java高仿qq(微信）界面javaqq44716544的博客-

这里代码主要实现的是一套聊天系统的ui界面，下载源代码链接https://download.csdn.net/download/qq_44716544/12352588

运行效果如下：

代码如下：

 //启动页的代码 import java.awt.event.ActionEvent; import java.awt.event.ActionListener;  import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel;     public class Startpage  extends JFrame  implements ActionListener{   private JLabel imagelabel=new JLabel();  public static void main(String[] args) {   // TODO Auto-generated method stub   new Startpage();     }   @Override  public void actionPerformed(ActionEvent e) {   // TODO Auto-generated method stub  } public Startpage(){  this.setTitle("联系人");  this.setLocation(500, 150);  this.setSize(500, 800);  this.setLayout(null);  this.setDefaultCloseOperation(EXIT_ON_CLOSE);    ImageIcon image=new ImageIcon("image/启动页.png");      imagelabel = new JLabel(image);      imagelabel.setBounds(0,0,485,800);      this.add(imagelabel);      this.setVisible(true);                         B b=new B();          try{     Thread.sleep(1800);     b.start();     }catch(InterruptedException e){      e.printStackTrace();     } }  class B extends Thread{  public void run(){   Startpage.this.dispose();   new UserLogin();      }     }}

 //登陆页的代码 import info.User; import java.awt.Color; import java.awt.Font; import java.awt.Image; import java.awt.BorderLayout; import java.awt.event.ActionListener; import java.awt.image.*; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPasswordField; import javax.swing.JTextField; import java.awt.event.ActionEvent; import javax.swing.ImageIcon;  public class UserLogin extends JFrame  implements ActionListener{     private JTextField fieldAccount = new JTextField();   private JPasswordField fieldPassword = new JPasswordField();   private JButton buttonLogin = new JButton("登   陆");   private JButton buttonRegister = new JButton("立即注册>");      private JLabel imagelabel=new JLabel();      public static void main(String[] args) {        new UserLogin();         }    public UserLogin() {    this.setTitle("用户登陆");    this.setLocation(500, 150);    this.setSize(500, 800);    this.setLayout(null);    this.setDefaultCloseOperation(EXIT_ON_CLOSE);    this.setResizable(false);            ImageIcon image=new ImageIcon("image/登录页.jpg");        imagelabel = new JLabel(image);        imagelabel.setBounds(0,0,500,800);                        JLabel labelAccount = new JLabel("账  号");    labelAccount.setAlignmentY(CENTER_ALIGNMENT);    labelAccount.setBounds(90, 325, 50, 40);    fieldAccount.setBounds(175, 325, 175, 40);    //fieldAccount.setOpaque(false);    //fieldAccount.setBorder(null);       labelAccount.setForeground(Color.blue);    labelAccount.setBackground(new Color(30, 144, 255));    this.getContentPane().add(labelAccount);    this.getContentPane().add(fieldAccount);     JLabel labelPwd = new JLabel("密  码");    labelPwd.setAlignmentY(CENTER_ALIGNMENT);    labelPwd.setBounds(90, 400, 50, 40);    fieldPassword.setBounds(175, 400, 175, 40);    //fieldPassword.setOpaque(false);    //fieldPassword.setBorder(null);       labelPwd.setForeground(Color.blue);    labelPwd.setBackground(new Color(30, 144, 255));    this.getContentPane().add(labelPwd);    this.getContentPane().add(fieldPassword, BorderLayout.CENTER);       buttonRegister.setBounds(175, 650, 150, 40);    buttonRegister.setForeground(Color.blue);    buttonRegister.setBackground(new Color(30, 144, 255));    buttonRegister.setOpaque(false);    buttonRegister.setBorder(null);       this.getContentPane().add(buttonRegister);    buttonRegister.addActionListener(this);            