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2 天以前 3aef471b170a703b501ddb4d9d2a12791d07ff28
server/services/src/main/java/com/doumee/config/wx/WxMiniUtilService.java
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package com.doumee.config.wx;
import com.doumee.core.constants.ResponseStatus;
import com.doumee.core.exception.BusinessException;
import com.doumee.core.utils.ID;
import com.github.binarywang.wxpay.bean.request.WxPayRefundRequest;
import com.github.binarywang.wxpay.bean.result.WxPayRefundResult;
import com.github.binarywang.wxpay.exception.WxPayException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.math.BigDecimal;
/**
 * å¾®ä¿¡å°ç¨‹åº-公共方法
 */
@Service
@Slf4j
public class WxMiniUtilService {
    /**
     * è®¢å•微信退款
     * orderNo:商户订单号
     * totalPrice:订单总金额
     * refundPrice;退款金额
     */
    @Transactional(rollbackFor = Exception.class)
    public String wxRefund(String orderNo, Long totalPrice, Long refundPrice) {
        try {
            // å‘送退款请求
            String refNum = ID.nextGUID();
            WxPayRefundRequest request = new WxPayRefundRequest();
            request.setOutTradeNo(orderNo);
            request.setOutRefundNo(refNum);
            request.setTotalFee(totalPrice.intValue());
            request.setRefundFee(refundPrice.intValue());
            WxPayRefundResult response = WxMiniConfig.wxPayService.refund(request);
            if ("SUCCESS".equals(response.getReturnCode()) && "SUCCESS".equals(response.getResultCode())) {
                return refNum;
            } else {
                throw  new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),response.getErrCode() + response.getErrCodeDes());
            }
        } catch (WxPayException e) {
            e.printStackTrace();
        }
        throw  new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"退款发生异常请联系管理员");
    }
}