packagecom.m2plat.puhui.utils;importorg.slf4j.Logger;importorg.slf4j.LoggerFactory;import java.io.*;importjava.util.zip.ZipEntry;importjava.util.zip.ZipOutputStream;/*** 文件压缩工具类

* Created by xiangzh on 2018/11/20.*/

public classZipUtils {private static Logger logger = LoggerFactory.getLogger(ZipUtils.class);privateZipUtils(){

}public static void doCompress(String srcFile, String zipFile) throwsIOException {

doCompress(new File(srcFile), newFile(zipFile));

}/*** 文件压缩

*@paramsrcFile 目录或者单个文件

*@paramzipFile 压缩后的ZIP文件*/

public static void doCompress(File srcFile, File zipFile) throwsIOException {

ZipOutputStream out= null;try{

out= new ZipOutputStream(newFileOutputStream(zipFile));

doCompress(srcFile, out);

}catch(Exception e) {throwe;

}finally{

out.close();//记得关闭资源

}

}public static void doCompress(String filelName, ZipOutputStream out) throwsIOException{

doCompress(newFile(filelName), out);

}public static void doCompress(File file, ZipOutputStream out) throwsIOException{

doCompress(file, out,"");

}public static void doCompress(File inFile, ZipOutputStream out, String dir) throwsIOException {if( inFile.isDirectory() ) {

File[] files=inFile.listFiles();if (files!=null && files.length>0) {for(File file : files) {

String name=inFile.getName();if (!"".equals(dir)) {

name= dir + "/" +name;

}

ZipUtils.doCompress(file, out, name);

}

}

}else{

ZipUtils.doZip(inFile, out, dir);

}

}public static void doZip(File inFile, ZipOutputStream out, String dir) throwsIOException {

String entryName= null;if (!"".equals(dir)) {

entryName= dir + "/" +inFile.getName();

}else{

entryName=inFile.getName();

}

ZipEntry entry= newZipEntry(entryName);

out.putNextEntry(entry);int len = 0;byte[] buffer = new byte[1024];

FileInputStream fis= newFileInputStream(inFile);while ((len = fis.read(buffer)) > 0) {

out.write(buffer,0, len);

out.flush();

}

out.closeEntry();

fis.close();

}public static void doZip(InputStream in ,ZipOutputStream out, String entryName) throwsIOException {

logger.info("---添加InputStream到压缩文件，InputStream大小：{}",in.available());

ZipEntry entry= newZipEntry(entryName);

out.putNextEntry(entry);int len = 0;byte[] buffer = new byte[1024*5];while ((len = in.read(buffer)) > 0) {

out.write(buffer,0, len);

out.flush();

}

out.closeEntry();

in.close();

}public static void main(String[] args) throwsIOException {

doCompress("D:/excel/puhui/1", "D:/附件.zip");

}

}