buttonLogin.setBounds(175, 475, 150, 40);    buttonLogin.setForeground(Color.white);       buttonLogin.setBackground(new Color(30, 144, 255));      // buttonLogin.setOpaque(false);       //buttonLogin.setBorder(null);       this.getContentPane().add(buttonLogin);    buttonLogin.addActionListener(this);                           this.add(imagelabel);    this.setVisible(true);       }      public void actionPerformed(ActionEvent e) {      if (e.getSource() == buttonLogin){     String account = fieldAccount.getText();     String password = new String(fieldPassword.getPassword());          User user = verifyAccount(account, password);     if( user != null){      new Message();      this.dispose();      }      else{       JOptionPane.showMessageDialog(null, "身份错误");}      }     else{      JOptionPane.showMessageDialog(this, "账号或密码错误");      fieldPassword.setText(null);      }        if (e.getSource() == buttonRegister){     new UserRegister();     this.dispose();    }        }       private User verifyAccount(String account, String password) {   // 这里固定用户名和密码为 XXX/XXX   if(account.equals("XXX") && password.equals("XXX")){    User user = new User();    user.setId(1);           return user;   }   return null;    } }      //注册页的代码  import java.awt.BorderLayout; import java.awt.Color;  import javax.swing.ImageIcon;  import javax.swing.JButton;  import javax.swing.JFrame;  import javax.swing.JLabel; import javax.swing.JOptionPane;  import javax.swing.JPasswordField;  import javax.swing.JTextField;     import java.awt.event.ActionEvent; import java.awt.event.ActionListener;    public class UserRegister extends JFrame  implements ActionListener{      private JTextField fieldAccount = new JTextField();   private JPasswordField fieldPassword = new JPasswordField();  // private JVerificationcodeField fieldVerificationcode = new JVerificationcodeField();   private JButton buttonLogin = new JButton("立即登入>");   private JButton buttonRegister = new JButton("注    册");     private JButton buttonVerificationcode = new JButton("获取验证码");   private JTextField Verificationcode =new JTextField();    private JLabel imagelabel=new JLabel();      public static void main(String[] args) {        new UserRegister();    }    public UserRegister() {    this.setTitle("联系人");    this.setLocation(500, 150);    this.setSize(500, 800);    this.setLayout(null);    this.setDefaultCloseOperation(EXIT_ON_CLOSE);    this.setResizable(false);        ImageIcon image=new ImageIcon("image/登录页.jpg");        imagelabel = new JLabel(image);        imagelabel.setBounds(0,0,500,800);                               JLabel labelAccount = new JLabel("请输入账号");    labelAccount.setAlignmentY(CENTER_ALIGNMENT);    labelAccount.setBounds(75, 300, 100, 40);    fieldAccount.setBounds(175, 300, 150, 40);    this.getContentPane().add(labelAccount);    this.getContentPane().add(fieldAccount);     JLabel labelVerificationcode = new JLabel("验证码");        labelVerificationcode.setAlignmentY(CENTER_ALIGNMENT);    labelVerificationcode.setBounds(85, 350, 100, 40);    Verificationcode.setBounds(175, 350, 150, 40);    this.getContentPane().add(labelVerificationcode);    this.getContentPane().add(Verificationcode);   //this.getContentPane().add(fieldVerificationcode, BorderLayout.CENTER);            JLabel labelPwd = new JLabel("密码");    labelPwd.setAlignmentY(CENTER_ALIGNMENT);    labelPwd.setBounds(100, 400, 100, 40);    fieldPassword.setBounds(175, 400, 150, 40);    this.getContentPane().add(labelPwd);    this.getContentPane().add(fieldPassword, BorderLayout.CENTER);           