java启动界面的实现，java启动界面实现,在应用程序启动的时候，如

java启动界面的实现，java启动界面实现,在应用程序启动的时候，如

在应用程序启动的时候，如果初始化的时间较长，通常需要安排一个表示欢迎使用本应用程序的启动界面，初始化完成时该界面消失，这就是平时说的快闪窗口（SplashWindows）...

[Java]代码

import java.awt.BorderLayout;import java.awt.Dimension;import java.awt.Font;import java.awt.Label;import java.awt.Toolkit;import java.net.URL;import javax.swing.ImageIcon;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JWindow;public class JSplashWindow extends JWindow implements Runnable{     Thread splashThread=null;     public JSplashWindow(){         Dimension screen=getToolkit().getScreenSize();         JPanel splash=new JPanel(new BorderLayout());         URL url=getClass().getResource("robot1_256.png");         if(url!=null){             splash.add(new JLabel(new ImageIcon(url)),BorderLayout.CENTER);         }         setContentPane(splash);         pack();         setLocation((screen.width-getSize().width)/2, (screen.height-getSize().height)/2);     }     public void start(){         this.toFront();         splashThread=new Thread(this);         splashThread.start();     }    public void run() {      try{          setVisible(true);          Thread.sleep(3000);      }catch(Exception e){          System.out.println(e.toString());      }      this.dispose();      showFrame("Rendroid Bate1");    }  static void showFrame(String title){       Dimension ScreenSize=Toolkit.getDefaultToolkit().getScreenSize();       JFrame frame=new JFrame(title);       frame.setSize(400,300);       frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);       if(frame.getSize().height>ScreenSize.height){           frame.getSize().height=ScreenSize.height;       }       if(frame.getSize().width>ScreenSize.width){           frame.getSize().width=ScreenSize.width;       }       frame.setLocation((ScreenSize.width-frame.getSize().width)/2,                (ScreenSize.height-frame.getSize().height)/2);       Label lb=new Label("Welcome To Rendroid");       frame.getContentPane().add(lb,BorderLayout.CENTER);       lb.setFont(new Font("default",1,36));       frame.setVisible(true);   }  public static void main(String []args){      JSplashWindow Jsplash=new JSplashWindow();      Jsplash.start();  }}