Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Java¿ì½Ý¼üÖÆ×÷

Java¿ì½Ý¼üÖÆ×÷
ÓùýVBµÄÖªµÀ°´ÏÂF5ÊÇÔËÐд°Ì壬ÓùýPhotoshopµÄÖªµÀ°´ÏÂTabÊÇÒþ²ØËùÓÐÃæ°å
£¬ÄãµÄJava³ÌÐòÒ²ÏëÓÐÕâ¸ö¹¦ÄÜô£¿ÄÇôϣÍûÕâÆªÎÄÕ¶ÔÄúÓÐËù°ïÖú¡£
×Ӳ˵¥ÀàJMenuItemÓÐÒ»¸ö·½·¨²»ÖªµÀÄã×¢Òâ¹ýûÓÐ:setAccelerator¡£
´ò¿ª°ïÖúÎļþ¶ÔÕâ¸ö·½·¨µÄÃèÊöÊÇ£º ÉèÖÃ×éºÏ¼ü£¬ËüÄÜÖ±½Óµ÷Óò˵¥ÏîµÄ²Ù×÷
ÕìÌýÆ÷¶ø²»±ØÏÔʾ²Ëµ¥µÄ²ã´Î½á¹¹¡£ËùÒÔÓÃÕâ¸ö·½·¨¾ÍÄÜÖÆ×÷ÎÒÃÇËùÒªµÄ¿ì½Ý¼ü
ÁË¡£
°ïÖúÎļþ¸æËßÎÒÃÇ£¬´«¸øsetAccelerator·½·¨ËùÒªµÄÊÇÒ»¸öKeyStroke£¬ÏÂÃæÀ´
˵˵Õâ¸öÀࣺ
KeyStokeÔÚJavax.swing°üÏ£¬ËûµÄ×÷Óý«ÎÒÃÇÒªµÄ¼ü"À¦"ÆðÀ´£¬ÔÙ´«¸øÉÏÃæËù
˵µÄsetAcceleratorÖ®ÀàµÄ·½·¨À´Ê¹Óã¬KeyStokeÀàÌṩÁ˼¸¸ö"À¦"¼üµÄ¾²Ì¬ÖØ
ÔØ·½·¨£¬ÏÂÃæËµ¼¸¸öÀý×Ó£¬ÄãÃÇ×Ô¼ºÈ¥ÊÔÊÔ°É£º
F5£º KeyStroke.getKeyStroke(KeyEvent.F5, 0);
Ctrl+Q£º KeyStroke.getKeyStroke(KeyEvent.VK_Q, InputEvent.CTRL_MASK);
a£ºKeyStroke. getKeyStroke('a');
Alt+Shift+C£ºgetKeyStroke(KeyEvent.VK_C, InputEvent.ALT_MASK |
InputEvent.SHIFT_MASK, true);
µ±È»£¬Èç¹ûÄã²»ÏëÒýÈëһЩÈçKeyEvent»òInputEventÀàµÄ»°£¬ÄÇôÄã¾Í¿ÉÒÔÓÃ
KeyStroke.getKeyStroke(String s)·½·¨À´¼ò»¯Ëû£º
F5£ºKeyStroke.getKeyStroke("F5");
Ctrl+Q£ºKeyStroke.getKeyStroke("control Q ");
a£ºKeyStroke.getKeyStroke( "typed a" );
Alt+Shift+C£ºgetKeyStroke("alt shift released X ");
ÈçΪ×Ӳ˵¥"´ò¿ª"(ÃûΪ£ºmeuOpen)¼ÓÈë¿ì½Ý¼üCtrl+O£º
meuOpen.setAccelerator(KeyStroke.getKeyStroke("control O"));
ÉÏÃæËµµÄÊÇ×Ӳ˵¥µÄ¿ì½Ý¼üÉèÖã¬ÏÖÔÚ˵ÏÂÆäËü¿Ø¼þµÄ¿ì½Ý¼üÉèÖãº
°Ñ¿ª°ïÖúÎļþ£¬½øÈë javax.swing.AbstractButton £¬Äã¿ÉÒÔÕÒµ½setMnemonic
(int mnemonic)£¬Õâ¾ÍÊÇAbstractButton×ÓÀàÉèÖÿì½Ý¼üµÄ·½·¨ÁË£¬ÈçÒ»¸ö°´Å¥
btn£¬ÉèÖÿì½Ý¼üΪ£ºbtn.setMnemonic (KeyEvent.A)£¬ÔòËüµÄ¿ì½Ý·½Ê½ÎªAlt+A
£¬ËüÓÐÒ»¸öÐÞÊη½·¨ setDisplayedMnemonicIndex (int index)£¬×÷ÓÃÊÇÉèÖñê
ÌâµÄµÚ¼¸¸ö×Ö·û¼Ó¸öÏ»®ÏßÀ´±êʶ¿ì½Ý¼ü£¬Èçbtn.setText
("Open");btn.setDisplayedMnemonicIndex(0)£¬ÔòbtnµÄ±êÌâ±äΪOpen¡£
´ÏÃ÷µÄÄãÃÇÍ»ÀàÅÔͨ°É£¬Ò»¶¨¿ÉÒԳɹ¦µÄ¡£²»¹ýҪעÒâÒÔϼ¸µã£º
1¡¢ÔÚʹÓÃKeyStrokeµÄgetKeyStroke(String s)·½·¨Ê±Ó¦¸Ã×¢ÒâÓ÷¨ÈçCtrlÓÃ
control±íʾ£¬AltÓÃaltÀ´±íʾ£¬Èç¹û¼ÓÉÏ×ÖĸÔòÒªÓôóд£¬µ«Ö»ÓÐÒ»¸ö¼üÈçaʱ
£¬Ó¦¸ÃÓÃСд£º"type a"¡£
2¡¢KeyStroke


