QQ聊天系统

[java]代码库

package limengjie;



import java.awt.Color;

import java.awt.Font;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame ;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;



public class JqqF extends JFrame implements MouseListener {

	private static final long serialVersionUID = 1L;

	public static void main(String args[]) {
		JqqF f = new JqqF();
		

	}
          
		public static JTextField name = new JTextField(20);
		JLabel nameLab = new JLabel("输入qq号：");
		public  static JPasswordField nam = new JPasswordField(20);
		JLabel nameLa = new JLabel("输入qq密码：");
		String path5 = "pic//x.png";  
	    // 背景图片  
	    ImageIcon background5 = new ImageIcon(path5); 
		cell but = new cell(background5);
		Font fnt = new Font("Serief", Font.BOLD, 15);
		String path4 = "pic//l.png";  
	    
	    ImageIcon background4 = new ImageIcon(path4);  
			 
		//cell bt = new cell(background4);	
	    cell bt = new cell("注册账号");	
		Font fnt1 = new Font("Serief", Font.BOLD, 11);
		
		String path3 = "pic//b.png";  
	    
	    ImageIcon background3 = new ImageIcon(path3);  
			 
	//	cell bt2 = new cell(background3);	
	    cell bt2 = new cell("找回密码");	
		Font fnt2 = new Font("Serief", Font.BOLD, 11);	
		String path2= "pic//qq3.png";  
	    
	    ImageIcon background2= new ImageIcon(path2); 
	    JLabel label2 = new JLabel(background2);
	
	
	public JqqF() {
	    super("qq聊天系统");
	    this.setSize(500, 334);
		this.setLocation(300, 200);
		

		this.setVisible(true);
	    String path = "pic//qq.png";  
        // 背景图片  
        ImageIcon background = new ImageIcon(path);  
        // 把背景图片显示在一个标签里面  
        JLabel label = new JLabel(background);  
        label.setLayout(null);
        // 把标签的大小位置设置为图片刚好填充整个面板  
        label.setBounds(0, 0, this.getWidth(), this.getHeight());  
        // 把内容窗格转化为JPanel，否则不能用方法setOpaque()来使内容窗格透明  
        JPanel imagePanel = (JPanel) this.getContentPane();  
        imagePanel.setOpaque(false);  
        // 把背景图片添加到分层窗格的最底层作为背景  
            
        nameLab.setFont(fnt);
		nameLab.setForeground(Color.blue);
		nameLa.setFont(fnt);
		nameLa.setForeground(Color.blue);
		bt.setFont(fnt1);
		bt.setForeground(Color.black);
		bt2.setFont(fnt2);
		bt2.setForeground(Color.black);

		nameLab.setBounds(160, 120, 100, 30);
		bt.setBounds(360, 120, 88, 25);
		bt.addActionListener(new ActionListener(){

			@Override
			public void actionPerformed(ActionEvent e) {
				register x = new register();
			
				
			}
			
		});
		name.setBounds(250, 120, 108, 25);
		nameLa.setBounds(160, 160, 100, 30);
		nam.setBounds(250, 160, 108, 25);
		bt2.setBounds(360, 160, 88, 25);
		bt2.addActionListener(new ActionListener(){

			@Override
			public void actionPerformed(ActionEvent e) {
				new findpassword();
			
				
			}
			
		});
		//// nam.setColumns(20) ;
		label2.setBounds(65, 120, 88, 83);
		but.setBounds(185, 210, 147, 30);
		but.addMouseListener(this);

		label.add(nameLab);
		label.add(bt);
		label.add(bt2);
		label.add(nam);
		label.add(nameLa);
		label.add(label2);
		label.add(name);
		label.add(but);
		this.getLayeredPane().add(label, new Integer(Integer.MIN_VALUE));  
		this.setResizable(false);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		
		// 让组件可见
	}


	public void mouseClicked(MouseEvent e) {
		char[] a = nam.getPassword();
		String s = new String(a);
		
		//System.out.print(s);
		String b = "1";
		Statement st = null;
		ResultSet rs = null;
		boolean t = false;
		boolean x = false;
		  Connection con =null;
		  
			String sql = "SELECT name,mibao,password FROM qq";
		  try {
			con= new JavaMysql().connnecton();
			st = con.createStatement();
			rs = st.executeQuery(sql);
			
		} catch (ClassNotFoundException e2) {
			// TODO Auto-generated catch block
			e2.printStackTrace();
		} catch (SQLException e2) {
			// TODO Auto-generated catch block
			e2.printStackTrace();
		}
	try {
		while(rs.next()){
			String qq = rs.getString("name");
			String password1 = rs.getString("password");
			if(qq.equals(name.getText())){
				t = true;
				
				if(password1.equals(nam.getText())){
					x = true;
				}
			}
		
			
		}
		con.close();
		st.close();
		rs.close();
	} catch (SQLException e1) {
		// TODO Auto-generated catch block
		e1.printStackTrace();
	}
		if(t){
			if (x) {
				JqqF2 f1 = new JqqF2();
	
				this.setVisible(false);
				f1.setVisible(true);
			} else {
	               new passworderror();
			}
		}else{
			new look();
		}
	}

	@Override
	public void mousePressed(MouseEvent e) {
		// TODO Auto-generated method stub

	}

	@Override
	public void mouseReleased(MouseEvent e) {
		// TODO Auto-generated method stub

	}

	@Override
	public void mouseEntered(MouseEvent e) {
		// TODO Auto-generated method stub

	}

	@Override
	public void mouseExited(MouseEvent e) {
		// TODO Auto-generated method stub

	}

};

[代码运行效果截图]

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