JAVA簡單Swing圖形界面應用演示樣例

package org.rui.hello;

import javax.swing.JFrame;

/**

* 簡單的swing窗體

* @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 一個JLabel來使事情變得更有趣

* @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 有它自已的專用線程來接收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);

//專用線程

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 {

//實例對象

SwingUtilities.invokeLater(new Runnable() {

@Override

public void run() {

ssp = new SubmitSwingProgram();

}

});

TimeUnit.SECONDS.sleep(1);

//設置改變文字

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;

/**

* 這可能是一個你想要自已使用的工具，

* 要想使用它，你的應用就必須位于一個JFrame中

* 靜態的run方法能夠將視窗的標題設置為類的簡單名

* @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);

}

});

}

}

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