login.java

秩序更改试题库

//完成
import java.awt.*;
import javax.swing.*;
import java.util.*;
import javax.swing.JOptionPane;//导入对话框包
public class Login extends JWindow{
    Imagecanvas1 canvas=new Imagecanvas1();
    public Login() {
        Toolkit tool=getToolkit();
        Dimension dim=tool.getScreenSize();
        setBounds(dim.width/2-175,dim.height/2-107,350,214);
        add(canvas);
        this.setAlwaysOnTop(true);
        this.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
    setVisible(true);
    validate();
    try{
        Thread.sleep(1500);this.setVisible(false);
        new FormStyle("欢迎使用标准化考试系统");
    }
    catch(Exception e)
    {}
    }
    class Imagecanvas1 extends Canvas//背景图片
   {
       Toolkit tool1;
       Image image1;
       Imagecanvas1()
       {
           tool1=getToolkit();
           image1=tool1.getImage("./src/pic/start.jpg");
       }
       public void paint(Graphics g)
       {
           g.drawImage(image1,0,0,this);
       }
   }

   public static void main(String[] args)
   {
        new Login();
    }
}