java将指定文件夹打成zip包。支持文件夹里面嵌套文件夹

引入依赖

<dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-compress</artifactId>
    <version>1.21</version> <!-- 使用适当的版本号 -->
</dependency>

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipUtils {

    private static Logger LOG = LoggerFactory.getLogger(ZipUtils.class);

    public static void main(String[] args) {
        String sourceFolderPath = "C:/aa"; // 输入文件夹路径
        String zipFilePath = "D:/aa.zip"; // 输出的zip文件路径
        zipFolderContents(sourceFolderPath, zipFilePath);

        List<String> list = new ArrayList<>();
        list.add("C:/aa/a01");
        list.add("C:/aa/test.txt");
//        zipFolderContents(list, zipFilePath);
        System.out.println("Zip created successfully.");

    }

    /**
     * 将指定的文件目录打成zip包
     * @param sourceFolderPath
     * @param zipFilePath
     * @throws IOException
     */
    public static boolean zipFolderContents(String sourceFolderPath, String zipFilePath) {
        try {
            FileOutputStream fos = new FileOutputStream(zipFilePath);
            ZipOutputStream zos = new ZipOutputStream(fos);

            File sourceFolder = new File(sourceFolderPath);
            compressFolderContents(sourceFolder, zos, "");

            zos.close();
            fos.close();
            return true;
        }catch (IOException e){
            LOG.error(e.getMessage());
        }
        return false;
    }

    /**
     * 数组里面可以是文件夹或文件的路径
     * @param sourceFolderPaths
     * @param zipFilePath
     * @return
     */
    public static boolean zipFolderContents(List<String> sourceFolderPaths, String zipFilePath) {
        try {
            FileOutputStream fos = new FileOutputStream(zipFilePath);
            ZipOutputStream zos = new ZipOutputStream(fos);
            for (String sourceFolderPath : sourceFolderPaths) {

                File sourceFolder = new File(sourceFolderPath);
                if(sourceFolder.isDirectory()){
                    compressFolderContents(sourceFolder, zos, sourceFolder.getName());
                }else {
                    compressFolderContents(sourceFolder, zos, "");
                }

            }
            zos.close();
            fos.close();
            return true;
        }catch (IOException e){
            LOG.error(e.getMessage());
        }
        return false;
    }

    private static void compressFolderContents(File folder, ZipOutputStream zos, String parentFolderName) throws IOException {
        if(!folder.isDirectory()){
            byte[] buffer = new byte[1024];
            // 如果是文件，则将其压缩到zip包中
            FileInputStream fis = new FileInputStream(folder);
            zos.putNextEntry(new ZipEntry(parentFolderName + "/" + folder.getName()));

            int length;
            while ((length = fis.read(buffer)) > 0) {
                zos.write(buffer, 0, length);
            }

            zos.closeEntry();
            fis.close();
        }else {
            File[] files = folder.listFiles();
            byte[] buffer = new byte[1024];
            for (File file : files) {
                if (file.isDirectory()) {
                    // 如果是文件夹，则递归压缩其内容，注意更新父文件夹名称
                    String subFolderName = parentFolderName + "/" + file.getName() + "/";
                    compressFolderContents(file, zos, subFolderName);
                } else {
                    // 如果是文件，则将其压缩到zip包中
                    FileInputStream fis = new FileInputStream(file);
                    zos.putNextEntry(new ZipEntry(parentFolderName + "/" + file.getName()));

                    int length;
                    while ((length = fis.read(buffer)) > 0) {
                        zos.write(buffer, 0, length);
                    }

                    zos.closeEntry();
                    fis.close();
                }
            }
        }

    }
}