java中如何实现 zip rar 7z 压缩包解压
更新时间：2023年07月15日 11:24:57 作者：彭先生吖
这篇文章主要介绍了java中如何实现 zip rar 7z 压缩包解压问题，具有很好的参考价值，希望对大家有所帮助。如有错误或未考虑完全的地方，望不吝赐教
java zip rar 7z 压缩包解压
7z和rar需要引入maven依赖，zip使用java自带的
<!-- 7z解压依赖 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-compress</artifactId>
<version>1.9</version>
</dependency>
<dependency>
<groupId>org.tukaani</groupId>
<artifactId>xz</artifactId>
<version>1.5</version>
</dependency>
<!-- rar解压依赖 -- >
<dependency>
<groupId>net.sf.sevenzipjbinding</groupId>
<artifactId>sevenzipjbinding</artifactId>
<version>16.02-2.01</version>
</dependency>
<dependency>
<groupId>net.sf.sevenzipjbinding</groupId>
<artifactId>sevenzipjbinding-all-platforms</artifactId>
<version>16.02-2.01</version>
</dependency>编写解压util工具类
/**
* 文件解压缩工具类
*/
public class UnFileUtil {
/**
* rar解压缩
* @param rarFile rar文件的全路径
* @return 压缩包中所有的文件
*/
@SuppressWarnings("resource")
public static Map<String, String> unRar(String rarFile) {
RandomAccessFile randomAccessFile = null;
IInArchive archive = null;
try {
File f = new File(rarFile);
randomAccessFile = new RandomAccessFile(f.getAbsolutePath(), "rw");
archive = SevenZip.openInArchive(ArchiveFormat.RAR,
new RandomAccessFileInStream(randomAccessFile));
String outPath = f.getAbsolutePath().substring(0, f.getAbsolutePath().indexOf("."));
File zdir = new File(outPath);
if (zdir.isDirectory()) {
zdir.delete();
}
zdir.mkdir();
int[] in = new int[archive.getNumberOfItems()];
for (int i = 0; i < in.length; i++) {
in[i] = i;
}
archive.extract(in, false, new ExtractCallback(archive,zdir.getAbsolutePath() + "/"));
//解压后获取压缩包下全部文件列表
Map<String, String> zipFileMap = getFileNameList(outPath,"");
return zipFileMap;
} catch (FileNotFoundException | SevenZipException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally {
try {
if(randomAccessFile != null) randomAccessFile.close();
if(archive != null) archive.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}
/**
* 获取压缩包中的全部文件
* @param path 文件夹路径
* @childName 每一个文件的每一层的路径==D==区分层数
* @return 压缩包中所有的文件
*/
private static Map<String, String> getFileNameList(String path, String childName) {
System.out.println("path:" + path + "---childName:"+childName);
Map<String, String> files = new HashMap<>();
File file = new File(path); // 需要获取的文件的路径
String[] fileNameLists = file.list(); // 存储文件名的String数组
File[] filePathLists = file.listFiles(); // 存储文件路径的String数组
for (int i = 0; i < filePathLists.length; i++) {
if (filePathLists[i].isFile()) {
files.put(fileNameLists[i] + "==D==" + childName, path + File.separator + filePathLists[i].getName());
} else {
files.putAll(getFileNameList(path + File.separator + filePathLists[i].getName(), childName + "&" + filePathLists[i].getName()));
}
}
return files;
}
/**
* zip解压缩
* @param zipFilePath zip文件的全路径
* @param unzipFilePath 解压后文件保存路径
* @param includeZipFileName 解压后文件是否包含压缩包文件名，true包含，false不包含
* @return 压缩包中所有的文件
*/
@SuppressWarnings("resource")
public static Map<String, String> unZip(String zipFilePath, String unzipFilePath, boolean includeZipFileName) throws Exception{
File zipFile = new File(zipFilePath);
//如果包含压缩包文件名，则处理保存路径
if(includeZipFileName){
String fileName = zipFile.getName();
if(StringUtils.isNotEmpty(fileName)){
fileName = fileName.substring(0,fileName.lastIndexOf("."));
}
unzipFilePath = unzipFilePath + File.separator + fileName;
}
//判断保存路径是否存在，不存在则创建
File unzipFileDir = new File(unzipFilePath);
if(!unzipFileDir.exists() || !unzipFileDir.isDirectory()){
unzipFileDir.mkdirs();
}
//开始解压
ZipEntry entry = null;
String entryFilePath = null, entryDirPath = "";
File entryFile = null, entryDir = null;
int index = 0, count = 0, bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
Charset gbk = Charset.forName("GBK");
ZipFile zip = new ZipFile(zipFile, gbk);
