package com.panzhihua.common.utlis;
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import java.math.BigDecimal;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import java.util.SortedMap;
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import java.util.TreeMap;
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import com.panzhihua.common.utlis.wx.WXPayUtil;
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import org.json.XML;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.panzhihua.common.constants.PayCpmstant;
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import lombok.extern.slf4j.Slf4j;
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@Slf4j
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public class WxPayUtils {
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public static String getUnifiedorder(String appid, String mchId, String payKey, String notifyUrl, String body,
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String openid, String outTradeNo, BigDecimal money,String attach) {
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String nonceStr = PayUtil.makeUUID(32);
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SortedMap<Object, Object> params = new TreeMap<>();
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params.put("appid", appid);
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params.put("body", body);
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params.put("mch_id", mchId);
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params.put("nonce_str", nonceStr);
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params.put("notify_url", notifyUrl);
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params.put("openid", openid);
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//附加数据
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if(StringUtils.isNotEmpty(attach)){
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params.put("attach", attach);
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}
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params.put("out_trade_no", outTradeNo);// 商品订单号
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params.put("spbill_create_ip", PayUtil.getLocalIp());// 服务部署的ip
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params.put("total_fee", PayUtil.moneyToIntegerStr(money));// 费用的参数转型
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params.put("trade_type", "JSAPI");// 对接类型
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params.put("sign", PayUtil.createSign(PayCpmstant.DEFAULT_ENCODING, params, payKey));// MD5签名
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// 转换成xml
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String xmlData = PayUtil.getRequestXml(params);
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// 请求微信后台，获取支付id
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String resXml = HttpClientUtil.httpsRequest(PayCpmstant.UNIFIEDORDER_URL, xmlData);
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log.info("请求微信支付返回参数：" + resXml);
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org.json.JSONObject resultData = XML.toJSONObject(resXml);
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JSONObject data = JSON.parseObject(resultData.get("xml").toString());
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JSONObject result = new JSONObject();
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if (data.get("return_msg").equals(PayCpmstant.RETURN_MSG)
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&& data.get("return_code").equals(PayCpmstant.RETURN_CODE)) {
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// 将微信统一下单成功的参数拼接再签名
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// 统一下单返回prepay_id
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String prepayId = "prepay_id=" + data.getString("prepay_id");
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// 时间戳
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Long timeStamp = System.currentTimeMillis() / 1000;
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// 封装需要签名的字段
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SortedMap<Object, Object> payParams = new TreeMap<>();
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payParams.put("appId", appid);
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payParams.put("nonceStr", nonceStr);
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payParams.put("package", prepayId);
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payParams.put("signType", PayCpmstant.SIGN_TYPE);
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payParams.put("timeStamp", timeStamp);
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// 将参数以及签名计算完成封装返回给前端
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result.put("timeStamp", timeStamp);
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result.put("nonceStr", nonceStr);
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result.put("package", prepayId);
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result.put("signType", PayCpmstant.SIGN_TYPE);
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result.put("paySign", PayUtil.createSign(PayCpmstant.DEFAULT_ENCODING, payParams, payKey));
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}
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return result.toJSONString();
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}
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public static SortedMap<Object, Object> prepayId(Map<String, String> map) {
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SortedMap<Object, Object> parameters = new TreeMap<>();
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parameters.put("appId", "");
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parameters.put("timeStamp", PayUtil.create_timestamp());
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parameters.put("nonceStr", map.get("nonce_str"));
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parameters.put("package", "prepay_id=" + map.get("prepay_id"));
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parameters.put("signType", "MD5");
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String sign = PayUtil.createSign("UTF-8", parameters, "商户秘钥");
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parameters.put("prepay_id", "prepay_id=" + map.get("prepay_id"));
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parameters.put("paySign", sign);
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return parameters;
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}
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public static String h5pay(String appid, String mchId, String payKey, String notifyUrl, String body,
