Java压缩解压ZIP之Zip4j入门 (键人岐)
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Zip4j是一个Java操作zip压缩格式的开源项目,功能强大而且使用方便,能完全满足Java操作Zip压缩文件。默认采用UTF-8编码,所以支持中文,同时也支持密码,而且支持多种压缩算法。
版本:zip4j_1.3.1.jar
http://www.lingala.net/zip4j/
压缩
1、文件压缩
2、设置密码
--标准
--AES
3、文件夹压缩
4、将文件压缩到指定文件夹中
5、往ZIP中添加文件
6、分割压缩文件
7、创建ZIP流
8、从ZIP中删除文件
9、获取ZIP中文件一览
解压
1、解压所有文件
2、解压所有文件到流
3、解压单个文件
版本:zip4j_1.3.1.jar
http://www.lingala.net/zip4j/
压缩
1、文件压缩
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test1.zip");
- ArrayList filesToAdd = new ArrayList();
- filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));
- filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));
- filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));
- filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));
- ZipParameters parameters = new ZipParameters();
- parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
- parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
- zipFile.addFiles(filesToAdd, parameters);
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test1.zip");ArrayList filesToAdd = new ArrayList();filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));ZipParameters parameters = new ZipParameters();parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL); zipFile.addFiles(filesToAdd, parameters);
2、设置密码
--标准
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test2.zip");
- ArrayList filesToAdd = new ArrayList();
- filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));
- filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));
- filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));
- filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));
- ZipParameters parameters = new ZipParameters();
- parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
- parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
- // Set password
- parameters.setEncryptFiles(true);
- parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_STANDARD);
- parameters.setPassword("test123!");
- zipFile.addFiles(filesToAdd, parameters);
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test2.zip");ArrayList filesToAdd = new ArrayList();filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));ZipParameters parameters = new ZipParameters();parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL); // Set passwordparameters.setEncryptFiles(true);parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_STANDARD);parameters.setPassword("test123!");zipFile.addFiles(filesToAdd, parameters);
--AES
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test3.zip");
- ArrayList filesToAdd = new ArrayList();
- filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));
- filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));
- filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));
- filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));
- ZipParameters parameters = new ZipParameters();
- parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
- parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
- // Set password
- parameters.setEncryptFiles(true);
- parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_AES);
- parameters.setAesKeyStrength(Zip4jConstants.AES_STRENGTH_256);
- parameters.setPassword("test123!");
- zipFile.addFiles(filesToAdd, parameters);
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test3.zip");ArrayList filesToAdd = new ArrayList();filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));ZipParameters parameters = new ZipParameters();parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL); // Set passwordparameters.setEncryptFiles(true);parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_AES);parameters.setAesKeyStrength(Zip4jConstants.AES_STRENGTH_256);parameters.setPassword("test123!");zipFile.addFiles(filesToAdd, parameters);
3、文件夹压缩
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test4.zip");
- String folderToAdd = "c:\\ZipTest";
- ZipParameters parameters = new ZipParameters();
- parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
- parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
- zipFile.addFolder(folderToAdd, parameters);
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test4.zip");String folderToAdd = "c:\\ZipTest";ZipParameters parameters = new ZipParameters();parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);zipFile.addFolder(folderToAdd, parameters);
4、将文件压缩到指定文件夹中
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test5.zip");
- ArrayList filesToAdd = new ArrayList();
- filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));
- filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));
- filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));
- filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));
- ZipParameters parameters = new ZipParameters();
- parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
- parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
- parameters.setRootFolderInZip("test2/");
- zipFile.addFiles(filesToAdd, parameters);
