java ÖÐswing ÎÊÌâ - Java / Java SE
ÎÒ¶¨ÒåÁËÒ»¸öJRadioButtonNanµÄµ¥Ñ¡°´Å¥£¬Èç¹ûÔÚÎÒÑ¡ÔñÁËÕâ¸ö°´Å¥ºóÏëµã»÷ÖØÖÃÈÃÕâ¸ö°´Å¥´¦ÓÚδѡÔñµÄ״̬¸ÃÔõô×öÄØ£¿Çë¸ßÊÖÖ¸½Ì
jRadioButton.setSelected(false);
²»ÖªµÀÄãÊÇʲôÒâ˼
Õâ¸öÊDz»Ñ¡Ôñ״̬ÁË
ÎÒÊÔÁ˲»ÐУ¬¾ÍÊÇ˵Èç¹ûµã»÷ÖØÖð´Å¥£¬¾ÍÈÃÕâ¸ö°´Å¥´¦ÓÚδѡÔñµÄ״̬¡£¡£
¼àÌýÖØÖð´Å¥£¬µ±·¢ÉúʼþʱִÐÐjRadioButton.setSelected(false); Õâ¸öÓï¾ä²»ÐÐô£¿
»¹ÊDz»Ðа¡
¾ÍÊÇÕâÑùдµÄÎÒ
ÄÇ¾ÍÆæ¹ÖÁË,ûÓбðµÄ·½·¨°¡.
ÄãÖØ»æÏÂÃæ°åÊÔÊÔ
jPanel.repaint();
jPanel.revalidate();
ÖØÖúóÖØ»æÏÂ
ÎÒ¿´¿´°¡
¾ÍÊDz»Ðа¡ ÖØ»æºóÒ²²»Ðа¡¸ÃÔõô×öÄØ
ÎÒ¸Õ¸ÕÒ²ÊÔ¹ýÁË,
²»ÓÃÖØ»æµÄ,
²»ÊÇÃæ°å±ä»¯²»ÓÃÖØ»æ.
jRadioButton.setSelected(false);
¾ÍÕâÒ»Ìõ¾ÍOKÁË.
ÄãÔٺúÿ´¿´ÄãµÄ³ÌÐò,
ÊDz»ÊDZðµÄµØ·½µÄÎÊÌâ
Äã°ÑÎÒÕâ´úÂëÔËÐÐÏ¿´¿´»á²»»áÇå³ý¡£¹ÖÊ¡£¡£¡£ÓÃswing²å¼þÉú³ÉµÄ¡£Óкܶà´úÂëÄã²»Òª¹Ü¡£Ö»Òª¿´Õ⼸¾ä¾ÍOKÁË¡£;
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton1.setSelected(false);
}
Java code
Code highlighting produced by Actipro CodeHighlighter (freeware)
http://www.
Ïà¹ØÎÊ´ð£º
Ïë換個µØ·½¹¤×÷£¬²»ÊÇ´ó連¾ÍÐУ¬
java對ÈÕÍâ°ü4Äê經驗£¬ÈÕ語3級£¬±¾¿Æ
ÓÐÄÄλ´ó´ó給ÍÆÒ»個Ŷ
ÉϺ£±±¾©ºÜ¶àµÄ£¬È¥´³Ò»Ï°É
¶ÔÈյϹÐÐ.
ÄãÔõô² ......
private static final String URL = "jdbc:oracle:thin:@localhost:1521:orcl";
private static final String USERNAME = "sys";
private static final String PASSWORD = "s ......
ÎÒÐèÒªÔÚÒ»¸öforÑ»·ÀïÃæÃ¿Ñ»·Ò»´Îºó,ÔÝÍ£nÃëÖÓ,ÔÙÖ´ÐÐÏÂÒ»´ÎÑ»·.ÎÒ²»ÏëÓÃThread.sleep(n);Õâ¸ö·½·¨,ÇëÎÊ»¹ÓÐÆäËûµÄ·½·¨¿ÉÒÔʵÏÖÕâ¸ö¼òµ¥ÒªÇóÂð?Óмòµ¥´úÂë¸üºÃ,лл!
ÆÚ´ýºÃµÄ·½·¨£¡
ÎÒÖªµÀµÄÒ²¾ÍÊÇÕâ¸öÁË
......
ÈçÌ⣬C/C++ÖеÄexeclÔõôµ÷ÓÃдºÃµÄjava³ÌÐò£¬
execl("/opt/java1.5/bin/java","MyClass",NULL);
ÕâÑùµÄ²»ÐÐŶ¡£
²»»á.
ÔËÐÐjava³ÌÐò
ÕÒ¹¤¾ß²é¿´Ò»ÏÂÄǸö³ÌÐòµÄÃüÁîÐÐ
ËÑË÷Ï£ºjni ......
ÄÄλÀÏ´óÓбȽϺõķÖÒ³¿Ø¼þ»òÕß´úÂë!
ÒªÇó ¿ÉÒÔÏÔʾ×ÜÒ³Êý.»ù±¾µÄÉÏÏ·ҳ.
Êý¾Ý¿âΪOracle
±íÊý¾ÝÁ¿ÓÐ300Íò×óÓÒ ËùÒÔÏÖÔÚÎҵķÖҳЧÂÊÌ«ÂýÁË.
Ï£ÍûÀÏ´óÃÇÄÜÌṩ¸ü¿ ......