写了一个用org.apache.tools.zip压缩/解压缩zip文件的例子,用来解决中文乱码问题。代码如下:
package org.coolyongzi;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;
import java.io.IOException;
import java.util.Enumeration;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
public class ZipTools {
public static final Logger logger = LogManager.getLogger(FileTools.class);
public ZipTools()
{
}
/*
* @description:Compressed files or folders
* @param compressedFilePath String,zipFileRootPath String,zipFileName String
* @return boolean
*/
public static boolean compressFloderChangeToZip(String compressedFilePath,String zipFileRootPath,String zipFileName)
throws IOException
{
File compressedFile = new File(compressedFilePath);
if("".equalsIgnoreCase(zipFileName))
{
zipFileName = StringTools.getShortFileNameFromFilePath(compressedFilePath);
}
if(!StringTools.conversionSpecialCharacters(zipFileRootPath).endsWith(File.separator))
{
zipFileRootPath = zipFileRootPath + File.separator;
}
ZipOutputStream zipOutputStream = new ZipOutputStream(new FileOutputStream(zipFileRootPath + zipFileName));
String base ="";
logger.debug("compress [" + compressedFilePath + "] start!");
boolean result = ZipTools.compressFloderChangeToZip(compressedFile,zipOutputStream,base);
logger.debug("compress [" + compressedFilePath + "] end!");
zipOutputStream.close();
return result;
}
private static boolean compressFloderChangeToZip(File compressedFile,ZipOutputStream zipOutputStream,String base)
throws IOException
{
FileInputStream fileInputStream = null;
try{
if(compressedFile.isDirectory())
{
File[] childrenCompressedFileList = compressedFile.listFiles();
base = base.length() == 0 ? "" : base + File.separator;
for (int i = 0; i < childrenCompressedFileList.length; i++) {
ZipTools.compressFloderChangeToZip(childrenCompressedFileList[i],
zipOutputStream,base+childrenCompressedFileList[i].getName());
}
}
else
{
if("".equalsIgnoreCase(base))
{
base = compressedFile.getName();
}
zipOutputStream.putNextEntry(new ZipEntry(base));
fileInputStream = new FileInputStream(compressedFile);
int b;
while((b=fileInputStream.read())!=-1)
{
zipOutputStream.write(b);
}
fileInputStream.close();
}
return true;
}catch(Exception e)
{
e.getStackTrace();
logger.error(e.getMessage());
return false;
}
}
/*
* @param:zipFilePath String,releasePath String
* @return void
* @description:Decompress A File
*/
@SuppressWarnings("unchecked")
public static void decompressFile(String zipFilePath,String releasePath) throws IOException
{
ZipFile zipFile = new ZipFile(zipFilePath);
Enumeration<ZipEntry> enumeration = zipFile.getEntries();
InputStream inputStream = null;
FileOutputStream fileOutputStream = null;
ZipEntry zipEntry = null;
String zipEntryNameStr ="";
String[] zipEntryNameArray = null;
while (enumeration.hasMoreElements()) {
zipEntry = enumeration.nextElement();
zipEntryNameStr = zipEntry.getName();
zipEntryNameArray = zipEntryNameStr.split("/");
String path = releasePath;
File root = new File(releasePath);
if(!root.exists())
{
root.mkdir();
}
for (int i = 0; i < zipEntryNameArray.length; i++) {
if(i<zipEntryNameArray.length-1)
{
path = path + File.separator+zipEntryNameArray[i];
new File(StringTools.conversionSpecialCharacters(path)).mkdir();
}
else
{
if(StringTools.conversionSpecialCharacters(zipEntryNameStr).endsWith(File.separator))
{
new File(releasePath + zipEntryNameStr).mkdir();
}
else
{
inputStream = zipFile.getInputStream(zipEntry);
fileOutputStream = new FileOutputStream(new File(
StringTools.conversionSpecialCharacters(releasePath + zipEntryNameStr)));
byte[] buf = new byte[1024];
int len;
while ((len = inputStream.read(buf)) > 0)
{
fileOutputStream.write(buf, 0, len);
}
inputStream.close();
fileOutputStream.close();
}
}
}
}
zipFile.close();
}
}
junit测试类
package org.coolyongzi.testcase;
import java.io.IOException;
import org.coolyongzi.ZipTools;
import junit.framework.TestCase;
public class ZipToolsTest extends TestCase {
protected void setUp() throws Exception {
super.setUp();
}
protected void tearDown() throws Exception {
super.tearDown();
}
public void testCompressFloderChangeToZip(){
try {
ZipTools.compressFloderChangeToZip("f:/iDocumentBanner2.gif", "f:", "test.zip");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void testDecompressFile(){
try {
ZipTools.decompressFile("f:/java对解压Zip格式的文件.zip","f:/test/");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.out.println(e.getMessage());
}
}
}
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