# YouTube

使用 [**网页爬虫API**](/products/cn/web-scraper-api.md)，您可以提取并解析各种类型的 **YouTube 数据**。以下是所有受支持的 YouTube 源值概览。

<table><thead><tr><th>来源</th><th width="375.3333333333333">描述</th></tr></thead><tbody><tr><td><code>youtube_search</code></td><td>最多 20 个 <a href="/pages/0a2d6baff8b881f3cfdb0bea69005e7c64f085b4"><strong>搜索结果</strong></a> ，用于您选择的搜索词。</td></tr><tr><td><code>youtube_search_max</code></td><td>最多 700 个 <a href="/pages/0a2d6baff8b881f3cfdb0bea69005e7c64f085b4"><strong>搜索结果</strong></a> ，用于您选择的搜索词。</td></tr><tr><td><code>youtube_video_trainability</code></td><td>有关某个 YouTube 视频是否符合 AI 训练用途的信息。</td></tr><tr><td><code>youtube_download</code></td><td>一个 <a href="/pages/32bac2fd0a157cb0bd16aea2e7444de5e38797cd"><strong>YouTube 视频</strong></a> ，由您选择。</td></tr><tr><td><code>youtube_transcript</code></td><td>该 <a href="/pages/57864e05c10c5d44a60bc077426475ee213f8ec6"><strong>转录内容</strong></a> ，适用于您选择的 YouTube 视频。</td></tr><tr><td><code>youtube_subtitles</code></td><td>该 <a href="/pages/892e70abc3d33c72523135f143301db941cade30"><strong>字幕</strong></a> ，适用于您选择的 YouTube 视频。</td></tr><tr><td><code>youtube_metadata</code></td><td>该 <a href="/pages/b951bbc48a9839f11e6c27482b41d803309f527d"><strong>元数据</strong></a> ，适用于您选择的 YouTube 视频。</td></tr><tr><td><code>youtube_channel</code></td><td>所有 <a href="/pages/45ddc508a8dcb980a2d87879ff4de8d9c02cbefc"><strong>频道数据</strong></a>，包括视频列表</td></tr><tr><td><code>youtube_autocomplete</code></td><td>搜索栏 <a href="/pages/734a41cb7d4ade0b1d25320930e6423b1f41d01c"><strong>自动补全建议</strong></a> ，适用于任何搜索词</td></tr></tbody></table>

## 入门

**创建您的 API 用户凭证**：注册免费试用或在以下位置购买产品： [**Oxylabs 仪表板**](https://dashboard.oxylabs.io/en/registration) 中购买产品，以创建您的 API 用户凭证（`USERNAME` 和 `PASSWORD`).

{% hint style="warning" %}
如果您的账户需要多个 API 用户，请联系我们的 [**客户支持**](mailto:support@oxylabs.io) 或通过我们 24/7 在线聊天支持发送消息。
{% endhint %}

### 请求样本

{% tabs %}
{% tab title="cURL" %}

```bash
curl 'https://realtime.oxylabs.io/v1/queries' \\
--user 'USERNAME:PASSWORD' \\
-H 'Content-Type: application/json' \\
-d '{
        "source": "youtube_search",
        "query": "如何制作一个网站"
    }'
```

{% endtab %}

{% tab title="Python" %}

```python
import requests
from pprint import pprint

# 结构化负载。
payload = {
    'source': 'youtube_search',
    'query': '如何制作一个网站'
}

# 获取响应。
response = requests.request(
    'POST',
    'https://realtime.oxylabs.io/v1/queries',
    auth=('user', 'pass1'),
    json=payload,
)

# 打印带有结果的 JSON 响应。
pprint(response.json())
```

{% endtab %}

{% tab title="Node.js" %}

```javascript
const https = require("https");

const username = "USERNAME";
const password = "PASSWORD";
const body = {
  source: "youtube_search",
  query: "如何制作一个网站"
};
const options = {
  hostname: "realtime.oxylabs.io",
  path: "/v1/queries",
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    Authorization:
      "Basic " + Buffer.from(`${username}:${password}`).toString("base64"),
  },
};
const request = https.request(options, (response) => {
  let data = "";
  response.on("data", (chunk) => {
    data += chunk;
  });
  response.on("end", () => {
    const responseData = JSON.parse(data);
    console.log(JSON.stringify(responseData, null, 2));
  });
});
request.on("error", (error) => {
  console.error("错误：", error);
});
request.write(JSON.stringify(body));
request.end();
```

{% endtab %}

{% tab title="HTTP" %}

```http
https://realtime.oxylabs.io/v1/queries?source=youtube_search&query=如何制作一个网站&access_token=12345abcde
```

{% endtab %}

{% tab title="PHP" %}

```php
<?php

$params = array(
    'source' => 'youtube_search',
    'query' => '如何制作一个网站'
);
   
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://realtime.oxylabs.io/v1/queries");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($params));
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_USERPWD, "USERNAME" . ":" . "PASSWORD");

$headers = array();
$headers[] = "Content-Type: application/json";
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

$result = curl_exec($ch);
echo $result;

if (curl_errno($ch)) {
    echo '错误:' . curl_error($ch);
}

curl_close($ch);
```

