From fec941e6ca34ad8a344a07fba8aa8eb678d6f793 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9F=A9=E5=AE=9B=E5=BD=A4?= <1484985080@qq.com>
Date: Mon, 11 May 2026 11:48:05 +0800
Subject: [PATCH] =?UTF-8?q?=E7=B2=BE=E8=BF=9Bproduct?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../src/com/ssm/entity/Product.java           | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/grademanagement-SpringMVCProject/src/com/ssm/entity/Product.java b/grademanagement-SpringMVCProject/src/com/ssm/entity/Product.java
index 1a2cac2..6355990 100644
--- a/grademanagement-SpringMVCProject/src/com/ssm/entity/Product.java
+++ b/grademanagement-SpringMVCProject/src/com/ssm/entity/Product.java
@@ -114,4 +114,33 @@ public class Product {
                 ", listDate='" + listDate + '\'' +
                 '}';
     }
+
+    // 计算折扣率
+    public Double getDiscountRate() {
+        if (marketPrice != null && marketPrice > 0 && salesPrice != null) {
+            return (salesPrice / marketPrice) * 10;
+        }
+        return 0.0;
+    }
+
+    // 判断是否有优惠
+    public boolean hasDiscount() {
+        if (marketPrice != null && salesPrice != null) {
+            return salesPrice < marketPrice;
+        }
+        return false;
+    }
+
+    // 获取节省金额
+    public Double getSavedAmount() {
+        if (marketPrice != null && salesPrice != null) {
+            return marketPrice - salesPrice;
+        }
+        return 0.0;
+    }
+
+    // 判断是否为热门商品
+    public boolean isHotProduct() {
+        return "是".equals(isPopular) || "true".equalsIgnoreCase(isPopular) || "1".equals(isPopular);
+    }
 }