package com.doumee.core.wx;
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import com.doumee.biz.system.SystemDictDataBiz;
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import com.doumee.core.constants.Constants;
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import com.doumee.core.constants.ResponseStatus;
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import com.doumee.core.exception.BusinessException;
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import com.doumee.core.utils.ID;
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import com.doumee.dao.business.ActionLogMapper;
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import com.github.binarywang.wxpay.bean.request.BaseWxPayRequest;
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import com.github.binarywang.wxpay.bean.request.WxPayDownloadBillRequest;
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import com.github.binarywang.wxpay.bean.request.WxPayRefundRequest;
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import com.github.binarywang.wxpay.bean.result.WxPayBillResult;
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import com.github.binarywang.wxpay.bean.result.WxPayRefundResult;
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import com.github.binarywang.wxpay.exception.WxPayException;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.yaml.snakeyaml.scanner.Constant;
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import java.math.BigDecimal;
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import java.security.KeyFactory;
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import java.security.Signature;
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import java.security.spec.PKCS8EncodedKeySpec;
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import java.util.Base64;
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/**
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* 微信小程序-公共方法
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*/
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@Service
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@Slf4j
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public class WxMiniUtilService {
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@Autowired
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private SystemDictDataBiz systemDictDataBiz;
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/**
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* 订单微信退款
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* orderNo:商户订单号
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* totalPrice：订单总金额
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* refundPrice；退款金额
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*/
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@Transactional(rollbackFor = Exception.class)
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public static String wxRefund(String orderNo, BigDecimal totalPrice, BigDecimal refundPrice) {
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try {
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// 发送退款请求
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String refNum = ID.nextGUID();
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WxPayRefundRequest request = new WxPayRefundRequest();
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request.setOutTradeNo(orderNo);
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request.setOutRefundNo(refNum);
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// request.setTotalFee(2);
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// request.setRefundFee(1);
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request.setTotalFee(BaseWxPayRequest.yuanToFen(totalPrice.toString()));
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request.setRefundFee(BaseWxPayRequest.yuanToFen(refundPrice.toString()));
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WxPayRefundResult response = WxMiniConfig.wxPayService.refund(request);
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if ("SUCCESS".equals(response.getReturnCode()) && "SUCCESS".equals(response.getResultCode())) {
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return refNum;
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} else {
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throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),response.getErrCode() + response.getErrCodeDes());
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}
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} catch (WxPayException e) {
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e.printStackTrace();
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}
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throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"退款发生异常请联系管理员");
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}
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}
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