package org.jeecg.modules.automakeorder.unitl;
import java.io.*;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;
public class ZipUtils {
public static void zipFileTree(File sourceFile, String format) throws IOException {
ZipOutputStream zipOutputStream = null;
try {
String zipFileName;
if (sourceFile.isDirectory()) { // 目录
zipFileName = sourceFile.getParent() + File.separator + sourceFile.getName() + "."
+ format;
} else { // 单个文件
zipFileName = sourceFile.getParent()
+ sourceFile.getName().substring(0, sourceFile.getName().lastIndexOf("."))
+ "." + format;
}
// 压缩输出流
zipOutputStream = new ZipOutputStream(new FileOutputStream(zipFileName));
zip(sourceFile, zipOutputStream, "");
} finally {
if (null != zipOutputStream) {
// 关闭流
try {
zipOutputStream.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}
private static void zip(File file, ZipOutputStream zipOutputStream, String relativePath)
throws IOException {
FileInputStream fileInputStream = null;
try {
if (file.isDirectory()) { // 当前为文件夹
// 当前文件夹下的所有文件
File[] list = file.listFiles();
if (null != list) {
// 计算当前的相对路径
relativePath += (relativePath.length() == 0 ? "" : "/") + file.getName();
// 递归压缩每个文件
for (File f : list) {
zip(f, zipOutputStream, relativePath);
}
}
} else { // 压缩文件
// 计算文件的相对路径
relativePath += (relativePath.length() == 0 ? "" : "/") + file.getName();
// 写入单个文件
zipOutputStream.putNextEntry(new ZipEntry(relativePath));
fileInputStream = new FileInputStream(file);
int readLen;
byte[] buffer = new byte[1024];
while ((readLen = fileInputStream.read(buffer)) != -1) {
zipOutputStream.write(buffer, 0, readLen);
}
zipOutputStream.closeEntry();
}
} finally {
// 关闭流
if (fileInputStream != null) {
try {
fileInputStream.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}
public static void unzip(String zipFilePath, String desDirectory) throws Exception {
File desDir = new File(desDirectory);
if (!desDir.exists()) {
boolean mkdirSuccess = desDir.mkdir();
if (!mkdirSuccess) {
throw new Exception("创建解压目标文件夹失败");
}
}
// 读入流
ZipInputStream zipInputStream = new ZipInputStream(new FileInputStream(zipFilePath));
// 遍历每一个文件
ZipEntry zipEntry = zipInputStream.getNextEntry();
while (zipEntry != null) {
if (zipEntry.isDirectory()) { // 文件夹
String unzipFilePath = desDirectory + File.separator + zipEntry.getName();
// 直接创建
mkdir(new File(unzipFilePath));
} else { // 文件
String unzipFilePath = desDirectory + File.separator + zipEntry.getName();
File file = new File(unzipFilePath);
// 创建父目录
mkdir(file.getParentFile());
// 写出文件流
BufferedOutputStream bufferedOutputStream =
new BufferedOutputStream(new FileOutputStream(unzipFilePath));
byte[] bytes = new byte[1024];
int readLen;
while ((readLen = zipInputStream.read(bytes)) != -1) {
bufferedOutputStream.write(bytes, 0, readLen);
}
bufferedOutputStream.close();
}
zipInputStream.closeEntry();
zipEntry = zipInputStream.getNextEntry();
}
zipInputStream.close();
}
// 如果父目录不存在则创建
private static void mkdir(File file) {
if (null == file || file.exists()) {
return;
}
mkdir(file.getParentFile());
file.mkdir();
}
public static void unZipFiles(File zipFile, String descDir) throws IOException {
ZipFile zip = new ZipFile(zipFile, Charset.forName("GBK"));//解决中文文件夹乱码
String name = zip.getName().substring(zip.getName().lastIndexOf('\')+1, zip.getName().lastIndexOf('.'));
File pathFile = new File(descDir+name);
// if (!pathFile.exists()) {
// pathFile.mkdirs();
// }
for (Enumeration entries = zip.entries(); entries.hasMoreElements();) {
ZipEntry entry = (ZipEntry) entries.nextElement();
String zipEntryName = entry.getName();
InputStream in = zip.getInputStream(entry);
List list = Arrays.asList(zipEntryName.split("/"));
String fileName = list.get(0);
zipEntryName = zipEntryName.replace(fileName+"/","");
String outPath = (descDir +"/"+ zipEntryName).replaceAll("\*", "/");
// 判断路径是否存在,不存在则创建文件路径
File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
if (!file.exists()) {
file.mkdirs();
}
// 判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
if (new File(outPath).isDirectory()) {
continue;
}
// 输出文件路径信息
// System.out.println(outPath);
FileOutputStream out = new FileOutputStream(outPath);
byte[] buf1 = new byte[1024];
int len;
while ((len = in.read(buf1)) > 0) {
out.write(buf1, 0, len);
}
in.close();
out.close();
}
System.out.println("******************解压完毕********************");
return;
}
public static void main(String[] args) throws Exception {
String zipFilePath = "C:\Users\Admini\Desktop\logs\10005.zip";
String desDirectory = "C:\Users\Admini\Desktop\logs\new\";
unZipFiles(new File(zipFilePath),desDirectory);
// unzip(zipFilePath, desDirectory);
// zipFileTree(new File("C:\Users\Admini\Desktop\logs\10005"),"zip");
}
}
