ADD file via upload

ClassmPanel.java

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+package com.WR.StudentMS.view;
+
+import javax.swing.*;
+import javax.swing.table.DefaultTableModel;
+import java.awt.*;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import com.WR.StudentMS.model.Classmqsy;
+import com.WR.StudentMS.model.ZhuanyeWR;
+import com.WR.StudentMS.dao.mysql.Classmdaoimpqsy;
+
+public class ClassmPanel extends JPanel {
+	  private List<Classmqsy> classmList;
+	    private Classmdaoimpqsy classmDao;
+	    private JTable table;
+	    private DefaultTableModel model;
+	    private JTextField searchField;
+	    private JButton searchButton;
+
+    public ClassmPanel() {
+    	super(new BorderLayout()); // 使用BorderLayout布局管理器
+        classmDao = new Classmdaoimpqsy();
+        model = new DefaultTableModel();
+        initializeUI();
+        loadClass();
+    }
+
+    private void initializeUI() {
+    	// 定义列名
+        String[] columnNames = {"班级ID", "班级名", "专业ID"};
+        model.setColumnIdentifiers(columnNames);
+        table = new JTable(model);
+
+        JScrollPane scrollPane = new JScrollPane(table);
+        add(scrollPane, BorderLayout.CENTER);
+
+     // 创建按钮面板
+        JPanel buttonPanel = new JPanel();
+        buttonPanel.setLayout(new FlowLayout());
+
+        // 添加按钮
+        JButton addButton = new JButton("添加班级信息");
+        JButton deleteButton = new JButton("删除选中的班级信息");
+        
+     // 创建搜索框和搜索按钮
+        searchField = new JTextField();
+        searchField.setPreferredSize(new Dimension(200, searchField.getPreferredSize().height));        
+        searchButton = new JButton("班级ID查询");
+
+        // 为按钮添加事件监听器
+        addButton.addActionListener(e -> addClass());
+        deleteButton.addActionListener(e -> deleteSelectedClass());      
+        searchButton.addActionListener(e -> searchClasses());
+
+        // 将按钮添加到面板
+        buttonPanel.add(addButton);
+        buttonPanel.add(deleteButton);
+        buttonPanel.add(searchField);
+        buttonPanel.add(searchButton); // 添加搜索按钮到面板
+
+        // 将按钮面板添加到底部
+        add(buttonPanel, BorderLayout.SOUTH);
+        
+    
+    
+    }
+
+    private void loadClass() {
+        // 从数据库加载学籍信息并更新表格
+        classmList = classmDao.findAllqsy();
+        model.setRowCount(0); // 清空表格
+        for (Classmqsy classm : classmList) {
+            Object[] rowData = new Object[]{
+                    classm.getClassidqsy(),
+                    classm.getClassnameqsy(),
+                    classm.getMajoridqsy(),
+                 
+            };
+            model.addRow(rowData);
+        }
+    }
+
+
+    private void addClass() {
+        String input = (String) JOptionPane.showInputDialog(
+            this,
+            "请输入班级信息（格式：班级ID-班级名-专业ID）:",
+            "添加班级信息",
+            JOptionPane.QUESTION_MESSAGE,
+            null,
+            null,
+            null
+        );
+        if (input != null && !input.trim().isEmpty()) {
+            String[] parts = input.split("-", 3); // 按"-"分割字符串，最多3部分
+            if (parts.length == 3) {
+                try {
+                    Classmqsy newClassm = new Classmqsy();
+                    newClassm.setClassidqsy(parts[0].trim());
+                    newClassm.setClassnameqsy(parts[1].trim());
+                    newClassm.setMajoridqsy(parts[2].trim());
+
+                    // 调用数据库添加班级信息的方法
+                    int result = classmDao.createqsy(newClassm);
+                    // 确保在EDT上更新UI和显示消息
+                    SwingUtilities.invokeLater(new Runnable() {
+                        @Override
+                        public void run() {
+                            if (result > 0) {
+                                // 刷新班级列表
+                                loadClass();
+                                JOptionPane.showMessageDialog(ClassmPanel.this, "班级信息添加成功！");
+                            } else {
+                                // 显示添加失败的消息
+                                JOptionPane.showMessageDialog(ClassmPanel.this, "班级信息添加失败！");
+                            }
+                        }
+                    });
+                } catch (NumberFormatException e) {
+                    // 专业ID格式错误
+                    JOptionPane.showMessageDialog(this, "专业ID必须是整数！");
+                } catch (Exception e) {
+                    // 其他异常情况
+                    JOptionPane.showMessageDialog(this, "添加班级信息失败: " + e.getMessage(), "错误", JOptionPane.ERROR_MESSAGE);
+                }
+            } else {
+                // 输入格式不正确
+                JOptionPane.showMessageDialog(this, "输入格式不正确，需要班级ID-班级名-专业ID！");
+            }
+        }
+    }
+    private void deleteSelectedClass() {
+        int selectedRow = table.getSelectedRow();
+        if (selectedRow >= 0) {
+            String classmId = (String) model.getValueAt(selectedRow, 0);
+            Classmqsy classmToDelete = classmDao.findByClassId(classmId);
+            if (classmToDelete != null) {
+                int result = classmDao.removeqsy(classmToDelete);
+                SwingUtilities.invokeLater(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (result > 0) {
+                            model.removeRow(selectedRow); // 从表格中移除
+                            JOptionPane.showMessageDialog(ClassmPanel.this, "班级信息删除成功！");
+                        } else {
+                            JOptionPane.showMessageDialog(ClassmPanel.this, "班级信息删除失败，可能班级ID不存在或删除记录未受影响！");
+                        }
+                    }
+                });
+            } else {
+                JOptionPane.showMessageDialog(this, "未找到对应的班级信息！");
+            }
+        }
+    }
+    
+    private void searchClasses() {
+        String searchQuery = searchField.getText();
+        if (!searchQuery.trim().isEmpty()) {
+            // 过滤班级列表，仅根据班级ID进行搜索
+            List<Classmqsy> filteredList = classmList.stream()
+                .filter(classm -> classm.getClassidqsy().equals(searchQuery)) // 仅根据班级ID过滤
+                .collect(Collectors.toList());
+
+            // 更新表格模型以显示过滤后的班级信息
+            model.setRowCount(0); // 清空表格
+            for (Classmqsy classm : filteredList) {
+                Object[] rowData = new Object[]{
+                    classm.getClassidqsy(),
+                    classm.getClassnameqsy(),
+                    classm.getMajoridqsy()
+                };
+                model.addRow(rowData);
+            }
+        } else {
+            // 如果搜索框为空，则重新加载所有班级信息
+            loadClass();
+        }
+    }
+    
+}
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