-----------------siwuxie095
工程名:TestJOptionPane
包名:com.siwuxie095.showdialog
类名:TestOptionDialog.java
工程结构目录如下:
代码:
package com.siwuxie095.showdialog; import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.border.EmptyBorder; import com.sun.java.swing.plaf.windows.WindowsLookAndFeel; import com.sun.org.apache.xerces.internal.impl.xs.SchemaSymbols; import javax.swing.JButton; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; public class TestOptionDialog extends JFrame { private JPanel contentPane; /** * Launch the application. */ public static EventQueue.invokeLater(new Runnable() { public try { TestOptionDialog frame = new TestOptionDialog(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public TestOptionDialog() { try { UIManager.setLookAndFeel(new WindowsLookAndFeel()); } catch (UnsupportedLookAndFeelException e) { e.printStackTrace(); } setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 450, 300); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new BorderLayout(0, 0)); setContentPane(contentPane); JButton btnshowoptiondialog = new JButton("显示多项选择框(showOptionDialog)"); //为 btnshowoptiondialog.addMouseListener(new MouseAdapter() { @Override public /** * 直接通过静态方法调用 * 需要指定父级窗体,信息,标题,选项类型, * 信息类型,图标,可选值(数组),初始值(默认输入值) * 返回值是 int 类型,创建以接收返回值 * 如果返回 0,对应 "方案1" ... * 如果返回 CLOSED_OPTION,则该窗口关闭,没有选择 * 没有关闭多项选择框时,后面的主窗体是完全无法操作的(即 */ String options[]={"方案1","方案2","方案3"}; int value=JOptionPane.showOptionDialog(TestOptionDialog.this, "选择一个方案:", "方案", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, options, "方案1"); if (value!=JOptionPane.CLOSED_OPTION) { switch (value) { case case case default: break; } } } }); btnshowoptiondialog.setFocusable(false); contentPane.add(btnshowoptiondialog, BorderLayout.NORTH); } } |
将窗体
JFrame 的 LookAndFeel 设定为 Windows
在根面板 contentPane 的上方添加一个 JButton,
将其 focusable 属性设为
false
为 JButton 添加 mouseClicked 事件,点击 按钮 弹出多项选择框
运行程序:
【made by siwuxie095】