buttonLogin.setBounds(175, 700, 150, 40);    buttonLogin.setForeground(Color.blue);    buttonLogin.setBackground(new Color(30, 144, 255));    buttonLogin.setOpaque(false);    buttonLogin.setBorder(null);    this.getContentPane().add(buttonLogin);    buttonLogin.addActionListener(this);        buttonRegister.setBounds(175, 500, 150, 40);    buttonRegister.setForeground(Color.white);    buttonRegister.setBackground(new Color(30, 144, 255));    this.getContentPane().add(buttonRegister);    buttonRegister.addActionListener(this);        buttonVerificationcode.setBounds(325, 350, 100, 40);    buttonVerificationcode.setForeground(Color.blue);    buttonVerificationcode.setBackground(new Color(30, 144, 255));    buttonVerificationcode.setOpaque(false);    buttonVerificationcode.setBorder(null);     this.getContentPane().add(buttonVerificationcode);         this.add(imagelabel);    this.setVisible(true);    }       public void actionPerformed(ActionEvent e) {            if (e.getSource() == buttonLogin){     new UserLogin();     this.dispose();    }    else{}        }      }                                                 

 //消息页的代码 import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;  import javax.swing.BorderFactory; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.JTextField;      public class Message extends JFrame  implements ActionListener{       /**   *    */  private static final long serialVersionUID = 7136204159396117422L;  //private JButton buttonSearch = new JButton("搜索");  private JButton buttonNews = new JButton("消息");  private JButton buttonContacts = new JButton("联系人");  private JButton buttonMe = new JButton("我的");   private JLabel liaotian=new JLabel("聊天");  private JTextField search = new JTextField();  private JLabel labelnews=new JLabel();  private JLabel labelcontacts=new JLabel();  private JLabel labelme=new JLabel();   private JLabel imagelabel=new JLabel();      private JLabel biaoqianlan=new JLabel();//标签栏背景   public static void main(String[] args) {             new Message();}       public Message() {   this.setTitle("消息");      this.setLocation(500, 150);      this.setSize(500, 800);            this.setDefaultCloseOperation(EXIT_ON_CLOSE);   this.setLayout(null);      ImageIcon image=new ImageIcon("image/背景图片.png");       imagelabel = new JLabel(image);       imagelabel.setBounds(0,0,485,800);              ImageIcon image8=new ImageIcon("image/标签栏背景.png");    biaoqianlan = new JLabel(image8);    biaoqianlan.setBounds(0, 655, 500, 100);              ImageIcon image1=new ImageIcon("image/消息图标1.png");       labelnews = new JLabel(image1);       labelnews.setBounds(27,620,70,135);       this.add(labelnews);             ImageIcon image2=new ImageIcon("image/联系人图标1.png");      labelcontacts = new JLabel(image2);      labelcontacts.setBounds(202,620,70,135);       this.add(labelcontacts);              ImageIcon image3=new ImageIcon("image/我的图标1.png");       labelme = new JLabel(image3);       labelme.setBounds(375,620,70,135);        this.add(labelme);                liaotian.setBounds(212, 2, 50, 40);        liaotian.setFont(new Font("微软雅黑",Font.PLAIN,18));        this.add(liaotian);       search.setBounds(25, 55, 450, 45);   search.setOpaque(false);   search.setBorder(null);     this.getContentPane().add(search);   search.setText("搜索");        buttonNews.setBounds(25, 675, 75, 90);   buttonNews.setForeground(Color.blue);   buttonNews.setBackground(new Color(30, 144, 255));   buttonNews.setOpaque(false);   buttonNews.setBorder(null);      this.getContentPane().add(buttonNews);       