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問壹道java的編程題

做了半天,這分壹定要給我哦,如果有問題,我再改吧!!

/*

* NewJFrame.java

*

* Created on 2007年4月29日, 上午1:33

*/

import java.io.*;

import java.nio.*;

import java.nio.channels.FileChannel;

/**

*

* @author Bachelor

*/

public class NewJFrame extends javax.swing.JFrame {

/** Creates new form NewJFrame */

String t1="",t2="",t3="";

public NewJFrame() {

initComponents();

}

public void output(String outText){

new NewJFrame();

String file3=System.getProperty("user.dir")+"/text.txt";

File fileText=new File(file3);

String publictype = ".pub";

String privatetype = ".pri";

File publicFile = new File(file3);

FileOutputStream pubFile = null;// Place to store the stream reference

try {

pubFile = new FileOutputStream(publicFile, true);

System.out.println("File stream created successfully.");

} catch (FileNotFoundException e) {

e.printStackTrace(System.err);

}

// Create the file output stream channel

FileChannel pubChannel = pubFile.getChannel();

ByteBuffer pubbuf = ByteBuffer.allocate(1024);

// Load the data into the buffer

byte[] pubbytes = outText.getBytes();

pubbuf.put(pubbytes);

pubbuf.flip(); // Flip the buffer ready for file write

// Write the file

try {

pubChannel.write(pubbuf); // Write the buffer to the file channel

pubFile.close(); // Close the output stream & the channel

} catch (IOException e) {

e.printStackTrace(System.err);

}

}

/** This method is called from within the constructor to

* initialize the form.

* WARNING: Do NOT modify this code. The content of this method is

* always regenerated by the Form Editor.

*/

// <editor-fold defaultstate="collapsed" desc=" 生成的代碼 ">

private void initComponents() {

jPanel1 = new javax.swing.JPanel();

jTextArea1 = new javax.swing.JTextArea();

jButton1 = new javax.swing.JButton();

jTextField1 = new javax.swing.JTextField();

jTextField2 = new javax.swing.JTextField();

jTextField3 = new javax.swing.JTextField();

jComboBox1 = new javax.swing.JComboBox();

jComboBox1.addItem("1");

jComboBox1.addItem("2");

jComboBox1.addItem("3");

jComboBox1.setSelectedIndex(0);

jComboBox2 = new javax.swing.JComboBox();

jComboBox2.addItem("1");

jComboBox2.addItem("2");

jComboBox2.addItem("3");

jComboBox2.setSelectedIndex(1);

jComboBox3 = new javax.swing.JComboBox();

jComboBox3.addItem("1");

jComboBox3.addItem("2");

jComboBox3.addItem("3");

jComboBox3.setSelectedIndex(2);

getContentPane().setLayout(null);

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jPanel1.setLayout(null);

jPanel1.setMinimumSize(new java.awt.Dimension(400, 300));

jPanel1.setPreferredSize(new java.awt.Dimension(400, 300));

jPanel1.add(jTextArea1);

jTextArea1.setBounds(30, 100, 340, 110);

jButton1.setText("\u63d0\u4ea4");

jButton1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton1ActionPerformed(evt);

}

});

jPanel1.add(jButton1);

jButton1.setBounds(280, 220, 70, 23);

jTextField1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jTextField1ActionPerformed(evt);

}

});

jTextField1.addFocusListener(new java.awt.event.FocusAdapter() {

public void focusLost(java.awt.event.FocusEvent evt) {

jTextField1FocusLost(evt);

}

});

jPanel1.add(jTextField1);

jTextField1.setBounds(30, 10, 280, 20);

jTextField2.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jTextField2ActionPerformed(evt);

}

});

jTextField2.addFocusListener(new java.awt.event.FocusAdapter() {

public void focusLost(java.awt.event.FocusEvent evt) {

jTextField2FocusLost(evt);

}

});

jPanel1.add(jTextField2);

jTextField2.setBounds(30, 40, 280, 20);

jTextField3.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jTextField3ActionPerformed(evt);

}

});

jTextField3.addFocusListener(new java.awt.event.FocusAdapter() {

public void focusLost(java.awt.event.FocusEvent evt) {

jTextField3FocusLost(evt);

}

});

jPanel1.add(jTextField3);

jTextField3.setBounds(30, 70, 280, 20);

jComboBox1.addItemListener(new java.awt.event.ItemListener() {

public void itemStateChanged(java.awt.event.ItemEvent evt) {

jComboBox1ItemStateChanged(evt);

