package com.hx.mp.util;
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import com.hx.exception.ServiceException;
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import com.hx.util.SimpleTool;
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import net.sf.json.JSONObject;
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import org.apache.http.HttpEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.ssl.SSLContexts;
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import org.apache.http.util.EntityUtils;
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import org.dom4j.Document;
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import org.dom4j.Element;
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import org.dom4j.io.SAXReader;
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import javax.net.ssl.SSLContext;
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import javax.servlet.http.HttpServletRequest;
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import java.io.File;
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import java.io.FileInputStream;
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import java.security.KeyStore;
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import java.util.*;
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/** 微信支付/退款
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* @author ChenJiaHe
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*/
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public class WXPayUtil {
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// 退款接口连接
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private static final String REFUND_URL = "https://api.mch.weixin.qq.com/secapi/pay/refund";
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/**查询订单链接*/
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@SuppressWarnings("unused")
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private static final String QUERY_URL = "https://api.mch.weixin.qq.com/pay/orderquery";
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/**同意下单链接*/
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private static final String FIRST_ORDER_URL = "https://api.mch.weixin.qq.com/pay/unifiedorder";
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// 企业付款
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private static final String CORP_PAY_URL = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers";
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/** 企业付款*/
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public static JSONObject qdCorpPay(String appId, String orderNo, String certPath, String mchid, String mchKey, String openId, String payFee, String desc)
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throws Exception {
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SortedMap<Object, Object> parameters = new TreeMap<Object, Object>();
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parameters.put("mch_appid", appId);
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parameters.put("mchid", mchid);
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parameters.put("partner_trade_no", orderNo);
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parameters.put("nonce_str", UUID.randomUUID().toString().substring(0, 30));
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parameters.put("openid", openId);
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parameters.put("check_name", "NO_CHECK");
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parameters.put("amount", payFee);
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parameters.put("spbill_create_ip", "8.8.8.8");
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parameters.put("desc", desc);
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String sign = WXSignUtils.createSign("UTF-8", parameters, mchKey);
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parameters.put("sign", sign);
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String xmlInfo = HttpXmlUtils.transferXml(parameters);
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JSONObject returnObj = new JSONObject();
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try {
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CloseableHttpResponse response = HttpUtil.Post(CORP_PAY_URL, xmlInfo, true, certPath, mchid);
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String transfersXml = EntityUtils.toString(response.getEntity(), "utf-8");
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// System.out.println("渠道端企业付款：" + transfersXml);
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Map<String, String> transferMap = HttpXmlUtils.parseRefundXml(transfersXml);
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boolean bl = false;
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if (transferMap.size() > 0) {
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if (transferMap.get("return_code").equals("SUCCESS")) {
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// 通讯成功
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if (transferMap.get("result_code").equals("SUCCESS")) {
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// 成功需要进行的逻辑操作
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returnObj.put("status", "suc");
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} else {
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bl = true;
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returnObj.put("status", "fail");
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returnObj.put("errMsg", transferMap.get("err_code") + "|" + transferMap.get("err_code_des"));
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}
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} else {
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bl = true;
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// 通讯不成功
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returnObj.put("status", "fail");
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returnObj.put("errMsg", transferMap.get("return_msg"));
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}
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} else {
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bl = true;
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returnObj.put("status", "fail");
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returnObj.put("errMsg", "返回为空");
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}
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if (bl) {
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System.out.println("企业付款失败：" + transfersXml);
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}
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} catch (Exception e) {
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e.printStackTrace();
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returnObj.put("status", "fail");
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returnObj.put("errMsg", e.getMessage());
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}
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return returnObj;
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}
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/**统一支付
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* @param request 方法获取
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* @param appId 小程序号
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* @param partner 商户号
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* @param key 秘钥
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* @param notifyUrl 回调链接
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* @param out_trade_no 订单号
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* @param body 商品描述
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* @param total_fee 支付金额
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* @param openid 用户openId
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* @param attach 附带数据包
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* @param notifyUrl 回调通知地址
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* @param trade_type 交易类型
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* @return JSON status = "SUC"为成功
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*/
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public static JSONObject unifiedPay(HttpServletRequest request,String appId,String partner,String key,String notifyUrl,String out_trade_no, String body, String total_fee, String openid,
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String attach,String trade_type) throws Exception {
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if (!SimpleTool.checkNotNull(notifyUrl)) {