buttonNews.addActionListener(this);       buttonContacts.setBounds(200, 675, 75, 90);   buttonContacts.setForeground(Color.gray);   buttonContacts.setBackground(new Color(30, 144, 255));   buttonContacts.setOpaque(false);   buttonContacts.setBorder(null);      this.getContentPane().add(buttonContacts);   buttonContacts.addActionListener(this);        buttonMe.setBounds(375, 675, 75, 90);   buttonMe.setForeground(Color.gray);   buttonMe.setBackground(new Color(30, 144, 255));   buttonMe.setOpaque(false);   buttonMe.setBorder(null);      this.getContentPane().add(buttonMe);   buttonMe.addActionListener(this);             this.add(biaoqianlan);   this.add(imagelabel);   this.setVisible(true);     }      public void actionPerformed(ActionEvent e) {        if (e.getSource() == buttonContacts){    new ChatDetails();    this.dispose();   }   else if(e.getSource() == buttonMe){    new Me();    this.dispose();   }           }      }       //我的页代码 import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;  import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable;  public class Me  extends JFrame  implements ActionListener{   private JButton buttonHeadportrait = new JButton();//头像  private JButton buttondynamic = new JButton();//动态  private JButton buttondata= new JButton();//资料  private JButton buttonSetup= new JButton();//设置    private JLabel labeldynamic=new JLabel("动态");  private JLabel labelsetup=new JLabel("设置");  private JLabel labeldata=new JLabel("资料");  private JLabel labeldynamic1=new JLabel(">");  private JLabel labelsetup1=new JLabel(">");  private JLabel labeldata1=new JLabel(">");    private JLabel  dongtaitubiao=new JLabel();//动态图标  private JLabel ziliaotubiao=new JLabel();//资料图标  private JLabel shezhitubiao=new JLabel();//设置图标  private JLabel xiantubiao=new JLabel();//线图标  private JLabel xiantubiao1=new JLabel();//线图标1  private JLabel xiantubiao2=new JLabel();//线图标2  private JLabel biaoqianlan=new JLabel();//标签栏背景    private JButton buttonNews = new JButton("消息");  private JButton buttonContacts = new JButton("联系人");  private JButton buttonMe = new JButton("我  的");    private JLabel labelnews=new JLabel();  private JLabel labelcontacts=new JLabel();  private JLabel labelme=new JLabel();  private JLabel labelmetouxiang=new JLabel();   private JLabel imagelabel=new JLabel();    public static void main(String[] args) {      new Me();        }  public Me() {      this.setTitle("聊天详情");   this.setLocation(500, 150);   this.setSize(500, 800);   this.setLayout(null);   this.setDefaultCloseOperation(EXIT_ON_CLOSE);         ImageIcon image=new ImageIcon("image/我的背景图.png");       imagelabel = new JLabel(image);       imagelabel.setBounds(0,0,485,800);              ImageIcon image1=new ImageIcon("image/白色消息1.png");       labelnews = new JLabel(image1);       labelnews.setBounds(27,620,70,135);       this.add(labelnews);             ImageIcon image2=new ImageIcon("image/联系人图标1.png");      labelcontacts = new JLabel(image2);      labelcontacts.setBounds(202,620,70,135);      this.add(labelcontacts);              ImageIcon image3=new ImageIcon("image/蓝色我的图标1.png");       labelme = new JLabel(image3);       labelme.setBounds(377,620,70,135);    this.add(labelme);            ImageIcon image4=new ImageIcon("image/我的头像图片.png");    labelmetouxiang = new JLabel(image4);    labelmetouxiang.setBounds(340, 140, 100, 100);    this.add(labelmetouxiang);         ImageIcon image5=new ImageIcon("image/动态图标.png");    dongtaitubiao = new JLabel(image5);    dongtaitubiao.setBounds(30, 260, 50,40);    this.add(dongtaitubiao);    