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

JavaÖÐÖØÔØºÍÖØÐ´µÄÇø±ð

1¡¢ÖØÔØ(Overloading)
£¨1£©·½·¨ÖØÔØÊÇÈÃÀàÒÔͳһµÄ·½Ê½´¦Àí²»Í¬ÀàÐÍÊý¾ÝµÄÒ»ÖÖÊֶΡ£¶à¸öͬÃûº¯Êýͬʱ
´æÔÚ£¬¾ßÓв»Í¬µÄ²ÎÊý¸öÊý/ÀàÐÍ¡£ÖØÔØOverloadingÊÇÒ»¸öÀàÖжà̬ÐÔµÄÒ»ÖÖ±íÏÖ¡£
£¨2£©JavaµÄ·½·¨ÖØÔØ£¬¾ÍÊÇÔÚÀàÖпÉÒÔ´´½¨¶à¸ö·½·¨£¬ËüÃǾßÓÐÏàͬµÄÃû×Ö£¬µ«¾ß
Óв»Í¬µÄ²ÎÊýºÍ²»Í¬µÄ¶¨Òå¡£µ÷Ó÷½·¨Ê±Í¨¹ý´«µÝ¸øËüà ......

Ìá¸ßjava¿ª·¢ËÙ¶È£¨Eclipse¿ì½Ý¼üÓ¦Óã©

ÏëÔÚ¿ª·¢ÖÐÌá¸ßËٶȺÍЧÂÊ£¡²»ÄÜÍü¼ÇµÄEclipse¿ì½Ý¼ü
Eclipse¿ì½Ý¼ü´óÈ«
ÍÆ¼öCtrl+1 ¿ìËÙÐÞ¸´(×î¾­µäµÄ¿ì½Ý¼ü,¾Í²»Óöà˵ÁË)
Ctrl+D: ɾ³ýµ±Ç°ÐÐ
Ctrl+Alt+↓ ¸´ÖƵ±Ç°Ðе½ÏÂÒ»ÐÐ(¸´ÖÆÔö¼Ó)
Ctrl+Alt+↑ ¸´ÖƵ±Ç°Ðе½ÉÏÒ»ÐÐ(¸´ÖÆÔö¼Ó)
Alt+↓ µ±Ç°ÐкÍÏÂÃæÒ»Ðн»»¥Î»ÖÃ(ÌØ±ðʵÓÃ,¿ÉÒÔʡȥÏȼôÇÐ,ÔÙÕ³Ìù ......

java¼¼ÄܰÙÁ¶001 Test

package CH1;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class exercise001 extends JApplet {
 // ¶¨Òå±äÁ¿
 private JColorChooser chooser = new JColorChooser();
 private JButton button = new JButton("Show Color Chooser");
 private JDialog dialo ......

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