本文介绍了Java中GUI设计相关知识。java.awt包提供GUI设计的类和接口，图形用户界面基本组成是component，需放在容器中显示。容器可容纳组件，有layoutManager，常用容器有frame、panel、applet，还介绍了布局管理器类型及组件与监听器对应关系。
java.awt包中提供了GUI设计所使用的类和接口，如下图：
java的图形用户界面最基本的组成部分是component，组件不能独立显示的，必须将组件放在一个容器中才可以。（如panel,frame)
container也是一个component的子类，因此容器也是一个组件，它具有组件的所有的性质，但它的主要功能就是容纳其它组件和容器。
layoutManager：每个容器都有一个layoutManager。如果设定了某个管理方式后，用户使用其它的布局方法如：setSize()等将被屏蔽。setLayout(null)可以关闭容器管理器。常用的容器有frame,panel,applet。容器中添加其它组件使用add()方法。
布局管理器主要包括：FlowLayout，BorderLayout，GridLayout，CardLayout，GridBagLayout
***：1.frame是一个顶级窗体，它的缺省管理器为BorderLayout.
2.panel无法单独显示，必须添加到某个容器中，它的缺省管理器为,当panel添加到某个容器后它还有自己的管理器！！
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事件类别
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描述信息
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接口名
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方法
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| ActionEvent | 激活组件 | ActionListener | actionPerformed(ActionEvent) |
| ItemEvent | 选择了某些项目 | ItemListener | itemStateChanged(ItemEvent) |
| MouseEvent | 鼠标移动 | MouseMotionListener | mouseDragged(MouseEvent) mouseMoved(MouseEvent) |
| 鼠标点击等 | MouseListener | mousePressed(MouseEvent) mouseReleased(MouseEvent) mouseEntered(MouseEvent) mouseExited(MouseEvent) mouseClicked(MouseEvent) | |
| KeyEvent | 键盘输入 | KeyListener | keyPressed(KeyEvent) keyReleased(KeyEvent) keyTyped(KeyEvent) |
| FocusEvent | 组件收到或失去焦点 | FocusListener | focusGained(FocusEvent) focusLost(FocusEvent) |
| AdjustmentEvent | 移动了滚动条等组件 | AdjustmentListener | adjustmentValueChanged(AdjustmentEvent) |
| ComponentEvent | 对象移动缩放显示隐藏等 | ComponentListener | componentMoved(ComponentEvent) componentHidden(ComponentEvent) componentResized(ComponentEvent) componentShown(ComponentEvent) |
| WindowEvent | 窗口收到窗口级事件 | WindowListener | windowClosing(WindowEvent) windowOpened(WindowEvent) windowIconified(WindowEvent) windowDeiconified(WindowEvent) windowClosed(WindowEvent) windowActivated(WindowEvent) windowDeactivated(WindowEvent) |
| ContainerEvent | 容器中增加删除了组件 | ContainerListener | componentAdded(ContainerEvent) componentRemoved(ContainerEvent) |
| TextEvent | 文本字段或文本区发生改变 | TextListener | textValueChanged(TextEvent) |
组件与监听器的对应关系
下表中列出了各个组件与所有的监听器的对应关系，打上"
"表明该组件可以注册此种监听器。
表5.2
| 监听器接口 |
Act
|
Adj
|
Cmp
|
Cnt
|
Foc
|
Itm
|
Key
|
Mou
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MM
|
Text
|
Win
|
| Button |
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| Canvas |
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| Checkbox |
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| CheckboxMenuItem |
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| Choice |
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| Component |
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| Container |
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| Dialog |
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| Frame |
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| Label |
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| List |
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| MenuItem |
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| Panel |
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| Scrollbar |
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| ScrollPane |
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| TextArea |
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| TextField |
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| Window |
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Act=ActionListener Adj=AdjustmentListener Cmp=ComponentListener
Cnt=ConatainerListener Foc=FocusListener Itm=ItemListener
Key=KeyListener Mou=MouseListener MM=MouseMotionListener
Text=TextListener Win=WindowListener
java.awt包中提供了GUI设计所使用的类和接口，如下图：
java的图形用户界面最基本的组成部分是component，组件不能独立显示的，必须将组件放在一个容器中才可以。（如panel,frame)
container也是一个component的子类，因此容器也是一个组件，它具有组件的所有的性质，但它的主要功能就是容纳其它组件和容器。
layoutManager：每个容器都有一个layoutManager。如果设定了某个管理方式后，用户使用其它的布局方法如：setSize()等将被屏蔽。setLayout(null)可以关闭容器管理器。常用的容器有frame,panel,applet。容器中添加其它组件使用add()方法。