ImageIcon image51=new ImageIcon("image/线.png");    xiantubiao = new JLabel(image51);    xiantubiao.setBounds(30, 290, 400, 40);    this.add(xiantubiao);         ImageIcon image6=new ImageIcon("image/资料图标.png");    ziliaotubiao = new JLabel(image6);    ziliaotubiao.setBounds(30, 320, 50, 40);    this.add(ziliaotubiao);     ImageIcon image61=new ImageIcon("image/线.png");    xiantubiao1 = new JLabel(image61);    xiantubiao1.setBounds(30, 350, 400, 40);    this.add(xiantubiao1);        ImageIcon image7=new ImageIcon("image/设置图标.png");    shezhitubiao = new JLabel(image7);    shezhitubiao.setBounds(30, 380, 50, 40);    this.add(shezhitubiao);     ImageIcon image71=new ImageIcon("image/线.png");    xiantubiao2 = new JLabel(image71);    xiantubiao2.setBounds(30, 410, 400, 40);    this.add(xiantubiao2);        ImageIcon image8=new ImageIcon("image/标签栏背景.png");    biaoqianlan = new JLabel(image8);    biaoqianlan.setBounds(0, 655, 500, 100);        JLabel labelAccount = new JLabel("我的");   labelAccount.setBounds(212, 2, 50, 40);   labelAccount.setFont(new Font("微软雅黑",Font.PLAIN,18));                 //     private JLabel labeldynamic=new JLabel("动态"); //  private JLabel labelsetup=new JLabel("设置"); //  private JLabel labeldata=new JLabel("资料");       buttonHeadportrait.setBounds(340, 140, 100, 100);    buttonHeadportrait.setBackground(new Color(30, 144, 255));   buttonHeadportrait.setOpaque(false);   buttonHeadportrait.setBorder(null);      this.getContentPane().add(buttonHeadportrait);   buttonHeadportrait.addActionListener(this);      buttondynamic.setBounds(40, 260, 400, 40);   labeldynamic.setBounds(80, 260, 50, 40);   labeldynamic1.setBounds(425, 260, 50, 40);   buttondynamic.setBackground(new Color(255, 255, 255));   buttondynamic.setOpaque(false);   buttondynamic.setBorder(null);      this.getContentPane().add(buttondynamic);   this.add(labeldynamic);   this.add(labeldynamic1);   buttondynamic.addActionListener(this);      buttondata.setBounds(40, 320, 400, 40);   labeldata.setBounds(80, 320, 50, 40);   labeldata1.setBounds(425, 320, 50, 40);   buttondata.setBackground(new Color(30, 144, 255));   buttondata.setOpaque(false);   buttondata.setBorder(null);    this.add(labeldata);   this.add(labeldata1);   this.getContentPane().add(buttondata);   buttondata.addActionListener(this);      buttonSetup.setBounds(40, 380, 400, 40);   labelsetup.setBounds(80, 380, 50, 40);   labelsetup1.setBounds(425, 380, 50, 40);   buttonSetup.setBackground(new Color(30, 144, 255));   buttonSetup.setOpaque(false);   buttonSetup.setBorder(null);    this.add(labelsetup);   this.add(labelsetup1);   this.getContentPane().add(buttonSetup);   buttonSetup.addActionListener(this);     buttonNews.setBounds(25, 675, 75, 90);   buttonNews.setForeground(Color.gray);   buttonNews.setBackground(new Color(30, 144, 255));   buttonNews.setOpaque(false);   buttonNews.setBorder(null);      this.getContentPane().add(buttonNews);       buttonNews.addActionListener(this);       buttonContacts.setBounds(200, 675, 75, 90);   buttonContacts.setForeground(Color.gray);   buttonContacts.setBackground(new Color(30, 144, 255));   buttonContacts.setOpaque(false);   buttonContacts.setBorder(null);      this.getContentPane().add(buttonContacts);   buttonContacts.addActionListener(this);        buttonMe.setBounds(375, 675, 75, 90);   buttonMe.setForeground(Color.blue);   buttonMe.setBackground(new Color(30, 144, 255));   buttonMe.setOpaque(false);   buttonMe.setBorder(null);      this.getContentPane().add(buttonMe);   buttonMe.addActionListener(this);          