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获得百度音乐盒音乐的下载地址 [复制链接]

三里屯摇滚

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发表于 2012-03-12 22:33 |只看该作者 |倒序浏览

获得百度音乐盒音乐的下载地址

iphonebaidumusicbox.

Object-c代码

1.//
2.// BaiduMusicBoxParser.h
3.//
4.// Created by scott.8an@gmail.com on 12-3-11.
5.// Copyright (c) 2012年. All rights reserved.
6.//
7.
8.#import <Foundation/Foundation.h>
9.#import "ASIHTTPRequest.h"
10.#import "ASINetworkQueue.h"
11.#import "TFHpple.h"
12.#import "XPathQuery.h"
13.#import "TFHppleElement.h"
14.
15.@interface BaiduMusicBoxParser : NSObject
16.
17.+ (BaiduMusicBoxParser*)shareInstance;
18.
19./**
20. 返回的数组结构:
21. [
22. {
23. album = "\U672a\U6765\U5c5e\U4e8e\U5b69\U5b50 \U4e2d\U5916\U540d\U66f2\U7cbe\U9009";
24. artist = "\U6768\U9e3f\U5e74";
25. "download_url" = "http://mp3.baidu.com/j?j=2&url=http%3A%2F%2Fzhangmenshiting.baidu.com%2Fdata2%2Fmusic%2F9405342%2F9405342.mp3%3Fxcode%3Dfdaccf3ade1f2d967110c329ab53b046";
26. quality = "MP3(3.9M)";
27. "song_name" = "we are the world";
28. },...
29. ]
30. **/
31.- (NSArray*)baiduSongsInfoBySearchingSongName:(NSString *)name pageNumber:(int)pgNO;
32.
33.//获取歌词
34.- (NSString*)lyricsWithSong:(NSString*)sName;
35.
36.//获取百度歌手列表,从大写字母A~Z，其他为0
37./**
38. [
39. "A"=[
40. AOK,
41. Alizee,...
42. ],
43. "B"={
44. BOBO,
45. 白雪,...
46. },...
47. ]
48. **/
49.- (NSArray*)allArtistsListOfBaiduMp3;
50.- (NSArray*)artistsListOfBaiduMp3ByFilterCharacter:(NSString*)character;
51.
52.@end

