package com.xzx.gc.common.utils.payutil;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import java.security.MessageDigest;
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import java.text.SimpleDateFormat;
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import java.util.*;
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@Service
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@Slf4j
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public class WxRequestParam {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
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/**
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* 小程序现金红包支付参数
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* @param m
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* @return
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*/
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public String getXcxParam(Map<String, String> m){
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//四位随机数
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String mchBillno = WxConfig.MCH_ID+sdf.format(new Date())+(int)((Math.random()*9+1)*1000000000);
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String nonceStr = UUID.randomUUID().toString().replace("-", "");
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// 备注
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String remark = "beizhu";
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// 祝福语
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String wishing = "gongxifacai";
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// 场景id
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String sceneId = "PRODUCT_1";
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// 活动名称
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String actName = "gongxifacai";
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// 商户名称（微信红包发送者名称,最好用英文）
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String sendName = "xiaozongxiao";
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// 红包发放总人数
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String totalNum = "1";
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SortedMap<String, String> packageParams = new TreeMap<>();
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// 活动名称
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packageParams.put("act_name", actName);
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// 用户openId
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packageParams.put("re_openid", m.get("reOpenid"));
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// 商户名称（微信红包发送者名称,最好用英文）
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packageParams.put("send_name", sendName);
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// 红包金额
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packageParams.put("total_amount", m.get("totalAmount"));
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// 红包发放总人数
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packageParams.put("total_num", totalNum);
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// 通知用户形式
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packageParams.put("notify_way", WxConfig.WX_NOTITY_WAY);
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// 备注
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packageParams.put("remark", remark);
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// 商户订单号
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packageParams.put("mch_billno", mchBillno);
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// 商户号
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packageParams.put("mch_id", WxConfig.MCH_ID);
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// /随机字符串
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packageParams.put("nonce_str",nonceStr);
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// 场景id
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packageParams.put("scene_id", sceneId);
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// 红包祝福语
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packageParams.put("wishing", wishing);
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// 公众账号appid
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packageParams.put("wxappid", WxConfig.WXAPP_ID);
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//生成签名
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String sign = createSign(packageParams,WxConfig.WX_API_KEY,"UTF-8");
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String param="<xml>"+
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"<nonce_str>"+packageParams.get("nonce_str")+"</nonce_str>"+
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"<sign>"+sign+"</sign>"+
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"<mch_billno>"+packageParams.get("mch_billno")+"</mch_billno>"+
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"<mch_id>"+packageParams.get("mch_id")+"</mch_id>"+
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"<wxappid>"+packageParams.get("wxappid")+"</wxappid>"+
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"<send_name>"+packageParams.get("send_name")+"</send_name>"+
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"<re_openid>"+packageParams.get("re_openid")+"</re_openid>"+
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"<total_amount>"+packageParams.get("total_amount")+"</total_amount>"+
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"<total_num>"+packageParams.get("total_num")+"</total_num>"+
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"<wishing>"+packageParams.get("wishing")+"</wishing>"+
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"<act_name>"+packageParams.get("act_name")+"</act_name>"+
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"<remark>"+packageParams.get("remark")+"</remark>"+
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"<notify_way>"+packageParams.get("notify_way")+"</notify_way>"+
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"<scene_id>"+packageParams.get("scene_id")+"</scene_id>"+
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"</xml>";
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return param;
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}
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/**
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* 获取企业支付的支付参数
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* @param m
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*/
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public String getQiyePayParam(Map<String, String> m){
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//四位随机数
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String mchBillno = WxConfig.MCH_ID+sdf.format(new Date())+(int)((Math.random()*9+1)*1000000000);
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String nonceStr = UUID.randomUUID().toString().replace("-", "");
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SortedMap<String, String> packageParams = new TreeMap<>();
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// 企业付款金额，单位为分
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packageParams.put("amount", m.get("totalAmount"));
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// 商户appid下，某用户的openid
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packageParams.put("openid", m.get("reOpenid"));
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// 申请商户号的appid或商户号绑定的appid
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packageParams.put("mch_appid", WxConfig.WXAPP_ID);
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// 微信支付分配的商户号
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packageParams.put("mchid", WxConfig.MCH_ID);
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// 微信支付分配的终端设备号
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// packageParams.put("device_info", "");
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// 随机字符串，不长于32位
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packageParams.put("nonce_str", nonceStr);
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// 商户订单号，需保持唯一性(只能是字母或者数字，不能包含有其他字符)
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packageParams.put("partner_trade_no", mchBillno);
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// NO_CHECK：不校验真实姓名 FORCE_CHECK：强校验真实姓名
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packageParams.put("check_name", "NO_CHECK");
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// 收款用户真实姓名。 如果check_name设置为FORCE_CHECK，则必填用户真实姓名
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packageParams.put("re_user_name", "xx");
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// 企业付款备注
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packageParams.put("desc", "remark");
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// Ip地址
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packageParams.put("spbill_create_ip", "0.0.0.0");
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//生成签名
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String sign = createSign(packageParams,WxConfig.WX_API_KEY,"UTF-8");
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String param="<xml>"+
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"<mch_appid>"+packageParams.get("mch_appid")+"</mch_appid>"+
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"<sign>"+sign+"</sign>"+
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"<mchid>"+packageParams.get("mchid")+"</mchid>"+
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"<nonce_str>"+packageParams.get("nonce_str")+"</nonce_str>"+
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"<partner_trade_no>"+packageParams.get("partner_trade_no")+"</partner_trade_no>"+
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"<openid>"+packageParams.get("openid")+"</openid>"+
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"<check_name>"+packageParams.get("check_name")+"</check_name>"+
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"<re_user_name>"+packageParams.get("re_user_name")+"</re_user_name>"+
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"<amount>"+packageParams.get("amount")+"</amount>"+
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"<desc>"+packageParams.get("desc")+"</desc>"+
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"<spbill_create_ip>"+packageParams.get("spbill_create_ip")+"</spbill_create_ip>"+
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"</xml>";
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return param;
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}
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String createSign(SortedMap<String, String> paraMap,String key,String charset) {
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StringBuffer sb = new StringBuffer();
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Set es = paraMap.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)
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&& !"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=" + key);
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System.out.println("===========签名参数====="+sb.toString());
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String sign = md5Password(sb.toString()).toUpperCase();
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// String sign = MD5Util.encode(sb.toString()).toUpperCase();
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System.out.println("===========生成的签名是====="+sign);
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return sign;
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}
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/**
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* 生成32位md5码
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*
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* @param key
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* @return
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*/
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static String md5Password(String key) {
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char hexDigits[] = {
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
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};
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try {
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byte[] btInput = key.getBytes();
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// 获得MD5摘要算法的 MessageDigest 对象
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MessageDigest mdInst = MessageDigest.getInstance("MD5");
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// 使用指定的字节更新摘要
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mdInst.update(btInput);
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// 获得密文
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byte[] md = mdInst.digest();
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// 把密文转换成十六进制的字符串形式
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int j = md.length;
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char str[] = new char[j * 2];
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int k = 0;
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for (int i = 0; i < j; i++) {
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byte byte0 = md[i];
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str[k++] = hexDigits[byte0 >>> 4 & 0xf];
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str[k++] = hexDigits[byte0 & 0xf];
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}
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return new String(str);
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} catch (Exception e) {
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return null;
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}
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}
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}
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