this.add(biaoqianlan);     this.add(labelAccount);   this.add(imagelabel);       this.setVisible(true);     }    public void actionPerformed(ActionEvent e) {                if (e.getSource() == buttonContacts){     new ChatDetails();     this.dispose();    }    else if(e.getSource() == buttonNews){     Message user = new Message();     this.dispose();    }    else if (e.getSource() == buttonHeadportrait){     JOptionPane.showMessageDialog(this, "不好意思，头像功能未开启");     //new ChatDetails();     //this.dispose();    }    else if(e.getSource().equals(buttonSetup)){     new SetUp();     this.dispose();    } } }   //联系人界面的代码 import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.event.ActionListener;  import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.JTextField; import java.awt.event.ActionEvent;     public class ChatDetails  extends JFrame  implements ActionListener{  private JButton buttonAddfriends = new JButton();  private JLabel labeladdfriends=new JLabel("添加好友");  private JLabel labeladdfriends1=new JLabel(">");  private JLabel labeladdfriends2=new JLabel();  private JButton buttonApplicationandnotice = new JButton();  private JLabel labelapplicationandnotice=new JLabel("申请与通知");  private JLabel labelapplicationandnotice1=new JLabel(">");  private JLabel labelapplicationandnotice2=new JLabel();  private JButton buttonGroupchat = new JButton();  private JLabel labelgroupchat=new JLabel("群聊");  private JLabel labelgroupchat1=new JLabel(">");  private JLabel labelgroupchat2=new JLabel();  private JButton buttonNews = new JButton("消息");  private JButton buttonContacts = new JButton("联系人");  private JButton buttonMe = new JButton("我  的");  private JLabel labelnews=new JLabel();  private JLabel labelcontacts=new JLabel();  private JLabel labelme=new JLabel();     private JLabel imagelabel=new JLabel();  private JTextField search = new JTextField();     private JLabel xiantubiao=new JLabel();//线图标  private JLabel xiantubiao1=new JLabel();//线图标1  private JLabel xiantubiao2=new JLabel();//线图标2  private JLabel biaoqianlan=new JLabel();//标签栏背景  public static void main(String[] args) {      new ChatDetails();        }  public ChatDetails() {                   this.setTitle("联系人");   this.setLocation(500, 150);   this.setSize(500, 800);   this.setLayout(null);   this.setDefaultCloseOperation(EXIT_ON_CLOSE);      ImageIcon image=new ImageIcon("image/背景图片.png");       imagelabel = new JLabel(image);       imagelabel.setBounds(0,0,485,800);              ImageIcon image1=new ImageIcon("image/白色消息1.png");       labelnews = new JLabel(image1);       labelnews.setBounds(27,622,70,135);       this.add(labelnews);             ImageIcon image2=new ImageIcon("image/蓝色联系人1.png");      labelcontacts = new JLabel(image2);      labelcontacts.setBounds(202,620,70,135);       this.add(labelcontacts);              ImageIcon image3=new ImageIcon("image/我的图标1.png");       labelme = new JLabel(image3);       labelme.setBounds(377,620,70,135);    this.add(labelme);        ImageIcon image4=new ImageIcon("image/添加好友图标.png");    labeladdfriends2 = new JLabel(image4);    labeladdfriends2.setBounds(15,120,55,35);    this.add(labeladdfriends2);        ImageIcon image5=new ImageIcon("image/申请与通知图标.png");    labelapplicationandnotice2 = new JLabel(image5);    labelapplicationandnotice2.setBounds(15,173,55,35);    this.add(labelapplicationandnotice2);        ImageIcon image6=new ImageIcon("image/群聊图标.png");    labelgroupchat2 = new JLabel(image6);    labelgroupchat2.setBounds(17,227,55,35);    this.add(labelgroupchat2);        ImageIcon image8=new