将带有图像的JLabel添加到JList以显示所有图像 [英] Add JLabel with image to JList to show all the images
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问题描述
这是我的代码。它不会在框架中显示图像,而是显示一些文本。有人请建议我,我应该在代码中做出什么改变,以便它允许我在一个框架中显示图像?
Here is my code. It does not show images in the frame and instead shows some text. would anybody please suggest me that what change I should make in the code so that it allows me to show the images in a frame?
import java.awt.Component;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.DefaultListModel;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JScrollPane;
public class ListView {
public static void main(String[] args) throws IOException {
JFrame frame=new JFrame();
frame.setSize(500,500);
JLabel lbl[] = new JLabel[10];
DefaultListModel listModel;
ImageIcon[] b = new ImageIcon[10];
//JList lsm=new JList();
listModel = new DefaultListModel();
File folder = new File("C:/Documents and Settings/All Users/Documents/My Pictures/Sample Pictures");
File[] listOfFiles = folder.listFiles();
JLabel[] lb=new JLabel[15];
for (int i = 0; i < listOfFiles.length; i++)
{
System.out.println("chek panth"+listOfFiles[i].getName().toString());
// b[i] = ImageIO.read(new File("C:/Documents and Settings/All Users/Documents/My Pictures/Sample Pictures/" + listOfFiles[i].getName().toString()));
b[i] = new ImageIcon("C:/Documents and Settings/All Users/Documents/My Pictures/Sample Pictures/" + listOfFiles[i].getName().toString());
lb[i]=new JLabel(b[i]);
listModel.add(i, lb[i]);
}
JList lsm=new JList(listModel);
Component add = frame.add(new JScrollPane(lsm));
frame.setVisible(true);
}
}
推荐答案
请注意,我不会以这种方式设计代码,但我希望将其保持尽可能接近原始状态,同时使其能够在基于Windows的图像上显示图像列表框。
Note that I would not design the code this way, but I wanted to keep it as close to the original as practical, while making it work to display a list of images on a Windows based box.
import java.awt.*;
import java.awt.image.BufferedImage;
import javax.swing.*;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class ListView {
public static void main(String[] args) throws IOException {
String path = "C:/Documents and Settings/All Users/Documents/" +
"My Pictures/Sample Pictures";
JFrame frame=new JFrame();
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
File folder = new File(path);
File[] listOfFiles = folder.listFiles();
DefaultListModel listModel = new DefaultListModel();
int count = 0;
for (int i = 0; i < listOfFiles.length; i++)
{
System.out.println("check path"+listOfFiles[i]);
String name = listOfFiles[i].toString();
// load only JPEGs
if ( name.endsWith("jpg") ) {
ImageIcon ii = new ImageIcon(ImageIO.read(listOfFiles[i]));
listModel.add(count++, ii);
}
}
JList lsm=new JList(listModel);
lsm.setVisibleRowCount(1);
frame.add(new JScrollPane(lsm));
frame.pack();
frame.setVisible(true);
}
}
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