}

});

jPanel1.add(jComboBox1);

jComboBox1.setBounds(331, 10, 40, 23);

jComboBox2.addItemListener(new java.awt.event.ItemListener() {

public void itemStateChanged(java.awt.event.ItemEvent evt) {

jComboBox2ItemStateChanged(evt);

}

});

jPanel1.add(jComboBox2);

jComboBox2.setBounds(331, 40, 40, 23);

jComboBox3.addItemListener(new java.awt.event.ItemListener() {

public void itemStateChanged(java.awt.event.ItemEvent evt) {

jComboBox3ItemStateChanged(evt);

}

});

jPanel1.add(jComboBox3);

jComboBox3.setBounds(331, 70, 40, 23);

getContentPane().add(jPanel1);

jPanel1.setBounds(0, 0, 400, 300);

java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();

setBounds((screenSize.width-408)/2, (screenSize.height-285)/2, 408, 285);

}

// </editor-fold>

private void jComboBox3ItemStateChanged(java.awt.event.ItemEvent evt) {

// TODO 將在此處添加您的處理代碼:

t1=jComboBox1.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox1.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t2=jComboBox2.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox2.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t3=jComboBox3.getSelectedIndex()==0?jTextField1.getText():

jComboBox3.getSelectedIndex()==1?jTextField2.getText():jTextField3.getText();

jTextArea1.setText(t1+t2+t3);

}

private void jComboBox2ItemStateChanged(java.awt.event.ItemEvent evt) {

// TODO 將在此處添加您的處理代碼:

t1=jComboBox1.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox1.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t2=jComboBox2.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox2.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t3=jComboBox3.getSelectedIndex()==0?jTextField1.getText():

jComboBox3.getSelectedIndex()==1?jTextField2.getText():jTextField3.getText();

jTextArea1.setText(t1+t2+t3);

}

private void jComboBox1ItemStateChanged(java.awt.event.ItemEvent evt) {

// TODO 將在此處添加您的處理代碼:

t1=jComboBox1.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox1.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t2=jComboBox2.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox2.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t3=jComboBox3.getSelectedIndex()==0?jTextField1.getText():

jComboBox3.getSelectedIndex()==1?jTextField2.getText():jTextField3.getText();

jTextArea1.setText(t1+t2+t3);

}

private void jTextField1FocusLost(java.awt.event.FocusEvent evt) {

// TODO 將在此處添加您的處理代碼:

t1=jComboBox1.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox1.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t2=jComboBox2.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox2.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t3=jComboBox3.getSelectedIndex()==0?jTextField1.getText():

jComboBox3.getSelectedIndex()==1?jTextField2.getText():jTextField3.getText();

jTextArea1.setText(t1+t2+t3);

}

private void jTextField3FocusLost(java.awt.event.FocusEvent evt) {

// TODO 將在此處添加您的處理代碼:

t1=jComboBox1.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox1.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t2=jComboBox2.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox2.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t3=jComboBox3.getSelectedIndex()==0?jTextField1.getText():

jComboBox3.getSelectedIndex()==1?jTextField2.getText():jTextField3.getText();

jTextArea1.setText(t1+t2+t3);

}

private void jTextField2FocusLost(java.awt.event.FocusEvent evt) {

// TODO 將在此處添加您的處理代碼:

t1=jComboBox1.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox1.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t2=jComboBox2.getSelectedIndex()==0?jTextField1.getText()+"\n":

jComboBox2.getSelectedIndex()==1?jTextField2.getText()+"\n":jTextField3.getText()+"\n";

t3=jComboBox3.getSelectedIndex()==0?jTextField1.getText():

jComboBox3.getSelectedIndex()==1?jTextField2.getText():jTextField3.getText();

jTextArea1.setText(t1+t2+t3);

}

private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {

// TODO 將在此處添加您的處理代碼:

}

private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {

// TODO 將在此處添加您的處理代碼:

}

private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {

// TODO 將在此處添加您的處理代碼:

}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

// TODO 將在此處添加您的處理代碼:

output(jTextArea1.getText());

}

/**

* @param args the command line arguments

*/

public static void main(String args[]) {

java.awt.EventQueue.invokeLater(new Runnable() {

public void run() {

new NewJFrame().setVisible(true);

}

});

}

// 變量聲明 - 不進行修改

private javax.swing.JButton jButton1;

private javax.swing.JComboBox jComboBox1;

private javax.swing.JComboBox jComboBox2;

private javax.swing.JComboBox jComboBox3;

private javax.swing.JPanel jPanel1;

private javax.swing.JTextArea jTextArea1;

private javax.swing.JTextField jTextField1;

private javax.swing.JTextField jTextField2;

private javax.swing.JTextField jTextField3;

// 變量聲明結束

}

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