XMLUtil4jdom.doXMLParse(resXml);} catch (JDOMException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}return null;}

涉及到的实体类与工具类

PayConfigUtil

package com.sj.Utils;public class PayConfigUtil {// 支付成功回调接口，我们在WXPayController中编写的回调接口的公网地址public static final String NOTIFY_URL = "http://***/PhoneOrder/wxnotify";public static final String UFDODER_URL = "https://api.mch./pay/unifiedorder";//微信查询地址public static final String WXORDER_URL="https://api.mch./pay/orderquery";}

PayCommonUtil

package com.sj.Utils;import javax.servlet.http.HttpServletRequest;import java.security.MessageDigest;import java.text.SimpleDateFormat;import java.util.*;public class PayCommonUtil {/*** @Description：将请求参数转换为xml格式的string* @param parameters* 请求参数* @return*/public static String getRequestXml(SortedMap<Object, Object> parameters) {StringBuffer sb = new StringBuffer();sb.append("<xml>");Set es = parameters.entrySet();Iterator it = es.iterator();while (it.hasNext()) {Map.Entry entry = (Map.Entry) it.next();String k = (String) entry.getKey();String v = (String) entry.getValue();if ("attach".equalsIgnoreCase(k) || "body".equalsIgnoreCase(k) || "sign".equalsIgnoreCase(k)) {sb.append("<" + k + ">" + "<![CDATA[" + v + "]]></" + k + ">");} else {sb.append("<" + k + ">" + v + "</" + k + ">");}}sb.append("</xml>");return sb.toString();}/*** 微信支付签名算法sign* @param characterEncoding* @param parameters* @return*/@SuppressWarnings("unchecked")public static String createSign(String characterEncoding, SortedMap<Object,Object> parameters, String API_KEY){StringBuffer sb = new StringBuffer();Set es = parameters.entrySet();//所有参与传参的参数按照accsii排序（升序）Iterator it = es.iterator();while(it.hasNext()) {Map.Entry entry = (Map.Entry)it.next();String k = (String)entry.getKey();Object v = entry.getValue();if(null != v && !"".equals(v)&& !"sign".equals(k) && !"key".equals(k)) {sb.append(k + "=" + v + "&");}}sb.append("key=" + API_KEY);String sign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toUpperCase();return sign;}/*** 获取当前时间 yyyyMMddHHmmss** @return String*/public static String getCurrTime() {Date now = new Date();SimpleDateFormat outFormat = new SimpleDateFormat("yyyyMMddHHmmss");String s = outFormat.format(now);return s;}/*** 取出一个指定长度大小的随机正整数.** @param length* int 设定所取出随机数的长度。length小于11* @return int 返回生成的随机数。*/public static int buildRandom(int length) {int num = 1;double random = Math.random();if (random < 0.1) {random = random + 0.1;}for (int i = 0; i < length; i++) {num = num * 10;}return (int) ((random * num));}/*** 获取IP地址** @param request* @return*/public static String getIpAddress(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.getHeader("HTTP_CLIENT_IP");}if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getHeader("HTTP_X_FORWARDED_FOR");}if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getRemoteAddr();}return ip;}/*** 是否签名正确,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。* @return boolean*/public static boolean isTenpaySign(String characterEncoding, SortedMap<Object, Object> packageParams, String API_KEY) {StringBuffer sb = new StringBuffer();Set es = packageParams.entrySet();Iterator it = es.iterator();while(it.hasNext()) {Map.Entry entry = (Map.Entry)it.next();String k = (String)entry.getKey();String v = (String)entry.getValue();if(!"sign".equals(k) && null != v && !"".equals(v)) {sb.append(k + "=" + v + "&");}}sb.append("key=" + API_KEY);//算出摘要String mysign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toLowerCase();String tenpaySign = ((String)packageParams.get("sign")).toLowerCase();//System.out.println(tenpaySign + " " + mysign);return tenpaySign.equals(mysign);}private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5","6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };}

MD5Util

package com.sj.Utils;import java.security.MessageDigest;public class MD5Util {private static String byteArrayToHexString(byte b[]) {StringBuffer resultSb = new StringBuffer();for (int i = 0; i < b.length; i++)resultSb.append(byteToHexString(b[i]));return resultSb.toString();}private static String byteToHexString(byte b) {int n = b;if (n < 0)n += 256;int d1 = n / 16;int d2 = n % 16;return hexDigits[d1] + hexDigits[d2];}public static String MD5Encode(String origin, String charsetname) {String resultString = null;try {resultString = new String(origin);MessageDigest md = MessageDigest.getInstance("MD5");if (charsetname == null || "".equals(charsetname))resultString = byteArrayToHexString(md.digest(resultString.getBytes()));elseresultString = byteArrayToHexString(md.digest(resultString.getBytes(charsetname)));} catch (Exception exception) {}return resultString;}private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5","6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };}

