QQ源代码

最新推荐文章于 2025-05-30 09:36:14 发布

m_xulaicheng

最新推荐文章于 2025-05-30 09:36:14 发布

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CC 4.0 BY-SA版权

文章标签： qq login exception class import border

本文链接：https://blog.youkuaiyun.com/m_xulaicheng/article/details/3968260

本文介绍了一个使用Java Swing实现的QQ登录界面示例，包括图片背景、文本输入框及按钮等元素的设计，并演示了如何从数据库验证用户登录信息。

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import javax.swing.*;
import java.awt.*;
import javax.swing.ImageIcon;
import java.awt.event.*;
import java.io.BufferedReader;
import java.io.FileReader;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.ResultSet;
import javax.swing.JOptionPane;
import javax.swing.border.*;

class Imagecanvas extends Canvas{
Toolkit tool;
Image myimage;

Imagecanvas(){
  setSize(326,47);
  tool=getToolkit();
  myimage=tool.getImage("qq1.jpg");
}

public void paint(Graphics g){
  g.drawImage(myimage,0,0,326,47,this);
}
}

class Login extends JFrame{

   JButton         jButton1=new JButton("登录");
   JButton         jButton2=new JButton("取消");
   JButton         jButton3=new JButton("查杀木马↓");
   JLabel          jLabel2=new JLabel("QQ账号：");
   JLabel          jLabel3=new JLabel("QQ密码：");
   JLabel          jLabel4=new JLabel("申请号码");
   JTextField      jTextField2=new JTextField (11);
   JPasswordField jPasswordField1=new JPasswordField(11);
   JCheckBox check1=new JCheckBox("自动登陆");
   JCheckBox check2=new JCheckBox("隐身登陆");
   int r=240,g=250,b=255;
   Color myColor=new Color(r,g,b);
   int r1=210,g1=235,b1=255;
   Color myColor1=new Color(r1,g1,b1);

   String          user,password;
   Connection      conn;
   Statement       stmt;
   static String   Loginuser,Loginpassword;
   static boolean Loginc,Logink;
   JPanel jpanel1,jpanel2,jpanel3;

public Login()
{
super("QQ用户登录");
//this.setBounds(250,250,300,200);
setResizable(true);

try{jbInit();

}
catch(Exception e)
{
e.printStackTrace();
}
}

private void jbInit()throws Exception
{
Frame fra=new Frame("QQ用户登录");
setBounds(350, 300, 330,240);
Container c=getContentPane();
  FlowLayout layout=new FlowLayout(FlowLayout.CENTER);
JPanel jpanel1=new JPanel();
JPanel jpanel2=new JPanel();
JPanel jpanel21=new JPanel();
JPanel jpanel22=new JPanel();
JPanel jpanel3=new JPanel();

Imagecanvas canvas1=new Imagecanvas();
   jpanel1.add(canvas1);
jpanel1.setSize(326,47);

//jTextField2.setFont(new Font("",10,25));
//jPasswordField1.setFont(new Font("",10,25));
// jpanel2.add(new JLabel("          "));
    jpanel21.add(jLabel2);
    jpanel21.add(jTextField2);
    jpanel21.add(jLabel4);
    //jpanel2.add(new JLabel("          "));
    jpanel22.add(jLabel3);
    jpanel22.add(jPasswordField1);
    jpanel22.add(new JLabel("<html><font color=blue>忘记密码</font><html>"));
    jpanel2.add(jpanel21);
    jpanel2.add(jpanel22);
    jpanel2.add(check1);
    jpanel2.add(check2);
    Border border =BorderFactory.createEtchedBorder();
    jpanel2.setBorder(border);

   jpanel3.add(jButton3);
   jpanel3.add(jButton2);
   jpanel3.add(new JLabel("          "));
   jpanel3.add(new JLabel("          "));
    jpanel3.add(jButton1);


    setLayout(new BorderLayout());
    add(BorderLayout.NORTH,jpanel1);
    add(BorderLayout.CENTER,jpanel2);
    add(BorderLayout.SOUTH,jpanel3);


