返回24个无符号位作为整数。

import java.io.IOException;

import java.io.InputStream;/**来 自 n o w j a v a . c o m - 时代Java**/

import java.nio.ByteBuffer;

import java.util.Iterator;

import org.apache.log4j.Logger;


public class Main{

    /**

     * Return 24 unsigned bits as an integer. Big endian.

     * 

     * @param buf

     * @return

     */

    final public static int getUnsigned24(ByteBuffer buf) {

        int length = (0xff & buf.get());

        length = (length <&l