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SWING KeyEvent事件類

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輸入字符的關鍵事件產生。有三種類型的鍵事件所表示的整數常數。這些鍵事件如下：

  • KEY_PRESSED

  • KEY_RELASED

  • KEY_TYPED

類聲明

以下是 java.awt.event.KeyEvent 類的聲明：

public class KeyEvent extends InputEvent

字段域

以下爲java.awt.InputEvent類字段：

  • static char CHAR_UNDEFINED --KEY_PRESSED and KEY_RELEASED events which do not map to a valid Unicode character use this for the keyChar value.

  • static int KEY_FIRST --The first number in the range of ids used for key events.

  • static int KEY_LAST --The last number in the range of ids used for key events.

  • static int KEY_LOCATION_LEFT --A constant indicating that the key pressed or released is in the left key location (there is more than one possible location for this key).

  • static int KEY_LOCATION_NUMPAD --A constant indicating that the key event originated on the numeric keypad or with a virtual key corresponding to the numeric keypad.

  • static int KEY_LOCATION_RIGHT -- A constant indicating that the key pressed or released is in the right key location (there is more than one possible location for this key).

  • static int KEY_LOCATION_STANDARD --A constant indicating that the key pressed or released is not distinguished as the left or right version of a key, and did not originate on the numeric keypad (or did not originate with a virtual key corresponding to the numeric keypad).

  • static int KEY_LOCATION_UNKNOWN -- A constant indicating that the keyLocation is indeterminate or not relevant.

  • static int KEY_PRESSED --The "key pressed" event.

  • static int KEY_RELEASED --The "key released" event.

  • static int KEY_TYPED --The "key typed" event.

static int VK_0 --VK_0 thru VK_9 are the same as ASCII '0' thru '9' (0x30 - 0x39)* static int VK_1

  • static int VK_2

  • static int VK_3

  • static int VK_4

  • static int VK_5

  • static int VK_6

  • static int VK_7

  • static int VK_8

  • static int VK_9

  • static int VK_A --VK_A thru VK_Z are the same as ASCII 'A' thru 'Z' (0x41 - 0x5A)

  • static int VK_ACCEPT --Constant for the Accept or Commit function key.

  • static int VK_ADD

  • static int VK_AGAIN

  • static int VK_ALL_CANDIDATES --Constant for the All Candidates function key.

  • static int VK_ALPHANUMERIC --Constant for the Alphanumeric function key.

  • static int VK_ALT

  • static int VK_ALT_GRAPH --Constant for the AltGraph function key.

  • static int VK_AMPERSAND

  • static int VK_ASTERISK

  • static int VK_AT --constant for the "@" key.

  • static int VK_B

  • static int VK_BACK_QUOTE

  • static int VK_BACK_SLASH --Constant for the back slash key, ""

  • static int VK_BACK_SPACE

  • static int VK_BEGIN --Constant for the Begin key.

  • static int VK_BRACELEFT

  • static int VK_BRACERIGHT

  • static int VK_C

  • static int VK_CANCEL

  • static int VK_CAPS_LOCK

  • static int VK_CIRCUMFLEX --Constant for the "^" key.

  • static int VK_CLEAR

  • static int VK_CLOSE_BRACKET --Constant for the close bracket key, "]"

  • static int VK_CODE_INPUT --Constant for the Code Input function key.

  • static int VK_COLON --Constant for the ":" key.

  • static int VK_COMMA --Constant for the comma key, ","

  • static int VK_COMPOSE --Constant for the Compose function key.

  • static int VK_CONTEXT_MENU --Constant for the Microsoft Windows Context Menu key.

  • static int VK_CONTROL

  • static int VK_CONVERT -- Constant for the Convert function key.

  • static int VK_COPY

  • static int VK_CUT

  • static int VK_D

  • static int VK_DEAD_ABOVEDOT

  • static int VK_DEAD_ABOVERING

  • static int VK_DEAD_ACUTE

  • static int VK_DEAD_BREVE

  • static int VK_DEAD_CARON

  • static int VK_DEAD_CEDILLA

  • static int VK_DEAD_CIRCUMFLEX

  • static int VK_DEAD_DIAERESIS

  • static int VK_DEAD_DOUBLEACUTE

  • static int VK_DEAD_GRAVE

  • static int VK_DEAD_IOTA

  • static int VK_DEAD_MACRON

  • static int VK_DEAD_OGONEK

  • static int VK_DEAD_SEMIVOICED_SOUND

  • static int VK_DEAD_TILDE

  • static int VK_DEAD_VOICED_SOUND

  • static int VK_DECIMAL

  • static int VK_DELETE

  • static int VK_DIVIDE

  • static int VK_DOLLAR --Constant for the "$" key.