    jLabel3.setVerifyInputWhenFocusTarget(true);
     jButton1.addActionListener(new Login_jButton1_actionAdapter(this));
    jPasswordField1.setVerifyInputWhenFocusTarget(true);
    //jButton1.setForeground(Color.blue);
    //jLabel2.setForeground(Color.blue);
    jLabel4.setForeground(Color.blue);
    jpanel1.setBackground(myColor1);
    jpanel2.setBackground(myColor);
    jpanel21.setBackground(myColor);
    jpanel22.setBackground(myColor);
    jpanel3.setBackground(myColor1);
    check1.setBackground(myColor);
    check2.setBackground(myColor);
     jButton2.addActionListener(new Login_jButton2_actionAdapter(this));
     jTextField2.addActionListener(new Login_jButton1_actionAdapter(this));
    //jLabel3.setForeground(Color.blue);

    jPasswordField1.addActionListener(new Login_jButton1_actionAdapter(this));
    jPasswordField1.addMouseListener(new Login_jPasswordField1_mouseAdapter(this));


    addWindowListener(new WindowAdapter()
  {
   public void windowClosing(WindowEvent e)
   {
    System.exit(0);
   }
   });
   setVisible(true);
   setBounds(473, 261, 330,240);
   validate();
}

void jButton2_actionPerformed(ActionEvent e){
System.exit(0);
}

private static boolean isPasswordCorrect(char[]input){
     char[]correctPassword;
     correctPassword=Loginpassword.toCharArray();
    if(input.length!=correctPassword.length){
      return false;
}
     for(int i=0;i<input.length;i++){
      if(input[i]!=correctPassword[i]){
           System.out.print("密码错误！");
           return false;
}
}
          return true;
}

void jButton1_actionPerformed(ActionEvent e)//   实现查询功能
{
      String user=jTextField2.getText();
      char[]password=jPasswordField1.getPassword();
   try{
    try{
     Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    }
    catch(ClassNotFoundException ex){
    }
    Connection conn= DriverManager.getConnection("jdbc:odbc:Driver={MicroSoft Access Driver (*.mdb)};DBQ=database//database.mdb","","");
      Statement stmt= conn.createStatement();
    ResultSet rs=stmt.executeQuery("select *from 表1");
    while(rs.next()){
     Loginuser=rs.getString("用户名");
     Loginpassword=rs.getString("密码");
    }
    stmt.close();
    conn.close();
   }
   catch(SQLException ex1){
      System.out.print(ex1);
     }

     if(jTextField2.getText().toLowerCase().equals(Loginuser.toLowerCase())&&
           isPasswordCorrect(password)) {
                           JFrame.setDefaultLookAndFeelDecorated(true);
                     DataWindow window=new DataWindow();
                   window.validate();
      // JOptionPane.showMessageDialog(this,"正确","进入",
    //JOptionPane.WARNING_MESSAGE);
     }

          else{
          JOptionPane.showMessageDialog(this,"登录失败",
                                            "警告",
                                            JOptionPane.ERROR_MESSAGE);
          }


         /* void this_windowClosing(WindowEvent e) {
          System.exit(0);
          }*/
         }


          void jPasswordField1_mouseClicked(MouseEvent e) {
        }


      class Login_jButton1_actionAdapter
        implements java.awt.event.ActionListener{
       Login adaptee;


       Login_jButton1_actionAdapter(Login adaptee)
       {
       this.adaptee=adaptee;
      }


      public void actionPerformed(ActionEvent e)
      {
            adaptee.jButton1_actionPerformed(e);
}
}

class Login_jButton2_actionAdapter
implements java.awt.event.ActionListener{
Login adaptee;

Login_jButton2_actionAdapter(Login adaptee){
this.adaptee=adaptee;
}

public void actionPerformed(ActionEvent e)
{
adaptee.jButton2_actionPerformed(e);
}
}

class Login_this_windowAdapter
        extends java.awt.event.WindowAdapter{
Login adaptee;

Login_this_windowAdapter(Login adaptee){
  this.adaptee=adaptee;
}

/*public void windowClosing(WindowEvent e){
  adaptee.this_windowClosing(e);
}*/
}
class Login_jPasswordField1_mouseAdapter
      extends java.awt.event.MouseAdapter{
Login adaptee;
Login_jPasswordField1_mouseAdapter(Login adaptee){
  this.adaptee=adaptee;
}

public void mouseClicked(MouseEvent e){
  adaptee.jPasswordField1_mouseClicked(e);
}
}
public static void main(String args[])
{
     new Login();
   }
}