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throw new ServiceException("支付功能故障！");
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}
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// 创建查询请求对象
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RequestHandler reqHandler = new RequestHandler(null, null);
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// 通信对象
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TenpayHttpClient httpClient = new TenpayHttpClient();
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// 应答对象
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ClientResponseHandler resHandler = new ClientResponseHandler();
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// -----------------------------
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// 设置请求参数
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// -----------------------------
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// reqHandler.init();
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reqHandler.setKey(key);
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reqHandler.setGateUrl(FIRST_ORDER_URL);// 请求URL
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// -----------------------------
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// 设置接口参数(sign后台自动生成)
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// -----------------------------
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reqHandler.setParameter("appid", appId); // 公众号/小程序
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reqHandler.setParameter("mch_id", partner); // 商户号
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reqHandler.setParameter("nonce_str", SimpleTool.getUUIDName().substring(0, 30));// 随机乱码
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reqHandler.setParameter("body", body);// 商品描述
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reqHandler.setParameter("out_trade_no", out_trade_no);// 商户订单号
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reqHandler.setParameter("total_fee", total_fee);// 总金额
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reqHandler.setParameter("spbill_create_ip", "8.8.8.8");// 终端IP
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reqHandler.setParameter("notify_url",notifyUrl);// 通知地址
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reqHandler.setParameter("trade_type", trade_type);// 交易类型
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// JSAPI，NATIVE，APP
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reqHandler.setParameter("openid", openid);// openId
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reqHandler.setParameter("attach", attach);// 附带数据包
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// -----------------------------
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// 设置通信参数
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// -----------------------------
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// 设置请求返回的等待时间
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httpClient.setTimeOut(5);
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// 设置ca证书
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// httpClient.setCaInfo(new File(CA_PATH));
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// 设置个人(商户)证书
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// httpClient.setCertInfo(new File(CERT_PATH), CERT_PWD);
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// 设置发送类型POST
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httpClient.setMethod("POST");
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// 设置请求内容(生成sign)
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String requestUrl = reqHandler.getRequestURL();// 组拼https://www.baidu.com?a=x&b=xx
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httpClient.setReqContent(requestUrl);// https://www.baidu.com?a=x&b=xx
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String rescontent = "null";
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httpClient.setRequestHandler(reqHandler);// 把处理对象，像是参数各种东西都设置进去方便获取(quan)
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// 返回出去的对象(状态，错误原因，该操作相关信息(参数,返回值))
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JSONObject returnObj = new JSONObject();
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// 后台调用
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if (httpClient.call()) {
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System.out.println("统一下单,成功cll了::");
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// 设置结果参数
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rescontent = httpClient.getResContent();
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System.out.println("统一下单返回结果:" + rescontent);
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resHandler.setContent(rescontent);// 解析xml
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resHandler.setKey(key);
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// 获取返回参数
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String return_code = resHandler.getParameter("return_code");
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String return_msg = resHandler.getParameter("return_msg");
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// 判断签名及结果
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if (resHandler.isTenpaySign() && "SUCCESS".equals(return_code)) {
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String prepay_id = resHandler.getParameter("prepay_id");// 预支付交易会话标识
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String code_url = resHandler.getParameter("code_url");// 二维码链接
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String result_code = resHandler.getParameter("result_code");// 业务结果
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String appid = resHandler.getParameter("appid");// 公众账号ID
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String mch_id = resHandler.getParameter("mch_id");// 商户号
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String nonce_str = resHandler.getParameter("nonce_str");// 随机码
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String sign = resHandler.getParameter("sign");// 签名
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if (result_code.equals("SUCCESS")) {
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returnObj.put("status", "suc");
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returnObj.put("sign", sign);
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returnObj.put("nonce_str", nonce_str);
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returnObj.put("mch_id", mch_id);
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returnObj.put("appid", appid);
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returnObj.put("prepay_id", prepay_id);
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returnObj.put("code_url", code_url);
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returnObj.put("out_trade_no", out_trade_no);
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} else {
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String errMsg = "[ERROR]result_code:" + resHandler.getParameter("result_code") + " err_code:"
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+ resHandler.getParameter("err_code") + "err_code_des:"
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+ resHandler.getParameter("err_code_des");
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// 错误时，返回结果未签名，记录retcode、retmsg看失败详情。
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returnObj.put("status", "ERROR-C");
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returnObj.put("errMsg", errMsg);
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}
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} else {
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String errMsg = "return_code:" + return_code + "err_code:" + resHandler.getParameter("err_code")
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+ " return_msg:" + return_msg;
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// 错误时，返回结果未签名，记录retcode、retmsg看失败详情。
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returnObj.put("status", "ERROR-B");
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returnObj.put("errMsg", errMsg);
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}
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} else {
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// 有可能因为网络原因，请求已经处理，但未收到应答。
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returnObj.put("status", "ERROR-A");
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returnObj.put("errMsg", httpClient.getResponseCode() + ":" + httpClient.getErrInfo());
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}
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// 获取debug信息,建议把请求、应答内容、debug信息，通信返回码写入日志，方便定位问题
