我正在尝试创建一个程序,但它没有显示任何JFrame奇怪的内容。代码似乎很合适,但 java 似乎很困惑什么的。到目前为止,这是我的代码:
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.io.IOException;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
public class Img extends JFrame{
/**
*
*/
private static final long serialVersionUID = -6362332275268668673L;
static JFrame panel = new JFrame();
private JButton next= new JButton("Next");
public Img(String a, String b){
ShowPng1(a,b);
}
public void ShowPng1(String a, String b) {
ImageIcon theImage = new ImageIcon("Icon_Entry_21.png");
panel.setSize(300, 300);
panel.setResizable(false);
JLabel label = new JLabel(a);
JLabel label2 = null;
if(!b.isEmpty()){
label2 = new JLabel("NOTE: " + b);
}
JLabel imageLabel = new JLabel(theImage);
imageLabel.setOpaque(true);
JPanel p1 = new JPanel(new GridLayout(3, 1));
p1.add(imageLabel);
p1.add(label);
if(label2 != null)p1.add(label2);
panel.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel.setVisible(true);
}
public void ShowPng2(String a, String b) {
ImageIcon theImage = new ImageIcon("Icon_Entry_21.png");
panel.setSize(300, 300);
panel.setResizable(false);
JLabel label = new JLabel(a);
JLabel label2 = null;
if(!b.isEmpty()){
label2 = new JLabel("NOTE: " + b);
}
JLabel imageLabel = new JLabel(theImage);
imageLabel.setOpaque(true);
JPanel p1 = new JPanel(new GridLayout(3, 1));
p1.add(imageLabel);
p1.add(label);
if(label2 != null)p1.add(label2);
p1.add(next);
panel.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel.setVisible(true);
try {
Runtime.getRuntime().exec("cmd /c start mailrugames://play/0.3001");
} catch (IOException e) {
JOptionPane.showMessageDialog(null, "Error launching client.","Error", JOptionPane.ERROR_MESSAGE);
System.exit(-1);
}
}
public void actionPerformed(ActionEvent e) {
try {
ShowPng1("Applying patch NOW.","");
Process p1 = Runtime.getRuntime().exec("cmd /c start Start.bat");
p1.waitFor();
JOptionPane.showMessageDialog(null, "Done!","Note", JOptionPane.INFORMATION_MESSAGE);
System.exit(0);
} catch (IOException e1) {
e1.printStackTrace();
System.exit(-1);
} catch (InterruptedException e1) {
e1.printStackTrace();
System.exit(-1);
}
}
public static void main(String[] args) throws IOException, InterruptedException {
Img i = new Img("Preparing client for a patch","");
Process p1 = Runtime.getRuntime().exec("cmd /c start Clean.bat");
p1.waitFor();
Img.panel.dispose();
i.ShowPng2("Launching client.","Make sure the client is fully patched before closing it and clicking `Next`");
}
}
Run Code Online (Sandbox Code Playgroud)
应该将图像加载imageLabel到容器内,表现出一定的文字label,并label2在底部。ShowPng1()和之间的区别ShowPng2()是 Next 按钮,它位于ShowPng2().
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