库存查询功能更新，查询库存

src/model/InventoryManager.java

@@ -1,41 +1,62 @@
 package model;
 
-import java.util.HashMap;
+import java.time.LocalDateTime;
-import java.util.Map;
 
 public class InventoryManager {
-    private Map<String, Integer> inventory;
+    private String id;
+    private String goodsId;
+    private int quantity;
+    private String supplier;
+    private LocalDateTime inboundTime;
+    private LocalDateTime outboundTime;
+    private String operator;
+    private String remark;
+    private String customer;
 
-    public InventoryManager() {
+    public InventoryManager(String id, String goodsId, int quantity, String supplier, LocalDateTime inboundTime, LocalDateTime outboundTime, String operator, String remark, String customer) {
-        inventory = new HashMap<>();
+        this.id = id;
+        this.goodsId = goodsId;
+        this.quantity = quantity;
+        this.supplier = supplier;
+        this.inboundTime = inboundTime;
+        this.operator = operator;
+        this.remark = remark;
+        this.customer = customer;
     }
 
-    public void addOrUpdateInventory(String goodsId, int quantity) {
+    public String getId() {
-        inventory.put(goodsId, inventory.getOrDefault(goodsId, 0) + quantity);
+        return id;
     }
 
-    public void removeOrUpdateInventory(String goodsId, int quantity) {
+    public String getGoodsId() {
-        if (inventory.containsKey(goodsId)) {
+        return goodsId;
-            int currentQuantity = inventory.get(goodsId);
-            if (currentQuantity >= quantity) {
-                inventory.put(goodsId, currentQuantity - quantity);
-            } else {
-                throw new IllegalArgumentException("库存不足");
     }
-        } else {
+
-            throw new IllegalArgumentException("货物不存在");
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public String getSupplier() {
+        return supplier;
     }
+
+    public LocalDateTime getInboundTime() {
+        return inboundTime;
+    }
+
+    public LocalDateTime getOutboundTime() {
+        return outboundTime;
     }
 
-    public int getInventoryQuantity(String goodsId) {
+    public String getOperator() {
-        return inventory.getOrDefault(goodsId, 0);
+        return operator;
     }
 
-    public void processInboundRecord(InboundRecord record) {
+    public String getRemark() {
-        addOrUpdateInventory(record.getGoodsId(), record.getQuantity());
+        return remark;
     }
 
-    public void processOutboundRecord(OutboundRecord record) {
+    public String getCustomer() {
-        removeOrUpdateInventory(record.getGoodsId(), record.getQuantity());
+        return customer;
     }
 }

src/view/InventoryView.java

@@ -1,24 +1,28 @@
 package view;
 
+import javafx.application.Platform;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.control.*;
 import javafx.scene.control.cell.PropertyValueFactory;
 import javafx.scene.layout.*;
-import model.Goods;
 import model.InventoryManager;
 
-public class InventoryView extends BorderPane {
+import java.sql.*;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 
+public class InventoryView extends BorderPane {
     private TextField goodsField;
+    private Label resultLabel;
+
+    private TableView<InventoryManager> tableView;
+    private TextField customerField;
     private TextField quantityField;
     private TextField remarkField;
-    private TableView<Goods> tableView;
-    private Label totalValue;
-    private final InventoryManager inventoryManager;
-
     public InventoryView() {
-        inventoryManager = new InventoryManager();
         initializeUI();
     }
 
@@ -27,165 +31,143 @@ public class InventoryView extends BorderPane {
         VBox topArea = createTopArea();
         setTop(topArea);
 
-        // 中间表格区域
+        // 中间结果显示区域
         tableView = createTableView();
         setCenter(tableView);
+    }
+    private TableView<InventoryManager> createTableView() {
+        TableView<InventoryManager> table = new TableView<>();
+
+        TableColumn<InventoryManager, String> idCol = new TableColumn<>("单号");
+        idCol.setCellValueFactory(new PropertyValueFactory<>("id"));
+        idCol.setPrefWidth(150);
+
+        TableColumn<InventoryManager, String> goodsCol = new TableColumn<>("货物名称");
+        goodsCol.setCellValueFactory(new PropertyValueFactory<>("goodsId"));
+        goodsCol.setPrefWidth(120);
 