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String detail = "http res:" + httpClient.getResponseCode() + "," + httpClient.getErrInfo() + ";" + "req url:"
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+ requestUrl + ";" + ";" + "req debug:" + reqHandler.getDebugInfo() + ";" + "res content:" + rescontent
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+ ";" + "res debug:" + resHandler.getDebugInfo() + ";";
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returnObj.put("detail", detail);
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return returnObj;
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}
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/**处理信息
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*/
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public static JSONObject paymentData(JSONObject payObj,String key){
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JSONObject wxObj = new JSONObject();
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/**统一下单*/
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String payStatus = payObj.getString("status");
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if (payStatus.equals("suc")) {
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// JSONObject payObj = po.getJSONObject("inf");
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String appId = payObj.getString("appid");
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String nonceStr = payObj.getString("nonce_str");
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String prepay_id = payObj.getString("prepay_id");
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// JSAPI调用支付返回的数据
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String timeStamp = SimpleTool.getTenTime(new Date()).toString();
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String signType = "MD5";
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String packagef = "prepay_id=" + prepay_id;
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RequestHandler reqHandler = new RequestHandler(null, null);
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reqHandler.setParameter("appId", appId);
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reqHandler.setParameter("nonceStr", nonceStr);
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reqHandler.setParameter("timeStamp", timeStamp);
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reqHandler.setParameter("package", packagef);
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reqHandler.setParameter("signType", signType);
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reqHandler.setKey(key);
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String paySign = reqHandler.createSign();// 生成签名
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wxObj.put("orderNo", payObj.getString("out_trade_no"));
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wxObj.put("paySign", paySign);
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wxObj.put("appId", appId);
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wxObj.put("nonceStr", nonceStr);
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wxObj.put("package", packagef);
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wxObj.put("timeStamp", timeStamp);
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} else {
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throw new RuntimeException(payObj.toString());
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}
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return wxObj;
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}
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/**
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* 退款
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* @param appId 小程序/公众号 appId
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* @param partner 商户号
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* @param key 商户号秘钥
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* @param certPath 个人商户证书
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* @param out_trade_no 商户订单号
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* @param transaction_id 财付通订单号（微信订单号）
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* @param out_refund_no 商户退单号
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* @param total_fee 订单总额(单位:分)
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* @param refund_fee 退款金额(单位:分)
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* @return JSON status="SUCCESS"(成功) (状态，错误原因，该操作相关信息(参数,返回值))
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*/
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public static JSONObject refund(String appId,String partner,String key,String certPath,String out_trade_no, String transaction_id, String out_refund_no, String total_fee,
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String refund_fee) {
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try{
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KeyStore keyStore = KeyStore.getInstance("PKCS12");
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FileInputStream instream = new FileInputStream(new File(certPath));
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try {
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keyStore.load(instream,partner.toCharArray());
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}finally {
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instream.close();
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}
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// Trust own CA and all self-signed certs
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SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore,partner.toCharArray()).build();
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// Allow TLSv1 protocol only
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SSLConnectionSocketFactory sslsf;
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sslsf = new SSLConnectionSocketFactory(
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sslcontext, new String[] { "TLSv1" }, null,
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SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
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CloseableHttpClient httpclient = HttpClients.custom()
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.setSSLSocketFactory(sslsf).build();
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HttpPost httppost = new HttpPost(REFUND_URL);
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String xml = wxPayRefundData(appId,partner,key,out_trade_no, transaction_id, total_fee, out_refund_no, refund_fee);
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try {
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StringEntity se = new StringEntity(xml);
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httppost.setEntity(se);
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System.out.println("executing request" + httppost.getRequestLine());
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CloseableHttpResponse responseEntry = httpclient.execute(httppost);
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try {
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HttpEntity entity = responseEntry.getEntity();
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System.out.println(responseEntry.getStatusLine());
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if (entity != null) {
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SAXReader saxReader = new SAXReader();
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Document document = saxReader.read(entity.getContent());
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Element rootElt = document.getRootElement();
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String resultCode = rootElt.elementText("result_code");
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JSONObject result = new JSONObject();
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if(resultCode.equals("SUCCESS")){
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result.put("weixinPayUrl", rootElt.elementText("code_url"));
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result.put("prepayId", rootElt.elementText("prepay_id"));
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result.put("msg","success");
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String refund_id = rootElt.elementText("refund_id");//微信退款单号
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String r_out_refund_no=rootElt.elementText("out_refund_no");
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String errMsg = "商户号"+r_out_refund_no+"的退款流水号是："+refund_id;
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result.put("status", "SUCCESS");