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String openid, String outTradeNo, BigDecimal money, String tradeType, String clientIp) {
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String nonceStr = PayUtil.makeUUID(32);
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SortedMap<Object, Object> params = new TreeMap<>();
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params.put("appid", appid);
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params.put("body", body);
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params.put("mch_id", mchId);
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params.put("nonce_str", nonceStr);
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params.put("notify_url", notifyUrl);
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params.put("openid", openid);
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params.put("out_trade_no", outTradeNo);// 商品订单号
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params.put("spbill_create_ip", clientIp);// 用户真实ip
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params.put("total_fee", PayUtil.moneyToIntegerStr(money));// 费用的参数转型
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params.put("trade_type", tradeType);// 对接类型
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params.put("sign", PayUtil.createSign(PayCpmstant.DEFAULT_ENCODING, params, payKey));// MD5签名
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// 转换成xml
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String xmlData = PayUtil.getRequestXml(params);
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// 请求微信后台，获取支付id
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String resXml = HttpClientUtil.httpsRequest(PayCpmstant.UNIFIEDORDER_URL, xmlData);
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log.info("请求微信支付返回参数：" + resXml);
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org.json.JSONObject resultData = XML.toJSONObject(resXml);
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JSONObject data = JSON.parseObject(resultData.get("xml").toString());
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JSONObject result = new JSONObject();
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if (data.get("return_msg").equals(PayCpmstant.RETURN_MSG)
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&& data.get("return_code").equals(PayCpmstant.RETURN_CODE)) {
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// 将微信统一下单成功的参数拼接再签名
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// 统一下单返回prepay_id
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if(tradeType.equals("JSAPI")) {
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String prepayId = "prepay_id=" + data.getString("prepay_id");
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// 时间戳
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Long timeStamp = System.currentTimeMillis() / 1000;
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// 封装需要签名的字段
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SortedMap<Object, Object> payParams = new TreeMap<>();
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payParams.put("appId", appid);
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payParams.put("nonceStr", nonceStr);
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payParams.put("package", prepayId);
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payParams.put("signType", PayCpmstant.SIGN_TYPE);
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payParams.put("timeStamp", timeStamp);
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// 将参数以及签名计算完成封装返回给前端
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result.put("timeStamp", timeStamp);
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result.put("nonceStr", nonceStr);
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result.put("package", prepayId);
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result.put("signType", PayCpmstant.SIGN_TYPE);
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result.put("paySign", PayUtil.createSign(PayCpmstant.DEFAULT_ENCODING, payParams, payKey));
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}
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else if(tradeType.equals("NATIVE")) {
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result.put("codeUrl",data.getString("code_url"));
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} else if(tradeType.equals("MWEB")) {
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result.put("mWebUrl",data.getString("mweb_url"));
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}
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}
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return result.toJSONString();
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}
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public static String refund(String appid,String mchId,String orderNo,BigDecimal totalFee,BigDecimal refundFee,String refundNo,Boolean isTest) throws Exception {
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//创建请求地址
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String url = PayCpmstant.REFUND_URL;
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Map<String, String> paramMap = new LinkedHashMap<>();
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paramMap.put("appid",appid);
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paramMap.put("mch_id",mchId);
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paramMap.put("nonce_str", WXPayUtil.generateNonceStr());
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paramMap.put("out_refund_no",refundNo);
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paramMap.put("out_trade_no",orderNo);
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paramMap.put("refund_fee",String.valueOf(refundFee.multiply(BigDecimal.valueOf(100)).longValue()));
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paramMap.put("total_fee",String.valueOf(totalFee.multiply(BigDecimal.valueOf(100)).longValue()));
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paramMap.put("sign",WXPayUtil.generateSignature(paramMap,PayCpmstant.REFUND_KEY));
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log.info("微信退款请求参数：{},{},{},{}",url,WXPayUtil.mapToXml(paramMap),mchId,isTest);
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//接收请求返回值
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return HttpClientUtil.doRefund(url,WXPayUtil.mapToXml(paramMap),mchId,isTest);
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}
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}
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