Java批量解压加密7Z或Zip压缩文件
Java批量解压加密7Z或Zip压缩文件
废话不多说直接上代码
Maven坐标
<dependency>
<groupId>net.lingala.zip4j</groupId>
<artifactId>zip4j</artifactId>
<version>2.9.1</version>
</dependency>
<dependency>
<groupId>net.sf.sevenzipjbinding</groupId>
<artifactId>sevenzipjbinding</artifactId>
<version>9.20-2.00beta</version>
</dependency>
<dependency>
<groupId>net.sf.sevenzipjbinding</groupId>
<artifactId>sevenzipjbinding-all-platforms</artifactId>
<version>9.20-2.00beta</version>
</dependency>
<!--apache提供的压缩包依赖-->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-compress</artifactId>
<version>1.9</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>org.apache.ant</groupId>
<artifactId>ant</artifactId>
<version>1.8.4</version>
</dependency>
<!-- slf4j日志工具 -->
<!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>1.7.25</version>
<scope>compile</scope>
</dependency>
工具类代码
import net.lingala.zip4j.exception.ZipException;
import net.sf.sevenzipjbinding.*;
import net.sf.sevenzipjbinding.impl.RandomAccessFileInStream;
import net.sf.sevenzipjbinding.simple.ISimpleInArchive;
import net.sf.sevenzipjbinding.simple.ISimpleInArchiveItem;
import org.apache.commons.compress.archivers.sevenz.SevenZArchiveEntry;
import org.apache.commons.compress.archivers.sevenz.SevenZFile;
import org.apache.commons.io.IOUtils;
import org.apache.tools.zip.ZipFile;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
/**@梦汐云纤
* 批量解压（可设置解压密码），无密码留空
*/
public class BatchDecompression {
private static Logger logger = LoggerFactory.getLogger(BatchDecompression.class);
public static void main(String[] args) throws Exception {
//解压指定目录下的所有.zip或.7z文件
getAllFilesAndExtract("D:\\写真\\新建文件夹 (2)\\", ".7z", "6666");
getAllFilesAndExtract("D:\\写真\\新建文件夹 (2)\\", ".zip", "6666");
getAllFilesAndExtract("D:\\写真\\新建文件夹 (2)\\", ".7z", "");
getAllFilesAndExtract("D:\\写真\\新建文件夹 (2)\\", ".zip", "");
}
/**
* 遍历文件夹下所有文件并调用指定方法进行文件解压
*
* @param path 文件目录
* @param suffix 后缀
* @param password 解压密码 无密码留空
*/
public static void getAllFilesAndExtract(String path, String suffix, String password) throws Exception {
//创建集合
ArrayList<String> listFileName = new ArrayList<String>();
File file = new File(path);
File[] files = file.listFiles();
String[] names = file.list();
if (names != null) {
String[] completeNames = new String[names.length];
for (int i = 0; i < names.length; i++) {
completeNames[i] = path + names[i];
}
listFileName.addAll(Arrays.asList(completeNames));
//遍历该目录下的所有文件路径
for (String name : listFileName) {
if (name.contains(suffix)) {
if (suffix.equals(".7z") && password.equals("")) {
//解压.7z文件
un7zByPath(name);
} else if (suffix.equals(".zip") && password.equals("")) {
//解压.zip文件
unZipFiles(name);
} else if (suffix.equals(".zip") && !password.equals("")) {
//解压加密.zip文件
uncompress(name, password);
} else if (suffix.equals(".7z") && !password.equals("")) {
//解压加密.7z文件
un7zEncryptionPath(name, path, password);
}
}
}
}
}
/**
* 解压加密.7z文件
* @param file7zPath 7z文件路径
* @param outPutPath 解压路径
* @param passWord 文件密码.没有可随便写,或空
* @return int
* @throws Exception 异常
*/
public static int un7zEncryptionPath(String file7zPath, final String outPutPath, String passWord) throws Exception {
IInArchive archive;
RandomAccessFile randomAccessFile;
randomAccessFile = new RandomAccessFile(file7zPath, "r");
archive = SevenZip.openInArchive(null, new RandomAccessFileInStream(randomAccessFile), passWord);
int numberOfItems = archive.getNumberOfItems();
ISimpleInArchive simpleInArchive = archive.getSimpleInterface();
for (final ISimpleInArchiveItem item : simpleInArchive.getArchiveItems()) {
final int[] hash = new int[]{0};
if (!item.isFolder()) {
ExtractOperationResult result;
final long[] sizeArray = new long[1];
result = item.extractSlow(new ISequentialOutStream() {
@Override
public int write(byte[] data) throws SevenZipException {
try {
String str = item.getPath();
str = str.substring(0, str.lastIndexOf(File.separator));
File file = new File(outPutPath + File.separator + str + File.separator);
if (!file.exists()) {
file.mkdirs();
}
File file1 = new File(outPutPath + File.separator + item.getPath());
IOUtils.write(data, new FileOutputStream(file1, true));
} catch (Exception e) {
e.printStackTrace();
}
hash[0] ^= Arrays.hashCode(data); // Consume data
sizeArray[0] += data.length;
