java实现zip的压缩和解压(支持中文文件名)

package com.ly.xjgl.utils;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import java.util.Enumeration;

import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;

/**
* ZIP工具包(支持中文)
* 依赖：ant-1.9.6.jar
*/
public class CHZipUtils {

/**使用GBK编码可以避免压缩中文文件名乱码*/
private static final String CHINESE_CHARSET = "GBK";

/**文件读取缓冲区大小*/
private static final int CACHE_SIZE = 1024;

/**
* 压缩文件
* @param sourceFolder 压缩文件夹
* @param zipFilePath 压缩文件输出路径
*/
public static void zip(String sourceFolder, String zipFilePath) {
OutputStream os = null;
BufferedOutputStream bos = null;
ZipOutputStream zos = null;
try {
os = new FileOutputStream(zipFilePath);
bos = new BufferedOutputStream(os);
zos = new ZipOutputStream(bos);
// 解决中文文件名乱码
zos.setEncoding(CHINESE_CHARSET);
File file = new File(sourceFolder);
String basePath = null;
if (file.isDirectory()) { //压缩文件夹
basePath = file.getPath();
} else {
basePath = file.getParent();
}
zipFile(file, basePath, zos);

} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (zos != null) {
zos.closeEntry();
zos.close();
}
if (bos != null) {
bos.close();
}
if (os != null) {
os.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

/**
* 递归压缩文件
* @param parentFile
* @param basePath
* @param zos
* @throws Exception
*/
private static void zipFile(File parentFile, String basePath,
ZipOutputStream zos) throws Exception {
File[] files = new File[0];
if (parentFile.isDirectory()) {
files = parentFile.listFiles();
} else {
files = new File[1];
files[0] = parentFile;
}
String pathName;
InputStream is;
BufferedInputStream bis;
byte[] cache = new byte[CACHE_SIZE];
for (File file : files) {
if (file.isDirectory()) {
pathName =
file.getPath().substring(basePath.length() + 1) + File.separator;
zos.putNextEntry(new ZipEntry(pathName));
zipFile(file, basePath, zos);
} else {
pathName = file.getPath().substring(basePath.length() + 1);
is = new FileInputStream(file);
bis = new BufferedInputStream(is);
zos.putNextEntry(new ZipEntry(pathName));
int nRead = 0;
while ((nRead = bis.read(cache, 0, CACHE_SIZE)) != -1) {
zos.write(cache, 0, nRead);
}
bis.close();
is.close();
}
}
}

/**
* 解压压缩包
* @param zipFilePath 压缩文件路径
* @param destDir 解压目录
*/
public static void unZip(String zipFilePath, String destDir) {
ZipFile zipFile = null;
try {
BufferedInputStream bis = null;
FileOutputStream fo
7fe0
s = null;
BufferedOutputStream bos = null;
zipFile = new ZipFile(zipFilePath, CHINESE_CHARSET);
Enumeration<ZipEntry> zipEntries = zipFile.getEntries();
File file, parentFile;
ZipEntry entry;
byte[] cache = new byte[CACHE_SIZE];
while (zipEntries.hasMoreElements()) {
entry = (ZipEntry)zipEntries.nextElement();
if (entry.isDirectory()) {
new File(destDir + entry.getName()).mkdirs();
continue;
}
bis = new BufferedInputStream(zipFile.getInputStream(entry));
file = new File(destDir + entry.getName());
parentFile = file.getParentFile();
if (parentFile != null && (!parentFile.exists())) {
parentFile.mkdirs();
}
fos = new FileOutputStream(file);
bos = new BufferedOutputStream(fos, CACHE_SIZE);
int readIndex = 0;
while ((readIndex = bis.read(cache, 0, CACHE_SIZE)) != -1) {
fos.write(cache, 0, readIndex);
}
bos.flush();
bos.close();
fos.close();
bis.close();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
zipFile.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}

public static void main(String[] args) throws Exception {
//      String sourceFolder = "D:/test/1.txt";
//      String sourceFolder = "D:/test/中文名.txt";
String sourceFolder = "D:/test/cms";
String zipFilePath = "D:/test/zip/压缩文件.zip";
String destDir = "D:/test/zip/";
CHZipUtils.zip(sourceFolder, zipFilePath);
//      CHZipUtils.unZip(zipFilePath, destDir);
System.out.println("********执行成功**********");
}

}