start.java~3~

一个初级的管理系统

package studentsystem;
import javax.swing.JFrame;
import java.awt.BorderLayout;
import java.io.File;
import java.awt.Window;
import java.awt.Toolkit;
import java.awt.Canvas;
import java.awt.Image;
import java.awt.Graphics;
import java.awt.Dimension;


public class Start
    extends JFrame {
    BorderLayout borderLayout1 = new BorderLayout();
    Window windowSplash;


  public Start() {
    try {
      jbInit();
      prepareSplash();
      startSplash();

      Thread splash = new Thread();
      splash.sleep(2000);
      stopSplash();

     mainFrame m=new mainFrame();
     Log log=new Log();
     log.addLog("\r\r","打开了系统");
      log.closeStream();
     //m.setVisible(true);


    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }


  private void jbInit() throws Exception {
    getContentPane().setLayout(borderLayout1);
    //this.setBounds(200,200,480,320);
  }

  private void prepareSplash() {
    Toolkit toolkit = Toolkit.getDefaultToolkit();
    windowSplash = new Window(this);
    //Image img= toolkit.getImage("splash.png");
    Image img= toolkit.getImage("images"+File.separator+"xuan1.jpg");
    ImageCanvas canvas= new ImageCanvas(img);
    windowSplash.add(canvas, "Center");
    Dimension scmSize = toolkit.getScreenSize();
    int imgWidth = 612;
    int imgHeight = 457;
    windowSplash.setLocation(scmSize.width/2 - (imgWidth/2), scmSize.height/2 - (imgHeight/2));
    windowSplash.setSize(imgWidth, imgHeight);
  }
  public static void main(String[] args)
 {
       Start wel=new Start();

 }


 private void startSplash()
{
   windowSplash.setVisible(true);
   windowSplash.toFront();
}
 private void stopSplash()
 {
   windowSplash.dispose();
}

}
class ImageCanvas extends Canvas
{
  Image image;
       public ImageCanvas(Image img)
       {
         this.image=img;
       }
      public void paint(Graphics g)
       {
         g.drawImage(image,0,0,this);

       }
}