布局管理器主要包括：FlowLayout，BorderLayout，GridLayout，CardLayout，GridBagLayout
***：1.frame是一个顶级窗体，它的缺省管理器为BorderLayout.
2.panel无法单独显示，必须添加到某个容器中，它的缺省管理器为,当panel添加到某个容器后它还有自己的管理器！！
|
事件类别
|
描述信息
|
接口名
|
方法
|
| ActionEvent | 激活组件 | ActionListener | actionPerformed(ActionEvent) |
| ItemEvent | 选择了某些项目 | ItemListener | itemStateChanged(ItemEvent) |
| MouseEvent | 鼠标移动 | MouseMotionListener | mouseDragged(MouseEvent) mouseMoved(MouseEvent) |
| 鼠标点击等 | MouseListener | mousePressed(MouseEvent) mouseReleased(MouseEvent) mouseEntered(MouseEvent) mouseExited(MouseEvent) mouseClicked(MouseEvent) | |
| KeyEvent | 键盘输入 | KeyListener | keyPressed(KeyEvent) keyReleased(KeyEvent) keyTyped(KeyEvent) |
| FocusEvent | 组件收到或失去焦点 | FocusListener | focusGained(FocusEvent) focusLost(FocusEvent) |
| AdjustmentEvent | 移动了滚动条等组件 | AdjustmentListener | adjustmentValueChanged(AdjustmentEvent) |
| ComponentEvent | 对象移动缩放显示隐藏等 | ComponentListener | componentMoved(ComponentEvent) componentHidden(ComponentEvent) componentResized(ComponentEvent) componentShown(ComponentEvent) |
| WindowEvent | 窗口收到窗口级事件 | WindowListener | windowClosing(WindowEvent) windowOpened(WindowEvent) windowIconified(WindowEvent) windowDeiconified(WindowEvent) windowClosed(WindowEvent) windowActivated(WindowEvent) windowDeactivated(WindowEvent) |
| ContainerEvent | 容器中增加删除了组件 | ContainerListener | componentAdded(ContainerEvent) componentRemoved(ContainerEvent) |
| TextEvent | 文本字段或文本区发生改变 | TextListener | textValueChanged(TextEvent) |
组件与监听器的对应关系
下表中列出了各个组件与所有的监听器的对应关系，打上""表明该组件可以注册此种监听器。
表5.2
| 监听器接口 |
Act
|
Adj
|
Cmp
|
Cnt
|
Foc
|
Itm
|
Key
|
Mou
|
MM
|
Text
|
Win
|
| Button |
|
|
|
|
|
| |||||
| Canvas |
|
|
|
|
| ||||||
| Checkbox |
|
|
|
|
|
| |||||
| CheckboxMenuItem |
| ||||||||||
| Choice |
|
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| |||||
| Component |
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| ||||||
| Container |
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| Dialog |
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| Frame |
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| Label |
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| List |
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| MenuItem |
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| Panel |
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| Scrollbar |
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| ScrollPane |
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| |||||
| TextArea |
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| |||||
| TextField |
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| Window |
|
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|
Act=ActionListener Adj=AdjustmentListener Cmp=ComponentListener
Cnt=ConatainerListener Foc=FocusListener Itm=ItemListener
Key=KeyListener Mou=MouseListener MM=MouseMotionListener
Text=TextListener Win=WindowListener
java.awt包中提供了GUI设计所使用的类和接口，如下图：
java的图形用户界面最基本的组成部分是component，组件不能独立显示的，必须将组件放在一个容器中才可以。（如panel,frame)
container也是一个component的子类，因此容器也是一个组件，它具有组件的所有的性质，但它的主要功能就是容纳其它组件和容器。
layoutManager：每个容器都有一个layoutManager。如果设定了某个管理方式后，用户使用其它的布局方法如：setSize()等将被屏蔽。setLayout(null)可以关闭容器管理器。常用的容器有frame,panel,applet。容器中添加其它组件使用add()方法。