  • static int VK_DOWN -- Constant for the non-numpad down arrow key.

  • static int VK_E

  • static int VK_END

  • static int VK_ENTER

  • static int VK_EQUALS --Constant for the equals key, "="

  • static int VK_ESCAPE

  • static int VK_EURO_SIGN --Constant for the Euro currency sign key.

  • static int VK_EXCLAMATION_MARK --Constant for the "!" key.

  • static int VK_F

  • static int VK_F1 --Constant for the F1 function key.

  • static int VK_F10 --Constant for the F10 function key.

  • static int VK_F11 --Constant for the F11 function key.

  • static int VK_F12 --Constant for the F12 function key.

  • static int VK_F13 --Constant for the F13 function key.

  • static int VK_F14 --Constant for the F14 function key.

  • static int VK_F15 --Constant for the F15 function key.

  • static int VK_F16 --Constant for the F16 function key.

  • static int VK_F17 --Constant for the F17 function key.

  • static int VK_F18 --Constant for the F18 function key.

  • static int VK_F19 --Constant for the F19 function key.

  • static int VK_F2 --Constant for the F2 function key.

  • static int VK_F20 --Constant for the F20 function key.

  • static int VK_F21 -- Constant for the F21 function key.

  • static int VK_F22 --Constant for the F22 function key.

  • static int VK_F23 --Constant for the F23 function key.

  • static int VK_F24 --Constant for the F24 function key.

  • static int VK_F3 --Constant for the F3 function key.

  • static int VK_F4 --Constant for the F4 function key.

  • static int VK_F5 -- Constant for the F5 function key.

  • static int VK_F6 --Constant for the F6 function key.

  • static int VK_F7 --Constant for the F7 function key.

  • static int VK_F8 --Constant for the F8 function key.

  • static int VK_F9 --Constant for the F9 function key.

  • static int VK_FINAL

  • static int VK_FIND

  • static int VK_FULL_WIDTH --Constant for the Full-Width Characters function key.

  • static int VK_G

  • static int VK_GREATER

  • static int VK_H

  • static int VK_HALF_WIDTH --Constant for the Half-Width Characters function key.

  • static int VK_HELP

  • static int VK_HIRAGANA --Constant for the Hiragana function key.

  • static int VK_HOME

  • static int VK_I

  • static int VK_INPUT_METHOD_ON_OFF -- Constant for the input method on/off key.

  • static int VK_INSERT

  • static int VK_INVERTED_EXCLAMATION_MARK --Constant for the inverted exclamation mark key.

  • static int VK_J

  • static int VK_JAPANESE_HIRAGANA --Constant for the Japanese-Hiragana function key.

  • static int VK_JAPANESE_KATAKANA --Constant for the Japanese-Katakana function key.

  • static int VK_JAPANESE_ROMAN --Constant for the Japanese-Roman function key.

  • static int VK_K

  • static int VK_KANA

  • static int VK_KANA_LOCK -- Constant for the locking Kana function key.

  • static int VK_KANJI

  • static int VK_KATAKANA --Constant for the Katakana function key.

  • static int VK_KP_DOWN -- Constant for the numeric keypad down arrow key.

  • static int VK_KP_LEFT --Constant for the numeric keypad left arrow key.

  • static int VK_KP_RIGHT --Constant for the numeric keypad right arrow key.

  • static int VK_KP_UP --Constant for the numeric keypad up arrow key.

  • static int VK_L

  • static int VK_LEFT --Constant for the non-numpad left arrow key.

  • static int VK_LEFT_PARENTHESIS --Constant for the "(" key.

  • static int VK_LESS

  • static int VK_M

  • static int VK_META

  • static int VK_MINUS -- Constant for the minus key, "-"

  • static int VK_MODECHANGE

  • static int VK_MULTIPLY

  • static int VK_N

  • static int VK_NONCONVERT --Constant for the Don't Convert function key.

