java 语言中实现勾选jtable表格中一行，点击删除按钮删除这一行同时删除其再文件中对应信息代码

以下是Java语言实现勾选JTable表格中一行，点击删除按钮删除这一行同时删除其在文件中对应信息的示例代码：

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.RandomAccessFile;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

public class DeleteSelectedRow extends JFrame {
    private static final long serialVersionUID = 1L;
    private JTable table;
    private DefaultTableModel model;
    private JButton deleteButton;
    private JCheckBox checkBox;

    public DeleteSelectedRow() {
        setTitle("Delete Selected Rows");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(400, 300);

        // 创建表格
        String[] columnNames = { "Name", "Age", "Gender" };
        Object[][] data = { { "Tom", 20, "Male" }, { "Mary", 25, "Female" }, { "John", 30, "Male" } };
        model = new DefaultTableModel(data, columnNames);
        table = new JTable(model);

        // 添加复选框列
        checkBox = new JCheckBox();
        table.getColumnModel().getColumn(0).setCellEditor(new CheckBoxEditor(checkBox));
        table.getColumnModel().getColumn(0).setCellRenderer(new CheckBoxRenderer());

        // 添加滚动条
        JScrollPane scrollPane = new JScrollPane(table);
        getContentPane().add(scrollPane, BorderLayout.CENTER);

        // 添加删除按钮
        deleteButton = new JButton("Delete");
        deleteButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                int[] selectedRows = table.getSelectedRows();
                for (int i = selectedRows.length - 1; i >= 0; i--) {
                    int row = selectedRows[i];
                    // 删除JTable表格中的行
                    model.removeRow(row);
                    // 删除文件中对应信息
                    try {
                        File file = new File("data.txt");
                        BufferedReader reader = new BufferedReader(new FileReader(file));
                        String line = null;
                        StringBuffer buffer = new StringBuffer();
                        while ((line = reader.readLine()) != null) {
                            if (table.getValueAt(row, 0).equals(line.split(",")[0])) {
                                continue; // 跳过要删除的行
                            }
                            buffer.append(line).append(System.lineSeparator());
                        }
                        reader.close();
                        BufferedWriter writer = new BufferedWriter(new FileWriter(file));
                        writer.write(buffer.toString());
                        writer.close();
                    } catch (IOException ex) {
                        ex.printStackTrace();
                    }
                }
            }
        });
        JPanel panel = new JPanel();
        panel.add(deleteButton);
        getContentPane().add(panel, BorderLayout.SOUTH);
    }

    public static void main(String[] args) {
        DeleteSelectedRow frame = new DeleteSelectedRow();
        frame.setVisible(true);
    }
}

// 复选框渲染器
class CheckBoxRenderer extends JCheckBox implements javax.swing.table.TableCellRenderer {
    private static final long serialVersionUID = 1L;

    public CheckBoxRenderer() {
        setHorizontalAlignment(JCheckBox.CENTER);
    }

    public java.awt.Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
            boolean hasFocus, int row, int column) {
        if (value == null)
            return null;
        setSelected((Boolean) value);
        return this;
    }
}

// 复选框编辑器
class CheckBoxEditor extends JCheckBox implements javax.swing.table.TableCellEditor {
    private static final long serialVersionUID = 1L;

    public CheckBoxEditor(JCheckBox checkBox) {
        super();
        setOpaque(true);
        setHorizontalAlignment(JCheckBox.CENTER);
    }

    public java.awt.Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row,
            int column) {
        if (value == null)
            return null;
        setSelected((Boolean) value);
        return this;
    }

    public Object getCellEditorValue() {
        return new Boolean(isSelected());
    }
}

这个示例程序中，删除按钮的ActionListener中实现了删除JTable表格中勾选的行和文件中对应信息的代码。在删除文件信息时，使用了BufferedReader对象逐行读取文件，并使用StringBuffer对象保存未删除的行，然后使用BufferedWriter对象写入新的文件。这里假设文件中的信息是按行存储的，每行用逗号分隔。如果信息是按列存储的，可以根据具体情况进行修改。