错在哪？为什么显示不出图像来

freezhATsis 2009-03-26 08:29:34


//工具栏

JButton toolNewFile = new JButton(new ImageIcon("images/toolNewFile.jpg"));

JButton toolOpenFile = new JButton(new ImageIcon("images/toolOpenFile.jpg"));

JButton toolSaveFile = new JButton(new ImageIcon("images/toolSaveFile.jpg"));

JButton toolCopy = new JButton(new ImageIcon("images/toolCopy.jpg"));

JButton toolCut = new JButton(new ImageIcon("images/toolCut.jpg"));

JButton toolPaste = new JButton(new ImageIcon("images/toolPaste.jpg"));

JButton toolSelectAll = new JButton(new ImageIcon("images/toolSelectAll.jpg"));


图片在文件夹images中,文件夹与源文件同目录下！

...全文
153 12 打赏 收藏 转发到动态 举报
写回复
用AI写文章
12 条回复
切换为时间正序
请发表友善的回复…
发表回复
zswzkl 2011-06-22
  • 打赏
  • 举报
 回复
很简但 把完整路径写上就行
hoojo 2009-03-26
  • 打赏
  • 举报
 回复 


JLabel w4 = new JLabel("");

            

    w4.setBounds(0,35,325,220);

    w4.setBackground(Color.white);

    img2=new ImageIcon("q.gif");

    w4.setIcon(img2);

试试看 这个
freezhATsis 2009-03-26
  • 打赏
  • 举报
 回复
[Quote=引用 3 楼 IBM_hoojo 的回复:]
你用的是什么图片 jpg
要ico 的
ImageIcon
[/Quote]

我用ico 和 jpg的都不行
hoojo 2009-03-26
  • 打赏
  • 举报
 回复
随便啦
觉得那个说的有道理 或是 比较接近答案
或是 解决问题了
就给
只是多少的问题 大家有不会怪你
0分的帖也有人会
只要是问题 不是广告
freezhATsis 2009-03-26
  • 打赏
  • 举报
 回复


抱歉，我之前不晓得要结账的。

难道每个人都要给吗？

我的分不够 啊
freezhATsis 2009-03-26
  • 打赏
  • 举报
 回复

//添加事件监听

newItem.addActionListener(this);
openItem.addActionListener(this);
saveItem.addActionListener(this);
printItem.addActionListener(this);
exitItem.addActionListener(this);
copyItem.addActionListener(this);
cutItem.addActionListener(this);
pasteItem.addActionListener(this);
selectItem.addActionListener(this);
aboutItem.addActionListener(this);
toolNewFile.addActionListener(this);
toolOpenFile.addActionListener(this);
toolSaveFile.addActionListener(this);
toolCut.addActionListener(this);
toolCopy.addActionListener(this);
toolPaste.addActionListener(this);
toolSelectAll.addActionListener(this);


}


//实现监听接口

public void actionPerformed(ActionEvent e){

Object eventSource = e.getSource();

if((eventSource == newItem) || (eventSource == toolNewFile)){
textArea.setText("");
}else if((eventSource == openItem) || (eventSource == toolOpenFile)){
openFileDialog.setVisible(true);
fileName = openFileDialog.getDirectory() + openFileDialog.getFile();
if(fileName != null)
readFile(fileName);
}else if((eventSource == saveAsItem) || (eventSource == toolSaveFile)){
saveAsFileDialog.setVisible(true);
fileName = saveAsFileDialog.getDirectory() + saveAsFileDialog.getFile();
if(fileName != null)
writeFile(fileName);
}else if((eventSource == selectItem) || (eventSource == toolSelectAll)){
textArea.selectAll();
}else if((eventSource == copyItem) || (eventSource == toolCopy)){
String text = textArea.getSelectedText();
StringSelection selection = new StringSelection(text);
clipBoard.setContents(selection,null);
}else if((eventSource == cutItem) || (eventSource == toolCut)){
String text = textArea.getSelectedText();
StringSelection selection = new StringSelection(text);
clipBoard.setContents(selection,null);
//剪切时用空串代替被选的字符
textArea.replaceRange("",textArea.getSelectionStart(),textArea.getSelectionEnd());
}else if((eventSource == pasteItem) || (eventSource == toolPaste)){
Transferable contents = clipBoard.getContents(this);
if(contents == null)
return;
String text;
text = "";
try{
text = (String)contents.getTransferData(DataFlavor.stringFlavor);
}catch(Exception exception){}
textArea.replaceRange(text,textArea.getSelectionStart(),textArea.getSelectionEnd());
}else if(eventSource == printItem){
PrinterJob prtme = PrinterJob.getPrinterJob();
prtme.printDialog();
}else if(eventSource == exitItem){
System.exit(0);
}else if(eventSource == aboutItem){
JFrame aboutFrame = new JFrame("关于记事本");
JPanel aboutPanel = new JPanel(new GridLayout(0,1));
JPanel exitPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
JLabel label1 = new JLabel("感谢使用");
JLabel label2 = new JLabel("欢迎技术交流");
JLabel label3 = new JLabel("邮箱：good-_-man@live.cn");
JButton exitButton = new JButton("确定");

