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| import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.Enumeration;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import com.github.junrar.Archive;
import com.github.junrar.rarfile.FileHeader;
public class ZipUtil {
public static synchronized void unrar(String rarFileName, String extPlace) throws Exception {
unRarFile(rarFileName, extPlace);
}
public static synchronized void unzip(String zipFileName, String extPlace) throws Exception {
unZipFiles(zipFileName, extPlace);
}
public static boolean unZipFiles(String zipFileName, String extPlace) throws Exception {
System.setProperty("sun.zip.encoding", System.getProperty("sun.jnu.encoding"));
try {
(new File(extPlace)).mkdirs();
File f = new File(zipFileName);
ZipFile zipFile = new ZipFile(zipFileName, "GBK");
if ((!f.exists()) && (f.length() <= 0)) {
throw new Exception("要解压的文件不存在!");
}
String strPath, gbkPath, strtemp;
File tempFile = new File(extPlace);
strPath = tempFile.getAbsolutePath();
Enumeration<?> e = zipFile.getEntries();
while (e.hasMoreElements()) {
ZipEntry zipEnt = (ZipEntry) e.nextElement();
gbkPath = zipEnt.getName();
if (zipEnt.isDirectory()) {
strtemp = strPath + File.separator + gbkPath;
File dir = new File(strtemp);
dir.mkdirs();
continue;
} else {
InputStream is = zipFile.getInputStream(zipEnt);
BufferedInputStream bis = new BufferedInputStream(is);
gbkPath = zipEnt.getName();
strtemp = strPath + File.separator + gbkPath;
String strsubdir = gbkPath;
for (int i = 0; i < strsubdir.length(); i++) {
if (strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
String temp = strPath + File.separator + strsubdir.substring(0, i);
File subdir = new File(temp);
if (!subdir.exists())
subdir.mkdir();
}
}
FileOutputStream fos = new FileOutputStream(strtemp);
BufferedOutputStream bos = new BufferedOutputStream(fos);
int c;
while ((c = bis.read()) != -1) {
bos.write((byte) c);
}
bos.close();
fos.close();
}
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
public static void unRarFile(String srcRarPath, String dstDirectoryPath) {
if (!srcRarPath.toLowerCase().endsWith(".rar")) {
System.out.println("非rar文件！");
return;
}
File dstDiretory = new File(dstDirectoryPath);
if (!dstDiretory.exists()) {
dstDiretory.mkdirs();
}
Archive a = null;
try {
a = new Archive(new File(srcRarPath));
if (a != null) {
FileHeader fh = a.nextFileHeader();
while (fh != null) {
String fileName = fh.getFileNameW().isEmpty() ? fh.getFileNameString() : fh.getFileNameW();
if (fh.isDirectory()) {
File fol = new File(dstDirectoryPath + File.separator + fileName);
fol.mkdirs();
} else {
File out = new File(dstDirectoryPath + File.separator + fileName.trim());
try {
if (!out.exists()) {
if (!out.getParentFile().exists()) {
out.getParentFile().mkdirs();
}
out.createNewFile();
}
FileOutputStream os = new FileOutputStream(out);
a.extractFile(fh, os);
os.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
fh = a.nextFileHeader();
}
a.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
|
