about.java

图像管理 对图片进行预览的功能（参考ACDSee界面）。要求在界面中显示一个本地计算机中的文件夹的树形结构

/*
 * About.java
 *
 * Created on 2008年11月11日, 上午2:01
 */

package javaapplication3;

import java.awt.Graphics;
import java.awt.Image;
import javax.swing.ImageIcon;
import java.awt.Dimension;
import java.awt.Toolkit;
/**
 *
 * @author  Administrator
 */
public class About extends javax.swing.JFrame {
    private Graphics g;

    /** Creates new form About */
    public About() {
          this.setTitle("关于");  
        initComponents();
        Dimension screen=Toolkit.getDefaultToolkit().getScreenSize();  
        // this.setSize(screen.width/2+120,screen.height/2+100);
         this.setLocation((screen.width - this.getWidth())/2, (screen.height - this.getHeight())/2);
    }



    /** 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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jScrollPane2 = new javax.swing.JScrollPane();
        jTextArea2 = new javax.swing.JTextArea();
        jScrollPane3 = new javax.swing.JScrollPane();
        jTextArea3 = new javax.swing.JTextArea();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jTextField1 = new javax.swing.JTextField();
        jScrollPane4 = new javax.swing.JScrollPane();
        jTextPane1 = new javax.swing.JTextPane();
        jButton1 = new javax.swing.JButton();
        jScrollPane6 = new javax.swing.JScrollPane();
        jTextArea5 = new javax.swing.JTextArea();
        jTextField2 = new javax.swing.JTextField();
        jScrollPane5 = new javax.swing.JScrollPane();
        jTextArea4 = new javax.swing.JTextArea();
        jLabel1 = new javax.swing.JLabel();
        jLabel8 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jLabel7 = new javax.swing.JLabel();
        jLabel9 = new javax.swing.JLabel();

        jTextArea2.setColumns(20);
        jTextArea2.setRows(5);
        jScrollPane2.setViewportView(jTextArea2);

        jTextArea3.setColumns(20);
        jTextArea3.setRows(5);
        jScrollPane3.setViewportView(jTextArea3);

        jTextArea1.setColumns(20);
        jTextArea1.setRows(5);
        jTextArea1.setText("               关于\n     ");
        jScrollPane1.setViewportView(jTextArea1);

        jTextField1.setText("jTextField1");
        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });

        jScrollPane4.setViewportView(jTextPane1);

        jButton1.setText("退出");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jTextArea5.setColumns(20);
        jTextArea5.setRows(5);
        jScrollPane6.setViewportView(jTextArea5);

        jTextField2.setText("jTextField2");
        jTextField2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField2ActionPerformed(evt);
            }
        });

        jTextArea4.setColumns(20);
        jTextArea4.setRows(5);
        jTextArea4.setText("          关于\n      \n      电子像片管理系统\n\n\n制作人：陈泽沛、罗金焯、邝廷恩");
        jScrollPane5.setViewportView(jTextArea4);

        jLabel1.setSize(100,100);
        jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/picture/Image%20Preview.png"))); // NOI18N
        jLabel1.setText(" ");
        ImageIcon imageicon =new ImageIcon("D:\\Wallpaper\\Azul.jpg");
        Image image =imageicon.getImage();

        //if(imageIcon.getIconWidth()>imageIcon.getIconHeight())
        //    imageIcon.setImage

        jLabel8.setText("jLabel8");

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

        jLabel2.setFont(new java.awt.Font("宋体", 0, 24));
        jLabel2.setText("电子像片管理程序 1.0");

        jLabel3.setFont(new java.awt.Font("宋体", 0, 14)); // NOI18N
        jLabel3.setText("制作人：");

        jLabel4.setFont(new java.awt.Font("宋体", 0, 18));
        jLabel4.setText("陈泽沛");

        jLabel5.setFont(new java.awt.Font("宋体", 0, 18));
        jLabel5.setText("罗金焯");

        jLabel6.setFont(new java.awt.Font("宋体", 0, 18));
        jLabel6.setText("邝廷恩");

        jLabel7.setIcon(new javax.swing.ImageIcon(getClass().getResource("/picture/Image%20Preview_1.png"))); // NOI18N

        jLabel9.setFont(new java.awt.Font("宋体", 0, 14)); // NOI18N
        jLabel9.setText("2008年11月");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel7, javax.swing.GroupLayout.PREFERRED_SIZE, 131, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(6, 6, 6)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGap(27, 27, 27)
                                .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 65, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                    .addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                    .addComponent(jLabel5, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                    .addComponent(jLabel6, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                            .addGroup(layout.createSequentialGroup()
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 249, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addContainerGap(80, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jLabel9)
                        .addGap(25, 25, 25))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 33, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(27, 27, 27)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 36, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jLabel6, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 9, Short.MAX_VALUE)
                        .addComponent(jLabel9, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGap(21, 21, 21)
                        .addComponent(jLabel7, javax.swing.GroupLayout.DEFAULT_SIZE, 203, Short.MAX_VALUE)))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// TODO add your handling code here:
  
        setVisible(false);
}//GEN-LAST:event_jButton1ActionPerformed

private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField1ActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_jTextField1ActionPerformed

private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField2ActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_jTextField2ActionPerformed

    /**
    * @param args the command line arguments
    */
 

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JLabel jLabel8;
    private javax.swing.JLabel jLabel9;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JScrollPane jScrollPane3;
    private javax.swing.JScrollPane jScrollPane4;
    private javax.swing.JScrollPane jScrollPane5;
    private javax.swing.JScrollPane jScrollPane6;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JTextArea jTextArea2;
    private javax.swing.JTextArea jTextArea3;
    private javax.swing.JTextArea jTextArea4;
    private javax.swing.JTextArea jTextArea5;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextPane jTextPane1;
    // End of variables declaration//GEN-END:variables

}