import java.io.*;

public class FiletoJpg {
	/**
	 * 
	 * @param jpgPath
	 *            原始文件
	 * @param filePath
	 *            要追加的文件
	 * @return
	 */
	public static boolean toJpg(String jpgPath, String filePath) {
		try {
			RandomAccessFile randomFile = new RandomAccessFile(jpgPath, "rw");
			FileInputStream fls = new FileInputStream(new File(filePath));
			byte[] b = new byte[fls.available()];
			fls.read(b);
			long l = randomFile.length();
			// 将指针移到末尾
			randomFile.seek(l);
			randomFile.write(b);
			fls.close();
			randomFile.close();
			return true;
		} catch (IOException e) {
			System.out.println(e);
		}

		return false;
	}
}