  • static int VK_NUM_LOCK

  • static int VK_NUMBER_SIGN --Constant for the "#" key.

  • static int VK_NUMPAD0

  • static int VK_NUMPAD1

  • static int VK_NUMPAD2

  • static int VK_NUMPAD3

  • static int VK_NUMPAD4

  • static int VK_NUMPAD5

  • static int VK_NUMPAD6

  • static int VK_NUMPAD7

  • static int VK_NUMPAD8

  • static int VK_NUMPAD9

  • static int VK_O

  • static int VK_OPEN_BRACKET --Constant for the open bracket key, "["

  • static int VK_P

  • static int VK_PAGE_DOWN

  • static int VK_PAGE_UP

  • static int VK_PASTE

  • static int VK_PAUSE

  • static int VK_PERIOD --Constant for the period key, "."

  • static int VK_PLUS -- Constant for the "+" key.

  • static int VK_PREVIOUS_CANDIDATE -- Constant for the Previous Candidate function key.

  • static int VK_PRINTSCREEN

  • static int VK_PROPS

  • static int VK_Q

  • static int VK_QUOTE

  • static int VK_QUOTEDBL

  • static int VK_R

  • static int VK_RIGHT -- Constant for the non-numpad right arrow key.

  • static int VK_RIGHT_PARENTHESIS --Constant for the ")" key.

  • static int VK_ROMAN_CHARACTERS --Constant for the Roman Characters function key.

  • static int VK_S

  • static int VK_SCROLL_LOCK

  • static int VK_SEMICOLON -- Constant for the semicolon key, ";"

  • static int VK_SEPARATER --This constant is obsolete, and is included only for backwards compatibility.

  • static int VK_SEPARATOR --Constant for the Numpad Separator key.

  • static int VK_SHIFT

  • static int VK_SLASH -- Constant for the forward slash key, "/"

  • static int VK_SPACE

  • static int VK_STOP

  • static int VK_SUBTRACT

  • static int VK_T

  • static int VK_TAB

  • static int VK_U

  • static int VK_UNDEFINED -- This value is used to indicate that the keyCode is unknown.

  • static int VK_UNDERSCORE --Constant for the "_" key.

  • static int VK_UNDO

  • static int VK_UP --Constant for the non-numpad up arrow key.

  • static int VK_V

  • static int VK_W

  • static int VK_WINDOWS --Constant for the Microsoft Windows "Windows" key.

  • static int VK_X

  • static int VK_Y

  • static int VK_Z

類構造函數

S.N.

構造函數 & 描述

1

KeyEvent(Component source, int id, long when, int modifiers, int keyCode)
Deprecated. as of JDK1.1

2

KeyEvent(Component source, int id, long when, int modifiers, int keyCode, char keyChar)
Constructs a KeyEvent object.

3

KeyEvent(Component source, int id, long when, int modifiers, int keyCode, char keyChar, int keyLocation)

類方法

S.N.

方法 & 描述

1

char getKeyChar()
Returns the character associated with the key in this event.

2

int getKeyCode()
Returns the integer keyCode associated with the key in this event.

3

int getKeyLocation()
Returns the location of the key that originated this key event.

4

static String getKeyModifiersText(int modifiers)
Returns a String describing the modifier key(s), such as "Shift", or "Ctrl+Shift".

5

static String getKeyText(int keyCode)
Returns a String describing the keyCode, such as "HOME", "F1" or "A".

6

boolean isActionKey()
Returns whether the key in this event is an "action" key.

7

String paramString()
Returns a parameter string identifying this event.

8

void setKeyChar(char keyChar)
Set the keyChar value to indicate a logical character.

9

void setKeyCode(int keyCode)
Set the keyCode value to indicate a physical key.

10

void setModifiers(int modifiers)
Deprecated. as of JDK1.1.4

方法繼承

這個類從以下類繼承的方法：

  • java.awt.event.InputEvent

  • java.awt.event.ComponentEvent

  • java.awt.AWTEvent

  • java.util.EventObject

  • java.lang.Object

SWING InputEvent事件類
SWING MouseEvent事件類