//Container contentPane = getContentPane();
/* exitButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.exit(0);
}
});
*/
aboutPanel.add(label1);
aboutPanel.add(label2);
aboutPanel.add(label3);
//exitPanel.add(exitButton);
aboutFrame.add(aboutPanel);
//aboutFrame.add(exitPanel);
//aboutFrame.add(exitButton);

//contentPane.add(aboutPanel,BorderLayout.NORTH);
//contentPane.add(exitPanel,BorderLayout.CENTER);
aboutFrame.setDefaultLookAndFeelDecorated(true);
//aboutFrame.setSize(300,200);
aboutFrame.pack();
aboutFrame.setVisible(true);

}
}

/* protected JButton buttonIcon(String imageName,String buttonName){

String imgLocation = "images/" + imageName + ".gif";
URL imageURL = EditerDemo.class.getResource(imgLocation);
JButton button = new JButton();
button.setIcon(new ImageIcon(imageURL));

return button;
}
*/

//读文件
public void readFile(String fileName){
try{
File file = new File(fileName);
FileReader readIn = new FileReader(file);
int size = (int)file.length();
int charsRead = 0;
char[] content = new char[size];
while(readIn.ready())
charsRead += readIn.read(content,charsRead,size-charsRead);
readIn.close();
textArea.setText(new String(content,0,charsRead));
}catch(Exception e){
System.out.println("Error opening file");
}
}

//写文件
public void writeFile(String fileName){
try{
File file = new File(fileName);
FileWriter writerOut = new FileWriter(file);
writerOut.write(textArea.getText());
writerOut.close();
}catch(Exception e){
System.out.println("Error writing file");
}

}




public static void main(String []args){


JFrame frame = new EditerDemo();
frame.setDefaultLookAndFeelDecorated(true);

//frame.pack();
frame.setVisible(true) ;

}

}

hoojo 2009-03-26
  • 打赏
  • 举报
 回复 




	JLabel w4 = new JLabel("");

			

	w4.setBounds(0,35,325,220);

	w4.setBackground(Color.white);

	img2=new ImageIcon("q.gif");

	w4.setIcon(img2);

试试看 这个
freezhATsis 2009-03-26
  • 打赏
  • 举报
 回复

//添加事件监听

newItem.addActionListener(this);
openItem.addActionListener(this);
saveItem.addActionListener(this);
printItem.addActionListener(this);
exitItem.addActionListener(this);
copyItem.addActionListener(this);
cutItem.addActionListener(this);
pasteItem.addActionListener(this);
selectItem.addActionListener(this);
aboutItem.addActionListener(this);
toolNewFile.addActionListener(this);
toolOpenFile.addActionListener(this);
toolSaveFile.addActionListener(this);
toolCut.addActionListener(this);
toolCopy.addActionListener(this);
toolPaste.addActionListener(this);
toolSelectAll.addActionListener(this);


