dispimage.java

java简单算法

package dipImage;

import java.awt.*;
import javax.swing.*;

public class DispImage extends JFrame {

	private static final long serialVersionUID = 1L;
	Image image = null;
	JLabel label = null;

	public DispImage(String str1, String str2) {
		super(str1);
		//按图片实际大小显示
		//image = Toolkit.getDefaultToolkit().getImage(str2);
		//设置固定大小显示图片
		image = Toolkit.getDefaultToolkit().getImage(str2).getScaledInstance(500, 500, 100);
		label = new JLabel(new ImageIcon(image));
		display();
	}

	public void display() {
		this.setBounds(200, 200, 200, 200);
		getContentPane().add(label, BorderLayout.CENTER);
		pack();
		setVisible(true);
	}

	public static void main(String[] args) {
		new DispImage("显示图片", "src/1.jpg");
	}

}