JSeparator (Java Platform SE 8 )

java.lang.Object
- java.awt.Component
- - java.awt.Container
  - - javax.swing.JComponent
    - - javax.swing.JSeparator

All Implemented Interfaces:

ImageObserver ， MenuContainer ， Serializable ， Accessible ， SwingConstants

已知直接子类：

JPopupMenu.Separator ， JToolBar.Separator
```
public class JSeparator
extends JComponent
implements SwingConstants, Accessible
```
JSeparator提供了一种用于实现分割线的通用组件 - 通常用作将其分解为逻辑分组的菜单项之间的分隔符。而不是直接使用JSeparator ，您可以使用JMenu或JPopupMenu addSeparator方法来创建和添加分隔符。 JSeparator也可以在GUI的其他地方使用，只要视觉分隔符有用。
有关更多信息和示例，请参阅Java Tutorial中的 How to Use Menus 。

警告： Swing不是线程安全的。有关更多信息，请参阅Swing's Threading Policy 。

警告：此类的序列化对象与将来的Swing版本不兼容。当前的序列化支持适用于运行相同版本的Swing的应用程序之间的短期存储或RMI。从1.4开始，对所有JavaBeans的长期存储的支持已被添加到java.beans软件包中。请参阅XMLEncoder 。

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`protected class`	`JSeparator.AccessibleJSeparator` 这个类实现了可访问性支持 `JSeparator`类。

Nested classes/interfaces inherited from class javax.swing.JComponent
JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container
Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component
Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary
- Fields inherited from class javax.swing.JComponent
  listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
- Fields inherited from class java.awt.Component
  accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
- Fields inherited from interface javax.swing.SwingConstants
  BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST
- Fields inherited from interface java.awt.image.ImageObserver
  ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

构造方法摘要

构造方法
Constructor and Description
`JSeparator()` 创建一个新的水平分隔符。
`JSeparator(int orientation)` 创建一个具有指定的水平或垂直方向的新分隔符。

方法摘要

所有方法接口方法具体的方法
Modifier and Type	Method and Description
`AccessibleContext`	`getAccessibleContext()` 获取与此JSeparator关联的AccessibleContext。
`int`	`getOrientation()` 返回此分隔符的方向。
`SeparatorUI`	`getUI()` 返回渲染此组件的L＆F对象。
`String`	`getUIClassID()` 返回呈现此组件的L＆F类的名称。
`protected String`	`paramString()` 返回此 `JSeparator`的字符串表示 `JSeparator` 。
`void`	`setOrientation(int orientation)` 设置分隔符的方向。
`void`	`setUI(SeparatorUI ui)` 设置渲染此组件的L＆F对象。
`void`	`updateUI()` 将UI属性重置为当前外观的值。

Methods inherited from class javax.swing.JComponent
addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- 构造方法详细信息
  - JSeparator
```
public JSeparator()
```
    创建一个新的水平分隔符。
  - JSeparator
```
public JSeparator(int orientation)
```
    创建一个具有指定的水平或垂直方向的新分隔符。
    
    参数
    
    orientation - 一个指定 SwingConstants.HORIZONTAL或 SwingConstants.VERTICAL的整数
    
    异常
    
    IllegalArgumentException - 如果 orientation既不是 SwingConstants.HORIZONTAL也不是 SwingConstants.VERTICAL
- 方法详细信息
  - getUI
```
public SeparatorUI getUI()
```
    返回渲染此组件的L＆F对象。
    
    结果
    
    用于呈现此组件的SeparatorUI对象
  - setUI
```
public void setUI(SeparatorUI ui)
```
    设置渲染此组件的L＆F对象。
    
    参数
    
    ui - SeparatorUI L＆F对象
    
    另请参见：
    
    UIDefaults.getUI(javax.swing.JComponent)
  - updateUI
```
public void updateUI()
```
    将UI属性重置为当前外观的值。
    
    重写：
    
    updateUI在 JComponent
    
    另请参见：
    
    JComponent.updateUI()
  - getUIClassID
```
public String getUIClassID()
```
    返回呈现此组件的L＆F类的名称。
    
    重写：
    
    getUIClassID在 JComponent
    
    结果
    
    字符串“SeparatorUI”
    
    另请参见：
    
    JComponent.getUIClassID() ， UIDefaults.getUI(javax.swing.JComponent)
  - getOrientation
```
public int getOrientation()
```
    返回此分隔符的方向。
    
    结果
    
    orientation属性的值，SwingConstants中定义的 SwingConstants ： VERTICAL或 HORIZONTAL 。
    
    另请参见：
    
    SwingConstants ， setOrientation(int)
  - setOrientation
```
public void setOrientation(int orientation)
```
    设置分隔符的方向。该属性的默认值为HORIZONTAL。
    
    参数
    
    orientation - SwingConstants.HORIZONTAL或 SwingConstants.VERTICAL
    
    异常
    
    IllegalArgumentException - 如果 orientation既不是 SwingConstants.HORIZONTAL也不是 SwingConstants.VERTICAL
    
    另请参见：
    
    SwingConstants ， getOrientation()
  - paramString
```
protected String paramString()
```
    返回此JSeparator的字符串表示JSeparator 。该方法仅用于调试目的，并且返回的字符串的内容和格式可能因实现而异。返回的字符串可能为空，但可能不是null 。
    
    重写：
    
    paramString在 JComponent
    
    结果
    
    这个 JSeparator的字符串表示 JSeparator
  - getAccessibleContext
```
public AccessibleContext getAccessibleContext()
```
    获取与此JSeparator关联的AccessibleContext。对于分隔符，AccessibleContext采用AccessibleJSeparator的形式。如有必要，将创建一个新的AccessibleJSeparator实例。
    
    Specified by:
    
    getAccessibleContext在接口 Accessible
    
    重写：
    
    getAccessibleContext在 Component类
    
    结果
    
    一个AccessibleJSeparator作为这个JSeparator的AccessibleContext

Class JSeparator

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JComponent

Nested classes/interfaces inherited from class java.awt.Container

Nested classes/interfaces inherited from class java.awt.Component

Field Summary

Fields inherited from class javax.swing.JComponent

Fields inherited from class java.awt.Component

Fields inherited from interface javax.swing.SwingConstants

Fields inherited from interface java.awt.image.ImageObserver

构造方法摘要

方法摘要

Methods inherited from class javax.swing.JComponent

Methods inherited from class java.awt.Container

Methods inherited from class java.awt.Component

Methods inherited from class java.lang.Object

构造方法详细信息

JSeparator

JSeparator

方法详细信息

getUI

setUI

updateUI

getUIClassID

getOrientation

setOrientation

paramString

getAccessibleContext