我正在尝试弄清楚如何在我的iOS应用中使用新的YouTube API（第3版），但我不知道该怎么做。我做了很多关于它的研究，但我发现的是旧API的所有示例和代码，因此它们无效。现在我明白了，为了使用新的API，您必须在Google Developer Console中创建一个项目（我做到了）...但是他们会将您发送到一个包含一些代码的页面，但我真的不明白如何使用它。 link to google api page我需要知道的是如何从YouTube视频的给定URL中检索一些信息，我需要的信息是“喜欢”的总数和“视图”的总数...使用API 2它非常简单做到了......但现在我真的不知道从哪里开始......有没有人可以用一些例子和一些代码来解释如何实现这个目标？我很确定很多人会从中受益。
您不必使用Google提供的iOS客户端来提出这类请求。
首先，设置您的URL。我将使用此URL作为示例：https://www.youtube.com/watch?v=AKiiekaEHhI
您将要为part参数指定值。从你的问题来看，你似乎想要传递snippet，contentDetails和statistics值（虽然对于喜欢和观点，你真的只需要statistics值）。
然后传入视频的id（在这种情况下为AKiiekaEHhI，您可以添加最多50个以逗号分隔的ID）和您的API密钥。您的网址应如下所示：
https://www.googleapis.com/youtube/v3/videos?part=contentDetails%2C+snippet%2C+statistics&id=AKiiekaEHhI&key={YOUR_API_KEY}
您也可以在API Explorer中执行此操作。
Swift实现：
// Set up your URL
let youtubeApi = "https://www.googleapis.com/youtube/v3/videos?part=contentDetails%2C+snippet%2C+statistics&id=AKiiekaEHhI&key={YOUR_API_KEY}"
let url = NSURL(string: youtubeApi)
// Create your request
let task = NSURLSession.sharedSession().dataTaskWithURL(url!, completionHandler: { (data, response, error) -> Void in
do {
if let jsonResult = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments) as? [String : AnyObject] {
print("Response from YouTube: \(jsonResult)")
}
}
catch {
print("json error: \(error)")
}
})
// Start the request
task.resume()
Objective-C实施：
（这篇文章已经过编辑，以支持NSURLSession。对于使用NSURLConnection的实现，请查看编辑历史记录）
// Set up your URL
NSString *youtubeApi = @"https://www.googleapis.com/youtube/v3/videos?part=contentDetails%2C+snippet%2C+statistics&id=AKiiekaEHhI&key={YOUR_API_KEY}";
NSURL *url = [[NSURL alloc] initWithString:youtubeApi];
// Create your request
NSURLRequest *request = [NSURLRequest requestWithURL:url];
// Send the request asynchronously
[[[NSURLSession sharedSession] dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *connectionError) {
// Callback, parse the data and check for errors
if (data && !connectionError) {
NSError *jsonError;
NSDictionary *jsonResult = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&jsonError];
if (!jsonError) {
NSLog(@"Response from YouTube: %@", jsonResult);
}
}
}] resume];
您的日志将如下所示：
Response from YouTube: {
etag = "\"NO6QTeg0-3ShswIeqLchQ_mzWJs/AAjIATmVK_8ySsAWwEuNfdZdjW4\"";
items = (
{
contentDetails = {
caption = false;
definition = hd;
dimension = 2d;
duration = PT17M30S;
licensedContent = 1;
};
etag = "\"NO6QTeg0-3ShswIeqLchQ_mzWJs/8v8ee5uPZQa1-ucVdjBdAVXzcZk\"";
id = AKiiekaEHhI;
kind = "youtube#video";
snippet = {
categoryId = 20;
channelId = UCkvdZX3SVgfDW8ghtP1L2Ug;
channelTitle = "Swordless Link";
description = "Follow me on Twitter! http://twitter.com/swordlesslink\n\nFollow me on TwitchTV for live video game streaming! http://twitch.tv/swordlesslink";
liveBroadcastContent = none;
localized = {
description = "Follow me on Twitter! http://twitter.com/swordlesslink\n\nFollow me on TwitchTV for live video game streaming! http://twitch.tv/swordlesslink";
title = "The Legend of Zelda: Majora's Mask With Glitches - Part 17: Going Against the Flow";
};
publishedAt = "2015-05-04T10:01:43.000Z";
