emqs2.java

JAVA的应用连接MYSQL数据库和生成界面的例子

import javax.swing.*; 
import java.awt.*; 
import java.awt.event.*;
public class EMQS2 extends JFrame {

private JLabel W=new JLabel("welcome to use this system",JLabel.CENTER);
private JLabel AA3=new JLabel("欢迎数据库管理员");
private JLabel CC1=new JLabel("检索项目");
private JLabel AAAA1=new JLabel("用户名");
private JLabel BBBB1=new JLabel("密  码");
//private JLabel IMG=new JLabel();
private JTextArea Display=new JTextArea(10,20); 

private JPanel Q=new JPanel();
private JPanel A1=new JPanel();
private JPanel C1=new JPanel();
private JPanel AA1=new JPanel();
private JPanel AA2=new JPanel();
private JPanel CC2=new JPanel();
private JPanel AAA1=new JPanel();
private JPanel AAA2=new JPanel();

private JTextField AAAA2=new JTextField(8);
private JTextField BBBB2=new JTextField(8);
private JButton AAA3=new JButton("登陆");
public EMQS2(){

ImageIcon image = new ImageIcon("AA.jpg"); 
JLabel IMG=new JLabel(image);
JLabel[] CCCC1=new JLabel[4];
CCCC1[0]=new JLabel("作者姓名:");
CCCC1[1]=new JLabel("出版日期:");
CCCC1[2]=new JLabel("所在刊物:");
CCCC1[3]=new JLabel("全文检索:");
 
JTextField[] CCCC2=new JTextField[4];
for( int i=0;i<CCCC2.length;i++)
{CCCC2[i]=new JTextField(12);}

JButton[] CCCC3=new JButton[4];
for( int i=0;i<CCCC3.length;i++)
{CCCC3[i]=new JButton("GO!");}

JPanel[] CCC=new JPanel[4];
for( int i=0;i<CCC.length;i++)
{CCC[i]=new JPanel();
CCC[i].add(CCCC1[i]);
CCC[i].add(CCCC2[i]);
CCC[i].add(CCCC3[i]);}

CC2.setLayout(new BoxLayout(CC2,BoxLayout.Y_AXIS));
for(int i=0;i<4;i++)
{CC2.add(CCC[i]);}

C1.setLayout(new BorderLayout());
C1.add(CC1,BorderLayout.NORTH);
C1.add(CC2,BorderLayout.SOUTH);

AAA1.add(AAAA1);
AAA1.add(AAAA2);
AAA2.add(BBBB1);
AAA2.add(BBBB2);
AA1.setLayout(new BoxLayout(AA1,BoxLayout.Y_AXIS));
AA1.add(AAA1);
AA1.add(AAA2);
AA2.add(AAA3);
A1.setLayout(new BorderLayout());
A1.add(AA3,BorderLayout.NORTH);
A1.add(AA2,BorderLayout.SOUTH);
A1.add(AA1,BorderLayout.CENTER);

Q.setLayout(new BorderLayout());
Q.add(C1,BorderLayout.NORTH);
Q.add(IMG,BorderLayout.CENTER);
Q.add(A1,BorderLayout.SOUTH);

getContentPane().setLayout(new BorderLayout());
getContentPane().add(W,BorderLayout.NORTH);
getContentPane().add(Q,BorderLayout.WEST);
getContentPane().add(Display,BorderLayout.CENTER);

Display.setLineWrap(true);
Display.setEditable(false);
setSize(500,600);
}

public static void main( String args[] ){
EMQS2 f=new EMQS2();
f.setVisible(true);
f.addWindowListener(
new WindowAdapter(){
public void  windowClosing(WindowEvent e){
System.exit(0);}
}
);
}
}