压缩包工具类

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.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import static org.springframework.util.StreamUtils.BUFFER_SIZE;

/**
 * Desc: 压缩包工具类
 */
public class ZipUtil {

    private final static Logger logger = LoggerFactory.getLogger(ZipUtil.class);

    public static void toZip(List<File> srcFiles, File zipFile) throws RuntimeException {
        long start = System.currentTimeMillis();
        if(zipFile == null){
            logger.error("压缩包文件名为空！");
            return;
        }
        if(!zipFile.getName().endsWith(".zip")){
            logger.error("压缩包文件名异常，zipFile={}", zipFile.getPath());
            return;
        }
        ZipOutputStream zos = null;
        try {
            FileOutputStream out = new FileOutputStream(zipFile);
            zos = new ZipOutputStream(out);
            for (File srcFile : srcFiles) {
                byte[] buf = new byte[BUFFER_SIZE];
                zos.putNextEntry(new ZipEntry(srcFile.getName()));
                int len;
                FileInputStream in = new FileInputStream(srcFile);
                while ((len = in.read(buf)) != -1) {
                    zos.write(buf, 0, len);
                }
                zos.closeEntry();
                in.close();
            }
            long end = System.currentTimeMillis();
            logger.info("压缩完成，耗时：" + (end - start) + " ms");
        } catch (Exception e) {
            logger.error("ZipUtil toZip exception, ", e);
            throw new RuntimeException("zipFile error from ZipUtils", e);
        } finally {
            if (zos != null) {
                try {
                    zos.close();
                } catch (IOException e) {
                    logger.error("ZipUtil toZip close exception, ", e);
                }
            }
        }
    }
}