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();}
}