try {
Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zip.entries();
while (entries.hasMoreElements()) {
entry = entries.nextElement();
entryFilePath = unzipFilePath + File.separator + entry.getName();
entryFilePath = entryFilePath.replace("/", File.separator);
index = entryFilePath.lastIndexOf(File.separator);
if (index != -1) {
entryDirPath = entryFilePath.substring(0, index);
}
entryDir = new File(entryDirPath);
if (!entryDir.exists() || !entryDir.isDirectory()) {
entryDir.mkdirs();
}
entryFile = new File(entryFilePath);
//判断当前文件父类路径是否存在，不存在则创建
if(!entryFile.getParentFile().exists() || !entryFile.getParentFile().isDirectory()){
entryFile.getParentFile().mkdirs();
}
//不是文件说明是文件夹创建即可，无需写入
if(entryFile.isDirectory()){
continue;
}
bos = new BufferedOutputStream(new FileOutputStream(entryFile));
bis = new BufferedInputStream(zip.getInputStream(entry));
while ((count = bis.read(buffer, 0, bufferSize)) != -1) {
bos.write(buffer, 0, count);
}
}
}catch (Exception e){
e.printStackTrace();
}finally {
bos.flush();
bos.close();
bis.close();
zip.close();
}
Map<String, String> resultMap = getFileNameList(unzipFilePath, "");
return resultMap;
}
/**
* zip解压缩
* @param zipFilePath zip文件的全路径
* @param includeZipFileName 解压后文件是否包含压缩包文件名，true包含，false不包含
* @return 压缩包中所有的文件
*/
@SuppressWarnings("resource")
public static Map<String, String> unZip(String zipFilePath, boolean includeZipFileName) throws Exception{
File zipFile = new File(zipFilePath);
String unzipFilePath = zipFilePath.substring(0, zipFilePath.lastIndexOf(File.separator));
//如果包含压缩包文件名，则处理保存路径
if(includeZipFileName){
String fileName = zipFile.getName();
if(StringUtils.isNotEmpty(fileName)){
fileName = fileName.substring(0,fileName.lastIndexOf("."));
}
unzipFilePath = unzipFilePath + File.separator + fileName;
}
//判断保存路径是否存在，不存在则创建
File unzipFileDir = new File(unzipFilePath);
if(!unzipFileDir.exists() || !unzipFileDir.isDirectory()){
unzipFileDir.mkdirs();
}
//开始解压
ZipEntry entry = null;
String entryFilePath = null, entryDirPath = "";
File entryFile = null, entryDir = null;
int index = 0, count = 0, bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
Charset gbk = Charset.forName("GBK");
ZipFile zip = new ZipFile(zipFile, gbk);
try {
Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zip.entries();
while (entries.hasMoreElements()) {
entry = entries.nextElement();
entryFilePath = unzipFilePath + File.separator + entry.getName();
entryFilePath = entryFilePath.replace("/", File.separator);
index = entryFilePath.lastIndexOf(File.separator);
if (index != -1) {
entryDirPath = entryFilePath.substring(0, index);
}
entryDir = new File(entryDirPath);
if (!entryDir.exists() || !entryDir.isDirectory()) {
entryDir.mkdirs();
}
entryFile = new File(entryFilePath);
//判断当前文件父类路径是否存在，不存在则创建
if(!entryFile.getParentFile().exists() || !entryFile.getParentFile().isDirectory()){
entryFile.getParentFile().mkdirs();
}
//不是文件说明是文件夹创建即可，无需写入
if(entryFile.isDirectory()){
continue;
}
bos = new BufferedOutputStream(new FileOutputStream(entryFile));
bis = new BufferedInputStream(zip.getInputStream(entry));
while ((count = bis.read(buffer, 0, bufferSize)) != -1) {
bos.write(buffer, 0, count);
}
bos.flush();
bos.close();
bis.close();
}
}catch (Exception e){
e.printStackTrace();
}finally {
zip.close();
}
Map<String, String> resultMap = getFileNameList(unzipFilePath, "");
return resultMap;
}
/**
* 7z解压缩
* @param z7zFilePath 7z文件的全路径
* @return 压缩包中所有的文件
*/
public static Map<String, String> un7z(String z7zFilePath){
String un7zFilePath = ""; //压缩之后的绝对路径
SevenZFile zIn = null;
try {
File file = new File(z7zFilePath);
un7zFilePath = file.getAbsolutePath().substring(0, file.getAbsolutePath().lastIndexOf(".7z"));
zIn = new SevenZFile(file);