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test5.zip");ArrayList filesToAdd = new ArrayList();filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));ZipParameters parameters = new ZipParameters();parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);parameters.setRootFolderInZip("test2/");zipFile.addFiles(filesToAdd, parameters);
5、往ZIP中添加文件
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test1.zip");
- ZipParameters parameters = new ZipParameters();
- parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
- parameters.setFileNameInZip("文件2.doc");
- parameters.setSourceExternalStream(true);
- InputStream is = new FileInputStream("c:\\ZipTest\\文件2.doc");
- zipFile.addStream(is, parameters);
- is.close();
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test1.zip");ZipParameters parameters = new ZipParameters();parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);parameters.setFileNameInZip("文件2.doc");parameters.setSourceExternalStream(true);InputStream is = new FileInputStream("c:\\ZipTest\\文件2.doc");zipFile.addStream(is, parameters);is.close();
6、分割压缩文件
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test7.zip");
- ArrayList filesToAdd = new ArrayList();
- filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));
- filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));
- filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));
- filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));
- ZipParameters parameters = new ZipParameters();
- parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
- parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
- // SplitLenth has to be greater than 65536 bytes
- // zipFile.createZipFileFromFolder()
- zipFile.createZipFile(filesToAdd, parameters, true, 65536);
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test7.zip");ArrayList filesToAdd = new ArrayList();filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));ZipParameters parameters = new ZipParameters();parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL); // SplitLenth has to be greater than 65536 bytes// zipFile.createZipFileFromFolder()zipFile.createZipFile(filesToAdd, parameters, true, 65536);
7、创建ZIP流
- ArrayList filesToAdd = new ArrayList();
- filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));
- filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));
- filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));
- filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));
- ZipOutputStream outputStream = new ZipOutputStream(new FileOutputStream(new File("c:\\ZipTest\\test8.zip")));
- ZipParameters parameters = new ZipParameters();
- parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);
- parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);
- // Set password
- parameters.setEncryptFiles(true);
- parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_AES);
- parameters.setAesKeyStrength(Zip4jConstants.AES_STRENGTH_256);
- parameters.setPassword("test123!");
- for (int i = 0; i < filesToAdd.size(); i++) {
- File file = (File)filesToAdd.get(i);
- outputStream.putNextEntry(file,parameters);
- if (file.isDirectory()) {
- outputStream.closeEntry();
- continue;
- }
- InputStream inputStream = new FileInputStream(file);
- byte[] readBuff = new byte[4096];
- int readLen = -1;
- while ((readLen = inputStream.read(readBuff)) != -1) {
- outputStream.write(readBuff, 0, readLen);
- }
- outputStream.closeEntry();
- inputStream.close();
- }
- outputStream.finish();
- outputStream.close();
ArrayList filesToAdd = new ArrayList();filesToAdd.add(new File("c:\\ZipTest\\sample.txt"));filesToAdd.add(new File("c:\\ZipTest\\文件.doc"));filesToAdd.add(new File("c:\\ZipTest\\파일.xls"));filesToAdd.add(new File("c:\\ZipTest\\ファイル.ppt"));ZipOutputStream outputStream = new ZipOutputStream(new FileOutputStream(new File("c:\\ZipTest\\test8.zip")));ZipParameters parameters = new ZipParameters();parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE);parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL);// Set passwordparameters.setEncryptFiles(true);parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_AES);parameters.setAesKeyStrength(Zip4jConstants.AES_STRENGTH_256);parameters.setPassword("test123!");for (int i = 0; i < filesToAdd.size(); i++) {File file = (File)filesToAdd.get(i);outputStream.putNextEntry(file,parameters);if (file.isDirectory()) {outputStream.closeEntry();continue;}InputStream inputStream = new FileInputStream(file);byte[] readBuff = new byte[4096];int readLen = -1;while ((readLen = inputStream.read(readBuff)) != -1) {outputStream.write(readBuff, 0, readLen);}outputStream.closeEntry();inputStream.close();}outputStream.finish();outputStream.close();
8、从ZIP中删除文件
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test1.zip");
- //删除指定文件
- zipFile.removeFile("sample.txt");
- //删除第一个文件
- if (zipFile.getFileHeaders() != null && zipFile.getFileHeaders().size() > 0) {
- zipFile.removeFile((FileHeader)zipFile.getFileHeaders().get(0));
- } else {
- System.out.println("This cannot be demonstrated as zip file does not have any files left");
- }
