jsowell-charger-web/jsowell-common/src/main/java/com/jsowell/common/util/ZipUtil.java

package com.jsowell.common.util;

import com.google.common.collect.Lists;
import org.apache.commons.collections4.CollectionUtils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZipUtil {
    public static File createZipFileFromImages(List<String> imageUrls) {
        if (CollectionUtils.isEmpty(imageUrls)) {
            return null;
        }
        File zipFile = new File("images.zip");
        try (FileOutputStream fos = new FileOutputStream(zipFile); ZipOutputStream zos = new ZipOutputStream(fos)) {
            for (int i = 0; i < imageUrls.size(); i++) {
                String imageUrl = imageUrls.get(i);
                URL url = new URL(imageUrl);
                InputStream is = url.openStream();
                ZipEntry zipEntry = new ZipEntry("image" + i + ".jpg");
                zos.putNextEntry(zipEntry);

                byte[] buffer = new byte[1024];
                int bytesRead;
                while ((bytesRead = is.read(buffer)) != -1) {
                    zos.write(buffer, 0, bytesRead);
                }

                is.close();
                zos.closeEntry();
            }
        } catch (IOException ignored) {

        }
        return zipFile;
    }

    public static void main(String[] args) {
        List<String> list = Lists.newArrayList();
        list.add("https://img.jsowellcloud.com/img/2023/06/09/tmp_063ba486f06c7fbf7b7dad64ad06672a_20230609090728A002.jpg");
        list.add("https://img.jsowellcloud.com/img/2023/06/09/tmp_37828a90cc20d4b7fcbc6f62e1d2c729_20230609090658A001.jpg");

        File zipFileFromImages = ZipUtil.createZipFileFromImages(list);
        System.out.println(zipFileFromImages);
    }
}