货物信息修改

src/view/GoodsManagementView.java

@@ -11,8 +11,10 @@ import model.Goods;
 
 import java.sql.Connection;
 import java.sql.DriverManager;
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.Statement;
+import java.sql.SQLException;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
@@ -39,7 +41,7 @@ public class GoodsManagementView extends BorderPane {
         tableView = createTableView();
         setCenter(tableView);
 
-        // 加载现有货物数据
+        // 加载现有货<EFBFBD><EFBFBD>数据
         loadGoodsData();
 
         // 添加双击事件填充文本字段
@@ -181,7 +183,12 @@ public class GoodsManagementView extends BorderPane {
             String remark = remarkField.getText().trim();
 
             // 输入验证
-            if (id.isEmpty() || name.isEmpty() || quantityText.isEmpty() || supplier.isEmpty()) {
+            if (id.isEmpty()) {
+                showAlert("错误", "请先选择要修改的货物记录！");
+                return;
+            }
+
+            if (name.isEmpty() || quantityText.isEmpty() || supplier.isEmpty()) {
                 showAlert("错误", "请填写完整的货物信息！");
                 return;
             }
@@ -198,36 +205,57 @@ public class GoodsManagementView extends BorderPane {
                 return;
             }
 
-            // 查找货物对象
-            Goods existingGoods = DataManager.getInstance().getGoods(id);
-            if (existingGoods == null) {
-                // 插入新货物
-                Goods newGoods = new Goods(String.format("NO%014d", System.currentTimeMillis()), 
-                        name, quantity, remark);
-                newGoods.setInboundTime(LocalDateTime.now());
-                newGoods.setOperator("当前用户");
-                newGoods.setSupplier(supplier);
-                DataManager.getInstance().addGoodsToDatabase(newGoods);
-            } else {
-                // 更新现有货物
-                existingGoods.setName(name);
-                existingGoods.setQuantity(quantity);
-                existingGoods.setSupplier(supplier);
-                existingGoods.setRemark(remark);
-                DataManager.getInstance().updateGoodsInDatabase(existingGoods);
+            String url = "jdbc:sqlite:db/dbuml.db3";
+            try (Connection conn = DriverManager.getConnection(url)) {
+                // 修改SQL语句，使用UPDATE而不是INSERT
+                String sql = "UPDATE warehouse SET " +
+                            "goods_id = ?, " +
+                            "quantity = ?, " +
+                            "supplier = ?, " +
+                            "remark = ? " +
+                            "WHERE id = ?";
+                            
+                try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
+                    pstmt.setString(1, name);
+                    pstmt.setInt(2, quantity);
+                    pstmt.setString(3, supplier);
+                    pstmt.setString(4, remark);
+                    pstmt.setString(5, id);
+                    
+                    int affectedRows = pstmt.executeUpdate();
+                    if (affectedRows > 0) {
+                        // 记录操作日志
+                        String logSql = "INSERT INTO operation_logs " +
+                                      "(id, operation_type, operation_target, operator, operation_time, details) " +
+                                      "VALUES (?, ?, ?, ?, ?, ?)";
+                        try (PreparedStatement logStmt = conn.prepareStatement(logSql)) {
+                            String logId = "LOG" + System.currentTimeMillis();
+                            logStmt.setString(1, logId);
+                            logStmt.setString(2, "修改");
+                            logStmt.setString(3, name);
+                            logStmt.setString(4, "当前用户");
+                            logStmt.setString(5, LocalDateTime.now().toString());
+                            logStmt.setString(6, String.format("修改货物信息：%s，数量：%d，供应商：%s", 
+                                name, quantity, supplier));
+                            
+                            logStmt.executeUpdate();
                         }
                         
-            // 更新表格
+                        // 刷新表格
                         loadGoodsData();
-
-            // 清空输入
                         handleClear();
-
                         showAlert("成功", "货物信息已更新！");
-
+                    } else {
+                        showAlert("错误", "未找到要修改的货物记录！");
+                    }
+                }
+            } catch (SQLException e) {
+                e.printStackTrace();
+                showAlert("错误", "更新失败：" + e.getMessage());
+            }
         } catch (Exception e) {
-            showAlert("错误", "保存失败：" + e.getMessage());
             e.printStackTrace();
+            showAlert("错误", "保存失败：" + e.getMessage());
         }
     }