后端服务器如何自动解压zip压缩包

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

/**
 * 关于本地zip的操作工具类
 *
 * @author edison_kwok
 */
public class ZipUtils {

    /**
     * 解压zip文件，并删除zip文件
     * 该方法只针对 鹏元
     *
     * @param zipPath
     * @return
     * @throws Exception
     */
    public static String unZip(String zipPath, String zipName) {
        String unZipName = "";
        FileInputStream fis = null;
        ZipInputStream zins = null;
        FileOutputStream fos = null;
        ZipEntry entry = null;
        try {
            fis = new FileInputStream(zipPath + zipName);
            zins = new ZipInputStream(fis);
            while ((entry = zins.getNextEntry()) != null) {
                String entryName = entry.getName();
                if (entryName.endsWith(".pdf")) {
                    unZipName = entryName;
                }
                fos = new FileOutputStream(zipPath + entryName);
                byte[] buffer = new byte[2048];
                int len = -1;
                while ((len = zins.read(buffer)) != -1) {
                    fos.write(buffer, 0, len);
                }
                zins.closeEntry();
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (fos != null) {
                    fos.close();
                }
                if (zins != null) {
                    zins.close();
                }
                if (fis != null) {
                    fis.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return unZipName;
    }
}