the preferredSizes. If you read the javadoc and tutorials for most of the layout managers, you'll see that they respect the preferred sizes most. Some, like BoxLayout, also look at the maximum size and minimum size as well. Share Improve this answer Follow edited Mar 15, 2014 at 22:1...
JPanel只是用于容纳其他组件的容器。 jdialog是一个通用对话框,可以通过添加其他组件进行定制。(有关这方面的更多信息,请参见如何向JDialog添加组件) JoptionPane可以看作是一个特殊用途的对话框。从javadoc(加了重点): public static Object showInputDialog(Component parentComponent, Object message, String title, ...
编辑 您有关于包和组件大小的删除注释.我的答复是: 该pack()方法要求布局管理器对组件进行布局,并且布局管理器在这里很重要 - 它们看起来是什么,大小与preferredSizes相比.如果您阅读了大多数布局管理器的javadoc和教程,您会发现它们最符合首选大小.有些像BoxLayout一样,也会考虑最大尺寸和最小尺寸.归档...
This forces the panel to recalculate its preferred size based on the preferred sizes of its subcomponenents. You may or may not have to call validate() afterward; in my tiny example, it seemed to make no difference, but the Javadoc says: The validate method is used to cause a container ...
This * class is adapted from the example provided in the Javadoc documentation for * {@code javafx.embed.swing.JFXPanel}. */ public class SwingJavaFxInteroperabilityDemo { private static void initAndShowGUI() { // This method is invoked on Swing thread final JFrame frame = new JFrame("...
This * class is adapted from the example provided in the Javadoc documentation for * {@code javafx.embed.swing.JFXPanel}. */ public class SwingJavaFxInteroperabilityDemo { private static void initAndShowGUI() { // This method is invoked on Swing thread final JFrame frame = new JFrame("...
javax.swing Class JPanel java.lang.Object java.awt.Component java.awt.Container javax.swing.JComponent javax.swing.JPanel All Implemented Interfaces: ImageObserver,MenuContainer,Serializable,Accessible Direct Known Subclasses: AbstractColorChooserPanel,JSpinner.DefaultEditor ...
@kleopatra,谢谢,我没有意识到...根据javadoc:"此外,如果你没有调用者超级实现,你必须尊重opaque属性,即如果这个组件是不透明的,你必须完全填写后台一种不透明的颜色。如果你不尊重不透明的属性,你可能会看到视觉文物。"我现在更新答案。 在覆盖超类的方法时,请始终尊重Principle of Encapsulation,paintComponent...
1、换行1.1、一个项目可以选择一行100个与120个(特殊情况)字符的限制,除了下述例外不可能满足列限制的行(例如,Javadoc中的一个长URL,或是一个长的JSNI方法参考)。package和import语句。注释中那些可能被剪切并粘贴到shell中的命令行。1.2、换行规则 如果是大括号内为空,则简洁地写成{} 如果是非空代码块则: 1)...
①首先我们需要面板(JPanel)或其他容器控件承载表格(JTable),值得一提的是:由于窗体本身就是容器型控件,您可以考虑将表格单个地放置在窗体上。...().getColumn(1).setCellRenderer(new TableCellRenderer(){ 64 64 65 65 /*(non-Javadoc...JComboBox JTextArea 等68 68 * @see javax.swing.table.Table...