JAVA進行文件的壓縮，解壓，刪除，拷貝操作

import java.io.File;
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文件操作工具類
@author Chris
@version 2008-6-26
*/
public class FileUtil {
 protected static Logger log = LoggerFactory.getLogger(FileUtil.class);
 /**

壓縮文件
@param inputFileName 要壓縮的文件或文件夾路徑，例如：c:\a.txt,c:\a\
@param outputFileName 輸出zip文件的路徑，例如：c:\a.zip
*/
public static void zip(String inputFileName, String outputFileName) throws Exception {
 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outputFileName));
 zip(out, new File(inputFileName), "");
 log.debug("壓縮完成！");
 out.closeEntry();
 out.close();
}
/**
壓縮文件
@param out org.apache.tools.zip.ZipOutputStream
@param file 待壓縮的文件
@param base 壓縮的根目錄
*/
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("添加壓縮文件：" + base);
 FileInputStream in = new FileInputStream(file);
 int b;
 while ((b = in.read()) != -1) {
     out.write(b);
 }
 in.close();

 }
}
/**
解壓zip文件
@param zipFileName 待解壓的zip文件路徑，例如：c:\a.zip
@param outputDirectory 解壓目標文件夾,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("解壓：" + zipEntry.getName());
     if (zipEntry.isDirectory()) {
         String name = zipEntry.getName();
         name = name.substring(0, name.length() - 1);
         File f = new File(outputDirectory + File.separator + name);
         f.mkdir();
         log.debug("創建目錄：" + outputDirectory + File.separator + name);
     } else {
         String fileName = zipEntry.getName();
         fileName = fileName.replace('\\', '/');
         if (fileName.indexOf("/") != -1) {
             createDirectory(outputDirectory, fileName.substring(0, fileName.lastIndexOf("/")));
             fileName = fileName.substring(fileName.lastIndexOf("/") + 1, fileName.length());
         }
         File f = new File(outputDirectory + File.separator + zipEntry.getName());
         f.createNewFile();
         InputStream in = zipFile.getInputStream(zipEntry);
         FileOutputStream out = new FileOutputStream(f);
         byte[] by = new byte[1024];
         int c;
         while ((c = in.read(by)) != -1) {
             out.write(by, 0, c);
         }
         in.close();
         out.close();
     }
 }

 } catch (Exception ex) {
 System.out.println(ex.getMessage());

 } finally {
 zipFile.close();
 log.debug("解壓完成！");

 }
}
private static void createDirectory(String directory, String subDirectory) {
 String dir[];
 File fl = new File(directory);
 try {
 if (subDirectory == "" && fl.exists() != true) {
     fl.mkdir();
 } else if (subDirectory != "") {
     dir = subDirectory.replace('\\', '/').split("/");
     for (int i = 0; i < dir.length; i++) {
         File subFile = new File(directory + File.separator + dir[i]);
         if (subFile.exists() == false)
             subFile.mkdir();
         directory += File.separator + dir[i];
     }
 }

 } catch (Exception ex) {
 System.out.println(ex.getMessage());

 }
}
/**
拷貝文件夾中的所有文件到另外一個文件夾
@param srcDirector 源文件夾
@param desDirector 目標文件夾
*/
public static void copyFileWithDirector(String srcDirector, String desDirector) throws IOException {
 (new File(desDirector)).mkdirs();
 File[] file = (new File(srcDirector)).listFiles();
 for (int i = 0; i < file.length; i++) {
 if (file[i].isFile()) {
     log.debug("拷貝：" + file[i].getAbsolutePath() + "-->" + desDirector + "/" + file[i].getName());
     FileInputStream input = new FileInputStream(file[i]);
     FileOutputStream output = new FileOutputStream(desDirector + "/" + file[i].getName());
     byte[] b = new byte[1024 * 5];
     int len;
     while ((len = input.read(b)) != -1) {
         output.write(b, 0, len);
     }
     output.flush();
     output.close();
     input.close();
 }
 if (file[i].isDirectory()) {
     log.debug("拷貝：" + file[i].getAbsolutePath() + "-->" + desDirector + "/" + file[i].getName());
     copyFileWithDirector(srcDirector + "/" + file[i].getName(), desDirector + "/" + file[i].getName());
 }

 }
}
/**
刪除文件夾
@param folderPath folderPath 文件夾完整絕對路徑
*/
public static void delFolder(String folderPath) throws Exception {
 //刪除完里面所有內容
 delAllFile(folderPath);
 String filePath = folderPath;
 filePath = filePath.toString();
 File myFilePath = new File(filePath);
 //刪除空文件夾
 myFilePath.delete();
}
/**
刪除指定文件夾下所有文件
@param path 文件夾完整絕對路徑
*/
public static boolean delAllFile(String path) throws Exception {
 boolean flag = false;
 File file = new File(path);
 if (!file.exists()) {
 return flag;

 }
if (!file.isDirectory()) {
 return flag;

 }
 String[] tempList = file.list();
 File temp = null;
 for (int i = 0; i < tempList.length; i++) {
 if (path.endsWith(File.separator)) {
     temp = new File(path + tempList[i]);
 } else {
     temp = new File(path + File.separator + tempList[i]);
 }
 if (temp.isFile()) {
     temp.delete();
 }
 if (temp.isDirectory()) {
     //先刪除文件夾里面的文件
     delAllFile(path + "/" + tempList[i]);
     //再刪除空文件夾
     delFolder(path + "/" + tempList[i]);
     flag = true;
 }

 }
 return flag;
}
}</pre>