import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.OutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* java文件操作工具类
*
* 此类包含利用JAVA进行文件的压缩，解压，删除，拷贝操作。部分代码总结了网上的代码，并修正了很多BUG,例如压缩中文问题， 压缩文件中多余空文件问题。
*
* 注意：此类中用到的压缩类ZipEntry等都来自于org.apache.tools包而非java.util。此包在ant.jar中有。
*
* @
*/
public class FileUtil {
private final static int BUFFER_SIZE = 16 * 1024;
protected static Logger log = LoggerFactory.getLogger(FileUtil.class);
/**
*
* 压缩文件
*
* @param inputFileName
* 要压缩的文件或文件夹路径，例如：c:\\a.txt,c:\\a\
*
* @param outputFileName
* 输出zip文件的路径，例如：c:\\a.zip
*/
public static void main(String[] args) {
System.out.println("test");
}
public static void zip(String inputFileName, String outputFileName)
throws Exception {
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
outputFileName));
zip(out, new File(inputFileName), "");
log.debug("压缩完成！");
out.closeEntry();
out.close();
}
/**
* 压缩文件
*
* @param out
* org.apache.tools.zip.ZipOutputStream
*
* @param file
* 待压缩的文件
*
* @param base
* 压缩的根目录
*/
private static void zip(ZipOutputStream out, File file, String base)
throws Exception {
if (file.isDirectory()) {
File[] fl = file.listFiles();
base = base.length() == 0 "" : base + File.separator;
for (int i = 0; i < fl.length; i++) {
zip(out, fl[i], base + fl[i].getName());
}
} else {
out.putNextEntry(new ZipEntry(base));
log.debug("添加压缩文件：" + base);
FileInputStream in = new FileInputStream(file);
int b;
while ((b = in.read()) != -1) {
out.write(b);
}
in.close();
}
}
/**
*
* 解压zip文件
*
* @param zipFileName
* 待解压的zip文件路径，例如：c:\\a.zip
*
* @param outputDirectory
* 解压目标文件夹,例如：c:\\a\
*/
public static void unZip(String zipFileName, String outputDirectory)
throws Exception {
ZipFile zipFile = new ZipFile(zipFileName);
try {
Enumeration< > e = zipFile.getEntries();
ZipEntry zipEntry = null;
createDirectory(outputDirectory, "");
while (e.hasMoreElements()) {
zipEntry = (ZipEntry) e.nextElement();
log.debug("解压：" + zipEntry.getName());
if (zipE