SevenZArchiveEntry entry = null;
File newFile = null;
while ((entry = zIn.getNextEntry()) != null){
//不是文件夹就进行解压
if(!entry.isDirectory()){
newFile = new File(un7zFilePath, entry.getName());
if(!newFile.exists()){
new File(newFile.getParent()).mkdirs(); //创建此文件的上层目录
}
OutputStream out = new FileOutputStream(newFile);
BufferedOutputStream bos = new BufferedOutputStream(out);
int len = -1;
byte[] buf = new byte[(int)entry.getSize()];
while ((len = zIn.read(buf)) != -1){
bos.write(buf, 0, len);
}
bos.flush();
bos.close();
out.close();
}
}
} catch (Exception e) {
e.printStackTrace();
}finally {
try {
if (zIn != null)
zIn.close();
} catch (IOException e) {
e.printStackTrace();
}
}
Map<String, String> resultMap = getFileNameList(un7zFilePath, "");
return resultMap;
}
public static void main(String[] args) {
try {
un7z("C:\\Users\\Admin\\Desktop\\1716F0190017.7z");
} catch (Exception e) {
e.printStackTrace();
}
}
}java常见压缩包解压工具类（支持：zip、7z和rar）
pom依赖
<groupId>org.apache.commons</groupId> <artifactId>commons-compress</artifactId> <version>1.9</version> </dependency> <dependency> <groupId>org.tukaani</groupId> <artifactId>xz</artifactId> <version>1.5</version> </dependency> <!-- rar解压依赖 --> <dependency> <groupId>net.sf.sevenzipjbinding</groupId> <artifactId>sevenzipjbinding</artifactId> <version>16.02-2.01</version> </dependency> <dependency> <groupId>net.sf.sevenzipjbinding</groupId> <artifactId>sevenzipjbinding-all-platforms</artifactId> <version>16.02-2.01</version> </dependency>
工具类实现
import cn.hutool.log.Log;
import cn.hutool.log.LogFactory;
import com.github.yulichang.common.support.func.S;
import com.onemap.business.web.resultsCheck.service.impl.ResultPackageReportServiceImpl;
import com.onemap.common.utils.StringUtils;
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.LongFunction;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
/**
* 文件解压缩工具类
*/
public class UnPagFileUtil {
private static final Logger log = LoggerFactory.getLogger(UnFileUtil.class);
/**
* rar解压缩
* @param rarFile rar文件的全路径
* @param outPath 解压路径
* @return 压缩包中所有的文件
*/
public static void unRarZip7Z(String rarFile, String outPath) throws Exception {
if (rarFile.toLowerCase().endsWith(".zip")) {
unZip(rarFile, outPath, false);
} else if (rarFile.toLowerCase().endsWith(".rar")) {
unRar(rarFile, outPath, "");
} else if (rarFile.toLowerCase().endsWith(".7z")) {
un7z(rarFile, outPath);
}
}
/**
* rar解压缩
* @param rarFile rar文件的全路径
* @param outPath 解压路径
* @return 压缩包中所有的文件
*/
private static String unRar(String rarFile, String outPath, String passWord) {
RandomAccessFile randomAccessFile = null;
IInArchive inArchive = null;
try {
// 第一个参数是需要解压的压缩包路径，第二个参数参考JdkAPI文档的RandomAccessFile
randomAccessFile = new RandomAccessFile(rarFile, "r");
if (StringUtils.isNotBlank(passWord)) {
inArchive = SevenZip.openInArchive(null, new RandomAccessFileInStream(randomAccessFile), passWord);
} else {
inArchive = SevenZip.openInArchive(null, new RandomAccessFileInStream(randomAccessFile));
}
ISimpleInArchive simpleInArchive = inArchive.getSimpleInterface();
for (final ISimpleInArchiveItem item : simpleInArchive.getArchiveItems()) {
final int[] hash = new int[]{0};
if (!item.isFolder()) {
ExtractOperationResult result;
final long[] sizeArray = new long[1];
File outFile = new File(outPath + File.separator+ item.getPath());
File parent = outFile.getParentFile();
if ((!parent.exists()) && (!parent.mkdirs())) {
continue;
}
if (StringUtils.isNotBlank(passWord)) {
result = item.extractSlow(data -> {
try {
IOUtils.write(data, new FileOutputStream(outFile, 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);
} else {
result = item.extractSlow(data -> {
try {
IOUtils.write(data, new FileOutputStream(outFile, true));
} catch (Exception e) {