}


//实现监听接口

public void actionPerformed(ActionEvent e){

Object eventSource = e.getSource();

if((eventSource == newItem) || (eventSource == toolNewFile)){
textArea.setText("");
}else if((eventSource == openItem) || (eventSource == toolOpenFile)){
openFileDialog.setVisible(true);
fileName = openFileDialog.getDirectory() + openFileDialog.getFile();
if(fileName != null)
readFile(fileName);
}else if((eventSource == saveAsItem) || (eventSource == toolSaveFile)){
saveAsFileDialog.setVisible(true);
fileName = saveAsFileDialog.getDirectory() + saveAsFileDialog.getFile();
if(fileName != null)
writeFile(fileName);
}else if((eventSource == selectItem) || (eventSource == toolSelectAll)){
textArea.selectAll();
}else if((eventSource == copyItem) || (eventSource == toolCopy)){
String text = textArea.getSelectedText();
StringSelection selection = new StringSelection(text);
clipBoard.setContents(selection,null);
}else if((eventSource == cutItem) || (eventSource == toolCut)){
String text = textArea.getSelectedText();
StringSelection selection = new StringSelection(text);
clipBoard.setContents(selection,null);
//剪切时用空串代替被选的字符
textArea.replaceRange("",textArea.getSelectionStart(),textArea.getSelectionEnd());
}else if((eventSource == pasteItem) || (eventSource == toolPaste)){
Transferable contents = clipBoard.getContents(this);
if(contents == null)
return;
String text;
text = "";
try{
text = (String)contents.getTransferData(DataFlavor.stringFlavor);
}catch(Exception exception){}
textArea.replaceRange(text,textArea.getSelectionStart(),textArea.getSelectionEnd());
}else if(eventSource == printItem){
PrinterJob prtme = PrinterJob.getPrinterJob();
prtme.printDialog();
}else if(eventSource == exitItem){
System.exit(0);
}else if(eventSource == aboutItem){
JFrame aboutFrame = new JFrame("关于记事本");
JPanel aboutPanel = new JPanel(new GridLayout(0,1));
JPanel exitPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
JLabel label1 = new JLabel("感谢使用");
JLabel label2 = new JLabel("欢迎技术交流");
JLabel label3 = new JLabel("邮箱：good-_-man@live.cn");
JButton exitButton = new JButton("确定");

//Container contentPane = getContentPane();
/* exitButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.exit(0);
}
});
*/
aboutPanel.add(label1);
aboutPanel.add(label2);
aboutPanel.add(label3);
//exitPanel.add(exitButton);
aboutFrame.add(aboutPanel);
//aboutFrame.add(exitPanel);
//aboutFrame.add(exitButton);

//contentPane.add(aboutPanel,BorderLayout.NORTH);
//contentPane.add(exitPanel,BorderLayout.CENTER);
aboutFrame.setDefaultLookAndFeelDecorated(true);
//aboutFrame.setSize(300,200);
aboutFrame.pack();
aboutFrame.setVisible(true);

}
}

/* protected JButton buttonIcon(String imageName,String buttonName){

String imgLocation = "images/" + imageName + ".gif";
URL imageURL = EditerDemo.class.getResource(imgLocation);
JButton button = new JButton();
button.setIcon(new ImageIcon(imageURL));

return button;
}
*/

//读文件
public void readFile(String fileName){
try{
File file = new File(fileName);
FileReader readIn = new FileReader(file);
int size = (int)file.length();
int charsRead = 0;
char[] content = new char[size];
while(readIn.ready())
charsRead += readIn.read(content,charsRead,size-charsRead);
readIn.close();
textArea.setText(new String(content,0,charsRead));
}catch(Exception e){
System.out.println("Error opening file");
}
}

//写文件
public void writeFile(String fileName){
try{
File file = new File(fileName);
FileWriter writerOut = new FileWriter(file);
writerOut.write(textArea.getText());
writerOut.close();
}catch(Exception e){
System.out.println("Error writing file");
}

}




public static void main(String []args){


JFrame frame = new EditerDemo();
frame.setDefaultLookAndFeelDecorated(true);

//frame.pack();
frame.setVisible(true) ;

}

}

freezhATsis 2009-03-26
  • 打赏
  • 举报
 回复
package demo;


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.io.*;
import java.lang.*;
import java.awt.datatransfer.*;
import java.awt.print.*;
//import java.net.URL;
import javax.swing.Icon;
import java.io.File;
import javax.swing.ImageIcon;



public class EditerDemo extends JFrame implements ActionListener{


JMenuBar menuBar = new JMenuBar();
JToolBar toolBar = new JToolBar();

