抓取网易公开课地址的批处理

 

 

 需求:最近在看网易的公开课 , 写个工具 , 用迅雷批量下载后批量重命名

步骤:1 取到公开课视频的地址列表 2 按规则重命名

 

package net;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;


public class OpenVideoBatch {
	
	public static void main(String[] args) throws Throwable {
		URL url = new URL("http://download.v.163.com/dl/open/00DL0QDR0QDS0QHR.html");
		InputStream in = url.openStream();
		BufferedReader br = new BufferedReader(new InputStreamReader(in,"gb2312"));
		String str = getStringFromReader(br);
		String urlReg = "(?<=a title='点击下载' href=')(.*?)(?=' onclick='.*?'>"+"\""+"\\+\"标准)";
		String nameReg = "(?<=obj = \"<h3><span class='k1'>\"\\+\").*?(?=\")";
		Pattern urlPattern  = Pattern.compile(urlReg);
		Pattern namePattern  = Pattern.compile(nameReg);
		Matcher urlMatcher = urlPattern.matcher(str);
		Matcher nameMatcher = namePattern.matcher(str);
		
		List<String> urlList = new ArrayList<String>();
		List<String> nameList = new ArrayList<String>();
		
		while(urlMatcher.find()&&nameMatcher.find()){
			urlList.add(urlMatcher.group());
			nameList.add(nameMatcher.group());
		}
		
		for (int j = 0; j < urlList.size(); j++) {
			String fileName = nameList.get(j),urlName=urlList.get(j);
//			System.out.println(nameList.get(j)+" : "+urlList.get(j));
			System.out.println(urlName); // 生成下载地址列表
			videoRename(urlName,fileName);//将文件移动到新目录
		}
	}
	
	static String getStringFromReader(BufferedReader reader) throws IOException{
		StringBuilder sb = new StringBuilder();
		String str  = reader.readLine();
		while(str!=null){
			sb.append(str).append("\n");
			str = reader.readLine();
		}
		return sb.toString();
	}
	
	static void videoRename(String name , String newName) throws IOException{
		name=name.substring(name.lastIndexOf("/")+1);
		String path = "F:\\360Downloads\\New folder\\";
		String newPath = path+"openVideo\\哈佛大学_幸福课\\";
		File file = new File(path+name);
		File file1 = new File(newPath);
		if(!file1.exists()){
			file1.mkdirs();
		}
		System.out.println(file.exists());
		if(file.exists()){
			boolean b = file.renameTo(new File(newPath+newName.replaceAll("\\?", "")+".mp4"));
			System.out.println(b);
		}		
	}

}