布局管理器主要包括：FlowLayout，BorderLayout，GridLayout，CardLayout，GridBagLayout
***：1.frame是一个顶级窗体，它的缺省管理器为BorderLayout.
2.panel无法单独显示，必须添加到某个容器中，它的缺省管理器为,当panel添加到某个容器后它还有自己的管理器！！
|
事件类别
|
描述信息
|
接口名
|
方法
|
| ActionEvent | 激活组件 | ActionListener | actionPerformed(ActionEvent) |
| ItemEvent | 选择了某些项目 | ItemListener | itemStateChanged(ItemEvent) |
| MouseEvent | 鼠标移动 | MouseMotionListener | mouseDragged(MouseEvent) mouseMoved(MouseEvent) |
| 鼠标点击等 | MouseListener | mousePressed(MouseEvent) mouseReleased(MouseEvent) mouseEntered(MouseEvent) mouseExited(MouseEvent) mouseClicked(MouseEvent) | |
| KeyEvent | 键盘输入 | KeyListener | keyPressed(KeyEvent) keyReleased(KeyEvent) keyTyped(KeyEvent) |
| FocusEvent | 组件收到或失去焦点 | FocusListener | focusGained(FocusEvent) focusLost(FocusEvent) |
| AdjustmentEvent | 移动了滚动条等组件 | AdjustmentListener | adjustmentValueChanged(AdjustmentEvent) |
| ComponentEvent | 对象移动缩放显示隐藏等 | ComponentListener | componentMoved(ComponentEvent) componentHidden(ComponentEvent) componentResized(ComponentEvent) componentShown(ComponentEvent) |
| WindowEvent | 窗口收到窗口级事件 | WindowListener | windowClosing(WindowEvent) windowOpened(WindowEvent) windowIconified(WindowEvent) windowDeiconified(WindowEvent) windowClosed(WindowEvent) windowActivated(WindowEvent) windowDeactivated(WindowEvent) |
| ContainerEvent | 容器中增加删除了组件 | ContainerListener | componentAdded(ContainerEvent) componentRemoved(ContainerEvent) |
| TextEvent | 文本字段或文本区发生改变 | TextListener | textValueChanged(TextEvent) |
组件与监听器的对应关系
下表中列出了各个组件与所有的监听器的对应关系，打上""表明该组件可以注册此种监听器。
表5.2
| 监听器接口 |
Act
|
Adj
|
Cmp
|
Cnt
|
Foc
|
Itm
|
Key
|
Mou
|
MM
|
Text
|
Win
|
| Button |
|
|
|
|
|
| |||||
| Canvas |
|
|
|
|
| ||||||
| Checkbox |
|
|
|
|
|
| |||||
| CheckboxMenuItem |
| ||||||||||
| Choice |
|
|
|
|
|
| |||||
| Component |
|
|
|
|
| ||||||
| Container |
|
|
|
|
|
| |||||
| Dialog |
|
|
|
|
|
|
| ||||
| Frame |
|
|
|
|
|
|
| ||||
| Label |
|
|
|
|
| ||||||
| List |
|
|
|
|
|
|
| ||||
| MenuItem |
| ||||||||||
| Panel |
|
|
|
|
|
| |||||
| Scrollbar |
|
|
|
|
|
| |||||
| ScrollPane |
|
|
|
|
|
| |||||
| TextArea |
|
|
|
|
|
| |||||
| TextField |
|
|
|
|
|
|
| ||||
| Window |
|
|
|
|
|
|
|
Act=ActionListener Adj=AdjustmentListener Cmp=ComponentListener
Cnt=ConatainerListener Foc=FocusListener Itm=ItemListener
Key=KeyListener Mou=MouseListener MM=MouseMotionListener
Text=TextListener Win=WindowListener
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