-        // 底部汇总区域
+        TableColumn<InventoryManager, Integer> quantityCol = new TableColumn<>("数量");
-        HBox bottomArea = createBottomArea();
+        quantityCol.setCellValueFactory(new PropertyValueFactory<>("quantity"));
-        setBottom(bottomArea);
+        quantityCol.setPrefWidth(80);
+
+        TableColumn<InventoryManager, String> supplierCol = new TableColumn<>("供应商");
+        supplierCol.setCellValueFactory(new PropertyValueFactory<>("supplier"));
+        supplierCol.setPrefWidth(120);
+
+        TableColumn<InventoryManager, String> operatorCol = new TableColumn<>("操作人员");
+        operatorCol.setCellValueFactory(new PropertyValueFactory<>("operator"));
+        operatorCol.setPrefWidth(100);
+
+        TableColumn<InventoryManager, String> remarkCol = new TableColumn<>("备注");
+        remarkCol.setCellValueFactory(new PropertyValueFactory<>("remark"));
+        remarkCol.setPrefWidth(150);
+
+        table.getColumns().addAll(idCol, goodsCol, quantityCol, supplierCol, operatorCol, remarkCol);
+        table.setOnMouseClicked(event -> {
+            if (event.getClickCount() == 2) {
+                InventoryManager selectedRecord = table.getSelectionModel().getSelectedItem();
+                if (selectedRecord != null) {
+                    fillFields(selectedRecord);
+                }
             }
+        });
 
+        return table;
+    }
     private VBox createTopArea() {
         VBox topArea = new VBox(10);
         topArea.setPadding(new Insets(10));
 
-        // 第一行：基本信息
+        // 基本信息
         GridPane basicInfo = new GridPane();
         basicInfo.setHgap(10);
         basicInfo.setVgap(10);
 
+        // 第一行：货物名称
         Label goodsLabel = new Label("货物名称：");
         goodsField = new TextField();
         goodsField.setPromptText("请输入货物名称");
 
-        Label quantityLabel = new Label("数量：");
+        basicInfo.addRow(0, goodsLabel, goodsField);
-        quantityField = new TextField();
-        quantityField.setPromptText("请输入数量");
-
-        Label remarkLabel = new Label("备注：");
-        remarkField = new TextField();
-        remarkField.setPromptText("请输入备注信息");
-
-        basicInfo.addRow(0, goodsLabel, goodsField, quantityLabel, quantityField);
-        basicInfo.addRow(1, remarkLabel, remarkField);
 
         // 设置列宽
         ColumnConstraints column1 = new ColumnConstraints();
         column1.setMinWidth(80);
         ColumnConstraints column2 = new ColumnConstraints();
         column2.setMinWidth(200);
-        ColumnConstraints column3 = new ColumnConstraints();
-        column3.setMinWidth(80);
-        ColumnConstraints column4 = new ColumnConstraints();
-        column4.setMinWidth(200);
 
-        basicInfo.getColumnConstraints().addAll(column1, column2, column3, column4);
+        basicInfo.getColumnConstraints().addAll(column1, column2);
 
         // 操作按钮
         HBox buttonBox = new HBox(10);
         buttonBox.setAlignment(Pos.CENTER_RIGHT);
         buttonBox.setPadding(new Insets(10, 0, 0, 0));
 
-        Button addButton = new Button("添加库存");
+        Button queryButton = new Button("查询库存");
-        addButton.setOnAction(e -> handleAdd());
+        queryButton.setOnAction(e -> handleQuery());
 
-        Button clearButton = new Button("清空");
+        buttonBox.getChildren().add(queryButton);
-        clearButton.setOnAction(e -> handleClear());
-
-        buttonBox.getChildren().addAll(addButton, clearButton);
 
         topArea.getChildren().addAll(basicInfo, buttonBox);
         return topArea;
     }
 
