【话不多说直接上代码，复制粘贴然后引入JDK的包即可使用】
import java.nio.file.Paths;public static final int BUFFER = 1024;//compress方法需要传入2个参数，是两个地址//第一个地址是目标打包文件的地址，第二个是zip包输出的地址public static void main(String[] args) throws IOException {String hallFilePath = "E:/" + "packs";compress(Paths.get(hallFilePath).toString(), hallFilePath + ".zip");}//由此开始是所有相关的工具方法public static void compress(String fromPath, String toPath) throws IOException {File fromFile = new File(fromPath);File toFile = new File(toPath);if (!fromFile.exists()) {throw new ExportException(fromPath + "不存在！");}try (FileOutputStream outputStream = new FileOutputStream(toFile); CheckedOutputStream checkedOutputStream = new CheckedOutputStream(outputStream, new CRC32()); ZipOutputStream zipOutputStream = new ZipOutputStream(checkedOutputStream)) {String baseDir = "";compress(fromFile, zipOutputStream, baseDir);}}private static void compress(File file, ZipOutputStream zipOut, String baseDir) throws IOException {if (file.isDirectory()) {compressDirectory(file, zipOut, baseDir);} else {compressFile(file, zipOut, baseDir);}}private static void compressFile(File file, ZipOutputStream zipOut, String baseDir) throws IOException {if (!file.exists()) {return;}try (BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file))) {ZipEntry entry = new ZipEntry(baseDir + file.getName());zipOut.putNextEntry(entry);int count;byte[] data = new byte[BUFFER];while ((count = bis.read(data, 0, BUFFER)) != -1) {zipOut.write(data, 0, count);}}}private static void compressDirectory(File dir, ZipOutputStream zipOut, String baseDir) throws IOException {File[] files = dir.listFiles();if (files != null && ArrayUtils.isNotEmpty(files)) {for (File file : files) {compress(file, zipOut, baseDir + dir.getName() + File.separator);}}}
