krc转lrc 酷狗加密歌词转换

import java.io.ByteArrayOutputStream;import java.io.FileOutputStream;import java.io.RandomAccessFile;import java.text.SimpleDateFormat;import java.util.regex.Matcher;import java.util.regex.Pattern;import java.util.zip.Inflater;public class Krc2Lrc {private static final char key[] = { '@', 'G', 'a', 'w', '^', '2', 't', 'G', 'Q', '6', '1', '-', '\316', '\322','n', 'i' };public static void main(String[] args) {try {convert("c:/a.krc");}catch (Exception e) {System.err.println("failure!");e.printStackTrace();return;}System.out.println("success");}/* * 参数：文件名 函数作用：解密转换 */public static void convert(String fileName) throws Exception {RandomAccessFile raf = new RandomAccessFile(fileName, "r");byte[] content = new byte[(int) (raf.length() - 4)];raf.skipBytes(4);raf.read(content);raf.close();for (int i = 0, length = content.length; i < length; i++) {int j = i % 16; // 循环异或解密content[i] ^= key[j];}String lrc = null;lrc = new String(decompress(content), "utf-8"); // 解压为 utf8String final_lrc = lrc.replaceAll("<([^>]*)>", "").replaceAll(",([^]]*)]", "] ");/* 处理时间标签 */Pattern p = Pattern.compile("\\[\\d+?\\]");Matcher m = p.matcher(final_lrc);while (m.find()) {final_lrc = m.replaceFirst(toTime(m.group()));m = p.matcher(final_lrc);}String lrcFileName = fileName.replaceAll(".krc", ".lrc").replaceAll("\\s-\\s\\w+.lrc", ".lrc");FileOutputStream fos = new FileOutputStream(lrcFileName);byte[] lrcbyte = final_lrc.getBytes();fos.write(lrcbyte);fos.close();System.out.println("文件保存为："+lrcFileName);}private static String toTime(String num) {SimpleDateFormat sdf = new SimpleDateFormat("mm:ss");long time = Long.parseLong(num.substring(1, num.length() - 1));return "[" + sdf.format(time) + "." + ((time % 1000) / 10) + "]";}/* * 解压 */private static byte[] decompress(byte[] data) throws Exception {byte[] output = new byte[0];Inflater decompresser = new Inflater();decompresser.reset();decompresser.setInput(data);ByteArrayOutputStream o = new ByteArrayOutputStream(data.length);byte[] buf = new byte[1024];while (!decompresser.finished()) {int i = decompresser.inflate(buf);o.write(buf, 0, i);}output = o.toByteArray();o.close();decompresser.end();return output;}}