swing JTable

JTable 实例

import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

public class main {
    static JPanel middlePanel;
    
    static void paint() {
         middlePanel = new JPanel(); 
         String[] columnName = { "股票名字", "今日开盘价", "昨日收盘价", "当前价格", "今日最高价","今日最低价", "竞买价",
                             "竞卖价", "成交的股票数", "成交金额", "买一申请", "买一报价", "买二申请", "买二报价", "买三申请",
                             "买三报价","买四申请", "买四报价", "买五申请","买五报价","卖一申请", "卖一报价", "卖二申请", "卖二报价",
                             "卖三申请", "卖三报价","卖四申请", "卖四报价","卖五申请", "卖五报价", "日期", "时间"}; 
         String[][] rowData = { {"大秦铁路","27.55","27.25","26.91", "27.55", "26.20"," 26.91", "26.92","22114263" 
                ,"589824680","4695","26.91","57590","26.90","14700","26.89","14300","26.88","15100","26.87","3100","26.92","8900","26.93",
                "14230","26.94","25150","26.95","15220","26.96","2008-01-11","15:05:32"}, 
         };
         
          // 创建表格
         JTable table = new JTable(new DefaultTableModel(rowData, columnName)); 
         // 创建包含表格的滚动窗格
         JScrollPane scrollPane = new JScrollPane(table);
         scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED); 
         // 定义 topPanel 的布局为 BoxLayout，BoxLayout 为垂直排列
         middlePanel.setLayout(new BoxLayout(middlePanel, BoxLayout.Y_AXIS)); 
         // 先加入一个不可见的 Strut，从而使 topPanel 对顶部留出一定的空间
         middlePanel.add(Box.createVerticalStrut(10)); 
         // 加入包含表格的滚动窗格 
         middlePanel.add(scrollPane); 
    }
    
    public static void main(String[] args) {
        paint();    
         
        JPanel panelContainer = new JPanel(); 
        panelContainer.setLayout(new GridBagLayout()); 
        
        GridBagConstraints c2 = new GridBagConstraints(); 
        c2.gridx = 0; 
        c2.gridy = 10; 
        c2.weightx = 0.4; 
        c2.weighty = 0; 
        c2.fill = GridBagConstraints.HORIZONTAL ; 
             // 加入 middlePanel 
        panelContainer.add(middlePanel,c2); 
        
        
        JFrame frame = new JFrame("Table 演示"); 
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE ); 
        panelContainer.setOpaque(true); 
        frame.setSize(new Dimension(2000, 600)); 
        frame.setContentPane(panelContainer); 
        frame.setVisible(true); 
    }

}