代碼實(shí)現(xiàn)SQL Server數(shù)據(jù)庫表中數(shù)據(jù)輸出到圖形用戶界面_百度文庫

1、代碼實(shí)現(xiàn)SQL Server數(shù)據(jù)庫表中數(shù)據(jù)輸出到圖形用戶界面這個可以實(shí)現(xiàn)。JTable的有一個方法是getTableModel(.返回提供此 JTable 所顯示數(shù)據(jù)的 TableModel. TableModel是一個接口，實(shí)際上返回的是DefaultTableModel類，它實(shí)現(xiàn)了TableModel接口。這個類中有一個方法是void addRow(Object rowData。它就是將一行插入到JTable中。 不過JTable的setValueAt方法應(yīng)該就可以實(shí)現(xiàn)。比如你需要插入100行數(shù)據(jù)，可以在線程的run方法中寫一個循環(huán)，在循環(huán)中寫兩行代碼，一行是setValueAt，一行是刷

2、新JTable，然后再讓線程睡眠，這樣一行一行的顯示的效果就可以出來了！ 可以用進(jìn)度條來打發(fā)等待的時間，就像打開netbeans的那個進(jìn)度條一樣，這個可以用JProgressBar類。import javax.swing.*; import java.awt.event.*; import java.awt.*; import javax.swing.table.*; public class Test extends JFrame implements ActionListener private JButton button1; private JButton button2; priva

3、te JButton button3; private DefaultTableModel model; private JTable table; private JProgressBar bar; private JScrollPane scrollpane; private JPanel panel; public Test( button1=new JButton("演示1" button2=new JButton("演示2" button3=new JButton("清空" panel=new JPanel(; bar=ne

4、w JProgressBar(0,100; String colnames="數(shù)據(jù)一","數(shù)據(jù)二" model=new DefaultTableModel(colnames,100; table=new JTable(model; scrollpane=new JScrollPane(table; panel.setLayout(new FlowLayout(; button1.addActionListener(this; button2.addActionListener(this; button3.addActionListener(this; p

5、anel.add(button1; panel.add(button2; panel.add(button3; panel.add(bar; this.setLayout(new GridLayout(2,1; this.setSize(500,600; this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE; this.add(scrollpane; this.add(panel; public void actionPerformed(ActionEvent e String command=e.getActionCommand(; if(co

6、mmand.equals("演示1" ShowModel show=new ShowModel(true; Thread thread=new Thread(show; thread.start(; else if(command.equals("演示2" ShowModel show=new ShowModel(false; Thread thread=new Thread(show; thread.start(; else String colnames="數(shù)據(jù)一","數(shù)據(jù)二" model=new Defaul

7、tTableModel(colnames,100; table.setModel(model; private class ShowModel implements Runnable private boolean type;/當(dāng)type為true時，則說明是“演示1”的線程，false則相反 public ShowModel(boolean type this.type=type; public void run( if(type/這個就是讓線程睡眠，并且設(shè)置JTable的值 try for(int i=0;i<100;i+ Test.this.table.setValueAt(Str

8、ing.valueOf(i,i,0; Test.this.table.setValueAt(String.valueOf(i,i,1; Thread.sleep(100; catch(Exception e e.printStackTrace(; else/這個就是進(jìn)度條的演示 try Test.this.table.setVisible(false; for(int i=0;i<100;i+ Test.this.table.setValueAt(String.valueOf(i,i,0; Test.this.table.setValueAt(String.valueOf(i,i,1; Test.this.bar.setValue(i+1; Test.this.bar.setString(String.valueOf(i+1+"%" Thread.sleep(40; if(i=99 Test.this.table.setVisible(true; JOptionPane.showMessageDialog(Test.this,"OK" Test.t