JTextArea textArea = new JTextArea();
{
textArea.setLineWrap(true);
}
//textArea.setEditbale(true);
JScrollPane scrollPane = new JScrollPane(textArea);

//菜单栏
//JMenuBar menuBar = new JMenuBar();
//菜单项
JMenu fileMenu = new JMenu("文件(F)");
JMenuItem newItem = new JMenuItem("新建(N)");
JMenuItem openItem = new JMenuItem("打开(O)");
JMenuItem saveItem = new JMenuItem("保存(S)");
JMenuItem saveAsItem = new JMenuItem("另存为(A)");
JMenuItem printItem = new JMenuItem("打印(P)");
JMenuItem exitItem = new JMenuItem("退出(X)");

JMenu editMenu = new JMenu("编辑(E)");
JMenuItem copyItem = new JMenuItem("复制(C)");
JMenuItem cutItem = new JMenuItem("剪切(T)");
JMenuItem pasteItem = new JMenuItem("粘贴(P)");
JMenuItem selectItem = new JMenuItem("全选(E)");


JMenu helpMenu = new JMenu("帮助(H)");
JMenuItem aboutItem = new JMenuItem("关于记事本");

//工具栏
//JButton toolNewFile = new JButton("新建");
JButton toolNewFile = new JButton(new ImageIcon("images/toolNewFile.jpg"));
//JButton toolOpenFile = new JButton("打开");
JButton toolOpenFile = new JButton(new ImageIcon("images/toolOpenFile.jpg"));
//JButton toolSaveFile = new JButton("保存");
JButton toolSaveFile = new JButton(new ImageIcon("images/toolSaveFile.jpg"));
//JButton toolCopy = new JButton("复制");
JButton toolCopy = new JButton(new ImageIcon("images/toolCopy.jpg"));
//JButton toolCut = new JButton("剪切");
JButton toolCut = new JButton(new ImageIcon("images/toolCut.jpg"));
//JButton toolPaste = new JButton("粘贴");
JButton toolPaste = new JButton(new ImageIcon("images/toolPaste.jpg"));
//JButton toolSelectAll = new JButton("全选");
JButton toolSelectAll = new JButton(new ImageIcon("images/toolSelectAll.jpg"));

String fileName = "NoName";
Toolkit toolkit = Toolkit.getDefaultToolkit();
Clipboard clipBoard =toolkit.getSystemClipboard();

/**打开文件对话框和保存对话框 */
private FileDialog openFileDialog = new FileDialog(this,"Open File",FileDialog.LOAD);

private FileDialog saveAsFileDialog = new FileDialog(this,"Save File As",FileDialog.SAVE);


public EditerDemo(){

setTitle("记事本Demo版");
setFont(new Font("Times New Roman",Font.PLAIN,12));
// SetBackground(Color.while);
setSize(400,300);

fileMenu.setMnemonic('F');
editMenu.setMnemonic('E');
helpMenu.setMnemonic('H');

fileMenu.add(newItem);
newItem.setMnemonic('N');
newItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK));

fileMenu.add(openItem);
openItem.setMnemonic('O');
openItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,InputEvent.CTRL_MASK));

fileMenu.add(saveItem);


fileMenu.add(saveAsItem);
saveAsItem.setMnemonic('A');
saveAsItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A,InputEvent.CTRL_MASK));

fileMenu.addSeparator();

fileMenu.add(printItem);
printItem.setMnemonic('P');
printItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P,InputEvent.CTRL_MASK));

fileMenu.addSeparator();

fileMenu.add(exitItem);
exitItem.setMnemonic('X');
exitItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,InputEvent.CTRL_MASK));

editMenu.add(copyItem);
copyItem.setMnemonic('C');
copyItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,InputEvent.CTRL_MASK));

editMenu.add(cutItem);
cutItem.setMnemonic('T');
cutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T,InputEvent.CTRL_MASK));

editMenu.add(pasteItem);
pasteItem.setMnemonic('P');
pasteItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P,InputEvent.CTRL_MASK));

editMenu.addSeparator();