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test1.zip");//删除指定文件zipFile.removeFile("sample.txt");//删除第一个文件if (zipFile.getFileHeaders() != null && zipFile.getFileHeaders().size() > 0) {zipFile.removeFile((FileHeader)zipFile.getFileHeaders().get(0));} else {System.out.println("This cannot be demonstrated as zip file does not have any files left");}
9、获取ZIP中文件一览
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test5.zip");
- List fileHeaderList = zipFile.getFileHeaders();
- for (int i = 0; i < fileHeaderList.size(); i++) {
- FileHeader fileHeader = (FileHeader)fileHeaderList.get(i);
- System.out.println("****File Details for: " + fileHeader.getFileName() + "*****");
- System.out.println("Name: " + fileHeader.getFileName());
- System.out.println("Compressed Size: " + fileHeader.getCompressedSize());
- System.out.println("Uncompressed Size: " + fileHeader.getUncompressedSize());
- System.out.println("CRC: " + fileHeader.getCrc32());
- System.out.println("************************************************************");
- }
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test5.zip");List fileHeaderList = zipFile.getFileHeaders();for (int i = 0; i < fileHeaderList.size(); i++) {FileHeader fileHeader = (FileHeader)fileHeaderList.get(i);System.out.println("****File Details for: " + fileHeader.getFileName() + "*****");System.out.println("Name: " + fileHeader.getFileName());System.out.println("Compressed Size: " + fileHeader.getCompressedSize());System.out.println("Uncompressed Size: " + fileHeader.getUncompressedSize());System.out.println("CRC: " + fileHeader.getCrc32());System.out.println("************************************************************");}
解压
1、解压所有文件
- //方法一
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test1.zip");
- zipFile.extractAll("c:\\ZipTest1");
- //方法二
- ZipFile zipFile2 = new ZipFile("c:\\ZipTest\\test2.zip");
- if (zipFile2.isEncrypted()) {
- zipFile2.setPassword("test123!");
- }
- List fileHeaderList = zipFile2.getFileHeaders();
- for (int i = 0; i < fileHeaderList.size(); i++) {
- FileHeader fileHeader = (FileHeader)fileHeaderList.get(i);
- zipFile2.extractFile(fileHeader, "c:\\ZipTest2\\");
- }
//方法一ZipFile zipFile = new ZipFile("c:\\ZipTest\\test1.zip");zipFile.extractAll("c:\\ZipTest1");//方法二ZipFile zipFile2 = new ZipFile("c:\\ZipTest\\test2.zip");if (zipFile2.isEncrypted()) {zipFile2.setPassword("test123!");}List fileHeaderList = zipFile2.getFileHeaders();for (int i = 0; i < fileHeaderList.size(); i++) {FileHeader fileHeader = (FileHeader)fileHeaderList.get(i);zipFile2.extractFile(fileHeader, "c:\\ZipTest2\\");}
2、解压所有文件到流
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test2.zip");
- if (zipFile.isEncrypted()) {
- zipFile.setPassword("test123!");
- }
- List fileHeaderList = zipFile.getFileHeaders();
- for (int i = 0; i < fileHeaderList.size(); i++) {
- FileHeader fileHeader = (FileHeader)fileHeaderList.get(i);
- if (fileHeader != null) {
- String outFilePath = "c:\\ZipTest3\\" + System.getProperty("file.separator") + fileHeader.getFileName();
- File outFile = new File(outFilePath);
- if (fileHeader.isDirectory()) {
- outFile.mkdirs();
- continue;
- }
- File parentDir = outFile.getParentFile();
- if (!parentDir.exists()) {
- parentDir.mkdirs();
- }
- ZipInputStream is = zipFile.getInputStream(fileHeader);
- OutputStream os = new FileOutputStream(outFile);
- int readLen = -1;
- byte[] buff = new byte[4096];
- while ((readLen = is.read(buff)) != -1) {
- os.write(buff, 0, readLen);
- }
- os.close();
- os = null;
- is.close();
- is = null;
- UnzipUtil.applyFileAttributes(fileHeader, outFile);
- System.out.println("Done extracting: " + fileHeader.getFileName());
- } else {
- System.err.println("fileheader is null. Shouldn't be here");
- }
- }
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test2.zip");if (zipFile.isEncrypted()) {zipFile.setPassword("test123!");}List fileHeaderList = zipFile.getFileHeaders();for (int i = 0; i < fileHeaderList.size(); i++) {FileHeader fileHeader = (FileHeader)fileHeaderList.get(i);if (fileHeader != null) {String outFilePath = "c:\\ZipTest3\\" + System.getProperty("file.separator") + fileHeader.getFileName();File outFile = new File(outFilePath);if (fileHeader.isDirectory()) {outFile.mkdirs();continue;}File parentDir = outFile.getParentFile();if (!parentDir.exists()) {parentDir.mkdirs();}ZipInputStream is = zipFile.getInputStream(fileHeader);OutputStream os = new FileOutputStream(outFile);int readLen = -1;byte[] buff = new byte[4096];while ((readLen = is.read(buff)) != -1) {os.write(buff, 0, readLen);}os.close();os = null;is.close();is = null;UnzipUtil.applyFileAttributes(fileHeader, outFile);System.out.println("Done extracting: " + fileHeader.getFileName());} else {System.err.println("fileheader is null. Shouldn't be here");}}
3、解压单个文件
- ZipFile zipFile = new ZipFile("c:\\ZipTest\\test2.zip");
- if (zipFile.isEncrypted()) {
- zipFile.setPassword("test123!");
- }
- zipFile.extractFile("文件.doc", "c:\\ZipTest4\\");
ZipFile zipFile = new ZipFile("c:\\ZipTest\\test2.zip");if (zipFile.isEncrypted()) {zipFile.setPassword("test123!");}zipFile.extractFile("文件.doc", "c:\\ZipTest4\\");
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