mainpanel.java

用java编写的压缩程序

package compress;
import java.awt.event.*;
import java.awt.GridBagLayout;
import javax.swing.JPanel;
import java.awt.Dimension;
import javax.swing.JTextField;
import java.awt.Rectangle;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JProgressBar;
import javax.swing.UIManager;

public class MainPanel extends JPanel {

	 static final long serialVersionUID = 1L;
	 JTextField jTF = null;
	 JButton jBOpen = null;
	 JButton jBStart = null;
	 JButton jBCancel = null;
	 JLabel jLComplete = null;
	 JProgressBar jPB = null;
	 JLabel jLProgress = null;
   ///
	//protected FileChooser fileChooser;
	/**
	 * This is the default constructor
	 */

	public MainPanel() {
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 *
	 * @return void
	 */
	private void initialize() {

		//
		try {
		      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		      //UIManager.setLookAndFeel("windows");
		   } catch (Exception exc) {
		      System.err.println("Error loading L&F: " + exc);
		   }
		jLProgress = new JLabel();
		jLProgress.setBounds(new Rectangle(106, 122, 74, 23));
		jLProgress.setText("");
		jLComplete = new JLabel();
		jLComplete.setBounds(new Rectangle(45, 121, 52, 25));
		jLComplete.setText("已完成：");
		this.setSize(441, 204);
		this.setLayout(null);
		this.add(getJTF(), null);
		this.add(getJBOpen(), null);
		this.add(getJBStart(), null);
		this.add(getJBCancel(), null);
		this.add(jLComplete, null);
		this.add(getJPB(), null);
		jPB.setStringPainted(true); //描绘文字
		this.add(jLProgress, null);
		//

	}

	/**
	 * This method initializes jTF
	 *
	 * @return javax.swing.JTextField
	 */
	 JTextField getJTF() {
		if (jTF == null) {
			jTF = new JTextField();
			jTF.setBounds(new Rectangle(41, 32, 245, 27));
		}
		return jTF;
	}

	/**
	 * This method initializes jBOpen
	 *
	 * @return javax.swing.JButton
	 */
	 JButton getJBOpen() {
		if (jBOpen == null) {
			jBOpen = new JButton();
			jBOpen.setBounds(new Rectangle(302, 31, 69, 28));
			jBOpen.setText("OPEN");
		}
		return jBOpen;
	}

	/**
	 * This method initializes jBStart
	 *
	 * @return javax.swing.JButton
	 */
	 JButton getJBStart() {
		if (jBStart == null) {
			jBStart = new JButton();
			jBStart.setBounds(new Rectangle(42, 77, 62, 31));
			jBStart.setText("Start");
		}
		return jBStart;
	}

	/**
	 * This method initializes jBCancel
	 *
	 * @return javax.swing.JButton
	 */
	 JButton getJBCancel() {
		if (jBCancel == null) {
			jBCancel = new JButton();
			jBCancel.setBounds(new Rectangle(196, 76, 69, 30));
			jBCancel.setText("Cancel");
		}
		return jBCancel;
	}

	/**
	 * This method initializes jPB
	 *
	 * @return javax.swing.JProgressBar
	 */
	 JProgressBar getJPB() {
		if (jPB == null) {
			jPB = new JProgressBar();
			jPB.setBounds(new Rectangle(46, 151, 326, 27));
			jPB.setMaximum(100);
		}
		return jPB;
	}

}  //  @jve:decl-index=0:visual-constraint="10,10"