版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/qq_34195441/article/details/86170577
爬个视频/图片等(一般简单公开而已,特别加密就不行了,哎那有什么用呢> _ <):
找到视频页面,右键审查元素,1)html中<image>中url、<video>中视频 or
2)network->XHR->?rs找视频路径
3)爬到之后下到本地
package com.hpu.download;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
/**
* url统一资源定位符
* 内存输入输出流
* @author Administrator
*
*/
public class TestDownload {
public static void main(String[] args) {
//爬到小猪佩奇了啊哈
String urlPath="https://v11-tt.ixigua.com/d2055bdf5afc8a6f0b1c5e19e0bba72e/5c35d633/video/m/2206dd44c37f3c446f0b87ff87167e3b1f71161354b2000033b8959e4c1b/?rc=MztoOzt1Z291ajMzZTczM0ApQHRAbzUzNjU6MzQzMzczNDMzNDVvQGgzdSlAZjN1KWRzcmd5a3VyZ3lybHh3Zjc2QDBkbzIzL2Fkal8tLTUtL3NzLW8jbyM2NS0vLzEtLjMzNTYuNi06I28jOmEtcSM6YHZpXGJmK2BeYmYrXnFsOiMzLl4%3D&vfrom=xgplayer";
//本地存放视频
String targetPath="小猪佩奇.mp4";
//将网络资源转换为字节数组,存在内存中
byte [] data=formNetworkDownloadSource(urlPath);
//将字节数组生成本地对应的文件
save(data,targetPath);
}
//连接网络并将视频内容转换为字节数组
private static byte[] formNetworkDownloadSource(String urlPath) {
try {
//将视频路径转换为url对象
URL url=new URL(urlPath);
//获取内存输出流
ByteArrayOutputStream byteOut=new ByteArrayOutputStream();
//通过url对象获取输入流读取网络资源
InputStream input=url.openStream();
//缓冲区
byte [] buffer=new byte[1024];
int length=0;
while((length=input.read(buffer))!=-1){
byteOut.write( buffer,0, length);
}
return byteOut.toByteArray();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
//本地生成视频文件
private static void save(byte[] data, String targetPath) {
FileOutputStream outputStream=null;
try {
outputStream = new FileOutputStream(targetPath);
outputStream.write(data);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{
if(outputStream!=null){
try {
outputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}