ImageIcon("image/标签栏背景.png");    biaoqianlan = new JLabel(image8);    biaoqianlan.setBounds(0, 655, 500, 100);              search.setBounds(25, 55, 450, 45);   search.setOpaque(false);   search.setBorder(null);     this.getContentPane().add(search);   search.setText("搜索");        JLabel labelAccount = new JLabel("联系人");   labelAccount.setBounds(205, 2, 70, 40);   labelAccount.setFont(new Font("微软雅黑",Font.PLAIN,18));   this.getContentPane().add(labelAccount);      ImageIcon image51=new ImageIcon("image/线.png");    xiantubiao = new JLabel(image51);    xiantubiao.setBounds(50, 143, 400, 40);    this.add(xiantubiao);        buttonAddfriends.setBounds(20, 120, 450, 35);   labeladdfriends.setBounds(70,120,75,35);   labeladdfriends1.setBounds(450,120,75,35);   //buttonAddfriends.setForeground(Color.blue);   buttonAddfriends.setBackground(new Color(30, 144, 255));   buttonAddfriends.setOpaque(false);   buttonAddfriends.setBorder(null);     this.add(labeladdfriends);   this.add(labeladdfriends1);   this.getContentPane().add(buttonAddfriends);   buttonAddfriends.addActionListener(this);       ImageIcon image61=new ImageIcon("image/线.png");    xiantubiao1 = new JLabel(image61);    xiantubiao1.setBounds(50, 198, 400, 40);    this.add(xiantubiao1);        buttonApplicationandnotice.setBounds(20, 173, 450, 35);   labelapplicationandnotice.setBounds(70,173,75,35);   labelapplicationandnotice1.setBounds(450,173,75,35);   buttonApplicationandnotice.setBackground(new Color(30, 144, 255));   buttonApplicationandnotice.setOpaque(false);   buttonApplicationandnotice.setBorder(null);    this.add(labelapplicationandnotice);   this.add(labelapplicationandnotice1);   this.getContentPane().add(buttonApplicationandnotice);   buttonApplicationandnotice.addActionListener(this);       ImageIcon image71=new ImageIcon("image/线.png");    xiantubiao2 = new JLabel(image71);    xiantubiao2.setBounds(50, 252, 400, 40);    this.add(xiantubiao2);       buttonGroupchat.setBounds(20, 227, 450, 35);   labelgroupchat.setBounds(70,227,75,35);   labelgroupchat1.setBounds(450,227,75,35);   buttonGroupchat.setBackground(new Color(30, 144, 255));   buttonGroupchat.setOpaque(false);   buttonGroupchat.setBorder(null);    this.add(labelgroupchat);   this.add(labelgroupchat1);   this.getContentPane().add(buttonGroupchat);   buttonGroupchat.addActionListener(this);            buttonNews.setBounds(25, 675, 75, 90);   buttonNews.setForeground(Color.gray);   buttonNews.setBackground(new Color(30, 144, 255));   buttonNews.setOpaque(false);   buttonNews.setBorder(null);      this.getContentPane().add(buttonNews);       buttonNews.addActionListener(this);       buttonContacts.setBounds(200, 675, 75, 90);   buttonContacts.setForeground(Color.blue);   buttonContacts.setBackground(new Color(30, 144, 255));   buttonContacts.setOpaque(false);   buttonContacts.setBorder(null);      this.getContentPane().add(buttonContacts);   buttonContacts.addActionListener(this);        buttonMe.setBounds(375, 675, 75, 90);   buttonMe.setForeground(Color.gray);   buttonMe.setBackground(new Color(30, 144, 255));   buttonMe.setOpaque(false);   buttonMe.setBorder(null);      this.getContentPane().add(buttonMe);   buttonMe.addActionListener(this);       this.add(biaoqianlan);   this.add(imagelabel);   this.setVisible(true);     }     public void actionPerformed(ActionEvent e) {                if (e.getSource() == buttonMe){     new Me();     this.dispose();    }    else if(e.getSource() == buttonNews){     Message user = new Message();     this.dispose();    }               }}   //设置界面的代码 