{% endtab %}

{% tab title="Golang" %}

```go
package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net/http"
)

func main() {
	const Username = "USERNAME"
	const Password = "PASSWORD"

	// 使用新的 youtube_metadata 查询定义负载。
	payload := map[string]interface{} {
		"source": "youtube_search",
		"query":  "如何制作一个网站
	}

	jsonValue, err := json.Marshal(payload)
	if err != nil {
		fmt.Println("JSON 编组出错：", err)
		return
	}

	client := &http.Client{}
	request, err := http.NewRequest("POST", "https://realtime.oxylabs.io/v1/queries", bytes.NewBuffer(jsonValue))
	if err != nil {
		fmt.Println("创建请求出错：", err)
		return
	}

	request.SetBasicAuth(Username, Password)
	request.Header.Set("Content-Type", "application/json")

	response, err := client.Do(request)
	if err != nil {
		fmt.Println("发送请求出错：", err)
		return
	}
	defer response.Body.Close()

	responseText, err := ioutil.ReadAll(response.Body)
	if err != nil {
		fmt.Println("读取响应出错：", err)
		return
	}

	fmt.Println(string(responseText))
}
```

{% endtab %}

{% tab title="C#" %}

```csharp
using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Net.Http.Json;
using System.Text;
using System.Threading.Tasks;

namespace OxyApi
{
    class Program
    {
        static async Task Main()
        {
            const string Username = "USERNAME";
            const string Password = "PASSWORD";

            var parameters = new
            {
                source = "youtube_search",
                query = "如何制作一个网站",
                context = new[]
                {
                    new { key = "language_code", value = "en" },
                    new { key = "transcript_origin", value = "uploader_provided" }
                }
            };

            var client = new HttpClient();

            Uri baseUri = new Uri("https://realtime.oxylabs.io");
            client.BaseAddress = baseUri;

            var requestMessage = new HttpRequestMessage(HttpMethod.Post, "/v1/queries");
            requestMessage.Content = JsonContent.Create(parameters);

            var authenticationString = $"{Username}:{Password}";
            var base64EncodedAuthenticationString = Convert.ToBase64String(Encoding.UTF8.GetBytes(authenticationString));
            requestMessage.Headers.Add("Authorization", "Basic " + base64EncodedAuthenticationString);

            try
            {
                var response = await client.SendAsync(requestMessage);
                response.EnsureSuccessStatusCode();

                var contents = await response.Content.ReadAsStringAsync();
                Console.WriteLine(contents);
            }
            catch (HttpRequestException e)
            {
                Console.WriteLine($"请求错误：{e.Message}");
            }
        }
    }
}
```

{% endtab %}

{% tab title="Java" %}

```java
package org.example;

import okhttp3.*;
import org.json.JSONArray;
import org.json.JSONObject;
import java.util.concurrent.TimeUnit;

public class Main implements Runnable {
    private static final String AUTHORIZATION_HEADER = "Authorization";
    public static final String USERNAME = "USERNAME";
    public static final String PASSWORD = "PASSWORD";

    public void run() {
        // 为 youtube_metadata 请求构造 JSON 负载
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("source", "youtube_search");
        jsonObject.put("query", "如何制作一个网站");

        JSONArray contextArray = new JSONArray();
        contextArray.put(new JSONObject().put("key", "language_code").put("value", "en"));
        contextArray.put(new JSONObject().put("key", "transcript_origin").put("value", "uploader_provided"));

        jsonObject.put("context", contextArray);

        Authenticator authenticator = (route, response) -> {
            String credential = Credentials.basic(USERNAME, PASSWORD);
            return response
                    .request()
                    .newBuilder()
                    .header(AUTHORIZATION_HEADER, credential)
                    .build();
        };

        var client = new OkHttpClient.Builder()
                .authenticator(authenticator)
                .readTimeout(180, TimeUnit.SECONDS)
                .build();

        var mediaType = MediaType.parse("application/json; charset=utf-8");
        var body = RequestBody.create(jsonObject.toString(), mediaType);
        var request = new Request.Builder()
                .url("https://realtime.oxylabs.io/v1/queries")
                .post(body)
                .build();

        try (var response = client.newCall(request).execute()) {
            if (response.body() != null) {
                try (var responseBody = response.body()) {
                    System.out.println(responseBody.string());
                }
            }
        } catch (Exception exception) {
            System.out.println("错误： " + exception.getMessage());
        }

        System.exit(0);
    }

    public static void main(String[] args) {
        new Thread(new Main()).start();
    }
}
```

{% endtab %}

{% tab title="JSON" %}

```json
{
    "source": "youtube_search",
    "query": "如何制作一个网站"
}
```

{% endtab %}
{% endtabs %}

我们在示例中使用同步 [**Realtime**](/products/cn/web-scraper-api/integration-methods/realtime.md) 集成方法。如果您想使用 [**Push-Pull**](/products/cn/web-scraper-api/integration-methods/push-pull.md) 集成，请参阅 [**集成方法**](/products/cn/web-scraper-api/integration-methods.md) 部分。

{% file src="/files/3d27f0045af5760344065d0748e2363d263f9a57" %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://developers.oxylabs.io/api-targets/cn/shi-pin-yu-she-jiao-mei-ti/youtube.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.