¹ØÓÚJavaµÄÁ½¸öÀà DesktopºÍSystemTray
ÔÚJDK6ÖÐ ,AWTÐÂÔö¼ÓÁËÁ½¸öÀà:DesktopºÍSystemTray,ǰÕß¿ÉÒÔÓÃÀ´´ò¿ªÏµÍ³Ä¬ÈÏä¯ÀÀÆ÷ä¯ÀÀÖ¸¶¨µÄURL,´ò¿ªÏµÍ³Ä¬ÈÏÓʼþ¿Í»§¶Ë¸øÖ¸¶¨µÄÓÊÏä·¢Óʼþ,ÓÃĬÈÏÓ¦ÓóÌÐò´ò¿ª»ò±à¼Îļþ(±ÈÈç,ÓüÇʱ¾´ò¿ªÒÔtxtΪºó׺ÃûµÄÎļþ),ÓÃϵͳĬÈϵĴòÓ¡»ú´òÓ¡Îĵµ;ºóÕß¿ÉÒÔÓÃÀ´ÔÚϵͳÍÐÅÌÇø´´½¨Ò»¸öÍÐÅ̳ÌÐò.ÏÂÃæ´úÂëÑÝʾÁËDesktopºÍSystemTrayµÄÓ÷¨.
/**
*
* @author chinajash
*/
public class DesktopTray {
private static Desktop desktop;
private static SystemTray st;
private static PopupMenu pm;
public static void main(String[] args) {
if(Desktop.isDesktopSupported()){//Åжϵ±Ç°Æ½Ì¨ÊÇ·ñÖ§³ÖDesktopÀà
desktop = Desktop.getDesktop();
}
if(SystemTray.isSupported()){//Åжϵ±Ç°Æ½Ì¨ÊÇ·ñÖ§³ÖϵͳÍÐÅÌ
st = SystemTray.getSystemTray();
Image image = Toolkit.getDefaultToolkit().getImage("netbeans.png");//¶¨ÒåÍÐÅÌͼ±êµÄͼƬ
createPopupMenu();
TrayIcon ti = new TrayIcon(image, "Desktop Demo Tray", pm);
try {
st.add(ti);
} catch (AWTException ex) {
ex.printStackTrace();
}
 
Ïà¹ØÎĵµ£º
±±¾©µÄÌìÆøÅ¶£¡ÕæµÄºÜÏñÄǸöÎÒÒ²Íü¼ÇÁËÃû×ÖµÄǰ±²ËµµÄÒ»¾ä»°——ÕâÌìŶ£¡¾ÍÏñÅ®º¢×ÓÒ»ÑùŶºöÀäºöÈȵġ£»¹Ïë˵ÊǶ¼ÊÇ£¬¶¼¼¸Ô·ÝÁ˰¡£¬ÕæµÄÊǸоõ²»µ½°ëµã´ºÌìµÄÆøÏ¢¡£±ÈÎÒÔÚÖØÇìµÄ¶¬Ì컹ҪÁ¹£¬×òÌìÒ¹À¶³Ë¯Á˺öà´Î£¡
½ñÌì·Å¼Ù£¬AJAXµÄ¿Î³ÌÓÖ¸æÒ»¶ÎÂ䣬¼ÌSTRUTSºó£¬ÎÒÃÇÓÖѧÎÞÁËÓÖÒ»Ãſγ̣¬Ï²µÄÊÇ×ܵÄ×ÔÎҸоõ ......
import java.io.File;
import java.io.FileInputStream;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class MD5Util
{
private static char md5Chars[] =
{ '0', '1', '2' ......
JavaÓïÑÔµÄÊäÈëÊä³ö¹¦ÄÜÊÇÊ®·ÖÇ¿´ó¶øÁé»îµÄ£¬ÃÀÖв»×ãµÄÊÇ¿´ÉÏÈ¥ÊäÈëÊä³öµÄ´úÂë²¢²»ÊǺܼò½à£¬ÒòΪÄãÍùÍùÐèÒª°ü×°Ðí¶à²»Í¬µÄ¶ÔÏó¡£ÔÚJavaÀà¿âÖУ¬IO²¿·ÖµÄÄÚÈÝÊǺÜÅÓ´óµÄ£¬ÒòΪËüÉæ¼°µÄÁìÓòºÜ¹ã·º:±ê×¼ÊäÈëÊä³ö£¬ÎļþµÄ²Ù×÷£¬ÍøÂçÉϵÄÊý¾ÝÁ÷£¬×Ö·û´®Á÷£¬¶ÔÏóÁ÷£¬zipÎļþÁ÷....±¾ÎĵÄÄ¿µÄÊÇΪ´ó¼Ò×öÒ»¸ö¼òÒªµÄ½éÉÜ¡£ Á÷ÊÇÒ»¸ ......
1.MVCµÄ¸÷¸ö²¿·Ö¶¼ÓÐÄÇЩ¼¼ÊõÀ´ÊµÏÖ?ÈçºÎʵÏÖ?
´ð£ºMVCÊÇModel£View£ControllerµÄ¼òд¡£"Model" ´ú±íµÄÊÇÓ¦ÓõÄÒµÎñÂß¼£¨Í¨¹ýJavaBean£¬EJB×é¼þʵÏÖ£©£¬ "View" ÊÇÓ¦ÓõıíÊ¾Ãæ£¨ÓÉJSPÒ³Ãæ²úÉú£©£¬"Controller" ÊÇÌṩӦÓõĴ¦Àí¹ý³Ì¿ØÖÆ£¨Ò»°ãÊÇÒ»¸öServlet£©£¬Í¨¹ýÕâÖÖÉè¼ÆÄ£ÐͰÑÓ¦ÓÃÂß¼£¬´¦Àí¹ý³ÌºÍÏÔʾÂß¼·Ö³É²» ......
1.ÈçºÎ»ñµÃÊý×éµÄ³¤¶È£¿
Êý×éÃû.length
2.·ÃÎÊÐÞÊηû“public/private/protected/ȱʡµÄÐÞÊηû”µÄʹÓÃÀà?
public : ¹«¹²,¾ù¿É·ÃÎÊ
private: ˽ÓеÄ,ͬһ¸öjavaÀàÖпÉÒÔ·ÃÎÊ.×ÓÀ಻ÄÜ·ÃÎÊ.
protected: ͬһ¸ö°üÖеÄÀà¶¼¿É·ÃÎÊ.×ÓÀà¿ÉÒÔ·ÃÎÊ.
ȱʡ,friendly :µ±Ç°Àà,ͬһ¸ö°ü,¶¼¿ÉÒÔ·ÃÎÊ.
×÷ÓÃÓò µ± ......