e.printStackTrace();
}
hash[0] ^= Arrays.hashCode(data); // Consume data
sizeArray[0] += data.length;
return data.length; // Return amount of consumed
});
}
if (result == ExtractOperationResult.OK) {
log.error("解压rar成功...." + String.format("%9X | %10s | %s", hash[0], sizeArray[0], item.getPath()));
} else if (StringUtils.isNotBlank(passWord)) {
log.error("解压rar成功：密码错误或者其他错误...." + result);
return "password";
} else {
return "rar error";
}
}
}
} catch (Exception e) {
log.error("unRar error", e);
return e.getMessage();
} finally {
try {
inArchive.close();
randomAccessFile.close();
} catch (Exception e) {
e.printStackTrace();
}
}
return "";
}
/**
* 获取压缩包中的全部文件
* @param path 文件夹路径
* @childName 每一个文件的每一层的路径==D==区分层数
* @return 压缩包中所有的文件
*/
private static Map<String, String> getFileNameList(String path, String childName) {
System.out.println("path:" + path + "---childName:"+childName);
Map<String, String> files = new HashMap<>();
File file = new File(path); // 需要获取的文件的路径
String[] fileNameLists = file.list(); // 存储文件名的String数组
File[] filePathLists = file.listFiles(); // 存储文件路径的String数组
for (int i = 0; i < filePathLists.length; i++) {
if (filePathLists[i].isFile()) {
files.put(fileNameLists[i] + "==D==" + childName, path + File.separator + filePathLists[i].getName());
} else {
files.putAll(getFileNameList(path + File.separator + filePathLists[i].getName(), childName + "&" + filePathLists[i].getName()));
}
}
return files;
}
/**
* zip解压缩
* @param zipFilePath zip文件的全路径
* @param unzipFilePath 解压后文件保存路径
* @param includeZipFileName 解压后文件是否包含压缩包文件名，true包含，false不包含
* @return 压缩包中所有的文件
*/
public static Map<String, String> unZip(String zipFilePath, String unzipFilePath, boolean includeZipFileName) throws Exception{
File zipFile = new File(zipFilePath);
//如果包含压缩包文件名，则处理保存路径
if(includeZipFileName){
String fileName = zipFile.getName();
if(StringUtils.isNotEmpty(fileName)){
fileName = fileName.substring(0,fileName.lastIndexOf("."));
}
unzipFilePath = unzipFilePath + File.separator + fileName;
}
//判断保存路径是否存在，不存在则创建
File unzipFileDir = new File(unzipFilePath);
if(!unzipFileDir.exists() || !unzipFileDir.isDirectory()){
unzipFileDir.mkdirs();
}
//开始解压
ZipEntry entry = null;
String entryFilePath = null, entryDirPath = "";
File entryFile = null, entryDir = null;
int index = 0, count = 0, bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
Charset gbk = Charset.forName("GBK");
ZipFile zip = new ZipFile(zipFile, gbk);
try {
Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zip.entries();
while (entries.hasMoreElements()) {
entry = entries.nextElement();
entryFilePath = unzipFilePath + File.separator + entry.getName();
entryFilePath = entryFilePath.replace("/", File.separator);
index = entryFilePath.lastIndexOf(File.separator);
if (index != -1) {
entryDirPath = entryFilePath.substring(0, index);
}
entryDir = new File(entryDirPath);
if (!entryDir.exists() || !entryDir.isDirectory()) {
entryDir.mkdirs();
}
entryFile = new File(entryFilePath);
//判断当前文件父类路径是否存在，不存在则创建
if(!entryFile.getParentFile().exists() || !entryFile.getParentFile().isDirectory()){
entryFile.getParentFile().mkdirs();
}
//不是文件说明是文件夹创建即可，无需写入
if(entryFile.isDirectory()){
continue;
}
bos = new BufferedOutputStream(new FileOutputStream(entryFile));
bis = new BufferedInputStream(zip.getInputStream(entry));
while ((count = bis.read(buffer, 0, bufferSize)) != -1) {
bos.write(buffer, 0, count);
}
}
}catch (Exception e){
e.printStackTrace();
}finally {
bos.flush();
bos.close();
bis.close();
zip.close();
}
Map<String, String> resultMap = getFileNameList(unzipFilePath, "");
return resultMap;
}
/**
* zip解压缩
* @param zipFilePath zip文件的全路径
* @param includeZipFileName 解压后文件是否包含压缩包文件名，true包含，false不包含
* @return 压缩包中所有的文件
*/