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result.put("errMsg", errMsg);
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result.put("refund_id", refund_id);
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}else{
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String errMsg = "[ERROR]result_code:" + rootElt.elementText("result_code")+
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" err_code:" + rootElt.elementText("err_code");
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//错误时，返回结果未签名，记录retcode、retmsg看失败详情。
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result.put("errMsg", errMsg);
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result.put("status","false");
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result.put("msg",rootElt.elementText("err_code_des"));
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}
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return result;
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}
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EntityUtils.consume(entity);
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}
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finally {
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responseEntry.close();
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}
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}
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finally {
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httpclient.close();
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}
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return null;
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}catch(Exception e){
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e.printStackTrace();
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JSONObject result = new JSONObject();
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result.put("status","error");
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result.put("msg",e.getMessage());
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return result;
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}
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}
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/** 封装参数数据
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* @param appId 小程序/公众号 appId
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* @param partner 商户号
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* @param key 商户号秘钥
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* @param out_trade_no 商户订单号
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* @param transaction_id 财付通订单号（微信订单号）
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* @param out_refund_no 商户退单号
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* @param total_fee 订单总额(单位:分)
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* @param refund_fee 退款金额(单位:分)
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* @return
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*/
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public static String wxPayRefundData(String appId,String partner,String key,String out_trade_no, String transaction_id,String out_refund_no,String total_fee,String refund_fee) {
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StringBuffer xml = new StringBuffer();
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String data = null;
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try {
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String nonceStr = SimpleTool.getUUIDName().substring(0,30);
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xml.append("</xml>");
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SortedMap<String,String> parameters = new TreeMap<String,String>();
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parameters.put("appid",appId);
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parameters.put("mch_id",partner);
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parameters.put("nonce_str", nonceStr);
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parameters.put("out_trade_no", out_trade_no);
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parameters.put("transaction_id", transaction_id);
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parameters.put("out_refund_no", out_refund_no);
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parameters.put("fee_type", "CNY");
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parameters.put("total_fee", total_fee);//总金额
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parameters.put("refund_fee", refund_fee);//退款金额
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parameters.put("op_user_id",partner);
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parameters.put("sign", createSign(parameters,key));
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data =SortedMaptoXml(parameters);
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} catch (Exception e) {
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System.err.println(e.getMessage());
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return null;
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}
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return data;
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}
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/**
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* 创建md5摘要,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。
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*/
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public static String createSign(SortedMap<String, String> packageParams, String AppKey) {
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StringBuffer sb;
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sb = new StringBuffer();
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Set es = packageParams.entrySet();
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Iterator it = es.iterator();
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while (it.hasNext()) {
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Map.Entry entry = (Map.Entry) it.next();
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String k = (String) entry.getKey();
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String v = (String) entry.getValue();
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if (null != v && !"".equals(v) && !"sign".equals(k) && !"key".equals(k)) {
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sb.append(k + "=" + v + "&");
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}
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}
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sb.append("key=" + AppKey);
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String sign = MD5Util.MD5Encode(sb.toString(), "UTF-8").toUpperCase();
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return sign;
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}
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/**
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* @Author: HONGLINCHEN
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* @Description:请求值转换为xml格式 SortedMap转xml
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* @param params
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* @Date: 2017-9-7 17:18
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*/
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private static String SortedMaptoXml(SortedMap<String,String> params) {
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StringBuilder sb = new StringBuilder();
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Set es = params.entrySet();
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Iterator it = es.iterator();
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sb.append("<xml>\n");
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while(it.hasNext()) {
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Map.Entry entry = (Map.Entry)it.next();
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String k = (String)entry.getKey();
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Object v = entry.getValue();
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sb.append("<"+k+">");
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sb.append(v);
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sb.append("</"+k+">\n");
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}
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sb.append("</xml>");
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return sb.toString();
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}
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}
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