复制代码

Object-c代码

1.//
2.// BaiduMusicBoxParser.m
3.//
4.// Created by scott.8an@gmail.com on 12-3-11.
5.// Copyright (c) 2012年. All rights reserved.
6.//
7.
8.#import "BaiduMusicBoxParser.h"
9.#import "GDataXMLNode.h"
10.
11.static BaiduMusicBoxParser *parser_ = nil;
12.
13.@interface BaiduMusicBoxParser (Private)
14./**
15. 返回的数组结构:
16. [
17. "http://box.zhangmen.baidu.com/m?word=mp3,,,[love+of+my+life]&gate=1&ct=134217728&tn=baidumt,love+of+my+life&si=love+of+my+life;;keith%20martin;;0;;0&lm=-1&attr=0,0&rf=zb&size=1992294",
18. ...
19. ]
20.
21. sName:歌曲名称
22. pgNo:页数。默认为0.
23. **/
24.- (NSArray*)jumpToURLBySongName:(NSString*)sName pageNumber:(int)pgNo;
25.@end
26.
27.@implementation BaiduMusicBoxParser
28.
29.- (void)dealloc{
30. [super dealloc];
31.}
32.
33.+ (BaiduMusicBoxParser*)shareInstance{
34. if (!parser_) {
35. parser_ = [[self alloc] init];
36. }
37. return parser_;
38.}
39.
40.- (id)init{
41. if ([super init]) {
42.
43. }
44. return self;
45.}
46.
47.- (NSArray*)jumpToURLBySongName:(NSString*)sName pageNumber:(int)pgNo{
48. if(sName==nil || [sName length]==0)return nil;
49. if (pgNo<0) {
50. return nil;
51. }
52.
53. //去除两端的空格
54. [sName stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
55.
56. //把歌曲拼凑成格式如：love+of+my+life 的形式
57. NSArray *nameArr = [sName componentsSeparatedByString:@" "];
58. NSMutableString *newName = [NSMutableString stringWithCapacity:0];
59. if (nameArr && [nameArr count]) {
60. for (NSString *s in nameArr) {
61. [newName appendFormat:@"%@+",s];
62. }
63. //去掉最后一个 '+'号
64. if ([newName length]) {
65. [newName deleteCharactersInRange:NSMakeRange([newName length]-1, 1)];
66. }
67. }
68. //用户输入的是整个字符串，没有空格
69. if (nameArr && [nameArr count]==1) {
70. [newName appendString:[nameArr objectAtIndex:0]];
71. }
72.
73. //组合地址并编码
74. NSString *requestURL = [NSString stringWithFormat:@"http://mp3.baidu.com/m?word=%@&lm=-1&f=ms&tn=baidump3&ct=134217728&lf=&rn=&pn=%i",newName,pgNo*30];
75. NSString *requestURLWithEnc = [requestURL stringByAddingPercentEscapesUsingEncoding:CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000)];
76. //NSLog(@"===%@",requestURLWithEnc);
77.
78. //发送请求，获得返回数据
79. ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:requestURLWithEnc]];
80. [request startSynchronous];
81.
82. if ([request error]) {
83. return nil;
84. }
85.
86. //接收返回数据
87. //获取id = "songResults"的节点
88. TFHpple *helper = [TFHpple hppleWithHTMLData:[request responseData]];
89. NSString *xPathDescription = @"//*[@id=\"songResults\"]";
90. TFHppleElement *divElement = [helper peekAtSearchWithXPathQuery:xPathDescription];
91. NSArray *children = divElement.children;
92.
93. //return
94. NSMutableArray *jumpToPageURLArray = [NSMutableArray arrayWithCapacity:0];
95.
96. //获得table
97. TFHppleElement *tb = [children objectAtIndex:0];
98. NSArray *tbodyChildren = tb.children;
99. if (tbodyChildren && [tbodyChildren count]) {
100. for (TFHppleElement *trElement in tbodyChildren) {
101. NSArray *tdArr = trElement.children;
102. if (tdArr && [tdArr count]) {
103. for (TFHppleElement *tdNode in tdArr) {
104. //<td class="second">
105. if (tdNode && [[tdNode objectForKey:@"class"] isEqualToString:@"down"]) {
106. NSArray *tdNodeArr = tdNode.children;
107. if (tdNodeArr && [tdNodeArr count]) {
108. TFHppleElement *aNode = tdNode.firstChild;
109.
110. if (aNode) {
111. //获得要跳转的地址
112. NSString *jumpToURL = [aNode objectForKey:@"href"];
113. if ([jumpToURL length]) {
114. [jumpToPageURLArray addObject:jumpToURL];
115. }
116. }
117. }
118. }
119. }
120. }
121. }
122. }
123.
124. //跳转界面地址数组
125. //NSLog(@"共有跳转地址:%i个,它们是:%@",[jumpToPageURLArray count],jumpToPageURLArray);
126. if ([jumpToPageURLArray count]) {
127. return jumpToPageURLArray;
