压缩本地文件

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.UUID;import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/*** 创建用户：杨辽* 创建时间：2016-11-01 15:52:00* 描    述：*/
public class ZipUtils {private static final Logger log = LoggerFactory.getLogger(ZipUtils.class);private ZipUtils() {};/*** 创建ZIP文件** @param sourcePath 文件或文件夹路径* @param zipPath    生成的zip文件存在路径（包括文件名）*/public static void createZip(String sourcePath, String zipPath) {FileOutputStream fos = null;ZipOutputStream zos = null;try {fos = new FileOutputStream(zipPath);zos = new ZipOutputStream(fos);writeZip(new File(sourcePath), "", zos);} catch (FileNotFoundException e) {log.error("创建ZIP文件失败", e);} finally {try {if (zos != null) {zos.close();}} catch (IOException e) {log.error("创建ZIP文件失败", e);}}}private static void writeZip(File file, String parentPath, ZipOutputStream zos) {if (file.exists()) {//处理文件夹if (file.isDirectory()) {parentPath += file.getName() + File.separator;File[] files = file.listFiles();for (File f : files) {writeZip(f, parentPath, zos);}} else {FileInputStream fis = null;DataInputStream dis = null;try {fis = new FileInputStream(file);dis = new DataInputStream(new BufferedInputStream(fis));ZipEntry ze = new ZipEntry(parentPath + file.getName());zos.putNextEntry(ze);//添加编码，如果不添加，当文件以中文命名的情况下，会出现乱码// ZipOutputStream的包一定是apache的ant.jar包。JDK也提供了打压缩包，但是不能设置编码zos.setEncoding("GBK");byte[] content = new byte[1024];int len;while ((len = fis.read(content)) != -1) {zos.write(content, 0, len);zos.flush();}} catch (IOException e) {log.error("创建ZIP文件失败", e);} finally {try {if (dis != null) {dis.close();}} catch (IOException e) {log.error("创建ZIP文件失败", e);}}}}}/*** 下载远程文件并保存到本地                *          * @param remoteFilePath 远程文件路径                   * @param localFilePath  本地文件路径           */              public static void downloadFile(String remoteFilePath, String localFilePath) {URL urlfile = null;HttpURLConnection httpUrl = null;BufferedInputStream bis = null;BufferedOutputStream bos = null;File f = new File(localFilePath);try {urlfile = new URL(remoteFilePath);httpUrl = (HttpURLConnection) urlfile.openConnection();httpUrl.connect();bis = new BufferedInputStream(httpUrl.getInputStream());bos = new BufferedOutputStream(new FileOutputStream(f));int len = 2048;byte[] b = new byte[len];while ((len = bis.read(b)) != -1) {bos.write(b, 0, len);}bos.flush();bis.close();httpUrl.disconnect();} catch (Exception e) {e.printStackTrace();} finally {try {if (bis != null) {bis.close();}if (bos != null) {bos.close();}} catch (IOException e) {e.printStackTrace();}}}public static void main(String[] args) {ZipUtils.createZip("D:\\zzzzzzzz\\", "D:\\ddd.zip");}

###在线下载压缩文件

package com.zichan360.springbootserver.util;import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.UUID;import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/*** 创建用户：杨辽* 创建时间：2016-11-01 15:52:00* 描    述：*/
public class ZipUtils {private static final Logger log = LoggerFactory.getLogger(ZipUtils.class);private ZipUtils() {}/*** 下载远程文件** @param remoteFilePath url*/public static InputStream downloadFile(String remoteFilePath) {/*http获取文件*/try {HttpURLConnection httpUrl = (HttpURLConnection) new URL(remoteFilePath).openConnection();InputStream stream = httpUrl.getInputStream();httpUrl.connect();return stream;} catch (Exception e) {e.printStackTrace();}return null;}/*** @param remoteFilePath url* @param zos            生成的zip文件存在路径（包括文件名）*/private static void writeZip(String remoteFilePath, ZipOutputStream zos) {UUID uuid = UUID.randomUUID();//获取远程文件流InputStream stream = downloadFile(remoteFilePath);if (null != stream) {DataInputStream dis = null;try {dis = new DataInputStream(new BufferedInputStream(stream));ZipEntry ze = new ZipEntry(uuid + ".wav");zos.putNextEntry(ze);//添加编码，如果不添加，当文件以中文命名的情况下，会出现乱码// ZipOutputStream的包一定是apache的ant.jar包。JDK也提供了打压缩包，但是不能设置编码zos.setEncoding("GBK");byte[] content = new byte[1024];int len;while ((len = stream.read(content)) != -1) {zos.write(content, 0, len);zos.flush();}} catch (IOException e) {log.error("创建ZIP文件失败", e);} finally {try {stream.close();if (dis != null) {dis.close();}} catch (IOException e) {log.error("创建ZIP文件失败", e);}}}}public static void main(String[] args) {try {FileOutputStream fos = new FileOutputStream("D:\\ddd.zip");ZipOutputStream zos = new ZipOutputStream(fos);ZipUtils.writeZip("下载地址", zos);ZipUtils.writeZip("下载地址", zos);ZipUtils.writeZip("下载地址", zos);ZipUtils.writeZip("下载地址", zos);zos.close();} catch (Exception e) {e.printStackTrace();}}
}