Java¶ÁȡͼƬÎļþµÄ¿í¶ÈºÍ¸ß¶È
InputStream is = new FileInputStream(filename);//ͨ¹ýÎļþÃû³Æ¶ÁÈ¡
»ò
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
Ïà¹ØÎĵµ£º
Javaѧϰ´ÓÈëÃŵ½¾«Í¨
Ò»¡¢ JDK (Java Development Kit)
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......
RXTXÊÇÒ»¸ö¿ªÔ´°ü£¬Ö÷ÒªÊÇÔÚCOMM¿ªÔ´°üÖÐ×öÀ©ÕÅ£¬ÒÔǰµÄCOMM°üÖ»ÄÜÔÚWINDOWSÏÂÃæ¶Ô´®¿Ú»ò²¢¿Ú×ö²Ù×÷£¬À©³äºóµÄRXTX¿ÉÒÔÔÚLINUXºÍMAC϶Դ®¿ÚºÍ²¢¿Ú×ö²Ù×÷¡£ ÏÖÔÚ¿çÆ½Ì¨£º
ÔÚRXTXÍøÕ¾ÏÂÔØJAR°üºÍ¶¯Ì¬¿â
http://users.frii.com/jarvi/rxtx/download.html
ÏÂÔØºóÅäÖû·¾³
Windows
¿½±´RXTXcomm.jar Îļþ ......
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 ......
ת×Ô http://www.javaeye.com/topic/309457
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
......
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 ......