start.java

学生档案管理系统

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package 学生档案管理系统;

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(3000);
      stopSplash();

      MainFrame m = new MainFrame();
      //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 + "BackGround.jpg");
    ImageCanvas canvas = new ImageCanvas(img);
    windowSplash.add(canvas, "Center");
    Dimension scmSize = toolkit.getScreenSize();
    int imgWidth =560;
    int imgHeight = 420;
    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);

  }
}