-    private TableView<Goods> createTableView() {
+    private void handleQuery() {
-        TableView<Goods> table = new TableView<>();
-
-        TableColumn<Goods, String> idCol = new TableColumn<>("单号");
-        idCol.setCellValueFactory(new PropertyValueFactory<>("id"));
-
-        TableColumn<Goods, String> nameCol = new TableColumn<>("货物名称");
-        nameCol.setCellValueFactory(new PropertyValueFactory<>("name"));
-
-        TableColumn<Goods, Integer> quantityCol = new TableColumn<>("数量");
-        quantityCol.setCellValueFactory(new PropertyValueFactory<>("quantity"));
-
-        TableColumn<Goods, String> remarkCol = new TableColumn<>("备注");
-        remarkCol.setCellValueFactory(new PropertyValueFactory<>("remark"));
-
-        table.getColumns().addAll(idCol, nameCol, quantityCol, remarkCol);
-
-        table.getItems().addListener((javafx.collections.ListChangeListener.Change<? extends Goods> c) -> {
-            updateTotal();
-        });
-
-        return table;
-    }
-
-    private HBox createBottomArea() {
-        HBox bottomArea = new HBox(10);
-        bottomArea.setPadding(new Insets(10));
-        bottomArea.setAlignment(Pos.CENTER_RIGHT);
-
-        Label totalLabel = new Label("库存总数量：");
-        totalValue = new Label("0");
-        Label unitLabel = new Label("件");
-
-        bottomArea.getChildren().addAll(totalLabel, totalValue, unitLabel);
-        return bottomArea;
-    }
-
-    private void updateTotal() {
-        int total = tableView.getItems().stream()
-                .mapToInt(Goods::getQuantity)
-                .sum();
-        totalValue.setText(String.valueOf(total));
-    }
-
-    private void handleAdd() {
-        try {
         String goodsName = goodsField.getText().trim();
-            String quantityText = quantityField.getText().trim();
+        if (goodsName.isEmpty()) {
-            String remark = remarkField.getText().trim();
+            showAlert("错误", "请输入货物名称！");
-
-            // 输入验证
-            if (goodsName.isEmpty() || quantityText.isEmpty()) {
-                showAlert("错误", "请填写完整的库存信息！");
             return;
         }
 
-            int quantity;
+        Platform.runLater(() -> {
             try {
-                quantity = Integer.parseInt(quantityText);
+                String url = "jdbc:sqlite:db/dbuml.db3";
-                if (quantity <= 0) {
+                try (Connection conn = DriverManager.getConnection(url)) {
-                    showAlert("错误", "数量必须大于0！");
+                    // 查询当前库存
-                    return;
+                    String sql = "SELECT * FROM warehouse WHERE goods_id = ?";
+                    try (PreparedStatement stmt = conn.prepareStatement(sql)) {
+                        stmt.setString(1, goodsName);
+                        ResultSet rs = stmt.executeQuery();
+
+                        // 获取当前表格中的数据
+                        ObservableList<InventoryManager> existingData = tableView.getItems();
+                        existingData.clear(); // 清空现有数据
+
+                        boolean found = false;
+                        while (rs.next()) {
+                            String id = rs.getString("id");
+                            String goodsId = rs.getString("goods_id");
+                            int quantity = rs.getInt("quantity");
+                            String supplier = rs.getString("supplier");
+                            String operator = rs.getString("operator");
+                            String remark = rs.getString("remark");
+
+                            InventoryManager record = new InventoryManager(
+                                    id,
+                                    goodsId,
+                                    quantity,
+                                    supplier,
+                                    null, // 入库时间为 null
+                                    null, // 出库时间为 null
+                                    operator,
+                                    remark,
+                                    null // 客户为 null
+                            );
+                            // 将新的记录添加到现有数据中
+                            existingData.add(record);
+                            found = true;
                         }
-            } catch (NumberFormatException e) {
+                        if (!found) {
-                showAlert("错误", "请输入有效的数量！");
+                            showAlert("错误", "未找到该货物！");
-                return;
                         }
-
-            // 创建货物对象
-            String id = String.format("NO%014d", System.currentTimeMillis());
-            Goods goods = new Goods(id, goodsName, quantity, remark);
-
-            // 添加到库存管理器
-            inventoryManager.addOrUpdateInventory(goods.getId(), quantity);
-
-            // 添加到表格
-            tableView.getItems().add(goods);
-
-            // 更新总计
-            updateTotal();
-
-            // 清空输入
-            handleClear();
-
-            showAlert("成功", "库存记录已保存！");
-
-        } catch (Exception e) {
-            showAlert("错误", "保存失败：" + e.getMessage());
                     }
                 }
-
+            } catch (Exception e) {
-    private void handleClear() {
+                e.printStackTrace();
-        goodsField.clear();
+                resultLabel.setText("查询失败：" + e.getMessage());
-        quantityField.clear();
+            }
-        remarkField.clear();
+        });
     }
-
     private void showAlert(String title, String content) {
         Alert alert = new Alert(Alert.AlertType.INFORMATION);
         alert.setTitle(title);
@@ -193,4 +175,12 @@ public class InventoryView extends BorderPane {
         alert.setContentText(content);
         alert.showAndWait();
     }
+
+    // 加填充字段的方法
+  private void fillFields(InventoryManager record) {
+        goodsField.setText(record.getGoodsId());
+        customerField.setText(record.getCustomer());
+        quantityField.setText(String.valueOf(record.getQuantity()));
+        remarkField.setText(record.getRemark());
+    }
 }