import java.awt.Color; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;  import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane;  public class SetUp extends JFrame  implements ActionListener{   /**   * @param args   */  private JButton backout= new JButton("<");  private JButton quit = new JButton("退出登陆");  private JLabel labelquit=new JLabel("退出登陆");  private JButton aboutus = new JButton();//关于我们  private JLabel labelaboutus=new JLabel("关于我们");  private JLabel labelaboutus1=new JLabel(">");  private JButton developmenttime= new JButton();//开发时间  private JLabel labeldevelopmenttime=new JLabel("开发时间");  private JLabel labeldevelopmenttime1=new JLabel(">");  private JLabel labelsetup=new JLabel("设置");  private JLabel labelimage=new JLabel();  private JLabel xiantubiao=new JLabel();//线图标  private JLabel xiantubiao1=new JLabel();//线图标    public static void main(String[] args) {   // TODO Auto-generated method stub       new SetUp();  }  public SetUp(){      this.setTitle("设置");   this.setLocation(500, 150);   this.setSize(500, 800);   this.setLayout(null);   this.setDefaultCloseOperation(EXIT_ON_CLOSE);      ImageIcon image=new ImageIcon("image/设置背景图片.png");   labelimage = new JLabel(image);   labelimage.setBounds(0,0,485,800);      labelsetup.setBounds(218, 1, 70, 40);   labelsetup.setFont(new Font("微软雅黑",Font.PLAIN,18));   this.add(labelsetup);      backout.setBounds(2, 0, 50, 40);   backout.setForeground(Color.white);   backout.setBackground(new Color(30, 144, 255));   backout.setOpaque(false);   backout.setBorder(null);      this.getContentPane().add(backout);   backout.addActionListener(this);       ImageIcon image1=new ImageIcon("image/线.png");    xiantubiao = new JLabel(image1);    xiantubiao.setBounds(5, 90, 430, 20);    this.add(xiantubiao);       labelaboutus.setBounds(15, 50, 100, 40);   labelaboutus1.setBounds(458, 50, 100, 40);   aboutus.setBounds(2, 50, 478, 40);   aboutus.setForeground(Color.gray);   aboutus.setBackground(new Color(30, 144, 255));   aboutus.setOpaque(false);   aboutus.setBorder(null);    this.add(labelaboutus);   this.add(labelaboutus1);   this.getContentPane().add(aboutus);   aboutus.addActionListener(this);     ImageIcon image2=new ImageIcon("image/线.png");    xiantubiao1 = new JLabel(image2);    xiantubiao1.setBounds(5, 150, 430, 20);    this.add(xiantubiao1);       labeldevelopmenttime.setBounds(15, 110, 100, 40);   labeldevelopmenttime1.setBounds(458, 110, 100, 40);   developmenttime.setBounds(2, 110, 478, 40);   developmenttime.setForeground(Color.gray);   developmenttime.setBackground(new Color(30, 144, 255));   developmenttime.setOpaque(false);   developmenttime.setBorder(null);      this.add(labeldevelopmenttime);   this.add(labeldevelopmenttime1);   this.getContentPane().add(developmenttime);   developmenttime.addActionListener(this);        quit.setBounds(2, 170, 478, 40);   //quit.setForeground(Color.gray);   quit.setBackground(new Color(30, 144, 255));   quit.setOpaque(false);   quit.setBorder(null);      this.getContentPane().add(quit);   quit.addActionListener(this);      this.add(labelimage);   this.setVisible(true);  }  @Override  public void actionPerformed(ActionEvent e) {   // TODO Auto-generated method stub   if(e.getSource().equals(aboutus)){    JOptionPane.showMessageDialog(this, "该产品由陈锦贤，张志斌，郑丹妮共同开发！");   }   if(e.getSource().equals(developmenttime)){    JOptionPane.showMessageDialog(this, "该产品开发于2019年11月23日");   }   if(e.getSource().equals(backout)){    new Me();    this.dispose();   }   if(e.getSource().equals(quit)){    System.exit(0);   }  }  }