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package flowershop.view;
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.FlowLayout;
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import java.awt.Font;
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import java.awt.GridLayout;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.swing.ImageIcon;
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import javax.swing.JButton;
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import javax.swing.JComboBox;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JSeparator;
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import javax.swing.JSplitPane;
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import javax.swing.JTable;
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import javax.swing.ListSelectionModel;
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import javax.swing.SwingConstants;
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import javax.swing.table.TableColumnModel;
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import javax.swing.table.TableModel;
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import flowershop.model.Flower;
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import flowershop.dao.FlowerDao;
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import flowershop.daoimpl.FlowerDaoImpl;
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//商品列表窗口
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public class FlowerListFrame extends MyFrame{
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private JTable table;
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private JLabel lblImage;
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private JLabel lblPrice;
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private JLabel lblDescn;
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//商品列表集合
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private List<Flower> flowers =null;
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//创建商品Dao对象
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private FlowerDao dao = new FlowerDaoImpl();
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// 购物车，键是选择的商品Id，值是商品的数量
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private Map<String,Integer> cart = new HashMap<String,Integer>();
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// 选择的商品索引
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private int selectedRow = -1;
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public FlowerListFrame(String title, int width, int height) {
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super(title, width, height);
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// TODO 自动生成的构造函数存根
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flowers = dao.findAll();
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//添加顶部搜索面板
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getContentPane().add(getSearchPanel(),BorderLayout.NORTH);
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//创建分栏面板
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JSplitPane splitPane = new JSplitPane();
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//设置指定分割条位置，从窗格的左边到分割条的右边
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splitPane.setDividerLocation(600);
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//设置左侧面板
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splitPane.setLeftComponent(getLeftPanel());
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//设置右侧面板
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splitPane.setRightComponent(getRightPanel());
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//把分栏面板添加到内容面板
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getContentPane().add(splitPane,BorderLayout.CENTER);
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}
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//初始化右侧面板
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private JPanel getRightPanel() {
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JPanel rightPanel = new JPanel();
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rightPanel.setBackground(new Color(255, 220, 230));
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rightPanel.setLayout(new GridLayout(2,1,0,20));
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lblImage = new JLabel();
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rightPanel.add(lblImage);
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lblImage.setHorizontalAlignment(SwingConstants.CENTER);
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JPanel detailPanel = new JPanel();
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detailPanel.setBackground(new Color(255, 220, 230));
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rightPanel.add(detailPanel);
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detailPanel.setLayout(new GridLayout(8,1,0,5));
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JSeparator separator_1 = new JSeparator();
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detailPanel.add(separator_1);
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lblPrice = new JLabel();
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detailPanel.add(lblPrice);
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//设置字体
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lblPrice.setFont(new Font("微软雅黑",Font.PLAIN,16));
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lblDescn = new JLabel();
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detailPanel.add(lblDescn);
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//设置字体
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lblDescn.setFont(new Font("微软雅黑",Font.PLAIN,16));
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JSeparator separator_2 = new JSeparator();
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detailPanel.add(separator_2);
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JButton btnAdd = new JButton("添加到购物车");
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btnAdd.setFont(new Font("微软雅黑",Font.PLAIN,15));
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detailPanel.add(btnAdd);
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//布局占位使用
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JLabel lb1 =new JLabel("");
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detailPanel.add(lb1);
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JButton btnCheck = new JButton("查看购物车");
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btnCheck.setFont(new Font("微软雅黑",Font.PLAIN,15));
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detailPanel.add(btnCheck);
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//注册【添加到购物车】按钮的ActionEvent事件监听器
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btnAdd.addActionListener(e ->{
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if(selectedRow <0) {
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return;
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}
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//添加商品到购物车处理
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Flower selectFlower = flowers.get(selectedRow);
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String productid = selectFlower.getProductid();
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if(cart.containsKey(productid)) {//购物车中已经有该商品
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//获得商品数量
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Integer quantity = cart.get(productid);
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cart.put(productid, ++quantity);
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}else {//购物车中还没有还商品
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cart.put(productid, 1);
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}
