| | |
| | | import java.io.File; |
| | | import java.nio.charset.StandardCharsets; |
| | | |
| | | /** |
| | | * Zip4j帮助类 |
| | | * @author WWW |
| | | */ |
| | | @SuppressWarnings("ALL") |
| | | public class Zip4jHelper { |
| | | private final static Log log = LogFactory.getLog(Zip4jHelper.class); |
| | | |
| | | /** |
| | | * Zip压缩 |
| | | * |
| | | * @param zipFile zip文件 |
| | | * @param sourcePath 源路径 |
| | | * @param pwd 密码 |
| | | * @return 成功是否 |
| | | */ |
| | | public static boolean zip(String zipFile, String sourcePath, String pwd) { |
| | | try { |
| | | ZipFile zip = StringHelper.isEmpty(pwd) ? new ZipFile(zipFile) : new ZipFile(zipFile, pwd.toCharArray()); |
| | |
| | | |
| | | ZipParameters params = getZipParams(!StringHelper.isEmpty(pwd)); |
| | | |
| | | // 要打包的文件或文件夹 |
| | | File currentFile = new File(sourcePath); |
| | | if (currentFile.isDirectory()) { |
| | | zip.addFolder(currentFile, params); |
| | |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 创建ZipFile |
| | | */ |
| | | public static ZipFile createZipFile(String zipFile, String pwd) { |
| | | try { |
| | | ZipFile zip = StringHelper.isEmpty(pwd) ? new ZipFile(zipFile) : new ZipFile(zipFile, pwd.toCharArray()); |
| | |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 获取ZipParameters |
| | | */ |
| | | public static ZipParameters getZipParams(boolean hasPwd) { |
| | | // 设置压缩文件参数 |
| | | ZipParameters params = new ZipParameters(); |
| | | // 压缩方式 |
| | | params.setCompressionMethod(CompressionMethod.DEFLATE); |
| | | // 压缩级别 |
| | | params.setCompressionLevel(CompressionLevel.MAXIMUM); |
| | | |
| | | if (hasPwd) { |
| | | // 是否设置加密文件 |
| | | params.setEncryptFiles(true); |
| | | // 设置AES加密强度:KEY_STRENGTH_256 |
| | | params.setAesKeyStrength(AesKeyStrength.KEY_STRENGTH_128); |
| | | // 设置加密算法 |
| | | params.setEncryptionMethod(EncryptionMethod.AES); |
| | | } |
| | | |
| | | return params; |
| | | } |
| | | |
| | | /** |
| | | * 添加文件至压缩包 |
| | | * |
| | | * @param zip ZipFile |
| | | * @param params ZipParameters |
| | | * @param file File |
| | | * @throws ZipException |
| | | */ |
| | | private static void addZipFile(ZipFile zip, ZipParameters params, File file) throws ZipException { |
| | | if (file.isDirectory()) { |
| | | File[] files = file.listFiles(); |
| | |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Zip解压 |
| | | * |
| | | * @param zipFile zip文件 |
| | | * @param toPath 解压路径 |
| | | * @param password 密码 |
| | | * @return 成功是/否 |
| | | */ |
| | | public static boolean unzip(String zipFile, String toPath, String password) { |
| | | try { |
| | | // 生成的压缩文件 |
| | | ZipFile zip = new ZipFile(zipFile); |
| | | |
| | | // 设置密码 |
| | | if (!StringHelper.isEmpty(password)) { |
| | | zip.setPassword(password.toCharArray()); |
| | | } |
| | | |
| | | // 解压缩所有文件以及文件夹 |
| | | zip.extractAll(toPath); |
| | | |
| | | return true; |