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;
/**
* 压缩，解压，删除，拷贝操作。
* 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。
*
* * @author Tony
*/
public class FileUtil {
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 zip
(String inputFileName,
String outputFileName
)
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
*
*/
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 {
log.debug("添加压缩文件：" + base);
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
)
try {
Enumeration<?> e = zipFile.getEntries();
createDirectory(outputDirectory, "");
while (e.hasMoreElements()) {
log.debug("解压：" + zipEntry.getName());
if (zipEntry.isDirectory()) {
String name
= zipEntry.
getName();
name = name.substring(0, name.length() - 1);
f.mkdir();
log
.
debug("创建目录：" + 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());
}
+ zipEntry.getName());
f.createNewFile();
byte[] by = new byte[1024];
int c;
while ((c = in.read(by)) != -1) {
out.write(by, 0, c);
}
in.close();
out.close();
}
}
System.
out.
println(ex.
getMessage());
} finally {
zipFile.close();
log.debug("解压完成！");
}
}
/**
* 功能描述：列出某文件夹及其子文件夹下面的文件，并可根据扩展名过滤
*
* @param path
* 文件
*/
public static void list
(File path
) { if (!path.exists()) {
System.
out.
println("文件名称不存?"); } else {
if (path.isFile()) {
if (path.getName().toLowerCase().endsWith(".pdf")
|| path.getName().toLowerCase().endsWith(".doc")
|| path.getName().toLowerCase().endsWith(".chm")
|| path.getName().toLowerCase().endsWith(".html")
|| path.getName().toLowerCase().endsWith(".htm")) {// 文件格式
System.
out.
println(path.
getName()); }
} else {
File[] files
= path.
listFiles(); for (int i = 0; i < files.length; i++) {
list(files[i]);
}
}
}
}
/**
*
* @param directory
* @param subDirectory
*/
private static void createDirectory
(String directory,
String subDirectory
) {
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
];
}
}
System.
out.
println(ex.
getMessage());
}
}
/**
*
* 拷贝文件夹中的所有文件到另外一个文件夹
*
* @param srcDirector
* 源文件夹
*
* @param desDirector
* 目标文件夹
*
*/
public static void copyFileWithDirector
(String srcDirector,
(new File(desDirector
)).
mkdirs();
File[] file
= (new File(srcDirector
)).
listFiles();
for (int i = 0; i < file.length; i++) {
if (file[i].isFile()) {
log.debug("拷贝：" + file[i].getAbsolutePath() + "-->"
+ desDirector + "/" + file[i].getName());
+ "/" + 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("拷贝：" + file[i].getAbsolutePath() + "-->"
+ desDirector + "/" + file[i].getName());
copyFileWithDirector(srcDirector + "/" + file[i].getName(),
desDirector + "/" + file[i].getName());
}
}
}
/**
*
* 删除文件夹
*
* @param folderPath
* folderPath 文件夹完整绝对路径
*
*/
// 删除完里面所有内容
delAllFile(folderPath);
filePath = filePath.toString();
// 删除空文件夹
myFilePath.delete();
}
/**
*
* 删除指定文件夹下所有文件
*
* @param path
* 文件夹完整绝对路径
*
*/
boolean flag = false;
if (!file.exists()) {
return flag;
}
if (!file.isDirectory()) {
return flag;
}
String[] tempList
= file.
list();
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()) {
// 先删除文件夹里面的文件
delAllFile(path + "/" + tempList[i]);
// 再删除空文件夹
delFolder(path + "/" + tempList[i]);
flag = true;
}
}
return flag;
}
/**
* @param args
*/
public static void main
(String[] args
) { // TODO Auto-generated method stub
list(file);
}
}