Java 将带有图像的JLabel添加到JList以显示所有图像
这是我的密码。它不会在框架中显示图像,而是显示一些文本。有谁能告诉我,我应该在代码中做些什么改变,这样我就可以在一个框架中显示图像了Java 将带有图像的JLabel添加到JList以显示所有图像,java,swing,jlist,Java,Swing,Jlist,这是我的密码。它不会在框架中显示图像,而是显示一些文本。有谁能告诉我,我应该在代码中做些什么改变,这样我就可以在一个框架中显示图像了 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.I
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);
}
}
导入java.awt.Component;
导入java.awt.Image;
导入java.awt.Toolkit;
导入java.awt.image.buffereImage;
导入java.io.File;
导入java.io.IOException;
导入javax.imageio.imageio;
导入javax.swing.DefaultListModel;
导入javax.swing.Icon;
导入javax.swing.ImageIcon;
导入javax.swing.JFrame;
导入javax.swing.JLabel;
导入javax.swing.JList;
导入javax.swing.JScrollPane;
公共类列表视图{
公共静态void main(字符串[]args)引发IOException{
JFrame=新JFrame();
框架。设置尺寸(500500);
JLabel lbl[]=新JLabel[10];
默认列表模型列表模型;
ImageIcon[]b=新的ImageIcon[10];
//JList lsm=新的JList();
listModel=新的DefaultListModel();
文件夹=新文件(“C:/Documents and Settings/All Users/Documents/My Pictures/Sample Pictures”);
File[]listOfFiles=folder.listFiles();
JLabel[]lb=新的JLabel[15];
for(int i=0;i
请注意,我不会以这种方式设计代码,但我希望它尽可能接近原始代码,同时使其能够在基于Windows的框中显示图像列表
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);
}
}
import java.awt.*;
导入java.awt.image.buffereImage;
导入javax.swing.*;
导入java.io.File;
导入java.io.IOException;
导入javax.imageio.imageio;
公共类列表视图{
公共静态void main(字符串[]args)引发IOException{
String path=“C:/Documents and Settings/All Users/Documents/”+
“我的图片/示例图片”;
JFrame=新JFrame();
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
文件夹=新文件(路径);
File[]listOfFiles=folder.listFiles();
DefaultListModel listModel=新的DefaultListModel();
整数计数=0;
for(int i=0;i
您可以使用listcellrenderer在jlist中同时显示图像和文本,可能与下面用于在列表中显示带有图标的标签类似
public class myRenderer extends DefaultListCellRenderer
{
@Override
public Component getListCellRendererComponent(JList list, Object value, int index,boolean isSelected, boolean cellHasFocus)
{
//JLabel l = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if(value instanceof JLabel)
{
this.setText(((JLabel)value).getText());
this.setIcon(((JLabel)value).getIcon());
}
return this;
}
}
感谢您尝试提供帮助:-)只是:a)您很少(就像从来没有)在列表中有组件模型b)请学习java命名约定并坚持这些约定没错,但是我的朋友在将带有图标的jlabel添加到列表中时遇到了问题,所以我必须以某种方式找到解决方案