java語(yǔ)言程序設(shè)計(jì)基礎(chǔ)篇第八英文PPT學(xué)習(xí)教案

1、會(huì)計(jì)學(xué)1java語(yǔ)言程序設(shè)計(jì)基礎(chǔ)篇第八英文語(yǔ)言程序設(shè)計(jì)基礎(chǔ)篇第八英文2第1頁(yè)/共39頁(yè)3第2頁(yè)/共39頁(yè)4ButtonLabelText fieldCheck BoxRadio ButtonCombo Box第3頁(yè)/共39頁(yè)5第4頁(yè)/共39頁(yè)6 Dimension Font FontMetrics Component Graphics Object Color Container Panel Applet Frame Dialog Window JComponent JApplet JFrame JDialog Swing Components in the javax.swing packa

2、ge Lightweight Heavyweight Classes in the java.awt package 1 LayoutManager * 第5頁(yè)/共39頁(yè)7 Dimension Font FontMetrics Component Graphics Object Color Container Panel Applet Frame Dialog Window JComponent JApplet JFrame JDialog Swing Components in the javax.swing package Lightweight Heavyweight Classes i

3、n the java.awt package 1 LayoutManager * JPanel Container classes can contain other GUI components.第6頁(yè)/共39頁(yè)8 Dimension Font FontMetrics Component Graphics Object Color Container Panel Applet Frame Dialog Window JComponent JApplet JFrame JDialog Swing Components in the javax.swing package Lightweight

4、 Heavyweight Classes in the java.awt package 1 LayoutManager * JPanel The helper classes are not subclasses of Component. They are used to describe the properties of GUI components such as graphics context, colors, fonts, and dimension.第7頁(yè)/共39頁(yè)9 JMenuItem JCheckBoxMenuItem AbstractButton JComponent

5、JMenu JRadioButtonMenuItem JToggleButton JCheckBox JRadioButton JComboBox JInternalFrame JLayeredPane JList JMenuBar JOptionPane JPopupMenu JProgressBar JFileChooser JScrollBar JScrollPane JSeparator JSplitPane JSlider JTabbedPane JTable JTableHeader JTextField JTextComponent JTextArea JToolBar JToo

6、lTip JTree JRootPane JPanel JPasswordField JColorChooser JLabel JEditorPane JSpinner JButton 第8頁(yè)/共39頁(yè)10 JMenuItem JCheckBoxMenuItem AbstractButton JComponent JMenu JRadioButtonMenuItem JToggleButton JCheckBox JRadioButton JComboBox JInternalFrame JLayeredPane JList JMenuBar JOptionPane JPopupMenu JP

7、rogressBar JFileChooser JScrollBar JScrollPane JSeparator JSplitPane JSlider JTabbedPane JTable JTableHeader JTextField JTextComponent JTextArea JToolBar JToolTip JTree JRootPane JPanel JPasswordField JColorChooser JLabel JEditorPane JSpinner JButton 第9頁(yè)/共39頁(yè)11 JMenuItem JCheckBoxMenuItem AbstractBu

8、tton JComponent JMenu JRadioButtonMenuItem JToggleButton JCheckBox JRadioButton JComboBox JInternalFrame JLayeredPane JList JMenuBar JOptionPane JPopupMenu JProgressBar JFileChooser JScrollBar JScrollPane JSeparator JSplitPane JSlider JTabbedPane JTable JTableHeader JTextField JTextComponent JTextAr

9、ea JToolBar JToolTip JTree JRootPane JPanel JPasswordField JColorChooser JLabel JEditorPane JSpinner JButton 第10頁(yè)/共39頁(yè)12AWTEventFontFontMetricsComponentGraphicsObjectColorCanvasButtonTextComponentLabelListCheckBoxGroupCheckBoxChoiceContainerPanelAppletFrameDialogFileDialogWindowTextFieldTextAreaMenu

10、ComponentMenuItemMenuBarMenuScrollbarLayoutManager第11頁(yè)/共39頁(yè)13第12頁(yè)/共39頁(yè)14Runimport javax.swing.*;public class MyFrame public static void main(String args) JFrame frame = new JFrame(Test Frame); frame.setSize(400, 300); frame.setVisible(true); frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE); MyF

11、rame第13頁(yè)/共39頁(yè)15/ Add a button into the frameframe.getContentPane().add( new JButton(OK);RunMyFrameWithComponentsTitle barContent pane第14頁(yè)/共39頁(yè)16/ Add a button into the frameframe.getContentPane().add( new JButton(OK);Title barContent pane/ Add a button into the frameframe.add( new JButton(OK);第15頁(yè)/共