thumbnails = {
default = {
height = 90;
url = "https://i.ytimg.com/vi/AKiiekaEHhI/default.jpg";
width = 120;
};
high = {
height = 360;
url = "https://i.ytimg.com/vi/AKiiekaEHhI/hqdefault.jpg";
width = 480;
};
medium = {
height = 180;
url = "https://i.ytimg.com/vi/AKiiekaEHhI/mqdefault.jpg";
width = 320;
};
standard = {
height = 480;
url = "https://i.ytimg.com/vi/AKiiekaEHhI/sddefault.jpg";
width = 640;
};
};
title = "The Legend of Zelda: Majora's Mask With Glitches - Part 17: Going Against the Flow";
};
statistics = {
commentCount = 54;
dislikeCount = 3;
favoriteCount = 0;
likeCount = 265;
viewCount = 6356;
};
}
);
kind = "youtube#videoListResponse";
pageInfo = {
resultsPerPage = 1;
totalResults = 1;
};
} with error: nil
items密钥的对象将是您传递给请求的每个视频ID的信息数组。
通过深入了解此响应，您将能够获得所需的信息。例如：
if let items = jsonResult["items"] as? [AnyObject]? {
println(items?[0]["statistics"])
}
将为您提供视频统计数据的字典（您可以在其中获取喜欢的数量和观看次数）。
{
commentCount = 54;
dislikeCount = 3;
favoriteCount = 0;
likeCount = 265;
viewCount = 6356;
}
这种方法可以与直播活动一起使用。
//斯威夫特3
func search() {
let videoType = "video you want to search"
// can use any text
var dataArray = [[String: AnyObject]]()
// store videoid , thumbnial , Title , Description
var apiKey = "_________________"
// create api key from google developer console for youtube
var urlString = "https://www.googleapis.com/youtube/v3/search?part=snippet&q=\(videoType)&type=video&videoSyndicated=true&chart=mostPopular&maxResults=10&safeSearch=strict&order=relevance&order=viewCount&type=video&relevanceLanguage=en®ionCode=GB&key=\(apiKey)"
urlString = urlString.addingPercentEncoding( withAllowedCharacters: .urlQueryAllowed)!
let targetURL = URL(string: urlString)
let config = URLSessionConfiguration.default // Session Configuration
let session = URLSession(configuration: config)
let task = session.dataTask(with: targetURL!) {
data, response, error in
if error != nil {
print(error!.localizedDescription)
var alert = UIAlertView(title: "alert", message: "No data.", delegate: nil, cancelButtonTitle: "OK")
alert.show()
return
}
else {
do {
typealias JSONObject = [String:AnyObject]
let json = try JSONSerialization.jsonObject(with: data!, options: []) as! JSONObject
let items = json["items"] as! Array<JSONObject>
for i in 0 ..< items.count {
let snippetDictionary = items[i]["snippet"] as! JSONObject
print(snippetDictionary)
// Initialize a new dictionary and store the data of interest.
var youVideoDict = JSONObject()
youVideoDict["title"] = snippetDictionary["title"]
youVideoDict["channelTitle"] = snippetDictionary["channelTitle"]
youVideoDict["thumbnail"] = ((snippetDictionary["thumbnails"] as! JSONObject)["high"] as! JSONObject)["url"]
youVideoDict["videoID"] = (items[i]["id"] as! JSONObject)["videoId"]
dataArray.append(youVideoDict)
print(dataArray)
// video like can get by videoID.
}
}
catch {
print("json error: \(error)")
}
}
}
task.resume()
}
它非常简单易用。你可以在javascript中使用它，npmjs中有一个简单的模块：https://www.npmjs.com/package/youtube-api-es6
而且，我在网上找到了它的参考：https://www.gyanblog.com/gyan/44-youtube-api-nodejs-usage-example