最近要搞這個，百度一下，發現有 php 版本的代碼，搞來翻譯一下。
package org.iscripts.services;
import java.io.IOException;
import java.io.StringReader;
import java.io.UnsupportedEncodingException;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;
import org.iscripts.common.net.HttpGet;
/**
* @author 混混(<b>ialvin.cn</b>) 廣東·普寧·里湖
*/
public class LrcGet {
public static void main(String[] args) throws Exception {
System.out.println(query("你把愛情給了誰", "王強"));
}
public static String query(String title, String artist)
throws DocumentException, NumberFormatException, IOException {
String URL = "http://ttlrcct.qianqian.com/dll/lyricsvr.dll?sh?Artist={ar}&Title={ti}&Flags=0";
URL = URL.replace("{ar}", encode(artist))
.replace("{ti}", encode(title));
String result = "";
try {
result = HttpGet.get(URL);
} catch (Exception e) {
e.printStackTrace();
}
// 需要 dom4j-1.6.1.jar , 使用可參考 dom4j 手冊
Document doc = new SAXReader().read(new StringReader(result));
// XML中可能包含多個匹配結果，我們只取一個
Node n = doc.selectSingleNode("/result/lrc");
if (n == null)
return null;
Element e = (Element) n;
result = e.attributeValue("id");
artist = e.attributeValue("artist");
title = e.attributeValue("title");
URL = "http://ttlrcct2.qianqian.com/dll/lyricsvr.dll?dl?Id={id}&Code={code}";
URL = URL.replace("{id}", result).replace("{code}",
verifyCode(artist, title, Integer.parseInt(result, 10)));
return HttpGet.get(URL);
}
public static String verifyCode(String artist, String title, int lrcId)
throws UnsupportedEncodingException {
byte[] bytes = (artist + title).getBytes("UTF-8");
int[] song = new int[bytes.length];
for (int i = 0; i < bytes.length; i++)
song[i] = bytes[i] & 0xff;
int intVal1 = 0, intVal2 = 0, intVal3 = 0;
intVal1 = (lrcId & 0xFF00) >> 8;
if ((lrcId & 0xFF0000) == 0) {
intVal3 = 0xFF & ~intVal1;
} else {
intVal3 = 0xFF & ((lrcId & 0x00FF0000) >> 16);
}
intVal3 = intVal3 | ((0xFF & lrcId) << 8);
intVal3 = intVal3 << 8;
intVal3 = intVal3 | (0xFF & intVal1);
intVal3 = intVal3 << 8;
if ((lrcId & 0xFF000000) == 0) {
intVal3 = intVal3 | (0xFF & (~lrcId));
} else {
intVal3 = intVal3 | (0xFF & (lrcId >> 24));
}
int uBound = bytes.length - 1;
while (uBound >= 0) {
int c = song[uBound];
if (c >= 0x80)
c = c - 0x100;
intVal1 = c + intVal2;
intVal2 = intVal2 << (uBound % 2 + 4);
intVal2 = intVal1 + intVal2;
uBound -= 1;
}
uBound = 0;
intVal1 = 0;
while (uBound <= bytes.length - 1) {
int c = song[uBound];
if (c >= 128)
c = c - 256;
int intVal4 = c + intVal1;
intVal1 = intVal1 << (uBound % 2 + 3);
intVal1 = intVal1 + intVal4;
uBound += 1;
}
int intVal5 = intVal2 ^ intVal3;
intVal5 = intVal5 + (intVal1 | lrcId);
intVal5 = intVal5 * (intVal1 | intVal3);
intVal5 = intVal5 * (intVal2 ^ lrcId);
return String.valueOf(intVal5);
}
private static String encode(String value) {
if (value == null)
value = "";
value = value.replace(" ", "").replace("'", "").toLowerCase();
byte[] bytes = null;
try {
bytes = value.getBytes("UTF-16LE");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
bytes = value.getBytes();
}
return stringify(bytes);
}
final private static char[] digit = { '0', '1', '2', '3', '4', '5', '6',
'7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
private static String stringify(byte[] bytes) {
char[] str = new char[2];
StringBuilder builder = new StringBuilder();
for (byte byteValue : bytes) {
str[0] = digit[(byteValue >>> 4) & 0X0F];
str[1] = digit[byteValue & 0X0F];
builder.append(str);
}
return builder.toString();
}
}
其中 HttpGet.get(.....) 方法是 HTTP 抓取的功能，參考：
http://www.iscripts.org/forum.php?mod=viewthread&tid=84
ASP版的千千靜聽 LRC 歌詞查詢 請點這里
原文鏈接：http://www.iscripts.org/forum.php?mod=viewthread&tid=85