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package view;
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import javafx.geometry.Insets;
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import javafx.geometry.Pos;
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import javafx.scene.control.*;
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import javafx.scene.control.cell.PropertyValueFactory;
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import javafx.scene.layout.*;
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import model.Goods;
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import model.InventoryManager;
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public class InventoryView extends BorderPane {
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private TextField goodsField;
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private TextField quantityField;
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private TextField remarkField;
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private TableView<Goods> tableView;
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private Label totalValue;
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private final InventoryManager inventoryManager;
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public InventoryView() {
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inventoryManager = new InventoryManager();
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initializeUI();
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}
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private void initializeUI() {
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// 顶部操作区域
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VBox topArea = createTopArea();
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setTop(topArea);
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// 中间表格区域
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tableView = createTableView();
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setCenter(tableView);
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// 底部汇总区域
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HBox bottomArea = createBottomArea();
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setBottom(bottomArea);
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}
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private VBox createTopArea() {
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VBox topArea = new VBox(10);
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topArea.setPadding(new Insets(10));
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// 第一行：基本信息
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GridPane basicInfo = new GridPane();
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basicInfo.setHgap(10);
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basicInfo.setVgap(10);
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Label goodsLabel = new Label("货物名称：");
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goodsField = new TextField();
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goodsField.setPromptText("请输入货物名称");
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Label quantityLabel = new Label("数量：");
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quantityField = new TextField();
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quantityField.setPromptText("请输入数量");
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Label remarkLabel = new Label("备注：");
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remarkField = new TextField();
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remarkField.setPromptText("请输入备注信息");
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basicInfo.addRow(0, goodsLabel, goodsField, quantityLabel, quantityField);
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basicInfo.addRow(1, remarkLabel, remarkField);
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// 设置列宽
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ColumnConstraints column1 = new ColumnConstraints();
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column1.setMinWidth(80);
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ColumnConstraints column2 = new ColumnConstraints();
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column2.setMinWidth(200);
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ColumnConstraints column3 = new ColumnConstraints();
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column3.setMinWidth(80);
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ColumnConstraints column4 = new ColumnConstraints();
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column4.setMinWidth(200);
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basicInfo.getColumnConstraints().addAll(column1, column2, column3, column4);
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// 操作按钮
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HBox buttonBox = new HBox(10);
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buttonBox.setAlignment(Pos.CENTER_RIGHT);
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buttonBox.setPadding(new Insets(10, 0, 0, 0));
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Button addButton = new Button("添加库存");
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addButton.setOnAction(e -> handleAdd());
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Button clearButton = new Button("清空");
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clearButton.setOnAction(e -> handleClear());
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buttonBox.getChildren().addAll(addButton, clearButton);
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topArea.getChildren().addAll(basicInfo, buttonBox);
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return topArea;
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}
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private TableView<Goods> createTableView() {
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TableView<Goods> table = new TableView<>();
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TableColumn<Goods, String> idCol = new TableColumn<>("货物ID");
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idCol.setCellValueFactory(new PropertyValueFactory<>("id"));
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TableColumn<Goods, String> nameCol = new TableColumn<>("货物名称");
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nameCol.setCellValueFactory(new PropertyValueFactory<>("name"));
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TableColumn<Goods, Integer> quantityCol = new TableColumn<>("数量");
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quantityCol.setCellValueFactory(new PropertyValueFactory<>("quantity"));
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TableColumn<Goods, String> remarkCol = new TableColumn<>("备注");
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remarkCol.setCellValueFactory(new PropertyValueFactory<>("remark"));
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table.getColumns().addAll(idCol, nameCol, quantityCol, remarkCol);
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table.getItems().addListener((javafx.collections.ListChangeListener.Change<? extends Goods> c) -> {
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updateTotal();
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});
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return table;
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}
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private HBox createBottomArea() {
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HBox bottomArea = new HBox(10);
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bottomArea.setPadding(new Insets(10));
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bottomArea.setAlignment(Pos.CENTER_RIGHT);
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Label totalLabel = new Label("库存总数量：");
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totalValue = new Label("0");
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Label unitLabel = new Label("件");
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bottomArea.getChildren().addAll(totalLabel, totalValue, unitLabel);
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return bottomArea;
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}
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private void updateTotal() {
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int total = tableView.getItems().stream()
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.mapToInt(Goods::getQuantity)
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.sum();
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totalValue.setText(String.valueOf(total));
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}
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private void handleAdd() {
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try {
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String goodsName = goodsField.getText().trim();
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String quantityText = quantityField.getText().trim();
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String remark = remarkField.getText().trim();
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// 输入验证
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if (goodsName.isEmpty() || quantityText.isEmpty()) {
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showAlert("错误", "请填写完整的库存信息！");
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return;
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}
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int quantity;
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try {
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quantity = Integer.parseInt(quantityText);
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if (quantity <= 0) {
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showAlert("错误", "数量必须大于0！");
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return;
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}
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} catch (NumberFormatException e) {
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showAlert("错误", "请输入有效的数量！");
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return;
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}
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// 创建货物对象
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String id = "G" + System.currentTimeMillis();
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Goods goods = new Goods(id, goodsName, quantity, remark);
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// 添加到库存管理器
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inventoryManager.addOrUpdateInventory(goods.getId(), quantity);
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// 添加到表格
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tableView.getItems().add(goods);
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// 更新总计
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updateTotal();
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// 清空输入
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handleClear();
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showAlert("成功", "库存记录已保存！");
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} catch (Exception e) {
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showAlert("错误", "保存失败：" + e.getMessage());
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}
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}
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private void handleClear() {
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goodsField.clear();
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quantityField.clear();
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remarkField.clear();
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}
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private void showAlert(String title, String content) {
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Alert alert = new Alert(Alert.AlertType.INFORMATION);
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alert.setTitle(title);
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alert.setHeaderText(null);
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alert.setContentText(content);
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alert.showAndWait();
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}
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}
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