import?java.awt.image.BufferedImage;
import?java.io.ByteArrayInputStream;
import?java.io.ByteArrayOutputStream;
import?java.io.File;
import?java.io.IOException;

import?javax.imageio.ImageIO;

import?sun.misc.base64Decoder;
import?sun.misc.base64Encoder;

public?class?TestImageBinary?{
	static?base64Encoder?encoder?=?new?sun.misc.base64Encoder（）;
	static?base64Decoder?decoder?=?new?sun.misc.base64Decoder（）;
	
	public?static?void?main（String[]?args）?{
		System.out.println（getImageBinary（））;
		
		base64StringToImage（getImageBinary（））;
	}
	
	static?String?getImageBinary（）{
		File?f?=?new?File（“c://20090709442.jpg“）;		
		BufferedImage?bi;
		try?{
			bi?=?ImageIO.read（f）;
			ByteArrayOutputStream?baos?=?new?ByteArrayOutputStream（）;
			ImageIO.write（bi?“jpg“?baos）;
			byte[]?bytes?=?baos.toByteArray（）;
			
			return?encoder.encodeBuffer（bytes）.trim（）;
		}?catch?（IOException?e）?{
			e.printStackTrace（）;
		}
		return?null;
	}
	
	static?void?base64StringToImage（String?base64String）{
		try?{
			byte[]?bytes1?=?decoder.decodeBuffer（base64String）;
			
			ByteArrayInputStream?bais?=?new?ByteArrayInputStream（bytes1）;
			BufferedImage?bi1?=ImageIO.read（bais）;
			File?w2?=?new?File（“c://QQ.bmp“）;//可以是jpgpnggif格式
			ImageIO.write（bi1?“jpg“?w2）;//不管輸出什么格式圖片，此處不需改動
		}?catch?（IOException?e）?{
			e.printStackTrace（）;
		}
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????17492??2011-08-01?14:07??20090709442.jpg
?????文件????????1430??2011-08-05?12:59??TestImageBinary.java