chore[litemall-wx-api]： 微调

litemall-wx-api/src/main/java/org/linlinjava/litemall/wx/service/WxOrderService.java

@@ -24,22 +24,14 @@ import org.linlinjava.litemall.db.service.*;
 import org.linlinjava.litemall.db.util.CouponUserConstant;
 import org.linlinjava.litemall.db.util.OrderHandleOption;
 import org.linlinjava.litemall.db.util.OrderUtil;
-import org.linlinjava.litemall.wx.annotation.LoginUser;
 import org.linlinjava.litemall.wx.util.IpUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.PlatformTransactionManager;
-import org.springframework.transaction.TransactionDefinition;
-import org.springframework.transaction.TransactionStatus;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.transaction.support.DefaultTransactionDefinition;
 import org.springframework.util.Assert;
-import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-import javax.validation.constraints.NotNull;
 import java.io.IOException;
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
@@ -320,9 +312,9 @@ public class WxOrderService {
         // 使用优惠券减免的金额
         BigDecimal couponPrice = new BigDecimal(0.00);
         // 如果couponId=0则没有优惠券，couponId=-1则不使用优惠券
-        if(couponId != 0 && couponId != -1){
+        if (couponId != 0 && couponId != -1) {
             LitemallCoupon coupon = couponVerifyService.checkCoupon(userId, couponId, checkedGoodsPrice);
-            if(coupon == null){
+            if (coupon == null) {
                 return ResponseUtil.badArgumentValue();
             }
             couponPrice = coupon.getDiscount();
@@ -409,7 +401,7 @@ public class WxOrderService {
         }
 
         // 如果使用了优惠券，设置优惠券使用状态
-            if(couponId != 0 && couponId != -1){
+        if (couponId != 0 && couponId != -1) {
             LitemallCouponUser couponUser = couponUserService.queryOne(userId, couponId);
             couponUser.setStatus(CouponUserConstant.STATUS_USED);
             couponUser.setUsedTime(LocalDateTime.now());