HttpUtil

package com.sj.Utils;import sun.rmi.runtime.Log;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import .URL;import .URLConnection;public class HttpUtil {private final static int CONNECT_TIMEOUT = 5000; // in millisecondsprivate final static String DEFAULT_ENCODING = "UTF-8";public static String postData(String urlStr, String data){return postData(urlStr, data, null);}public static String postData(String urlStr, String data, String contentType){BufferedReader reader = null;try {URL url = new URL(urlStr);URLConnection conn = url.openConnection();conn.setDoOutput(true);conn.setConnectTimeout(CONNECT_TIMEOUT);conn.setReadTimeout(CONNECT_TIMEOUT);if(contentType != null)conn.setRequestProperty("content-type", contentType);OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream(), DEFAULT_ENCODING);if(data == null)data = "";writer.write(data);writer.flush();writer.close();reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), DEFAULT_ENCODING));StringBuilder sb = new StringBuilder();String line = null;while ((line = reader.readLine()) != null) {sb.append(line);sb.append("\r\n");}return sb.toString();} catch (IOException e) {return "eroor";} finally {try {if (reader != null)reader.close();} catch (IOException e) {}}}}

PayCommonUtil

package com.sj.Utils;import javax.servlet.http.HttpServletRequest;import java.security.MessageDigest;import java.text.SimpleDateFormat;import java.util.*;public class PayCommonUtil {/*** @Description：将请求参数转换为xml格式的string* @param parameters* 请求参数* @return*/public static String getRequestXml(SortedMap<Object, Object> parameters) {StringBuffer sb = new StringBuffer();sb.append("<xml>");Set es = parameters.entrySet();Iterator it = es.iterator();while (it.hasNext()) {Map.Entry entry = (Map.Entry) it.next();String k = (String) entry.getKey();String v = (String) entry.getValue();if ("attach".equalsIgnoreCase(k) || "body".equalsIgnoreCase(k) || "sign".equalsIgnoreCase(k)) {sb.append("<" + k + ">" + "<![CDATA[" + v + "]]></" + k + ">");} else {sb.append("<" + k + ">" + v + "</" + k + ">");}}sb.append("</xml>");return sb.toString();}/*** 微信支付签名算法sign* @param characterEncoding* @param parameters* @return*/@SuppressWarnings("unchecked")public static String createSign(String characterEncoding, SortedMap<Object,Object> parameters, String API_KEY){StringBuffer sb = new StringBuffer();Set es = parameters.entrySet();//所有参与传参的参数按照accsii排序（升序）Iterator it = es.iterator();while(it.hasNext()) {Map.Entry entry = (Map.Entry)it.next();String k = (String)entry.getKey();Object v = entry.getValue();if(null != v && !"".equals(v)&& !"sign".equals(k) && !"key".equals(k)) {sb.append(k + "=" + v + "&");}}sb.append("key=" + API_KEY);String sign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toUpperCase();return sign;}/*** 获取当前时间 yyyyMMddHHmmss** @return String*/public static String getCurrTime() {Date now = new Date();SimpleDateFormat outFormat = new SimpleDateFormat("yyyyMMddHHmmss");String s = outFormat.format(now);return s;}/*** 取出一个指定长度大小的随机正整数.** @param length* int 设定所取出随机数的长度。length小于11* @return int 返回生成的随机数。*/public static int buildRandom(int length) {int num = 1;double random = Math.random();if (random < 0.1) {random = random + 0.1;}for (int i = 0; i < length; i++) {num = num * 10;}return (int) ((random * num));}/*** 获取IP地址** @param request* @return*/public static String getIpAddress(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.getHeader("HTTP_CLIENT_IP");}if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getHeader("HTTP_X_FORWARDED_FOR");}if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getRemoteAddr();}return ip;}/*** 是否签名正确,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。* @return boolean*/public static boolean isTenpaySign(String characterEncoding, SortedMap<Object, Object> packageParams, String API_KEY) {StringBuffer sb = new StringBuffer();Set es = packageParams.entrySet();Iterator it = es.iterator();while(it.hasNext()) {Map.Entry entry = (Map.Entry)it.next();String k = (String)entry.getKey();String v = (String)entry.getValue();if(!"sign".equals(k) && null != v && !"".equals(v)) {sb.append(k + "=" + v + "&");}}sb.append("key=" + API_KEY);//算出摘要String mysign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toLowerCase();String tenpaySign = ((String)packageParams.get("sign")).toLowerCase();//System.out.println(tenpaySign + " " + mysign);return tenpaySign.equals(mysign);}private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5","6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };}

