epub文件解压

<dependency>
    <groupId>com.positiondev.epublib</groupId>
    <artifactId>epublib-core</artifactId>
    <version>3.1</version>
</dependency>
<!--html解析 -->
<dependency>
    <groupId>org.jsoup</groupId>
    <artifactId>jsoup</artifactId>
    <version>1.12.1</version>
</dependency>

===================================
package com.example.demo.ebook;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;
import java.util.List;

import nl.siegmann.epublib.domain.Book;
import nl.siegmann.epublib.domain.MediaType;
import nl.siegmann.epublib.domain.Metadata;
import nl.siegmann.epublib.domain.Resource;
import nl.siegmann.epublib.domain.Resources;
import nl.siegmann.epublib.domain.Spine;
import nl.siegmann.epublib.domain.SpineReference;
import nl.siegmann.epublib.domain.TOCReference;
import nl.siegmann.epublib.domain.TableOfContents;
import nl.siegmann.epublib.epub.EpubReader;

public class EbookMain {
    public static void main(String[] args) {

        File file = new File("/Users/xiejianwu/Desktop/ebook/ebook.epub");
        InputStream in = null;
        try {
            //从输入流当中读取epub格式文件
            EpubReader reader = new EpubReader();
            in = new FileInputStream(file);
            Book book = reader.readEpub(in);

            book.getTableOfContents()

            book.getContents();

            //获取到书本的头部信息
            Metadata metadata = book.getMetadata();
            System.out.println("FirstTitle为："+metadata.getFirstTitle());
            //获取到书本的全部资源
            Resources resources = book.getResources();
            System.out.println("所有资源数量为："+resources.size());
            //获取所有的资源数据
            Collection<String> allHrefs = resources.getAllHrefs();
            for (String href : allHrefs) {
                Resource resource = resources.getByHref(href);
                //data就是资源的内容数据，可能是css,html,图片等等
                byte[] data = resource.getData();
                // 获取到内容的类型  css,html,还是图片
                MediaType mediaType = resource.getMediaType();

                String title = resource.getTitle();






            }
            //获取到书本的内容资源
            List<Resource> contents = book.getContents();
            System.out.println("内容资源数量为："+contents.size());
            //获取到书本的spine资源 线性排序
            Spine spine = book.getSpine();
            System.out.println("spine资源数量为："+spine.size());
            //通过spine获取所有的数据
            List<SpineReference> spineReferences = spine.getSpineReferences();
            for (SpineReference spineReference : spineReferences) {
                Resource resource = spineReference.getResource();
                //data就是资源的内容数据，可能是css,html,图片等等
                byte[] data = resource.getData();
                // 获取到内容的类型  css,html,还是图片
                MediaType mediaType = resource.getMediaType();

                System.out.println("mediaType1 = "+mediaType+"--"+resource.getTitle()+"--"+resource.getId());


                FileOutputStream output = new FileOutputStream(new File("/Users/xiejianwu/Desktop/ebook/test/"+resource.getId()));

                BufferedOutputStream bufferedOutput = new BufferedOutputStream(output);

                InputStream input = resource.getInputStream();


                try {
                    // 读数据
                    int len = 0;
                    byte[] bytes = new byte[1024];
                    while ((len=input.read(bytes))!=-1){
                        // 写数据
                        bufferedOutput.write(bytes,0,len);
                    }
                }finally {
                    bufferedOutput.close();
                    input.close();
                }


            }
            //获取到书本的目录资源
            TableOfContents tableOfContents = book.getTableOfContents();
            System.out.println("目录资源数量为："+tableOfContents.size());
            //获取到目录对应的资源数据
            List<TOCReference> tocReferences = tableOfContents.getTocReferences();
            for (TOCReference tocReference : tocReferences) {
                Resource resource = tocReference.getResource();
                //data就是资源的内容数据，可能是css,html,图片等等
                byte[] data = resource.getData();
                // 获取到内容的类型  css,html,还是图片
                MediaType mediaType = resource.getMediaType();
                if(tocReference.getChildren().size()>0){
                    //获取子目录的内容
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            //一定要关闭资源
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }



    public static void wordCopy(File file){
        FileInputStream fis = null;
        FileOutputStream fos = null;

        // 准备好复制过来的文件的新名字
        String[] names = file.getPath().split("\\.");
        String name = names[0]+"Copy."+names[1]; // 重命名
        try {
            // 文件字节输出、输出流对象
            fis = new FileInputStream(file);
            fos = new FileOutputStream(name);
            // 读数据
            int len = 0;
            byte[] bytes = new byte[1024];
            while ((len=fis.read(bytes))!=-1){
                // 写数据
                fos.write(bytes,0,len);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                // 释放资源
                fis.close();
                fos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }

        }



    }



}