editMenu.add(selectItem);
selectItem.setMnemonic('E');
selectItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_E,InputEvent.CTRL_MASK));

helpMenu.add(aboutItem);


toolBar.add(toolNewFile);
toolBar.add(toolOpenFile);
toolBar.add(toolSaveFile);

toolBar.add(Box.createHorizontalStrut(4));
//toolBar.add(new JSeparator(SwingConstants.VERTICAL));
toolBar.add(Box.createHorizontalStrut(4));

toolBar.add(toolCopy);
toolBar.add(toolCut);
toolBar.add(toolPaste);
toolBar.add(toolSelectAll);

menuBar.add(fileMenu);
menuBar.add(editMenu);
menuBar.add(helpMenu);



setJMenuBar(menuBar);
//setJMenuBar(toolBar);
add(toolBar,BorderLayout.PAGE_START);
add(scrollPane,BorderLayout.CENTER);

//add(textArea);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
hoojo 2009-03-26
  • 打赏
  • 举报
 回复
老大 你结贴率 还真高啊
上次帮你回答的帖 还没有结
真不厚道
你用的是什么图片 jpg
要ico 的
ImageIcon
大家都是搞软件的 经常会遇到问题的
问问 没有什么的
干嘛 挂分 要不结贴呢
如果没有分 大家同样也会帮你回复的
这样做我觉得不怎么好
不善^ 2009-03-26
  • 打赏
  • 举报
 回复
你 添加 button没啊？？
add(toolNewFile) 等
jeson168 2009-03-26
  • 打赏
  • 举报
 回复
把你的全部代码COPE过来
有时头文件没引用图片显示不了
解决seaborn在pycharm中绘图不出图的问题
今天小编就为大家分享一篇解决seaborn在pycharm中绘图不出图的问题，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧
计算机显示器不显示图像,电脑显示器不出图像怎么办
在有些时候我们的电脑显示器不出图像，这该怎么办呢?下面就由学习啦小编来为你们简单的介绍电脑显示器不出图像的原因及解决方法吧!希望你们喜欢!电脑显示器不出图像的解决方法一：显示器不出图像是因为没有收到显卡发送过来的显示信号，自动节能，进入待机状态，当然就没有图像了。1，检查显示器和显卡的连接(特别是有独显和集显的，不要接到集显上)是否正确，接触是否良好。把你的显示器接到别人的电脑上，如能显示，说明你...
VS中配置opencv调用imshow显示不出图像
OpenCV在VS2015中的配置过程可以参考博客：https://blog.csdn.net/yeql_170/article/details/81133061 在之后的某一次配置中，出现了如题的问题，解决方法参考博客：https://blog.csdn.net/qq_40807472/article/details/79807646 如下： 配置OpenCV的其中一个步骤“4.2.4 动...
html为什么图片有的显示不出来,网页显示不出图片怎么办 6种常见的解决方案详解...
我们上网的时候，可能因为种种原因导致网页显示不出图片，那么网页显示不出图片怎么办呢?有哪些解决的方法?接下来小编就简单的给大家介绍一下网页显示不出图片怎么办?网页显示不出图片怎么办1、网速问题网页显示不出图片有可能是因为电脑的网速比较慢，电脑中开启的软件比较多，而我们访问的图片比较大，这就可能因为加载超时，导致图片显示不出来，我们可以将比较占网速的软件将关掉，比如说迅雷等。2、访问人数过多网页显示...
MATLAB - 为什么imshow(g,[])可以正常显示，而imshow(g)却显示空白图像？
Q：为什么imshow(g,[])可以正常显示，而imshow(g)却显示空白图像？ A：数据类型如果是double，imshow的处理范围是0-1数据类型如果是uint8，imshow的处理范围是0-255如果数据是0-255的，类型又是double，直接imshow会把大于1的都当成1，就是一片白了解决方法1 imshow(uint8(img));2 imshow(img, []);...
Java SE

62,614

社区成员

307,327

社区内容

发帖
与我相关
我的任务
社区描述
Java 2 Standard Edition
社区管理员
  • Java SE
加入社区
  • 近7日
  • 近30日
  • 至今

加载中

查看更多榜单
社区公告
暂无公告

试试用AI创作助手写篇文章吧

+ 用AI写文章