java 小例子 桌面渐隐 tip

java 小例子 桌面渐隐 tip 话不多说 直接上代码

package service.com;

import java.awt.Dimension;

import java.awt.MouseInfo;

import java.awt.Point;

import java.awt.Toolkit;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.JEditorPane;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JRootPane;

import javax.swing.UIManager;

import javax.swing.UnsupportedLookAndFeelException;

import com.sun.awt.AWTUtilities;

@SuppressWarnings({ “restriction”, “unused” })

public class TipWindow {

JFrame frame;

JLabel label;

JEditorPane editorPane;

private int width;// 窗体宽度

private int height;// 窗体高度

private int stayTime;// 休眠时间

private String title;// 消息标题

private String message;// 窗体内容

private int style;// 窗体样式

static {

try {

// 设置界面外观

UIManager.setLookAndFeel(“javax.swing.plaf.nimbus.NimbusLookAndFeel”);

} catch (Exception e) {

e.printStackTrace();

}

}

/**

• @param width 提示框宽度

• @param height 提示框高度

• @param stayTime 提示框停留时间

• @param style 提示框的样式

• @param title 提示框标题

• @param message 提示框内容（支持HTML标签）

*/

public TipWindow(int width, int height, int stayTime, int style, String title, String message) {

this.width = width;

this.height = height;

this.stayTime = stayTime;

this.style = style;

this.title = title;

this.message = message;

}

public TipWindow(int stayTime, int style, String title, String message) {

this.width = 300;

this.height = 100;

this.stayTime = stayTime;

this.style = style;

this.title = title;

this.message = message;

}

public void initialize() {

frame = new JFrame();

editorPane = new JEditorPane();

editorPane.setEditable(false);

editorPane.setContentType(“text/html”);

editorPane.setText(message);

frame.add(editorPane);

frame.setTitle(title);

// 设置窗体的位置及大小

// Point location = MouseInfo.getPointerInfo().getLocation();

// frame.setBounds((int)location.getX(), (int)location.getY(), width,

// height);

Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize();

int w = (int) screensize.getWidth();

int h = (int) screensize.getHeight();

frame.setBounds((w - width - 20), (h - height - 100), width, height);

frame.setUndecorated(true);// 去掉窗口的装饰

frame.getRootPane().setWindowDecorationStyle(style);//设置窗体样式

// AWTUtilities.setWindowOpacity(frame, 0);//初始化透明度

frame.setVisible(true);

frame.setAlwaysOnTop(true);// 窗体置顶

frame.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {

hide();

}

});

}

// 窗体逐渐变清晰

public void show() {

for (int i = 1; i < 20; i++) {

try {

Thread.sleep(50);

} catch (Exception e) {

AWTUtilities.setWindowOpacity(frame, i * 0.05F);

}

}

}

// 窗体逐渐变淡甚至消失

public void hide() {

float opacity = 100;

while (true) {

if (opacity < 2) {

break;

}

opacity -= 2;

AWTUtilities.setWindowOpacity(frame, opacity / 100);

try {

Thread.sleep(150);

} catch (Exception e) {

e.printStackTrace();

}

}

frame.dispose();

}

public void run() {

initialize();

show();

try {

Thread.sleep(stayTime * 1000);

} catch (Exception e) {

e.printStackTrace();

}

hide();

}

public static void main(String[] args) {

String title = “友情提示！”;

String message = “主人!
该休息了！”;

TipWindow tipWindow = new TipWindow(2, JRootPane.QUESTION_DIALOG, title, message);

tipWindow.run();

}

}