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 £­CookieºÍSessionרÌâ

Ò»¡¢cookie»úÖÆºÍsession»úÖÆµÄÇø±ð
*****************************************************************
¾ßÌåÀ´Ëµcookie»úÖÆ²ÉÓõÄÊÇÔÚ¿Í»§¶Ë±£³Ö״̬µÄ·½°¸£¬¶øsession»úÖÆ²ÉÓõÄÊÇÔÚ·þÎñÆ÷¶Ë±£³Ö״̬µÄ·½°¸¡£
ͬʱÎÒÃÇÒ²¿´µ½£¬ÓÉÓڲŷþÎñÆ÷¶Ë±£³Ö״̬µÄ·½°¸ÔÚ¿Í»§¶ËÒ²ÐèÒª±£´æÒ»¸ö±êʶ£¬ËùÒÔsession
»úÖÆ¿ÉÄÜÐèÒª½è ......

weka1:ÔÚeclipseÏÂʹÓÃjavaµ÷ÓÃweka

ÔÚjavaÏîÄ¿Öе¼Èëweka.jarµÄ°ü,È»ºó°ÑÏÂÃæ´úÂëcopyµ½mainÀïÃæ,
ÓÃeclipseµÄ»°×Ô¶¯import°É.
×¢ÒâÒ»ÏÂÄǸöÎļþµÄ·¾¶ÊÇ·ñÕýÈ·.
import
java.io.File;
import
weka.classifiers.Classifier;
import
weka.classifiers.trees.J48;
import
weka.core.Instances;
import
weka.core.converters.ArffLoader;

½ ......

java²¢·¢±à³Ì Executor¿ò¼Ü1


Executor¿ò¼ÜÊÇÖ¸java 5ÖÐÒýÈëµÄһϵÁв¢·¢¿âÖÐÓëexecutorÏà¹ØµÄһЩ¹¦ÄÜÀ࣬ÆäÖаüÀ¨Ï̳߳أ¬Executor£¬Executors£¬ExecutorService£¬CompletionService£¬Future£¬CallableµÈ¡£ËûÃǵĹØÏµÎª£º
²¢·¢±à³ÌµÄÒ»ÖÖ±à³Ì·½Ê½ÊǰÑÈÎÎñ²ð·ÖΪһЩÁеÄСÈÎÎñ£¬¼´Runnable£¬È»ºóÔÚÌá½»¸øÒ»¸öExecutorÖ´ÐУ¬Executor.execute(Runnal ......

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 ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