Java實現QQ登陸界面，以下是效果截圖：
素材：
以下是源代碼：
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.*;
public classQqClientLogin2 extends JFrame implements MouseListener{
//北部區域標簽，放圖片QQ2012
JLabeljlb;
//中部區域
JPaneljp;
JComboBoxcb;//組合框設置狀態用的
JLabeljp_jlb1,jp_jlb3,jp_jlb4; //標簽"注冊賬號""找回密碼" JTextField jp_jtf; // QQ號碼/手機/郵箱
JTextFieldjp_jtf;// QQ號碼/手機/郵箱
TextFieldjp_pw; //密碼
JCheckBoxjp_jcb1,jp_jcb2;//復選框設置"記住密碼""自動登錄"
Fontf1=new Font("宋體", Font.PLAIN, 14); //設置字體
JButtonjp_jb1,jp_jb2,jp_jb3;//按鈕設置登陸等
public static void main(String[] args) {
QqClientLogin2acl=newQqClientLogin2();
}
public QqClientLogin2() {
jlb=new JLabel(new ImageIcon("image/tou.gif")); //圖片路徑可要根據你放置的位置修改 不然顯示不出來若是和文件放同一個地方則image/ 可以去掉
jp=new JPanel();
jp.setLayout(null);
jp_jlb1=new JLabel(new ImageIcon("image/qqtou.gif"));
jp_jlb1.setBounds(18, 10, 85,85); //設置標簽位置前提是要空布局
jp_jtf=new JTextField("QQ號碼/手機/郵箱");
jp_jtf.setForeground(Color.LIGHT_GRAY);//設置顏色
jp_jtf.addMouseListener(this);
jp_jtf.setBounds(118, 11, 170,25);
jp_pw=new TextField("密碼",24);
jp_pw.setForeground(Color.LIGHT_GRAY);
jp_pw.addMouseListener(this);
jp_pw.setBounds(118, 45, 170,24);
jp_jlb3=new JLabel("注冊賬號");
jp_jlb3.setFont(f1);
jp_jlb3.setForeground(Color.BLUE);
jp_jlb3.setBounds(300, 10, 70,25);
jp_jlb4=new JLabel("找回密碼");
jp_jlb4.setFont(f1);//設置"找回密碼"字體
jp_jlb4.setForeground(Color.BLUE); //設置"找回密碼"字體顏色
jp_jlb4.setBounds(300, 43, 70,25);
String[]s={"在線","隱身","忙碌","離線"}; //設置狀態
cb=new JComboBox(s);
cb.setFont(f1);
cb.setBounds(300, 78, 60,21);
jp_jcb1=new JCheckBox("記住密碼");
jp_jcb1.setFont(f1);
jp_jcb1.setBounds(114, 78, 90,20);
jp_jcb2=new JCheckBox("自動登錄");
jp_jcb2.setFont(f1);
jp_jcb2.setBounds(206, 78, 90,20);
jp_jb1=new JButton("多賬號");
jp_jb1.setFont(f1);
jp_jb1.setBounds(10, 120, 76,21);
jp_jb2=new JButton("設置");
jp_jb2.setFont(f1);
jp_jb2.setBounds(95, 120, 65,21);
jp_jb3=new JButton("登錄");
jp_jb3.setFont(f1);
jp_jb3.setBounds(297, 120, 65,21);
//添加各個組件
jp.add(jp_jlb1);
jp.add(jp_jtf);
jp.add(jp_jlb4);
jp.add(jp_pw);
jp.add(jp_jlb3);
jp.add(cb);
jp.add(jp_jcb1);
jp.add(jp_jcb2);
jp.add(jp_jb1);
jp.add(jp_jb2);
jp.add(jp_jb3);
this.add(jlb,"North");//標簽放到最北部
this.add(jp,BorderLayout.CENTER);// 放到中部
this.setIconImage(new ImageIcon("image/qq.gif").getImage());//設置窗口上的qq小圖片
this.setResizable(false);//不允許放大，改變窗口大小等
this.setSize(380,275);
this.setLocation(500,200);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
}
@Override
public void mouseClicked(MouseEvente) {
// TODO Auto-generated method stub
if(e.getSource()==jp_jtf)
{
jp_jtf.setText("");
jp_jtf.setForeground(Color.BLACK);
}
else if(e.getSource()==jp_pw)
{
jp_pw.setText("");
jp_pw.setForeground(Color.BLACK);
jp_pw.setEchoChar('●');
}
}
@Override
public void mousePressed(MouseEvente) {
// TODO Auto-generated method stub
}
@Override
public voidmouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseEntered(MouseEvente) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvente) {
// TODO Auto-generated method stub
}
}