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我有一个打包成jar的applet,虽然它运行(用控制台中显示的打印语句测试),但它只显示一个空白屏幕。Applet在浏览器中显示空白屏幕
这里是applet代码:
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JLayeredPane;
public class Test extends JApplet {
JLayeredPane frame = new JLayeredPane();
JButton button = new JButton("Test");
JLabel backgroundLabel;
public void init() {
button.setBounds(10, 10, 100, 40);
backgroundLabel = new JLabel(){
public void paintComponent(Graphics g){
super.paintComponent(g);
Graphics2D g2d = (Graphics2D)g;
g2d.setPaint(new GradientPaint(
new Point(0, 0),
new Color(90, 207, 233),
new Point(0, getHeight()),
Color.white));
g2d.fillRect(0, 0, getWidth(), getHeight());
g2d.dispose();
}
};
backgroundLabel.setBounds(0, 0, getWidth(), getHeight());
frame.add(backgroundLabel, new Integer(0));
frame.add(button, new Integer(1));
add(frame);
}
}
这是html代码:
<applet
id="clientApplet"
codebase="test"
code="Test.class"
archive="test.jar"
width="820" height="600">
Your browser does not support the <code>applet</code> tag.
</applet>
小应用程序工作正常,在Eclipse和没有错误在控制台中显示出来。任何人都可以请说出问题可能是什么?
'JLayeredPane frame..'对于JLayeredPayne的实例来说这是一个非常糟糕的名字。从名字来看,我曾预期过一个'JFrame'。 –