支持中文目录,不会出现乱码:
import java.io.*;
import java.text.ParseException;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.CRC32;
import java.util.zip.CheckedOutputStream;
import java.util.zip.ZipFile;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
public class ZipCompressor {
static final int BUFFER = 8192;
private File zipFile;
public ZipCompressor(String pathName) {
zipFile = new File(pathName);
File parent = zipFile.getParentFile();
if(!parent.exists()){
parent.mkdirs(); //创建目录
}
}
public void compress(String... pathName) {
ZipOutputStream out = null;
try {
FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
out = new ZipOutputStream(cos);
out.setEncoding("gbk");
for (int i=0;i<pathName.length;i++){
String fileUrl = pathName[i];
int e = fileUrl.lastIndexOf("/");
int s = fileUrl.indexOf("/");
String baseUrl = fileUrl.substring(s+1,e+1);
this.compressFile(new File(fileUrl), out, baseUrl);
}
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void compress(List<String> pathName) {
ZipOutputStream out = null;
try {
FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
out = new ZipOutputStream(cos);
for (int i=0;i<pathName.size();i++){
String fileUrl = pathName.get(i);
int e = fileUrl.lastIndexOf("/");
int s = fileUrl.indexOf("/");
String baseUrl = fileUrl.substring(s+1,e+1);
this.compressFile(new File(fileUrl), out, baseUrl);
}
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void compress(String srcPathName) {
File file = new File(srcPathName);
if (!file.exists())
throw new RuntimeException(srcPathName + "不存在!");
try {
FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
ZipOutputStream out = new ZipOutputStream(cos);
int e = srcPathName.lastIndexOf("/");
int s = srcPathName.indexOf("/");
String baseUrl = srcPathName.substring(s+1,e+1);
this.compressFile(new File(srcPathName), out, baseUrl);
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void compress(File file, ZipOutputStream out, String basedir) {
/* 判断是目录还是文件 */
if (file.isDirectory()) {
System.out.println("压缩:" + basedir + file.getName());
this.compressDirectory(file, out, basedir);
} else {
System.out.println("压缩:" + basedir + file.getName());
this.compressFile(file, out, basedir);
}
}
/** 压缩一个目录 */
private void compressDirectory(File dir, ZipOutputStream out, String basedir) {
if (!dir.exists())
return;
File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
/* 递归 */
compress(files[i], out, basedir + dir.getName() + "/");
}
}
/** 压缩一个文件 */
private void compressFile(File file, ZipOutputStream out, String basedir) {
if (!file.exists()) {
return;
}
try {
BufferedInputStream bis = new BufferedInputStream(
new FileInputStream(file));
ZipEntry entry = new ZipEntry(basedir + file.getName());
out.putNextEntry(entry);
int count;
byte data[] = new byte[BUFFER];
while ((count = bis.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
bis.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* zip解压
* @param srcFile zip源文件
* @param destDirPath 解压后的目标文件夹
* @throws RuntimeException 解压失败会抛出运行时异常
*/
public static void unZip(File srcFile, String destDirPath) throws RuntimeException {
long start = System.currentTimeMillis();
// 判断源文件是否存在
if (!srcFile.exists()) {
throw new RuntimeException(srcFile.getPath() + "所指文件不存在");
}
// 开始解压
ZipFile zipFile = null;
try {
zipFile = new ZipFile(srcFile);
Enumeration<?> entries = zipFile.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) entries.nextElement();
System.out.println("解压" + entry.getName());
// 如果是文件夹,就创建个文件夹
if (entry.isDirectory()) {
String dirPath = destDirPath + "/" + entry.getName();
File dir = new File(dirPath);
dir.mkdirs();
} else {
// 如果是文件,就先创建一个文件,然后用io流把内容copy过去
File targetFile = new File(destDirPath + "/" + entry.getName());
// 保证这个文件的父文件夹必须要存在
if(!targetFile.getParentFile().exists()){
targetFile.getParentFile().mkdirs();
}
targetFile.createNewFile();
// 将压缩文件内容写入到这个文件中
InputStream is = zipFile.getInputStream(entry);
FileOutputStream fos = new FileOutputStream(targetFile);
int len;
byte[] buf = new byte[BUFFER];
while ((len = is.read(buf)) != -1) {
fos.write(buf, 0, len);
}
// 关流顺序,先打开的后关闭
fos.close();
is.close();
}
}
long end = System.currentTimeMillis();
System.out.println("解压完成,耗时:" + (end - start) +" ms");
} catch (Exception e) {
throw new RuntimeException("unzip error from ZipUtils", e);
} finally {
if(zipFile != null){
try {
zipFile.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public static void main(String[] args) throws ParseException {
ZipCompressor zc = new ZipCompressor("D:/test.zip");
zc.compress("D:/q/aa.exe","D:/x/bb.exe");
// unZip(new File("D:/Java.zip"),"D:/");
}
}
本文介绍了一个使用Java实现的ZIP文件压缩和解压的实用类。该类支持中文目录,避免了乱码问题,提供了压缩单个或多个文件、目录的功能,并详细展示了如何进行解压操作。

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