[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

}

};

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