format the code and remove the unused import

src/main/java/com/peanut/modules/book/controller/BuyOrderController.java

@@ -71,8 +71,20 @@ public class BuyOrderController {
     private  PayWechatOrderService payWechatOrderService;
     @Autowired
     private  PayZfbOrderService payZfbOrderService;
-//    @Autowired
-//    private
+
+    /**
+     * 订单状态 - 待支付
+     */
+    private static final String ORDER_STATUS_TO_BE_PAID = "0";
+    /**
+     * 订单状态 - 待发货
+     */
+    private static final String ORDER_STATUS_TO_BE_SHIPPED = "1";
+    /**
+     * 订单状态 - 待收货
+     */
+    private static final String ORDER_STATUS_TO_BE_RECEIVED = "2";
+
     /**
      * 列表
      */
@@ -124,23 +136,18 @@ public class BuyOrderController {
 
 
     /**
-     * 保存
+     * 下单
      */
     @RequestMapping("/buysave")
     @Transactional
-//    @RequiresPermissions("book:buyorder:save")
     public R buysave(@RequestBody BuyOrderEntity buyOrder){
-
-
         BigDecimal realMoney = new BigDecimal(0);
-
         Lock l = new ReentrantLock();
         l.lock();
         try {
+            // 根据订单获取订单详情
             List<BuyOrderDetailEntity> products = buyOrder.getProducts();
-
             BigDecimal bigDecimal1 = new BigDecimal(0);
-
             ArrayList<BuyOrderDetailEntity> list = new ArrayList<>();
 
             // 遍历商品 查询价格
@@ -152,12 +159,13 @@ public class BuyOrderController {
                 BigDecimal big = new BigDecimal(0);
                 BigDecimal price=null;
 
-                //activityPrice等于0，则原价
+                //activityPrice等于 0，则原价
                 if (activityPrice.equals(big)||activityPrice==null) {
                     price = product.getPrice();
                 }else {
                     price = product.getActivityPrice();
                 }
+
                 Integer quantity = buyOrderDetail.getQuantity();
                 BigDecimal bigDecimal = new BigDecimal(price.doubleValue() * quantity);
                 System.out.println("bigDecimal=================bigDecimal======================"+bigDecimal);
@@ -170,6 +178,7 @@ public class BuyOrderController {
                 product.setProductStock(product.getProductStock() - buyOrderDetail.getQuantity());
                 product.setSumSales(product.getSumSales() + buyOrderDetail.getQuantity());
                 shopProductService.updateById(product);
+
                 BeanUtils.copyProperties(buyOrderDetail,buyOrderDetailEntity);
                 buyOrderDetailEntity.setProductName(product.getProductName());
                 buyOrderDetailEntity.setProductPrice(product.getPrice());
@@ -200,9 +209,8 @@ public class BuyOrderController {
                 String timeId = IdWorker.getTimeId().substring(0,32);
                 buyOrder.setOrderSn(timeId);
                 if("4".equals(buyOrder.getPaymentMethod())){
-                    buyOrder.setOrderStatus("1");
+                    buyOrder.setOrderStatus(ORDER_STATUS_TO_BE_SHIPPED);
                 }
-                //todo 增加结束时间
                 buyOrder.setPaymentDate(new Date());
                 buyOrderService.save(buyOrder);