Android获取百度音乐下载音乐和歌词下载链接

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首先，你必须通过以下连接下载歌曲：

http://box.zhangmen.baidu.com/x?op=12&count=1&title={title}$${author}$$$$

能够获取一个xml文件通过解析xml文件就能够读取到音乐下载的地址和歌词下载的地址。

部分代码：

String title = "六月的雨";

String singer = "胡歌";

String url = "http://box.zhangmen.baidu.com/x?op=12&count=1&title={title}$${author}$$$$"

url=url.replace("{title}", URLEncoder.encode(title, "utf-8"));

//将String字符串转码

if(singer == null) {

url=url.replace("$${author}$$$$", "");

}else {

url=url.replace("{author}", URLEncoder.encode(singer, "utf-8"));

}

以下这部分是依据url地址，下载xml文件的代码：

public static InputStream downLoad(String urlStr) {
//依据网络地址获取输入流

InputStream inputStream = null;

try {

URL url = new URL(urlStr);

HttpURLConnection urlConn = (HttpURLConnection)url.openConnection();

urlConn.setRequestMethod("GET");

urlConn.setConnectTimeout(10000);

urlConn.setDoOutput(true);

urlConn.setDoInput(true);

//urlConn.setUseCaches(true);

urlConn.connect();

System.out.println("UrlCode:"+urlConn.getResponseCode());

if(urlConn.getResponseCode() != HttpURLConnection.HTTP_OK) {

System.out.println("请求失败");

}else {

System.out.println("请求成功 ");

}

inputStream = urlConn.getInputStream();

}catch(Exception e) {

e.printStackTrace();

}

return inputStream;

}

public static String downLoadTextFile(String url) {

StringBuffer sb = new StringBuffer();

BufferedReader buffer = null;

InputStream instream = null;

String line=null;

try {

instream = downLoad(url);

buffer = new BufferedReader(new InputStreamReader(instream,"GB2312"));

while((line = buffer.readLine()) != null){

System.out.println(line);

sb.append(line+"\n");

}

}catch(IOException e) {

e.printStackTrace();

}finally {

try {

buffer.close();

instream.close();

}catch(IOException e) {

e.printStackTrace();

}

}

return sb.toString();

}

下载的XML文件例如以下：

<<result>

<count>1</count>

<url>

<encode>

<![CDATA[

http://zhangmenshiting.baidu.com/data2/music/35447544/ZGdnaGxra2xfn6NndK6ap5WXcJppZ2ppZ2aWaWaXnWthlJSWmphucGJklZaWmJiakmlplpZuZ5xkaZZramdtbGFmbFqin5t1YWBnamVtcGhpaGhpa21rcTE$

]]>

</encode>

<decode>

<![CDATA[

35447544.mp3?xcode=f413164c51af30babeb7812bbababa76ba80d37c75164049&mid=0.46079086556749

]]>

</decode>

<type>8</type>

<lrcid></lrcid>

<flag>1</flag>

</url>

<durl>

<encode>

<![CDATA[

http://zhangmenshiting2.baidu.com/data2/music/35447547/ZGdnaGxra29fn6NndK6ap5WXcJppZ2ppZ2aWaWaXnWthlJSWmphucGJklZaWmJiakmlpZZaYZ2pnY2xobm1wbpOTaFqin5t1YWBnamVtcGhpaGhpa21rcTE$

]]>

</encode>

<decode>

<![CDATA[

35447547.mp3?

xcode=f413164c51af30babeb7812bbababa761ab0261949796ba5&mid=0.46079086556749

]]>

</decode>

<type>8</type>

<lrcid>35220</lrcid>

<flag>1</flag>

</durl>

<p2p>

<hash>9d1c20c4d3055f25acb6b61d727cafcfae096519</hash>

<url>

<![CDATA[ ]]>

</url>

<type>mp3</type>

<size>5511091</size>

<bitrate>192</bitrate>

</p2p>

</result>

当中的count值为1是说返回的是一个,,encode里的值是歌曲加密后的地址,加密仅仅是对文件名称加密
的,

我们须要的仅仅是前面的路径,也就是 http://zhangmenshiting.baidu.com/data2/music/35447544/

这部分,然后复制decode 的值:

35447544.mp3?

xcode=f413164c51af30babeb7812bbababa76ba80d37c75164049&mid=0.46079086556749

把他们连接起来就是mp3的url下载地址：

http://zhangmenshiting.baidu.com/data2/music/35447544/35447544.mp3?xcode=f413164c51af30babeb7812bbababa76ba80d37c75164049&mid=0.46079086556749

http://box.zhangmen.baidu.com/bdlrc/
这个是百度lrc歌词存放地址,

xml中的lrcid就是地址可是要把它转换一下。首先

35220/100 =352.20 取小于等于352.20 的最大整数就是352,于是这首歌完整的歌词地址就出来了:

/.lrc

这部分也是网上看到的，能够到网上查到的。好像就是这么个规则

以下是解析XML文件：

//使用dom解析xml文件

public static String parasXML(InputStream inputStream) {

try {

String lrcid = null,url = null;

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

DocumentBuilder builder = factory.newDocumentBuilder();

Document dom = builder.parse(inputStream);

Element root = dom.getDocumentElement();

Node count = root.getFirstChild();

NodeList items = root.getElementsByTagName("url");

if(items.getLength() <= 0) {

System.out.println("歌曲未找到");

return null;

}else {

Element urlNode = (Element)items.item(0);

//System.out.println(urlNode.getTextContent());

Element lrcidNode = (Element)(urlNode.getElementsByTagName("lrcid").item(0));

Element encodeNode = (Element)urlNode.getElementsByTagName("encode").item(0);

Element decodeNode = (Element)urlNode.getElementsByTagName("decode").item(0);

if(encodeNode == null) {

System.out.println("歌曲信息为空，无法下载");

return null;

}else {

System.out.println("encode="+encodeNode.getTextContent());

}

if(lrcidNode == null) {

System.out.println("lrcid == null");

}else {

System.out.println(lrcidNode.getNodeName());

}

if("lrcid".equals(lrcidNode.getNodeName())) {

System.out.println(lrcidNode.getTextContent());

lrcid = lrcidNode.getTextContent();

}else {

System.out.println(lrcidNode.getNodeName());

}

//获取encode里的值

String temp1 = encodeNode.getTextContent();

//获取decodeNode的值

String temp2 = decodeNode.getTextContent();

StringBuffer buffer = new StringBuffer();

//接下来是将temp1和temp2进行切割解码合并在一起

String [] arrayTemp1 = temp1.split("/");

for(int i=0;i<arrayTemp1.length-1;i++) {

buffer.append(arrayTemp1[i]+"/");

}

//把解码的地址合在一起

buffer.append(temp2);

url = buffer.toString();

url = url + "##"+ lrcid;

System.out.println("xml:url="+url);

return url;

}

}catch(Exception e) {

e.printStackTrace();

return null;

}

}