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System.out.println(cart);
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});
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// //注册【查看到购物车】按钮的ActionEvent事件监听器
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btnCheck.addActionListener(e->{
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CartFrame cartFrame = new CartFrame(cart,this);
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cartFrame.setVisible(true);
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this.setVisible(false);
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});
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return rightPanel;
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}
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//初始化左侧面板
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private JScrollPane getLeftPanel() {
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JScrollPane leftScrollPane = new JScrollPane();
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//将表格作为滚动面板的各个视口试图
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leftScrollPane.setViewportView(getTable());
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return leftScrollPane;
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}
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//初始化左侧面板中的表格控件
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private JTable getTable() {
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FlowerTableModel model = new FlowerTableModel(this.flowers);
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if(table == null) {
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table = new JTable(model);
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//设置表中内容字体
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table.setFont(new Font("微软雅黑",Font.PLAIN,16));
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//设置表列标题字体
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table.getTableHeader().setFont(new Font("微软雅黑",Font.PLAIN,16));
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//设置表行高
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table.setRowHeight(51);
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table.setRowSelectionAllowed(true);
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table.setBackground(new Color(250,220,230));
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table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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ListSelectionModel rowSelectionModel = table.getSelectionModel();
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rowSelectionModel.addListSelectionListener(e ->{
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//只处理鼠标释放
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if(e.getValueIsAdjusting()) {
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return;
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}
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ListSelectionModel lsm = (ListSelectionModel) e.getSource();
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selectedRow = lsm.getMinSelectionIndex();
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if(selectedRow < 0) {
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return;
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}
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//更新右侧面板内容
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Flower f = flowers.get(selectedRow);
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String petImage = String.format("/image/%s",f.getImage());
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ImageIcon icon = new ImageIcon(FlowerListFrame.class.getResource(petImage));
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lblImage.setIcon(icon);
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String descn = f.getDescn();
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lblDescn.setText("花语: "+ descn);
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double price = f.getPrice();
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String sprice = String.format("单支价格：%.2f",price);
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lblPrice.setText(sprice);
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});
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}else {
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table.setModel(model);
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}
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return table;
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}
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//初始化搜索面板
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private JPanel getSearchPanel() {
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//TODO
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JPanel searchPanel = new JPanel();
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searchPanel.setBackground(new Color(255, 220, 230));
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FlowLayout flowLayout = (FlowLayout) searchPanel.getLayout();
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flowLayout.setVgap(20);
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flowLayout.setHgap(40);
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JLabel lbl = new JLabel("请选择花卉类别：");
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lbl.setFont(new Font("微软雅黑",Font.PLAIN,15));
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searchPanel.add(lbl);
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String[] categorys= {"春季花卉","夏季花卉","秋季花卉","冬季花卉"};
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JComboBox comboBox = new JComboBox(categorys);
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comboBox.setFont(new Font("微软雅黑",Font.PLAIN,15));
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searchPanel.add(comboBox);
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JButton btnGo = new JButton("查询");
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btnGo.setFont(new Font("微软雅黑", Font.PLAIN, 15));
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searchPanel.add(btnGo);
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JButton btnReset = new JButton("重置");
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btnReset.setFont(new Font("微软雅黑",Font.PLAIN,15));
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searchPanel.add(btnReset);
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//注册查询按钮的ActionEvent事件监听器
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btnGo.addActionListener(e ->{
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//所选择的类别
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String category = (String) comboBox.getSelectedItem();
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//按照类别查询
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flowers = dao.findByCategory(category);
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TableModel model = new FlowerTableModel(flowers);
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table.setModel(model);
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});
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// 注册重置按钮的ActionEvent事件监听器
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btnReset.addActionListener(e -> {
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flowers = dao.findAll();
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TableModel model = new FlowerTableModel(flowers);
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table.setModel(model);
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});
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return searchPanel;
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}
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}
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