//获取歌手名
str = null;
j = 0;
byte[] bytartist = new byte[30];//将歌手名部分读到一个单独的数组中
for(i = currentindex;i<currentindex+30;i++)
{
bytartist[j] = info[i];
position++;
j++;
}
currentindex = position;
mp3info.artist = this.bytetostring(bytartist);