frame_show.java

数据挖掘的java实现 是我们上课的时候做的哦

软件学院 王玉馥（1291403166）03级4班

package dataSmall ;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/*创建程序窗体文件
 */

public class Frame_show extends JFrame {
  JPanel contentPane;
  JMenuBar jMenuBar1 = new JMenuBar();
  JMenu jMenuFile = new JMenu();
  JMenuItem jMenuFileExit = new JMenuItem();
  BorderLayout borderLayout1 = new BorderLayout();
  JMenuItem jMenuItem1 = new JMenuItem();
  JMenuItem jMenuItem2 = new JMenuItem();
  JMenu jMenu1 = new JMenu();
  JMenuItem jMenuItem3 = new JMenuItem();
  JTextArea jTextArea1 = new JTextArea();
  JFileChooser jFileChooser1 = new JFileChooser();
    MyWindow result = new MyWindow("Show result");
  JToolBar jToolBar = new JToolBar();
  JLabel jLabel1 = new JLabel();
  JTextArea jTextArea2 = new JTextArea();
  JLabel jLabel2 = new JLabel();
  JTextArea jTextArea3 = new JTextArea();
  JLabel jLabel3 = new JLabel();
  JTextArea jTextArea4 = new JTextArea();

  //Construct the frame
  public Frame_show() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(465, 362));
    this.setTitle("数据挖掘");
    jMenuFile.setText("File");
    jMenuFileExit.setText("Exit");
    jMenuFileExit.addActionListener(new Frame_show_jMenuFileExit_ActionAdapter(this));
    jMenuItem1.setText("open");
    jMenuItem1.addActionListener(new Frame_show_jMenuItem1_actionAdapter(this));
    jMenuItem2.setText("close");
    jMenuItem2.addActionListener(new Frame_show_jMenuItem2_actionAdapter(this));
    jMenu1.setText("FindMax");
    jMenuItem3.setText("Find");
    jMenuItem3.addActionListener(new Frame_show_jMenuItem3_actionAdapter(this));
    jTextArea1.setText("");
    jLabel1.setText(" From     ");
    jTextArea2.setText("0.3");
    jLabel2.setText("    To     ");
    jTextArea3.setText("0.8");
    jLabel3.setToolTipText("");
    jLabel3.setText("  Step    ");
    jTextArea4.setText("0.1");
    jTextArea4.setTabSize(8);
    jMenuFile.add(jMenuItem1);
    jMenuFile.add(jMenuItem2);
    jMenuFile.add(jMenuFileExit);
    jMenuBar1.add(jMenuFile);
    jMenuBar1.add(jMenu1);
    jMenu1.add(jMenuItem3);
    contentPane.add(jTextArea1, BorderLayout.CENTER);
    contentPane.add(jToolBar, BorderLayout.NORTH);
    jToolBar.add(jLabel1, null);
    jToolBar.add(jTextArea2, null);
    jToolBar.add(jLabel2, null);
    jToolBar.add(jTextArea3, null);
    jToolBar.add(jLabel3, null);
    jToolBar.add(jTextArea4, null);
    this.setJMenuBar(jMenuBar1);
  }

  public void openFile(String fileName) {
  try {
    File file = new File(fileName);
    int size = (int) file.length();
    int chars_read = 0;
    FileReader in = new FileReader(file);
    char[] data = new char[size];
    while (in.ready()) {
      chars_read += in.read(data, chars_read, size - chars_read);
    }
    in.close();
    jTextArea1.setText(new String(data, 0, chars_read));
  }
  catch (IOException e) {

  }

}

  //File | Exit action performed
  public void jMenuFileExit_actionPerformed(ActionEvent e) {
    System.exit(0);
  }
  //Help | About action performed
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      jMenuFileExit_actionPerformed(null);
    }
  }

  void jMenuItem1_actionPerformed(ActionEvent e) {
    if (JFileChooser.APPROVE_OPTION == jFileChooser1.showSaveDialog(this)) {
      openFile(jFileChooser1.getSelectedFile().getPath());
      this.repaint();
    }
  }

  void jMenuItem2_actionPerformed(ActionEvent e) {
       jTextArea1.setText("");
  }
  //find
  void jMenuItem3_actionPerformed(ActionEvent e) {
    String str = jTextArea1.getText();
    double t1=Double.parseDouble(jTextArea2.getText());
    double t2=Double.parseDouble(jTextArea3.getText());
    double step=Double.parseDouble(jTextArea4.getText());
    char t[]=str.toCharArray();
    int n=0;//记录有几个串
    for(int i=0;i<t.length;i++)
    {
      if(t[i]=='>')
      {
        n++;
      }
    }
    String s[] = new String[n];
    n=-1;
    for(int i=0;i<t.length;i++)
    {
      if(t[i]=='>')
      {
        n++;
        s[n]="";
        while(t[i]!='\n')
        {
        i++;
        }
      }
      if(t[i]=='A' ||t[i]=='C'||t[i]=='G'||t[i]=='T')
      {
        s[n]+=t[i];
      }
    }
    Serchmax findmax = new Serchmax(s,t1,t2,step);
    result.text.setText(findmax.findresult);
    result.show(true );
  }
}

class Frame_show_jMenuFileExit_ActionAdapter implements ActionListener {
  Frame_show adaptee;

  Frame_show_jMenuFileExit_ActionAdapter(Frame_show adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuFileExit_actionPerformed(e);
  }
}

class Frame_show_jMenuItem1_actionAdapter implements java.awt.event.ActionListener {
  Frame_show adaptee;

  Frame_show_jMenuItem1_actionAdapter(Frame_show adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuItem1_actionPerformed(e);
  }
}

class Frame_show_jMenuItem2_actionAdapter implements java.awt.event.ActionListener {
  Frame_show adaptee;

  Frame_show_jMenuItem2_actionAdapter(Frame_show adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuItem2_actionPerformed(e);
  }
}
class MyWindow
    extends Frame {
  TextArea text;
  MyWindow(String s) {
    super(s);
    this.setSize(new Dimension(400, 400));
    this.move(400, 200);
    setLayout(new GridLayout(1, 1));
     text = new TextArea("", 100, 300);
    add(text);

    setVisible(false);
    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        setVisible(false);
      }
    });
  }
}

class Frame_show_jMenuItem3_actionAdapter implements java.awt.event.ActionListener {
  Frame_show adaptee;

  Frame_show_jMenuItem3_actionAdapter(Frame_show adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuItem3_actionPerformed(e);
  }
}