FileUtil.java
import java.io.*;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* 文件操作
* Created by heavenick on 2015/7/8.
*/
public class FileUtil {
public static void main(String[] args) throws IOException {
copyFile("E:\\upload\\create\\1436144988371_JL33041594.xml","E:\\test\\upload");
// deleteFile("E:\\test\\upload\\");
} /**
* 移动 文件或者文件夹
* @param oldPath
* @param newPath
* @throws IOException
*/
public static void moveTo(String oldPath,String newPath) throws IOException {
copyFile(oldPath,newPath);
deleteFile(oldPath);
}
/**
* 删除 文件或者文件夹
* @param filePath
*/
public static void deleteFile(String filePath){
File file = new File(filePath);
if (!file.exists()) {
return;
}
if (file.isDirectory() ) {
File[] list = file.listFiles();
for (File f : list) {
deleteFile(f.getAbsolutePath()) ;
}
}
file.delete();
}
/**
* 复制 文件或者文件夹
* @param oldPath
* @param newPath
* @throws IOException
*/
public static void copyFile(String oldPath ,String newPath ) throws IOException {
System.out.println("copy file from [" + oldPath + "] to [" + newPath +"]");
File oldFile = new File(oldPath) ;
if (oldFile.exists()) {
if(oldFile.isDirectory()){ // 如果是文件夹
File newPathDir = new File(newPath);
newPathDir.mkdirs();
File[] lists = oldFile.listFiles() ;
if(lists != null && lists.length > 0 ){
for (File file : lists) {
copyFile(file.getAbsolutePath(), newPath.endsWith(File.separator) ? newPath + file.getName() : newPath + File.separator + file.getName()) ;
}
}
}else {
InputStream inStream = new FileInputStream(oldFile); //读入原文件
FileOutputStream fs = new FileOutputStream(newPath);
write2Out(inStream ,fs) ;
inStream.close();
}
}
}
/**
* 重命名文件
* @param file
* @param name
* @return
*/
public static File renameFile(File file , String name ){
String fileName = file.getParent() + File.separator + name ;
File dest = new File(fileName);
file.renameTo(dest) ;
return dest ;
}
/**
* 压缩多个文件。
* @param zipFileName 压缩输出文件名
* @param files 需要压缩的文件
* @return
* @throws Exception
*/
public static File createZip(String zipFileName, File... files) throws Exception {
File outFile = new File(zipFileName) ;
ZipOutputStream out = null;
BufferedOutputStream bo = null;
try {
out = new ZipOutputStream(new FileOutputStream(outFile));
bo = new BufferedOutputStream(out);
for (File file : files) {
zip(out, file, file.getName(), bo);
}
} catch (Exception e) {
e.printStackTrace();
}finally {
try {
bo.close();
} finally {
out.close(); // 输出流关闭
}
}
return outFile;
}
/**
*
* @param zipFileName 压缩输出文件名
* @param inputFile 需要压缩的文件
* @return
* @throws Exception
*/
public static File createZip(String zipFileName, File inputFile) throws Exception {
File outFile = new File(zipFileName) ;
ZipOutputStream out = null;
BufferedOutputStream bo = null;
try {
out = new ZipOutputStream(new FileOutputStream(outFile));
bo = new BufferedOutputStream(out);
zip(out, inputFile, inputFile.getName(), bo);
} catch (Exception e) {
e.printStackTrace();
}finally {
try {
bo.close();
} finally {
out.close(); // 输出流关闭
}
}
return outFile;
}
private static void zip(ZipOutputStream out, File f, String base,BufferedOutputStream bo) throws Exception { // 方法重载
if (f.isDirectory()) {
File[] fl = f.listFiles();
if ( fl == null || fl.length == 0) {
out.putNextEntry(new ZipEntry(base + "/")); // 创建创建一个空的文件夹
}else{
for (int i = 0; i < fl.length; i++) {
zip(out, fl[i], base + "/" + fl[i].getName(), bo); // 递归遍历子文件夹
}
}
} else {
out.putNextEntry(new ZipEntry(base)); // 创建zip压缩进入 base 文件
System.out.println(base);
BufferedInputStream bi = new BufferedInputStream(new FileInputStream(f));
try {
write2Out(bi,out) ;
} catch (IOException e) {
//Ignore
}finally {
bi.close();// 输入流关闭
}
}
}
private static void write2Out(InputStream input , OutputStream out) throws IOException {
byte[] b = new byte[1024];
int c = 0 ;
while ( (c = input.read(b)) != -1 ) {
out.write(b,0,c);
out.flush();
}
out.flush();
}
}
Java zip 压缩 文件夹删除,移动,重命名,复制