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| package com.hisen.utils;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;
import org.apache.commons.io.IOUtils;
import org.junit.Test;
/**
* 文件夹压缩解压工具
* Created by hisenyuan on 2017/4/20 at 17:27.
*/
public class ZipOrUnZipFileUtil {
private InputStream is;
private ZipOutputStream zos;
private int lastIndexOf;
@Test
public void testZipOrUnZipFile() {
//分隔符，windows linux下有所不同
String separator = File.separator;
//想要压缩的文件所在目录 C:\1\hisenyuan
String folderPath = "c:" + separator + "1" + separator + "hisenyuan";
//压缩文件路径：C:\1\hisenyuan\hisenyuan.zip
String zipFilePath = "c:" + separator + "1" + separator + "hisenyuan" + ".zip";
//解压文件所在的目录 E:\file\hisenyuan
String newPath = "e:" + separator + "file" + separator + "hisenyuan";
unZipFile(zipFilePath, newPath);
zipFile(folderPath);
}
/**
* 压缩文件
*
* @param filePath 压缩文件夹的路径
*/
private void zipFile(String filePath) {
File file = new File(filePath);
File zipFile = new File(filePath + ".zip");
lastIndexOf = file.getAbsolutePath().length() + 1;
try {
zos = new ZipOutputStream(new FileOutputStream(zipFile));
zos.setComment("log");
long start = System.currentTimeMillis();
listAllFile(filePath);
long stop = System.currentTimeMillis();
System.out.println("zip done，time：" + (stop - start) / 1000 + "s");
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
IOUtils.closeQuietly(zos, is);
}
}
/**
* 循环遍历当前文件夹下的所有文件，使用递归
*/
private void listAllFile(String filePath) {
File file = new File(filePath);
if (file.exists()) {
File[] files = file.listFiles();
if (files == null) {
System.out.println("folder is null");
} else {
for (File file2 : files) {
if (file2.isDirectory()) {
listAllFile(file2.getAbsolutePath());
} else {
String file3 = file2.getAbsolutePath();
try {
is = new FileInputStream(file3);
//在zip压缩包当中出现的文件名
String name = file3.substring(lastIndexOf, file3.length());
System.out.println("name:" + name);
zos.putNextEntry(new ZipEntry(name));
int temp;
int bufferSize = 1024 * 5;
byte[] buffer = new byte[bufferSize];
while ((temp = is.read(buffer, 0, bufferSize)) != -1) {
zos.write(buffer, 0, temp);
zos.flush();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
}
/**
* 解压文件
*
* @param filePath 压缩文件所在目录
* @param newPath 想解压到那个目录
*/
private void unZipFile(String filePath, String newPath) {
//压缩文件所在的父目录
String oldPath = new File(filePath).getParentFile().toString();
File outFile;
ZipInputStream zipInputStream = null;
OutputStream outputStream = null;
InputStream inputStream = null;
ZipEntry zipEntry;
try {
ZipFile zipFile = new ZipFile(filePath);
zipInputStream = new ZipInputStream(new FileInputStream(filePath));
while (null != (zipEntry = zipInputStream.getNextEntry())) {
System.out.println("解压缩" + zipEntry.getName() + "文件。");
//newPath为空就代表解压在当前目录
if ("".equals(newPath) || newPath.isEmpty()) {
outFile = new File(oldPath + zipEntry.getName());
} else {
//防止传入的目录不存在
File file = new File(newPath);
if (!file.exists()) {
file.mkdir();
}
outFile = new File(newPath + File.separator + zipEntry.getName());
}
//判断当前文件路径是否存在，不存在就创建
buildFile(outFile);
inputStream = zipFile.getInputStream(zipEntry);
outputStream = new FileOutputStream(outFile);
int temp;
int bufferSize = 1024 * 5;
byte[] buffer = new byte[bufferSize];
while ((temp = inputStream.read(buffer, 0, bufferSize)) != -1) {
outputStream.write(buffer, 0, temp);
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
IOUtils.closeQuietly(inputStream, outputStream, zipInputStream);
}
}
/**
* 判断文件是否存在，不存在创建
*/
private static void buildFile(File file) {
if (!file.exists()) {
File parent = file.getParentFile();
if (parent != null && !parent.exists()) {
parent.mkdirs();
}
try {
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
|