在excel表java中验证

Question

“如果有人有任何解决方案，请参阅下面的代码并帮助我？

在此代码中没有错误，它的工作正常，但我想按照我的要求添加代码，如： -

我有一张excel表，其中包含考试信息。 SNo，主题，主题，段落是此表的列。

我想在第一行（标题/标题）中验证Excel表格中存在的所有列，或者不表示第一行中的SNo，主题，主题，段落是否存在

我做了一些代码，比如首先浏览excels表并阅读，我也想验证第一行（Heading）请看下面的代码并帮助我： -

喜欢有人有任何解决方案吗？

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;

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

import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;

public class ExcelToJTable extends JFrame {

    static JTable table;
    static JScrollPane scroll;
    static Vector headers = new Vector();
    static DefaultTableModel model = null;
    static Vector data = new Vector();
    static JButton jbClick;
    static JFileChooser jChooser;
    static int tableWidth = 0;
    static int tableHeight = 0;

    public ExcelToJTable() {
        // TODO Auto-generated constructor stub
        super("Import Excel To JTable");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JPanel buttonPanel = new JPanel();
        buttonPanel.setBackground(Color.white);
        jChooser = new JFileChooser();
        jbClick = new JButton("Select Excel File");
        buttonPanel.add(jbClick, BorderLayout.CENTER);

        jbClick.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent arg0) {
                // TODO Auto-generated method stub
                jChooser.showOpenDialog(null);

                File file = jChooser.getSelectedFile();
                if(!file.getName().endsWith("xls")){
                    JOptionPane.showMessageDialog(null, "Please Select Only Excel File.", "Error", JOptionPane.ERROR_MESSAGE);
                }else {
                    fillData(file);
                    model = new DefaultTableModel(data, headers);
                    tableWidth = model.getColumnCount()*150;
                    tableHeight = model.getRowCount()*25;
                    table.setPreferredSize(new Dimension(tableWidth, tableHeight));
                    table.setModel(model);
                }
            }
        });
        table = new JTable();
        table.setAutoCreateRowSorter(true);
        model = new DefaultTableModel(data, headers);

        table.setModel(model);
        table.setBackground(Color.pink);

        table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
        table.setEnabled(false);
        table.setRowHeight(25);
        table.setRowMargin(4);

        tableWidth = model.getColumnCount()*150;
        tableHeight = model.getRowCount()*25;
        table.setPreferredSize(new Dimension(tableWidth, tableHeight));

        scroll = new JScrollPane(table);
        scroll.setBackground(Color.pink);
        scroll.setPreferredSize(new Dimension(300, 300));
        scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
        scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
        getContentPane().add(buttonPanel, BorderLayout.NORTH);
        getContentPane().add(scroll, BorderLayout.CENTER);
        setSize(600, 600);
        setResizable(true);
        setVisible(true);
    }

    void fillData(File file) {
        Workbook workbook = null;
        try {
            try {
                workbook = Workbook.getWorkbook(file);
            } catch (IOException ex) {
                Logger.getLogger(ExcelToJTable.class.getName()).log(
                        Level.SEVERE, null, ex);
            }
            Sheet sheet = workbook.getSheet(0);
            headers.clear();
            for (int i = 0; i < sheet.getColumns(); i++) {
                Cell cell1 = sheet.getCell(i, 0);
                headers.add(cell1.getContents());
            }
            data.clear();
            for (int j = 1; j < sheet.getRows(); j++) {
                Vector d = new Vector();
                for (int i = 0; i < sheet.getColumns(); i++) {
                    Cell cell = sheet.getCell(i, j);
                    d.add(cell.getContents());
                }
                d.add("\n");
                data.add(d);
            }
        } catch (BiffException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        new ExcelToJTable();
    }
}