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InputStream is = new FileInputStream(filename);//ͨ¹ýÎļþÃû³Æ¶ÁÈ¡
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InputStream is =new ByteArrayInputStream(byte[] a);//ͨ¹ýÎļþµÄ×Ö½ÚÊý×é¶ÁÈ¡
BufferedImage buff = ImageIO.read(is);
buff.getWidth();¡¡//µÃµ½Í¼Æ¬µÄ¿í¶È
buff.getHeight(); //µÃµ½Í¼Æ¬µÄ¸ß¶È
is.close(); //¹Ø±ÕStream
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Java ÀíÂÛºÍʵ¼ù: Á˽ⷺÐÍ Ê¶±ðºÍ±ÜÃâѧϰʹÓ÷ºÐ͹ý³ÌÖеÄÏÝÚå
JDK 5.0 ÖÐÔö¼ÓµÄ·ºÐÍÀàÐÍ£¬ÊÇ Java ÓïÑÔÖÐÀàÐͰ²È«µÄÒ»´ÎÖØÒª¸Ä½ø¡£µ«ÊÇ£¬¶ÔÓÚ³õ´ÎʹÓ÷ºÐÍÀàÐ͵ÄÓû§À´Ëµ£¬·ºÐ͵ÄijЩ·½Ãæ¿´ÆðÀ´¿ÉÄܲ»ÈÝÒ×Ã÷°×£¬ÉõÖÁ·Ç³£Ææ¹Ö¡£ÔÚ±¾ÔµÄ"Java Àí ......
package sample1;
import java.io.File;
import jp.ne.so_net.ga2.no_ji.jcom.IDispatch;
import jp.ne.so_net.ga2.no_ji.jcom.JComException;
import jp.ne.so_net.ga2.no_ji.jcom.ReleaseManager;
/**
* ʹÓÃjComʵÏÖдexcelÎļþµÄÁíÒ»ÖÖ·½Ê½£¨IDispatch£©
* @author steve_wang_victor
&nbs ......
1.½Ó¿ÚÓë³éÏóÀàÇø±ð
abstract class ÔÚ Java ÓïÑÔÖбíʾµÄÊÇÒ»Öּ̳йØÏµ£¬Ò»¸öÀàÖ»ÄÜʹÓÃÒ»´Î¼Ì³Ð¹ØÏµ¡£µ«ÊÇ£¬Ò»¸öÀàÈ´¿ÉÒÔʵÏÖ¶à¸öinterface¡£
¡¡¡¡ÔÚabstract class ÖпÉÒÔÓÐ×Ô¼ºµÄÊý¾Ý³ÉÔ±£¬Ò²¿ÉÒÔÓзÇabstarctµÄ³ÉÔ±·½·¨£¬¶øÔÚinterfaceÖУ¬Ö»Äܹ»Óо²Ì¬µÄ²»Äܱ»Ð޸ĵÄÊý¾Ý³ÉÔ± ......
/*****************TestCar1 begin************************/
public class TestCar1 {
public static final int Ok=1; //Õý³£Çé¿ö
public static final int Wrong=2; //Òì³£Çé¿ö
public int run(){
if("³µ×ÓûÓгöÏÖ¹ÊÕÏ"){  ......