抖音无水印下载Java源码

闲来无聊，昨晚看到一可爱的小妹妹，想下载无水印版本做屏保，作为程序猿小(bu)哥(yao)哥(lian)自然不满意，动手解析了一波无水印高清视频

pom.xml

<dependency>
	<groupId>org.apache.httpcomponents</groupId>
	<artifactId>httpclient</artifactId>
	<version>4.5.2</version>
</dependency>

HttpClientUtil

package cn.studyjava.douyin.util;

import java.io.IOException;
import java.net.URI;
import java.util.Map;

import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class HttpClientUtil {
	public static String doGet(String url, Map<String, String> param) {

		// 创建Httpclient对象
		CloseableHttpClient httpclient = HttpClients.createDefault();

		String resultString = "";
		CloseableHttpResponse response = null;
		try {
			// 创建uri
			URIBuilder builder = new URIBuilder(url);
			if (param != null) {
				for (String key : param.keySet()) {
					builder.addParameter(key, param.get(key));
				}
			}
			URI uri = builder.build();

			// 创建http GET请求
			HttpGet httpGet = new HttpGet(uri);

			// 設置httpGet的头部參數信息 此处必不可少，伪装成浏览器访问
			httpGet.setHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
			httpGet.setHeader("Accept-Charset", "GB2312,utf-8;q=0.7,*;q=0.7");
			httpGet.setHeader("Accept-Encoding", "gzip, deflate, sdch, br");
			httpGet.setHeader("Accept-Language", "zh-cn,zh;q=0.8");
			httpGet.setHeader("User-Agent",
					"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36");

			// 执行请求
			response = httpclient.execute(httpGet);
			// 判断返回状态是否为200
			if (response.getStatusLine().getStatusCode() == 200) {
				resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (response != null) {
					response.close();
				}
				httpclient.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return resultString;
	}

	public static String doGet(String url) {
		return doGet(url, null);
	}
}

解析url

package cn.studyjava.douyin;

import cn.studyjava.douyin.util.HttpClientUtil;

/**
 * Hello world!
 *
 */
public class App {
	
	private static final String BASE_URL = "https://aweme.snssdk.com/aweme/v1/play/?video_id=%s";
	
	public static void main(String[] args) {
		
		String shareUrl = "https://www.iesdouyin.com/share/video/6557991042631601422/?region=CN&mid=6557991125620099853&titleType=title&timestamp=1526913323&utm_campaign=client_share&app=aweme&utm_medium=ios&iid=29367218325&utm_source=copy";
		String douyin = douyin(shareUrl);
		System.out.println(douyin);
	}
	
	private static String douyin(String url){
		try {
			String html = HttpClientUtil.doGet(url);
			int len = html.indexOf("video_id");
			String end = html.substring(len);
			int indexOf = end.indexOf("\",");
			String videoId = end.substring(9, indexOf);
			videoId = videoId.replace("\\u0026", "&");
			return String.format(BASE_URL, videoId);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}
	
}

大功告成了，这样就能下载 高清无码的美女视频了。