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

java ¶ÁÈ¡²¢±£´æexcelÖеÄͼƬ

/*
     * ±£´æexcelÖеÄͼƬ(ÒÔÎļþÐÎʽ±£´æ£¬»òÕß´æÈëÊý¾Ý¿â)
     *
     * basePath:Ó¦ÓÃËùÔÚ·¾¶,¸½¼þ´æ·Å·¾¶:
     * ²ÎÊý£ºisÊÇÉÏ´«µÄ¸½¼þÎļþÁ÷
     */
    public void saveSheetImgByFile(String basePath,InputStream is) throws ParseException {
        FileOutputStream os = null;
        try {
            Workbook wbk = Workbook.getWorkbook(is);
            //½¨ÎļþĿ¼
            File mkFile = new File(basePath);
            if (!mkFile.exists() && !mkFile.isDirectory()) {
                mkFile.mkdirs();
            }
            // Ñ­»·ËùÓÐsheet
            for (int k = 0; k < wbk.getNumberOfSheets(); k++) {
                Sheet sheet = wbk.getSheet(k);
                // ¹²ÓжàÉÙÐÐ
                int imgNumber = sheet.getNumberOfImages();// »ñµÃsheetËù°üº¬µÄͼƬÊý
                // Ñ­»·sheetµÄËùÓÐͼƬ
                for (int i = 0; i < imgNumber; i++) {
                    Image image = sheet.getDrawing(i);
                    byte[] imageD


Ïà¹ØÎĵµ£º

Java»ñÈ¡ÕæÊµIPµØÖ·

ÔÚJSPÀ»ñÈ¡¿Í»§¶ËµÄIPµØÖ·µÄ·½·¨ÊÇ£ºrequest.getRemoteAddr()£¬ÕâÖÖ·½·¨Ôڴ󲿷ÖÇé¿ö϶¼ÊÇÓÐЧµÄ¡£µ«ÊÇÔÚͨ¹ýÁËApache,SquidµÈ·´Ïò´úÀíÈí¼þ¾Í²»ÄÜ»ñÈ¡µ½¿Í»§¶ËµÄÕæÊµIPµØÖ·ÁË¡£
Èç¹ûʹÓÃÁË·´Ïò´úÀíÈí¼þ£¬½«http://192.168.1.110:2046/ µÄURL·´Ïò´úÀíΪhttp://www.xxx.com/ µÄURLʱ£¬ÓÃrequest.getRemoteAddr()·½·¨»ñÈ¡ ......

JavaÃοªÊ¼µÄµØ·½

JavaÃοªÊ¼µÄµØ·½
Ï£ÍûÊǼáÈ͵ĹÕÕÈ£¬ÈÌÄÍÊÇÂÃÐдü£¬Ð¯´øËüÃÇ£¬ÈË¿ÉÒÔµÇÉÏÓÀºãÖ®ÂÃ;¡£--Bertrand Russell
Java:¸ßЧ¿ì½Ý¿çƽ̨¿ÉÒÆÖ²
³ÌÐòÔ±£ºJavaÓïÑÔ±¾Éí£¨»ù±¾Óï·¨ºÍ¸ÅÄԭÀíÓ¦Óã©£»JavaÓ¦Óÿª·¢
Êé¼®£ºJava±à³Ì˼Ï룻Java½Ì³Ì£»ÉîÈ뿪·¢Java Web¿ª·¢ÄÚÄ»µÈ
ÃοªÊ¼µÄµØ·½
01Ò»ÃÅÓïÑÔ¾«Í¨µÄ±ØÒªÌõ¼þ
02²Ù×÷ÏµÍ ......

Java»ù´¡Ð¡½á(ÊýÖµÀàÐÍת»»¹æÔò)

Java»ù´¡Ð¡½á(ÊýÖµÀàÐÍת»»¹æÔò)
Ò»¡¡ÊýÖµÀàÐÍת»»¹æÔò
ÊýÖµÐÍÊý¾Ý½øÐÐÔËËãʱ£¬Èç¹û²Ù×÷ÊýµÄÀàÐͲ»Í¬»ò²Ù×÷ÊýµÄÀàÐ;ùµÍÓÚintÐÍ£¬Ôò
»á½øÐÐ×Ô¶¯ÀàÐÍת»»´¦Àí£¬¾ßÌ广ÔòÈçÏ£º
1)Èç¹ûÁ½¸ö²Ù×÷ÊýÖÐÓÐÒ»¸öÊÇdoubleÐÍ£¬ÔòϵͳÏȽ«ÁíÒ»¸ö²Ù×÷ÊýµÄֵת»»Îªdouble
ÐÍ£¬È»ºóÔÙ½øÐÐÔËË㣬·ñÔò
2)Èç¹ûÁ½¸ö²Ù×÷ÊýÖÐÓÐÒ»¸öÊÇfloat ......

JavaʵÓþ­Ñé×ܽá Swingƪ


ǰÑÔ
±¾ÎÄǰÑÔ²¿·ÖΪÎÒµÄһЩ¸ÐÏ룬Èç¹ûÄãÖ»¶Ô±¾ÎĽéÉܵÄJavaʵÓü¼ÇɸÐÐËȤ£¬¿ÉÒÔÌø¹ýǰÑÔÖ±½Ó¿´ÕýÎĵÄÄÚÈÝ¡£
±¾ÎĵÄд×÷¶¯»úÀ´Ô´ÓÚ×î½ü½Ó¸øÈ˼ҰïæдµÄÒ»¸öС³ÌÐò£¬Ö÷ÒªÓÃÓÚ¹ÜÀí·ÖÆÚ¸¶¿îµÄ»õ¿îµÄһϵÁйÜÀí£¬°üÀ¨¹ýÆÚ¿îµÄ¼Í¼£¬¹ýÆÚ¿îÀûÏ¢µÄ¼ÆË㣬ΪÌáǰ¸¶¿îµÄÓû§ÌṩһЩ·µ¿î½±ÀøµÈµÈ£¬ÕâЩÓë±¾ÎÄÎÞ¹Ø×Ô²»±ØÏ¸Ëµ¡£ ......

java¶àÏß³ÌʹÓÃSynchronized¹Ø¼ü×Öͬ²½Àà·½

ÒªÏë½â¾ö“ÔàÊý¾Ý”µÄÎÊÌ⣬×î¼òµ¥µÄ·½·¨¾ÍÊÇʹÓÃsynchronized¹Ø¼ü×ÖÀ´Ê¹run·½·¨Í¬²½£¬´úÂëÈçÏ£º
public synchronized void run()
{
 
}
´ÓÉÏÃæµÄ´úÂë¿ÉÒÔ¿´³ö£¬Ö»ÒªÔÚvoidºÍpublicÖ®¼ä¼ÓÉÏsynchronized¹Ø¼ü×Ö£¬¾Í¿ÉÒÔʹrun·½·¨Í¬²½£¬Ò²¾ÍÊÇ˵£¬¶ÔÓÚͬһ¸öJavaÀàµÄ¶ÔÏóʵÀý£¬run·½·¨Í¬ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