public static Map<String, String> unZip(String zipFilePath, boolean includeZipFileName) throws Exception{
File zipFile = new File(zipFilePath);
String unzipFilePath = zipFilePath.substring(0, zipFilePath.lastIndexOf(File.separator));
//如果包含压缩包文件名，则处理保存路径
if(includeZipFileName){
String fileName = zipFile.getName();
if(StringUtils.isNotEmpty(fileName)){
fileName = fileName.substring(0,fileName.lastIndexOf("."));
}
unzipFilePath = unzipFilePath + File.separator + fileName;
}
//判断保存路径是否存在，不存在则创建
File unzipFileDir = new File(unzipFilePath);
if(!unzipFileDir.exists() || !unzipFileDir.isDirectory()){
unzipFileDir.mkdirs();
}
//开始解压
ZipEntry entry = null;
String entryFilePath = null, entryDirPath = "";
File entryFile = null, entryDir = null;
int index = 0, count = 0, bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
Charset gbk = Charset.forName("GBK");
ZipFile zip = new ZipFile(zipFile, gbk);
try {
Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zip.entries();
while (entries.hasMoreElements()) {
entry = entries.nextElement();
entryFilePath = unzipFilePath + File.separator + entry.getName();
entryFilePath = entryFilePath.replace("/", File.separator);
index = entryFilePath.lastIndexOf(File.separator);
if (index != -1) {
entryDirPath = entryFilePath.substring(0, index);
}
entryDir = new File(entryDirPath);
if (!entryDir.exists() || !entryDir.isDirectory()) {
entryDir.mkdirs();
}
entryFile = new File(entryFilePath);
//判断当前文件父类路径是否存在，不存在则创建
if(!entryFile.getParentFile().exists() || !entryFile.getParentFile().isDirectory()){
entryFile.getParentFile().mkdirs();
}
//不是文件说明是文件夹创建即可，无需写入
if(entryFile.isDirectory()){
continue;
}
bos = new BufferedOutputStream(new FileOutputStream(entryFile));
bis = new BufferedInputStream(zip.getInputStream(entry));
while ((count = bis.read(buffer, 0, bufferSize)) != -1) {
bos.write(buffer, 0, count);
}
bos.flush();
bos.close();
bis.close();
}
}catch (Exception e){
e.printStackTrace();
}finally {
zip.close();
}
Map<String, String> resultMap = getFileNameList(unzipFilePath, "");
return resultMap;
}
/**
* 7z解压缩
* @param z7zFilePath 7z文件的全路径
* @param outPath 解压路径
* @return 压缩包中所有的文件
*/
public static Map<String, String> un7z(String z7zFilePath, String outPath){
SevenZFile zIn = null;
try {
File file = new File(z7zFilePath);
zIn = new SevenZFile(file);
SevenZArchiveEntry entry = null;
File newFile = null;
while ((entry = zIn.getNextEntry()) != null){
//不是文件夹就进行解压
if(!entry.isDirectory()){
newFile = new File(outPath, entry.getName());
if(!newFile.exists()){
new File(newFile.getParent()).mkdirs(); //创建此文件的上层目录
}
OutputStream out = new FileOutputStream(newFile);
BufferedOutputStream bos = new BufferedOutputStream(out);
int len = -1;
byte[] buf = new byte[(int)entry.getSize()];
while ((len = zIn.read(buf)) != -1){
bos.write(buf, 0, len);
}
bos.flush();
bos.close();
out.close();
}
}
} catch (Exception e) {
e.printStackTrace();
}finally {
try {
if (zIn != null) {
zIn.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
Map<String, String> resultMap = getFileNameList(outPath, "");
return resultMap;
}
public static void main(String[] args) {
try {
String inputFile = "E:\\新建文件夹 (2)\\压缩测试.zip";
String inputFile2 = "E:\\新建文件夹 (2)\\红光村批复.rar";
String inputFile3 = "E:\\新建文件夹 (2)\\压缩测试.7z";
String destDirPath = "E:\\新建文件夹\\zip";
String destDirPath2 = "E:\\新建文件夹\\rar";
String destDirPath3 = "E:\\新建文件夹\\7z";
String suffix = inputFile.substring(inputFile.lastIndexOf("."));
//File zipFile = new File("E:\\新建文件夹 (2)\\压缩测试.7z");
//un7z(inputFile3, destDirPath3);
//unZip(inputFile, destDirPath, false);
unRar(inputFile2, destDirPath2, "");
} catch (Exception e) {
e.printStackTrace();
}
}
}总结
以上为个人经验，希望能给大家一个参考，也希望大家多多支持脚本之家。
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