Ïà¹ØÎĵµ£º

¡¾×ª¡¿Java double Ïà¼ÓµÄ¹ÖÊÂÇé

(±¾ÎÄ×ªÔØ×Ô£ºhttp://hi.baidu.com/edilyxin/blog/item/27dc152aba3e10315343c19c.html)
ÎÊÌâµÄÌá³ö£º  
±àÒëÔËÐÐÏÂÃæÕâ¸ö³ÌÐò»á¿´µ½Ê²Ã´£¿  
public   class   Test{  
          public   static  ......

[¾­µä]ÊÇjava¸ßÊ־ͽøÀ´£¬¿´Ò»ÏÂÄãµÄˮƽ£¬1.5%ÕýÈ·ÂÊ

ÕâµÀÌâÊÇÒ»¸öjava¹«Ë¾µÄ±ÊÊÔÌ⣬¿¼²ìÁË´ó¸Åһǧ¶à¸öÃæÊÔµÄjava¹¤³ÌʦÒÔ¼°ÏîÄ¿¾­Àí£¬²»¹ýÈ«¶ÔµÄÖ»Óв»µ½1.5%
 
ÔÚ×öÕâ¸öÌâµÄʱºòÇ밴˳Ðò×ö£¬²»Äܸıä˳Ðò£¬×öÇ°ÃæÌâʱ£¬²»Äܲ鿴ºóÃæµÄÌ⣬ͬÉÏÒ²²»Òª²é¿´ÏÂÃæµÄ»Ø¸´,²»Òª¸Ä±äÄãµÄ´ð°¸
 
¶àµÄÏȲ»Ëµ£¬Çë°ÑÏÂÃæµÄÌâ´ð°¸¸ø³ö
 
class Human{
static ......

JAVA·´Éä»úÖÆ

JAVA·´Éä»úÖÆ
¸ÅÊö
¡¡¡¡ÓÐʱºòÎÒÃÇ˵ij¸öÓïÑÔ¾ßÓкÜÇ¿µÄ¶¯Ì¬ÐÔ£¬ÓÐʱºòÎÒÃÇ»áÇø·Ö¶¯Ì¬ºÍ¾²Ì¬µÄ²»Í¬¼¼ÊõÓë×÷·¨¡£ÎÒÃÇÀÊÀÊÉϿڶ¯Ì¬°ó¶¨£¨dynamic binding£©¡¢¶¯Ì¬Á´½Ó£¨dynamic linking£©¡¢¶¯Ì¬¼ÓÔØ£¨dynamic loading£©µÈ¡£È»¶ø“¶¯Ì¬”Ò»´ÊÆäʵûÓоø¶Ô¶øÆÕ±éÊÊÓõÄÑϸñ¶¨Ò壬ÓÐʱºòÉõÖÁÏñ¶ÔÏóµ¼Ïòµ±³õ±»µ¼Èë±à³ ......

Java6 ½Å±¾ÒýÇæ(ÓÃJavaµ÷ÓÃJS½Å±¾)µ÷ÓÃjs

Java6 ½Å±¾ÒýÇæ(ÓÃJavaµ÷ÓÃJS½Å±¾)µ÷ÓÃjs
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import javax.script.Invocable;
 import javax.script.ScriptEngine;
 import javax.script.ScriptEngineManager;
 import javax.script.ScriptException;
 
&n ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