hw1287789687的专栏

Java swing 常用代码片段:(1)复制全部JButton copyAll=new JButton("复制全部"); copyAll.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { String...

swing中报异常:Exception in thread "AWT-EventQueue-0" java.lang.IllegalStateException: Attempt to mutate in notification 原因:在文本框的监听器DocumentListener 中修改该文本框内容有问题的代码: 解决方法:增加一个线程,在线程中修改文本框的内容: ...

java swing从剪切板黏贴图片  代码:public static BufferedImage getClipboardImage(Frame frame) { // java.lang.ClassCastException: sun.awt.datatransfer.TransferableProxy cannot be cast to sun.awt.datatran...

java swing itemStateChanged为什么执行了两次? 解决方法:增加如下条件判断:@Override public void itemStateChanged(ItemEvent e) { if(e.getStateChange()==ItemEvent.SELECTED){ }}   ...