1.订单提交：订单最小金额配置

陶杰

2025-01-08 ae1471f378f399f76518539ec8992e64a3673436

 src/main/java/com/mzl/flower/service/payment/OrderService.java

@@ -543,9 +543,26 @@
            totalAmount = new BigDecimal(0);
        }
        totalAmount = totalAmount.add(p.getPacking()).add(transportFee);
        if(totalAmount.doubleValue() <= 0){//假如总价小于等于0，则支付0.01元
            totalAmount = new BigDecimal("0.01");

        // 判断最低金额如果小于配置的钱，则不能提交
        String paramGroup = "orderpay";
        String paramKey = "order_min_fee";
        String baseString = configParamService.getBaseString(paramGroup, paramKey);
        if(StringUtils.isNotEmpty(baseString)){
            // 判断类型是否错误，可转换成BigDecimal
            try {
                BigDecimal minFee = new BigDecimal(baseString);
                if(totalAmount.compareTo(minFee) < 0){
                    throw new ValidationException("订单金额不能低于"+minFee+"元");
                }
            } catch (NumberFormatException e) {
                log.error("订单金额配置有误，请检查配置", e);
                throw new ValidationException("订单金额配置有误，请检查配置");
            }
        }
//        if(totalAmount.doubleValue() <= 0){//假如总价小于等于0，则支付0.01元
//            totalAmount = new BigDecimal("0.01");
//        }
        order.setTotalAmount(totalAmount);

        order.setCustomer(address.getName());