Java codeimport java.io.File;

import java.io.FileInputStream;

import java.io.FilenameFilter;

public class Rename {

/**

* @param args

*/

public static void main(String[] args) {

File file = new File("d:/aaa/"); //歌词存放路径

long start = System.currentTimeMillis();

File[] fList = file.listFiles(new FilenameFilter() { //过滤文件，只处理 lrc格式的

@Override

public boolean accept(File dir, String name) {

if (!name.endsWith(".lrc"))

return false;

return true;

}

});

byte[] buf = new byte[1000];

for (int i = 0; i < fList.length; i++) {

try {

FileInputStream fis = new FileInputStream(fList[i]);

int length = fis.read(buf, 0, buf.length); //将文件开头的1000个字节读入到buf里

fis.close();

String tmp = new String(buf, 0, length);

rename(fList[i], tmp); // 重命名

} catch (Exception e) {

System.out.println(e);

}

}

long usedTime = System.currentTimeMillis()-start;

System.out.println("用时："+usedTime);

}

public static void rename(File file, String str) {

String fullname = "";

String artist = "";

String name = "";

if (-1 != str.indexOf("[ar:")) {

String tmp = str.substring(str.indexOf("[ar:"), str.length());

artist = tmp.substring(0, tmp.indexOf("]"))

.replaceAll("\\[ar:", "");

if (-1 != str.indexOf("[ti:")) {

String tmp2 = str.substring(str.indexOf("[ti:"), str.length());

name = tmp2.substring(0, tmp2.indexOf("]")).replaceAll(

"\\[ti:", "");

fullname = artist + " - " + name;

} else {

fullname = artist + " - 未知歌名";

}

} else {

if (-1 != str.indexOf("[ti:")) {

String tmp2 = str.substring(str.indexOf("[ti:"), str.length());

name = tmp2.substring(0, tmp2.indexOf("]")).replaceAll(

"\\[ti:", "");

fullname = "未知歌手 - " + name;

}

}

if (!"".equals(fullname)) {

file.renameTo(new File(file.getParent() + fullname + ".lrc"));

}

}

}