128. }
129. return nil;
130.}
131.
132.- (NSArray*)baiduSongsInfoBySearchingSongName:(NSString *)name pageNumber:(int)pgNO{
133. if(name==nil || [name length]==0)return nil;
134. if (pgNO<0) return nil;
135.
136. NSArray *jumpToURLArr = [self jumpToURLBySongName:name pageNumber:pgNO];
137.
138. //获得跳转地址的数组
139. NSMutableArray *musicInfoArr = [NSMutableArray arrayWithCapacity:0];
140. if (jumpToURLArr && [jumpToURLArr count]) {
141. for (NSString *urlStr in jumpToURLArr) {
142. ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:urlStr]];
143. [request startSynchronous];
144.
145. //获得返回数据
146. NSData *responseData = [request responseData];
147. if (responseData) {
148. TFHpple *helper = [TFHpple hppleWithHTMLData:responseData];
149. if (helper) {
150. //获得歌曲的下载地址
151. NSString *xPath = @"//*[@id='downlink']";
152. TFHppleElement *downloadLinkNode = [helper peekAtSearchWithXPathQuery:xPath];
153. NSString *musicDownloadURI = [downloadLinkNode objectForKey:@"href"];
154. NSString *musicDownloadURL = [NSString stringWithFormat:@"http://mp3.baidu.com%@",musicDownloadURI];
155. //NSLog(@"======下载地址是：%@",musicDownloadURL);
156.
157. if (musicDownloadURI && [musicDownloadURI length]) {
158. //获得歌手名字
159. /**<div class="songinfo-more">
160. <span class="singer gray">歌手：
161. <a href="http://mp3.baidu.com/singerlist/back ii back.html" target="_blank">back ii back</a>
162. </span>
163. <span class="album gray">所属专辑：
164. 《<a href="http://mp3.baidu.com/albumlist/back ii back;;;;;;back ii back.html" target="_blank">back ii back</a>
165. 》</span>
166. </div>
167. **/
168. NSString *aritistNameXpath = @"//*[@class='songinfo-more']";
169. TFHppleElement *aritistNameNode = [helper peekAtSearchWithXPathQuery:aritistNameXpath];
170. TFHppleElement *spanNode = aritistNameNode.firstChild;
171. TFHppleElement *aNode = spanNode.firstChild;
172. NSString *artistName = aNode.content;
173. //NSLog(@"*************歌手:%@",artistName);
174.
175. //获得专辑名字
176. TFHppleElement *albumNode = [aritistNameNode.children objectAtIndex:1];
177. TFHppleElement *AaNode = albumNode.firstChild;
178. NSString *albumName = AaNode.content;
179. //NSLog(@"*************专辑:%@",albumName);
180.
181. //获得歌曲的品质
182. /**
183. <div class="format gray">品质：<b>MP3(4.0M)</b></div>
184. **/
185. NSString *qulityXpath = @"//*[@class='format gray']";
186. TFHppleElement *qulityNode = [helper peekAtSearchWithXPathQuery:qulityXpath];
187. TFHppleElement *bNode = qulityNode.firstChild;
188. NSString *qulityDescription = bNode.content;
189. //NSLog(@"*************品质:%@",qulityDescription);
190.
191. if (musicDownloadURI && [musicDownloadURI length]) {
192. NSMutableDictionary *dic = [NSMutableDictionary dictionaryWithCapacity:0];
193. [dic setObject:musicDownloadURL forKey:@"download_url"];
194. [dic setObject:name forKey:@"song_name"];
195. [dic setObject:artistName?artistName:[NSNull null] forKey:@"artist"];
196. [dic setObject:albumName?albumName:[NSNull null] forKey:@"album"];
197. [dic setObject:qulityDescription?qulityDescription:[NSNull null] forKey:@"quality"];
198.
199. if ([dic count]) {
200. [musicInfoArr addObject:dic];
201. }
202. }
203. }
204. }
205. }
206. }
207. }
208.
209. //NSLog(@"歌曲信息数组-------------%@",musicInfoArr);
210. if ([musicInfoArr count]) {
211. return musicInfoArr;
212. }
213. return nil;
214.}
215.
216.- (NSString*)lyricsWithSong:(NSString*)sName {
217. return nil;
218.}
219.
220.- (NSArray*)allArtistsListOfBaiduMp3{
221. return nil;
222.}
223.- (NSArray*)artistsListOfBaiduMp3ByFilterCharacter:(NSString*)character{
224. return nil;
225.}
226.
227.@end

复制代码

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发表于 2012-03-12 22:34 |只看该作者

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