XMLUtil4jdom

package com.sj.Utils;import org.jdom.Document;import org.jdom.Element;import org.jdom.JDOMException;import org.jdom.input.SAXBuilder;import java.io.ByteArrayInputStream;import java.io.IOException;import java.io.InputStream;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;public class XMLUtil4jdom {/*** 解析xml,返回第一级元素键值对。如果第一级元素有子节点，则此节点的值是子节点的xml数据。* @param strxml* @return* @throws JDOMException* @throws IOException*/public static Map doXMLParse(String strxml) throws JDOMException, IOException {strxml = strxml.replaceFirst("encoding=\".*\"", "encoding=\"UTF-8\"");if(null == strxml || "".equals(strxml)) {return null;}Map<String, String> m = new HashMap<String, String>();InputStream in = new ByteArrayInputStream(strxml.getBytes("UTF-8"));SAXBuilder builder = new SAXBuilder();Document doc = builder.build(in);Element root = doc.getRootElement();List list = root.getChildren();Iterator it = list.iterator();while(it.hasNext()) {Element e = (Element) it.next();String k = e.getName();String v = "";List children = e.getChildren();if(children.isEmpty()) {v = e.getTextNormalize();} else {v = XMLUtil4jdom.getChildrenText(children);}m.put(k, v);}//关闭流in.close();return m;}/*** 获取子结点的xml* @param children* @return String*/public static String getChildrenText(List children) {StringBuffer sb = new StringBuffer();if(!children.isEmpty()) {Iterator it = children.iterator();while(it.hasNext()) {Element e = (Element) it.next();String name = e.getName();String value = e.getTextNormalize();List list = e.getChildren();sb.append("<" + name + ">");if(!list.isEmpty()) {sb.append(XMLUtil4jdom.getChildrenText(list));}sb.append(value);sb.append("</" + name + ">");}}return sb.toString();}}

WxCusInfoBean

package com.sj.bean;import java.math.BigDecimal;public class WxCusInfoBean {private String appId;private String apiKey;//密匙private String orderId;private BigDecimal payAmount;//钱private String body;//支付标语private String mchId;public String getMchId() {return mchId;}public void setMchId(String mchId) {this.mchId = mchId;}public String getAppId() {return appId;}public void setAppId(String appId) {this.appId = appId;}public String getApiKey() {return apiKey;}public void setApiKey(String apiKey) {this.apiKey = apiKey;}public BigDecimal getPayAmount() {return payAmount;}public void setPayAmount(BigDecimal payAmount) {this.payAmount = payAmount;}public String getBody() {return body;}public void setBody(String body) {this.body = body;}public String getOrderId() {return orderId;}public void setOrderId(String orderId) {this.orderId = orderId;}}

URLCode

package com.sj.bean;public class URLCode {private String urlCode;private String Erorr;private String prepayId;private String nonce_str;private String sign;public String getNonce_str() {return nonce_str;}public void setNonce_str(String nonce_str) {this.nonce_str = nonce_str;}public String getSign() {return sign;}public void setSign(String sign) {this.sign = sign;}public String getUrlCode() {return urlCode;}public void setUrlCode(String urlCode) {this.urlCode = urlCode;}public String getErorr() {return Erorr;}public void setErorr(String erorr) {Erorr = erorr;}public String getPrepayId() {return prepayId;}public void setPrepayId(String prepayId) {this.prepayId = prepayId;}}

getOrderCode

package com.sj.model;public class getOrderCode {private String nonce_str;private String sign;private String appId;private String orderId;private String mchId;private String apiKey;public String getApiKey() {return apiKey;}public void setApiKey(String apiKey) {this.apiKey = apiKey;}public String getNonce_str() {return nonce_str;}public void setNonce_str(String nonce_str) {this.nonce_str = nonce_str;}public String getSign() {return sign;}public void setSign(String sign) {this.sign = sign;}public String getAppId() {return appId;}public void setAppId(String appId) {this.appId = appId;}public String getOrderId() {return orderId;}public void setOrderId(String orderId) {this.orderId = orderId;}public String getMchId() {return mchId;}public void setMchId(String mchId) {this.mchId = mchId;}}

returnOrderCode

package com.sj.bean;public class returnOrderCode {private String return_code;private String return_msg;private String err_code;private String err_code_des;private String trade_state_desc;public String getTrade_state_desc() {return trade_state_desc;}public void setTrade_state_desc(String trade_state_desc) {this.trade_state_desc = trade_state_desc;}public String getReturn_code() {return return_code;}public void setReturn_code(String return_code) {this.return_code = return_code;}public String getReturn_msg() {return return_msg;}public void setReturn_msg(String return_msg) {this.return_msg = return_msg;}public String getErr_code() {return err_code;}public void setErr_code(String err_code) {this.err_code = err_code;}public String getErr_code_des() {return err_code_des;}public void setErr_code_des(String err_code_des) {this.err_code_des = err_code_des;}}