java读取图片文件

package random;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;


public class PicIO {

public static void main(String[] args) throws Exception{
InputStream fis = new FileInputStream(new File("c:\\测试\\宝贝.jpg"));
OutputStream fos = new FileOutputStream(new File("c:\\测试\\temp.jpg"));
int a = 0;
byte[] temp = new byte[100];
while((a = fis.read(temp))>0){
int b = 0;
b+=a;
fos.write(temp,0,b);
}
fos.flush();
fis.close();
fos.close();
}
}