12、39頁(yè)17 javax.swing.JFrame +JFrame() +JFrame(title: String) +setSize(width: int, height: int): void +setLocation(x: int, y: int): void +setVisible(visible: boolean): void +setDefaultCloseOperation(mode: int): void +setLocationRelativeTo(c: Component): void +pack(): void Creates a default frame with no

13、 title. Creates a frame with the specified title. Specifies the size of the frame. Specifies the upper-left corner location of the frame. Sets true to display the frame. Specifies the operation when the frame is closed. Sets the location of the frame relative to the specified component. If the compo

14、nent is null, the frame is centered on the screen. Automatically sets the frame size to hold the components in the frame. 第16頁(yè)/共39頁(yè)18第17頁(yè)/共39頁(yè)19第18頁(yè)/共39頁(yè)20ShowFlowLayoutRun第19頁(yè)/共39頁(yè)21 java.awt.FlowLayout -alignment: int -hgap: int -vgap: int +FlowLayout() +FlowLayout(alignment: int) +FlowLayout(alig

15、nment: int, hgap: int, vgap: int) The alignment of this layout manager (default: CENTER). The horizontal gap of this layout manager (default: 5 pixels). The vertical gap of this layout manager (default: 5 pixels). Creates a default FlowLayout manager. Creates a FlowLayout manager with a specified al

16、ignment. Creates a FlowLayout manager with a specified alignment, horizontal gap, and vertical gap. The get and set methods for these data fields are provided in the class, but omitted in the UML diagram for brevity. 第20頁(yè)/共39頁(yè)22ShowGridLayoutRun第21頁(yè)/共39頁(yè)23 java.awt.GridLayout -rows: int -columns: in

17、t -hgap: int -vgap: int +GridLayout() +GridLayout(rows: int, columns: int) +GridLayout(rows: int, columns: int, hgap: int, vgap: int) The number of rows in this layout manager (default: 1). The number of columns in this layout manager (default: 1). The horizontal gap of this layout manager (default:

18、 0). The vertical gap of this layout manager (default: 0). Creates a default GridLayout manager. Creates a GridLayout with a specified number of rows and columns. Creates a GridLayout manager with a specified number of rows and columns, horizontal gap, and vertical gap. The get and set methods for t

19、hese data fields are provided in the class, but omitted in the UML diagram for brevity. 第22頁(yè)/共39頁(yè)24add(Component, constraint), where constraint is BorderLayout.EAST, BorderLayout.SOUTH, BorderLayout.WEST, BorderLayout.NORTH, or BorderLayout.CENTER. 第23頁(yè)/共39頁(yè)25ShowBorderLayoutRun第24頁(yè)/共39頁(yè)26 java.awt.

20、BorderLayout -hgap: int -vgap: int +BorderLayout() +BorderLayout(hgap: int, vgap: int) The horizontal gap of this layout manager (default: 0). The vertical gap of this layout manager (default: 0). Creates a default BorderLayout manager. Creates a BorderLayout manager with a specified number of horiz

21、ontal gap, and vertical gap. The get and set methods for these data fields are provided in the class, but omitted in the UML diagram for brevity. 第25頁(yè)/共39頁(yè)27第26頁(yè)/共39頁(yè)28第27頁(yè)/共39頁(yè)29第28頁(yè)/共39頁(yè)30Font NamesStandard font names that are supported in all platforms are: SansSerif, Serif, Monospaced, Dialog, o

22、r DialogInput.Font StyleFont.PLAIN (0), Font.BOLD (1), Font.ITALIC (2), and Font.BOLD + Font.ITALIC (3)第29頁(yè)/共39頁(yè)31第30頁(yè)/共39頁(yè)32第31頁(yè)/共39頁(yè)33第32頁(yè)/共39頁(yè)34TestPanelsRun A button A textfield 12 buttons frame p2 p1 第33頁(yè)/共39頁(yè)35 java.awt.Container +add(comp: Component): Component +add(comp: Component, index: in

23、t): Component +remove(comp: Component): void +getLayout(): LayoutManager +setLayout(l: LayoutManager): void +paintComponents(g: Graphics): void Adds a component to the container. Adds a component to the container with the specified index. Removes the component from the container. Returns the layout

24、manager for this container. Sets the layout manager for this container. Paints each of the components in this container. java.awt.Component -font: java.awt.Font -background: java.awt.Color -foreground: java.awt.Color -preferredSize: Dimension -visible: boolean +getWidth(): int +getHeight(): int +getX(): int +getY(): int The font of this component. The background color of this component. The foreground color of this component. The preferred size of this component. Indicat