return data.length; // Return amount of consumed
}
}, passWord);
if (result == ExtractOperationResult.OK) {
logger.error("解压成功...." + String.format("%9X | %10s | %s", hash[0], sizeArray[0], item.getPath()));
} else {
logger.error("解压失败：密码错误或者其他错误...." + result);
}
}
}
archive.close();
randomAccessFile.close();
return numberOfItems;
}
/**
* 解析ZIP文件，将ZIP文件里的内容解压到unzipFiles目录下
*
* @param zipFileName 解压目录
*/
public static boolean unZipFiles(String zipFileName) {
//解压到指定的目录
String[] splitAddress = zipFileName.split("\\\\");//根据自定字符截取字符串 获取文件名称包含后缀
String newPath = splitAddress[0] + "\\" + splitAddress[1] + "\\unzipFiles\\" + zipFileName.substring(zipFileName.lastIndexOf("\\") + 1, zipFileName.indexOf("."));//拼接成最新目录
String descFileNames = newPath;
if (!descFileNames.endsWith(File.separator)) {
descFileNames = descFileNames + File.separator;
System.out.println("File.separator:" + File.separator);
}
try {
// 根据ZIP文件创建ZipFile对象
ZipFile zipFile = new ZipFile(zipFileName);
org.apache.tools.zip.ZipEntry entry = null;
String entryName = null;
String descFileDir = null;
byte[] buf = new byte[4096];
int readByte = 0;
// 获取ZIP文件里所有的entry
@SuppressWarnings("rawtypes")
Enumeration enums = zipFile.getEntries();
// 遍历所有entry
while (enums.hasMoreElements()) {
entry = (org.apache.tools.zip.ZipEntry) enums.nextElement();
// 获得entry的名字
entryName = entry.getName();
descFileDir = descFileNames + entryName;
System.out.println("entryName:" + entryName);
if (entry.isDirectory()) {
// 如果entry是一个目录，则创建目录
new File(descFileDir).mkdirs();
continue;
} else {
// 如果entry是一个文件，则创建父目录
new File(descFileDir).getParentFile().mkdirs();
}
File file = new File(descFileDir);
// 打开文件输出流
OutputStream os = new FileOutputStream(file);
// 从ZipFile对象中打开entry的输入流
InputStream is = zipFile.getInputStream(entry);
while ((readByte = is.read(buf)) != -1) {
os.write(buf, 0, readByte);
}
os.close();
is.close();
}
zipFile.close();
System.out.println("文件解压成功");
return true;
} catch (Exception e) {
System.out.println("文件解压失败" + e.getMessage());
return false;
}
}
/**
* 解析本地7Z文件 将7Z文件里的内容解压到unzipFiles目录下
*
* @param path 文件路径
*/
public static void un7zByPath(String path) {
File srcFile = new File(path);//获取当前压缩文件
//开始解压
try {
SevenZFile zIn = new SevenZFile(srcFile);
SevenZArchiveEntry entry = null;
File newFile = null;
while ((entry = zIn.getNextEntry()) != null) {
if (!entry.isDirectory()) {
//解压到指定的目录
String[] splitAddress = path.split("\\\\");//根据自定字符截取字符串 获取文件名称包含后缀
String newPath = splitAddress[0] + "\\" + splitAddress[1] + "\\unzipFiles\\" + path.substring(path.lastIndexOf("\\") + 1, path.indexOf("."));//拼接成最新目录
newFile = new File(newPath, entry.getName());
if (!newFile.exists()) {
new File(newFile.getParent()).mkdirs();//创建此文件的上级目录
}
OutputStream out = new FileOutputStream(newFile);
BufferedOutputStream bos = new BufferedOutputStream(out);
int len = -1;
// 将文件信息写到byte数组中
byte[] buf = new byte[(int) entry.getSize()];
while ((len = zIn.read(buf)) != -1) {
bos.write(buf, 0, len);
}
System.out.println(entry.getName() + "=" + Arrays.toString(buf));
// 关流顺序，先打开的后关闭
bos.close();
out.close();
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 解压加密zip
*
* @param path 解压源文件，会在源文件所在目录下新建一个unzip文件夹存放解压后的文件
* @param password 密码
*/
public static void uncompress(String path, String password) {
File sourceFile = new File(path);
// 文件夹路径
String intercept = path.substring(path.lastIndexOf("\\") + 1, path.indexOf("."));
String targetPath = sourceFile.getParent() + File.separator + "unzipFiles\\";
File dir = new File(targetPath);
dir.mkdir();
net.lingala.zip4j.ZipFile zipFile = new net.lingala.zip4j.ZipFile(sourceFile);
try {
//解决中文乱码
zipFile.setCharset(Charset.forName("GBK"));
if (zipFile.isEncrypted()) {
zipFile.setPassword(password.toCharArray());
}
zipFile.extractAll(targetPath);
System.out.println(intercept + "解压成功");
} catch (ZipException e) {
System.out.println("压缩文件异常或解压密码错误");
}
}
}
测试
public static void main(String[] args) throws Exception {
//解压指定目录下的所有.zip或.7z文件
getAllFilesAndExtract("D:\\写真\\新建文件夹 (2)\\", ".7z", "6666");
getAllFilesAndExtract("D:\\写真\\新建文件夹 (2)\\", ".zip", "6666");
getAllFilesAndExtract("D:\\写真\\新建文件夹 (2)\\", ".7z", "");
getAllFilesAndExtract("D:\\写真\\新建文件夹 (2)\\", ".zip", "");
}
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