Clipboard clipbord;
clipbord=Toolkit.getDefaultToolkit().getSystemClipboard();//创建剪切板对象
menu.addSeparator();
JMenuItem item2= new JMenuItem("剪贴(T)",KeyEvent.VK_T);
menu.add(item2);
item2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
String temp=jta.getSelectedText();
StringSelection text=new StringSelection(temp);
//这里报错 clipbord.setContents(text, null); int start=jta.getSelectionStart();
int end=jta.getSelectionEnd();
jta.replaceRange("", start, end);
}
});