1.最近有個朋友找我需要下載抖音文件,我研究了下,首先想到用的是用jsoup這個組件進行下載。
2.項目中一般都是用maven開發的 ,首先要引入jsoup的gav,還用到了commons-io組件。
<dependency>
<groupId>org.jsoup</groupId>
<artifactId>jsoup</artifactId>
<version>1.11.2</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>
3.代碼乾貨:
package com.vhd;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.jsoup.Connection.Response;
import org.jsoup.Jsoup;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DouYinUtil1 {
private final static Logger log = LoggerFactory
.getLogger(DouYinUtil.class);
public static void getDouYinUrl(String douyinUrl,String fileName){
try {
String content = Jsoup.connect(douyinUrl).ignoreContentType(true).timeout(10000).execute().body();
String downUrl = StringUtils.substringBetween(content, "playAddr: \"", "\",");
if(StringUtils.isEmpty(downUrl)){
return;
}
Response document = Jsoup.connect(downUrl).timeout(10000).execute();
BufferedInputStream stream = document.bodyStream();
File file = new File(fileName);
FileUtils.copyInputStreamToFile(stream, file);
} catch (IOException e) {
e.printStackTrace();
log.error("douyinUrl:{},error:{}",douyinUrl,e);
}
}
}
比如爬去這個鏈接下的視頻,並把他下載到本地:
結果下載之後只有1M的大小.就研究了下jsouip這個組件,測試只有下載1M的文件:
String url = "https://aweme.snssdk.com/aweme/v1/playwm/?video_id=v0300fd30000bi2c7ipdja5i7hebu8d0&line=0";
System.out.println(Jsoup.connect(url).request().maxBodySize());
然後查看API文檔:
https://jsoup.org/apidocs/org/jsoup/Connection.html
Connection |
maxBodySize(int bytes) |
Set the maximum bytes to read from the (uncompressed) connection into the body, before the connection is closed, and the input truncated. |
---|
可以設置下載文件的大下.
然後在上面代碼基礎增加 了.maxBodySize(3000000)這個方法就可以限制1M大小的問題了。
package com.vhd;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.jsoup.Connection.Response;
import org.jsoup.Jsoup;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DouYinUtil {
private final static Logger log = LoggerFactory
.getLogger(DouYinUtil.class);
public static void getDouYinUrl(String douyinUrl,String fileName){
try {
String content = Jsoup.connect(douyinUrl).ignoreContentType(true).timeout(10000).execute().body();
String downUrl = StringUtils.substringBetween(content, "playAddr: \"", "\",");
if(StringUtils.isEmpty(downUrl)){
return;
}
Response document = Jsoup.connect(downUrl).maxBodySize(30000000).timeout(10000).execute();
BufferedInputStream stream = document.bodyStream();
File file = new File(fileName);
FileUtils.copyInputStreamToFile(stream, file);
//此方法建議可以使用下面copy大文件的方法性能會更好些
//IOUtils.copyLarge(stream, new FileOutputStream("D:\\123.mp4"));
} catch (IOException e) {
e.printStackTrace();
log.error("douyinUrl:{},error:{}",douyinUrl,e);
}
}
public static void main(String[] args) {
String url = "https://aweme.snssdk.com/aweme/v1/playwm/?video_id=v0300fd30000bi2c7ipdja5i7hebu8d0&line=0";
System.out.println(Jsoup.connect(url).request().maxBodySize());
}
}
以上幫朋友解決了下載抖音大文件的問題,也可以做成批量下載抖音,有興趣可以嘗試一下!
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