package org.springblade.common.utils;
|
|
import org.springframework.context.annotation.Configuration;
|
|
import java.io.*;
|
import java.nio.charset.Charset;
|
import java.util.ArrayList;
|
import java.util.Enumeration;
|
import java.util.List;
|
import java.util.zip.ZipEntry;
|
import java.util.zip.ZipFile;
|
import java.util.zip.ZipOutputStream;
|
|
@Configuration
|
public class ZipUtil {
|
/**
|
* zip解压
|
*
|
* @param srcFile zip源文件
|
* @param destDirPath 解压后的目标文件夹
|
* @return list 解压文件的路径合集
|
* @throws RuntimeException 解压失败会抛出运行时异常
|
*/
|
public static List<String> unZipFiles(File srcFile, String destDirPath) throws RuntimeException {
|
List<String> list = new ArrayList<>();
|
long start = System.currentTimeMillis();
|
// 判断源文件是否存在
|
if (!srcFile.exists()) {
|
throw new RuntimeException(srcFile.getPath() + "所指文件不存在");
|
}
|
// 开始解压
|
ZipFile zipFile = null;
|
try {
|
zipFile = new ZipFile(srcFile, Charset.forName("GBK"));
|
Enumeration<?> entries = zipFile.entries();
|
while (entries.hasMoreElements()) {
|
ZipEntry entry = (ZipEntry) entries.nextElement();
|
|
// 如果是文件夹，就创建个文件夹
|
if (entry.isDirectory()) {
|
String dirPath = destDirPath + File.separator + entry.getName();
|
File dir = new File(dirPath);
|
dir.mkdirs();
|
} else {
|
// 如果是文件，就先创建一个文件，然后用io流把内容copy过去
|
File targetFile = new File(destDirPath + File.separator + entry.getName());
|
// 保证这个文件的父文件夹必须要存在
|
File parentFile = targetFile.getParentFile();
|
if (!parentFile.exists()) {
|
parentFile.mkdirs();
|
}
|
|
list.add(destDirPath + entry.getName());
|
targetFile.createNewFile();
|
// 将压缩文件内容写入到这个文件中
|
InputStream is = zipFile.getInputStream(entry);
|
FileOutputStream fos = new FileOutputStream(targetFile);
|
int len;
|
byte[] buf = new byte[1024];
|
while ((len = is.read(buf)) != -1) {
|
fos.write(buf, 0, len);
|
}
|
// 关流顺序，先打开的后关闭
|
fos.close();
|
is.close();
|
}
|
}
|
long end = System.currentTimeMillis();
|
|
} catch (Exception e) {
|
throw new RuntimeException("unzip error from ZipUtils", e);
|
} finally {
|
if (zipFile != null) {
|
try {
|
zipFile.close();
|
} catch (IOException e) {
|
e.printStackTrace();
|
}
|
}
|
}
|
return list;
|
}
|
|
// 定义一个公共的静态方法zipFolder，用于压缩文件夹
|
public static boolean zipFolder(String sourceFolderPath, String zipFilePath) {
|
File sourceFile = new File(sourceFolderPath);
|
try (
|
FileOutputStream fos = new FileOutputStream(zipFilePath);
|
ZipOutputStream zos = new ZipOutputStream(fos)
|
) {
|
zipFile(sourceFile, sourceFile.getName(), zos);
|
return true;
|
} catch (IOException e) {
|
e.printStackTrace();
|
}
|
return false;
|
}
|
|
// 将文件夹整体压缩
|
private static void zipFile(File fileToZip, String fileName, ZipOutputStream zos) throws IOException {
|
if (fileToZip.isHidden()) {
|
return;
|
}
|
if (fileToZip.isDirectory()) {
|
if (fileName.endsWith("/")) {
|
zos.putNextEntry(new ZipEntry(fileName));
|
zos.closeEntry();
|
} else {
|
zos.putNextEntry(new ZipEntry(fileName + "/"));
|
zos.closeEntry();
|
}
|
File[] children = fileToZip.listFiles();
|
for (File childFile : children) {
|
zipFile(childFile, fileName + "/" + childFile.getName(), zos);
|
}
|
return;
|
}
|
FileInputStream fis = new FileInputStream(fileToZip);
|
ZipEntry zipEntry = new ZipEntry(fileName);
|
zos.putNextEntry(zipEntry);
|
byte[] bytes = new byte[1024];
|
int length;
|
while ((length = fis.read(bytes)) >= 0) {
|
zos.write(bytes, 0, length);
|
}
|
fis.close();
|
}
|
|
public static void main(String[] args) {
|
// 调用方法进行测试
|
}
|
}
|
