JAVA简单Swing图形界面应用演示样例

package org.rui.hello;

import javax.swing.JFrame;

/**

 * 简单的swing窗体

 * @author lenovo

 *

 */

public class HelloSwing {

	public static void main(String[] args) {

		JFrame frame=new JFrame("hello Swing");

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		frame.setSize(300,200);

		frame.setVisible(true);

	}

}

package org.rui.hello;

import java.util.concurrent.TimeUnit;

import javax.swing.JFrame;

import javax.swing.JLabel;

/**

 * JFream 中加入 一个JLabel来使事情变得更有趣

 * @author lenovo

 *

 */

public class HelloLabel {

	public static void main(String[] args) throws InterruptedException {

		JFrame frame=new JFrame("hello swing");

		JLabel label=new JLabel("A label");

		frame.add(label);

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		frame.setSize(300,100);

		frame.setVisible(true);

		TimeUnit.SECONDS.sleep(1);

		label.setText("Hey! this is Different!");

	}

}

package org.rui.hello;

import java.util.concurrent.TimeUnit;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.SwingUtilities;

/**

 * swing 有它自已的专用线程来接收UI事件并更新屏幕

 *

 * @author lenovo

 *

 */

public class SubmitLabelManipulationTask {

	public static void main(String[] args) throws InterruptedException {

		JFrame frame = new JFrame("Hello Swing");

		final JLabel label = new JLabel("A Label");

		frame.add(label);

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		frame.setSize(300, 100);

		frame.setVisible(true);

		TimeUnit.SECONDS.sleep(1);

		//专用线程

		SwingUtilities.invokeLater(new Runnable() {

			@Override

			public void run() {

				label.setText("hey! this is different");

			}

		});

	}

}

package org.rui.hello;

import java.util.concurrent.TimeUnit;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.SwingUtilities;

public class SubmitSwingProgram extends JFrame {

	JLabel label;

	public SubmitSwingProgram() {

		super("hello swing");

		label = new JLabel("A Label");

		add(label);

		setSize(300, 100);

		setVisible(true);

	}

	//

	static SubmitSwingProgram ssp;

	public static void main(String[] args) throws InterruptedException {

		//实例对象

		SwingUtilities.invokeLater(new Runnable() {

			@Override

			public void run() {

				ssp = new SubmitSwingProgram();

			}

		});

		TimeUnit.SECONDS.sleep(1);

		//设置改变文字

		SwingUtilities.invokeLater(new Runnable(){

			@Override

			public void run(){

				ssp.label.setText("hey! this is different!");

			}

		});

	}

}

package org.rui.hello;

import javax.swing.JFrame;

import javax.swing.SwingUtilities;

/**

 * 这可能是一个你想要自已使用的工具，

 * 要想使用它，你的应用就必须位于一个JFrame中

 * 静态的run方法能够将视窗的标题设置为类的简单名

 * @author lenovo

 *

 */

public class SwingConsole {

	public static void run(final JFrame f, final int width, final int height) {

		SwingUtilities.invokeLater(new Runnable() {

			@Override

			public void run() {

				f.setTitle(f.getClass().getSimpleName());

				f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

				f.setSize(width,height);

				f.setVisible(true);

			}

		});

	}

}