【Eclipse设计】Excel表格的读写功能

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

public class ExcelReadWriteProgram {
    private Display display;
    private Shell shell;

    public static void main(String\[\] args) {
        ExcelReadWriteProgram program = new ExcelReadWriteProgram();
        program.run();
    }

    public void run() {
        display = new Display();
        shell = new Shell(display);
        shell.setText("Excel Read/Write Program");
        shell.setLayout(new GridLayout(2, false));

        Label fileLabel = new Label(shell, SWT.NONE);
        fileLabel.setText("选择Excel文件：");
        GridData fileLabelData = new GridData(SWT.FILL, SWT.CENTER, false, false);
        fileLabel.setLayoutData(fileLabelData);

        Button fileButton = new Button(shell, SWT.PUSH);
        fileButton.setText("浏览");
        GridData fileButtonData = new GridData(SWT.FILL, SWT.CENTER, false, false);
        fileButton.setLayoutData(fileButtonData);
        fileButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
                fileDialog.setFilterExtensions(new String\[\] { "*.xls", "*.xlsx" });
                String filePath = fileDialog.open();
                if (filePath != null) {
                    // 执行读取Excel文件的操作
                    readExcel(filePath);
                }
            }
        });

        Button writeButton = new Button(shell, SWT.PUSH);
        writeButton.setText("写入Excel");
        GridData writeButtonData = new GridData(SWT.FILL, SWT.CENTER, false, false);
        writeButtonData.horizontalSpan = 2;
        writeButton.setLayoutData(writeButtonData);
        writeButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                // 执行写入Excel文件的操作
                writeExcel();
            }
        });

        Button splitButton = new Button(shell, SWT.PUSH);
        splitButton.setText("拆分Excel");
        GridData splitButtonData = new GridData(SWT.FILL, SWT.CENTER, false, false);
        splitButtonData.horizontalSpan = 2;
        splitButton.setLayoutData(splitButtonData);
        splitButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                // 执行拆分Excel文件的操作
                splitExcel();
            }
        });

        shell.pack();
        shell.open();

        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }

        display.dispose();
    }

    private void readExcel(String filePath) {
        // 实现读取Excel文件的逻辑
        // 可以使用Apache POI等开源库来读取Excel文件
        // 读取的数据可以展示在SWT的Table或者其他控件中
    }

    private void writeExcel() {
        // 实现写入Excel文件的逻辑
        // 可以使用Apache POI等开源库来写入Excel文件
        // 可以通过SWT的输入框或者其他控件获取用户输入的数据
    }

    private void splitExcel() {
        // 实现拆分Excel文件的逻辑
        // 可以使用Apache POI等开源库来读取和写入Excel文件
        // 可以通过SWT的输入框或者其他控件获取用户输入的拆分条件
    }
}