2020-09-09(java批量解压缩zip（创建子文件夹）)

package zip;

import org.apache.tools.zip.ZipEntry;

import org.apache.tools.zip.ZipFile;

import java.io.*;

import java.util.Enumeration;

public class UnzipUntil {

public static void main(String[] args) throws IOException {
    /**
     * 解压文件
     */
    File zipFile = new File("C:\\Users\\Administrator\\Desktop\\test\\2222");
    is_or_not_a_Dic(zipFile);

}

private static void is_or_not_a_Dic(File zipFile) {
    String aimpath = null;
    if (zipFile.isDirectory()) {
        File[] listFiles = zipFile.listFiles();
        for (int i = 0; i < listFiles.length; i++) {


            //循环遍历    ：如果listFiles[i]是目录，则判断目录中是否有压缩包，若有，则解压到相应的位置
            if (listFiles[i].isDirectory()) {
                is_or_not_a_Dic(listFiles[i]);
            }

            //如果listFiles[i]是文件，确实自拍压缩包，则解压
            if (listFiles[i].toString().endsWith(".zip")) {
                try {
                    aimpath = listFiles[i].getAbsolutePath().replaceAll(".zip", "");   //解压文件的父目录
                    unZipFiles(listFiles[i], aimpath);
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }    //listFiles[i]：需要解压的压缩包   aimpath：解压的的目录（同级目录）
            }
        }
    } else {

        if (zipFile.toString().endsWith(".zip")) {

            aimpath = zipFile.getAbsolutePath().replaceAll(".zip", ""); //解压文件的父目录
            try {
                unZipFiles(zipFile, aimpath);   //listFiles[i]：需要解压的压缩包   aimpath：解压的的目录（同级目录）
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}

/**
 * 解压到指定目录
 *
 * @param zipPath
 * @param descDir
 */
public static void unZipFiles(String zipPath, String descDir) throws IOException {
    unZipFiles(new File(zipPath), descDir);
}

/**
 * 解压文件到指定目录
 *
 * @param zipFile
 * @param descDir
 */
@SuppressWarnings("rawtypes")
public static void unZipFiles(File zipFile, String descDir) throws IOException {

    //创建目录文件
    File pathFile = new File(descDir);
    if (!pathFile.exists()) {
        pathFile.mkdirs();
    }

    @SuppressWarnings("resource")
    ZipFile zip = new ZipFile(zipFile);

    for (Enumeration entries = zip.getEntries(); entries.hasMoreElements(); ) {
        ZipEntry entry = (ZipEntry) entries.nextElement();
        String zipEntryName = entry.getName();
        InputStream in = zip.getInputStream(entry);
        String outPath = (descDir + "/" + zipEntryName).replaceAll("\\*", "/");
        //判断路径是否存在,不存在则创建文件路径
        File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
        if (!file.exists()) {
            file.mkdirs();
        }
        //判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
        if (new File(outPath).isDirectory()) {
            continue;
        }
        //输出文件路径信息
        System.out.println(outPath);

        OutputStream out = new FileOutputStream(outPath);
        byte[] buf1 = new byte[1024];
        int len;
        while ((len = in.read(buf1)) > 0) {
            out.write(buf1, 0, len);
        }

        in.close();
        out.close();
    }
    System.out.println("******************解压完毕********************");
}
           

}

pom依赖

<dependency>
        <groupId>org.apache.ant</groupId>
        <artifactId>ant</artifactId>
        <version>1.10.8</version>
    </dependency>

    <dependency>
        <groupId>net.sourceforge.jexcelapi</groupId>
        <artifactId>jxl</artifactId>
        <version>2.6.12</version>
    </dependency>