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);
     }
 
 }