库存报表连接数据库版本一

src/model/DataManager.java

@@ -1,5 +1,6 @@
 package model;
 
+import java.sql.*;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -79,11 +80,26 @@ public class DataManager {
     public static List<InventoryReport> generateInventoryReport() {
         List<InventoryReport> reports = new ArrayList<>();
 
-        // 这里可以调用数据库或其他数据源获取库存数据
+        // 数据库连接URL
-        // 示例数据
+        String url = "jdbc:sqlite:db/dbuml.db3";
-        reports.add(new InventoryReport("G001", "商品A", 100, "供应商A", "无"));
+
-        reports.add(new InventoryReport("G002", "商品B", 200, "供应商B", "无"));
+        try (Connection conn = DriverManager.getConnection(url);
-        reports.add(new InventoryReport("G003", "商品C", 150, "供应商C", "无"));
+             Statement stmt = conn.createStatement();
+             ResultSet rs = stmt.executeQuery("SELECT goods_id, goods_name, SUM(quantity) as total_quantity, supplier, remark FROM inbound_records GROUP BY goods_id")) {
+
+            while (rs.next()) {
+                String goodsId = rs.getString("goods_id");
+                String goodsName = rs.getString("goods_name");
+                int totalQuantity = rs.getInt("total_quantity");
+                String supplier = rs.getString("supplier");
+                String remark = rs.getString("remark");
+
+                reports.add(new InventoryReport(goodsId, goodsName, totalQuantity, supplier, remark));
+            }
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
 
         return reports;
     }