c027dd25ad6a001d1e16b35a5f0b3041

里面所含源码是本人平时做程序的一些实例

package ch13;

import java.sql.*; 
import javax.swing.*;
import java.awt.*;
import javax.swing.JTabbedPane;

public class TestDB extends JFrame{ 
	public static void main(String[] args) { 
		String driverName = "com.microsoft.jdbc.sqlserver.SQLServerDriver"; 
		String dbURL = "jdbc:microsoft:sqlserver://localhost:1433; DatabaseName=pubs"; 
		String userName = "sa"; 
		String userPwd = ""; 
		Connection dbConn; 
		
		try { 
			Class.forName(driverName); 
			dbConn = DriverManager.getConnection(dbURL, userName, userPwd); 
			System.out.println("Connection Successful!"); 
		} 
		catch(Exception e){ 
			e.printStackTrace(); 
		} 
	} 
	public TestDB(){
		JTabbedPane tabPane=new JTabbedPane(JTabbedPane.TOP);
		Container contPane=this.getContentPane();
		JPanel jp1=new JPanel();
		JPanel jp2=new JPanel(new GridLayout(1,2),true);
		JButton btn1=new JButton();
		JButton btn2=new JButton();
		jp1.add(btn1,"Center");
		jp1.add(btn2,"South");
		JLabel lbl1=new JLabel("中国");
		JLabel lbl2=new JLabel("美国");
		jp2.add(lbl1);
		jp2.add(lbl2);
		JScrollPane jsp=new JScrollPane(jp1);
		jsp.setVerticalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
		tabPane.add("按钮",jp1);
		tabPane.add("标签",jp2);
		contPane.add(tabPane);
		this.setTitle("复合面板演示");
		this.pack();
		this.setVisible(true);
		
	}
}