/**
* 解压缩功能. 将zipFilePath解压到saveDir目录
*
* @throws Exception
*/
public static void upZipFile(String zipFilePath, String saveDir) throws Exception {
ZipFile zfile = null;
try {
zfile = new ZipFile(zipFilePath);
Enumeration zList = zfile.getEntries();
ZipEntry ze = null;
byte[] buf = new byte[1024];
while (zList.hasMoreElements()) {
ze = (ZipEntry) zList.nextElement();
if (ze.isDirectory()) {
File f = new File(saveDir + File.separatorChar + ze.getName());
f.mkdir();
continue;
}
OutputStream os = null;
InputStream is = null;
try {
os =
new BufferedOutputStream(
new FileOutputStream(
getRealFileName(saveDir + File.separatorChar, ze.getName())));
is = new BufferedInputStream(zfile.getInputStream(ze));
int readLen = 0;
while ((readLen = is.read(buf, 0, 1024)) != -1) {
os.write(buf, 0, readLen);
}
} finally {
is.close();
os.close();
}
}
} finally {
zfile.close();
}
}
/**
* 解压缩ZIP文件，将ZIP文件里的内容解压到descFileName目录下
*
* @param zipFileName 需要解压的ZIP文件
* @param descFileName 目标文件
*/
public static boolean unZipFiles(String zipFileName, String descFileName) {
String descFileNames = descFileName;
if (!descFileNames.endsWith(File.separator)) {
descFileNames = descFileNames + File.separator;
}
try {
// 根据ZIP文件创建ZipFile对象
ZipFile zipFile = new ZipFile(zipFileName);
ZipEntry entry = null;
String entryName = null;
String descFileDir = null;
byte[] buf = new byte[4096];
int readByte = 0;
// 获取ZIP文件里所有的entry
@SuppressWarnings("rawtypes")
Enumeration enums = zipFile.getEntries();
// 遍历所有entry
while (enums.hasMoreElements()) {
entry = (ZipEntry) enums.nextElement();
// 获得entry的名字
entryName = entry.getName();
descFileDir = descFileNames + entryName;
if (entry.isDirectory()) {
// 如果entry是一个目录，则创建目录
new File(descFileDir).mkdirs();
continue;
} else {
// 如果entry是一个文件，则创建父目录
new File(descFileDir).getParentFile().mkdirs();
}
File file = new File(descFileDir);
// 打开文件输出流
OutputStream os = new FileOutputStream(file);
// 从ZipFile对象中打开entry的输入流
InputStream is = zipFile.getInputStream(entry);
while ((readByte = is.read(buf)) != -1) {
os.write(buf, 0, readByte);
}
os.close();
is.close();
}
zipFile.close();
log.debug("文件解压成功!");
return true;
} catch (Exception e) {
log.debug("文件解压失败：" + e.getMessage());
return false;
}
}
private void handleZipFile(File f, File uploadDir) throws IOException {
ZipFile zipFile = new ZipFile(f, "UTF-8", true);
Enumeration entries = zipFile.getEntries();
while (entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) entries.nextElement();
InputStream zipin = zipFile.getInputStream(entry);
File dest = new File(uploadDir, entry.getName());
OutputStream fileout = new FileOutputStream(dest);
StreamUtils.copyThenClose(zipin, fileout);
viewer.add(new UploadItem(zipin, "", dest.getName(), ""));
if (dest.getName().endsWith("shp")) {
list.add(dest.toURI().toURL());
}
}
f.delete();
}
public void putData(File file) throws SQLException {
System.out.println(file.getAbsolutePath());
try {
ZipFile zipFile;
try {
zipFile = new ZipFile(file, "euc-kr");
} catch (java.nio.charset.UnmappableCharacterException e) { // IOException e) {
zipFile = new ZipFile(file);
}
// create a directory named the same as the zip file in the
// same directory as the zip file.
File zipDir = new File(file.getParentFile(), "ZipFile");
zipDir.mkdir();
@SuppressWarnings("unchecked")
Enumeration<? extends ZipEntry> entries = zipFile.getEntries();
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
String name = entry.getName();
// File for current file or directory
File entryDestination = new File(zipDir, name);
// System.out.println(entryDestination);
// This file may be in a subfolder in the Zip bundle
// This line ensures the parent folders are all
// created.
entryDestination.getParentFile().mkdirs();
// Directories are included as seperate entries
// in the zip file.
if (!entry.isDirectory()) {
System.out.println(entry.getName() + ",size = " + entry.getSize());
generateFile(entryDestination, entry, zipFile);
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* zip解压缩
*
* @param zipfile File 需要解压缩的文件
* @param descDir String 解压后的目标目录
*/
public static void unZipFiles(java.io.File zipfile, String descDir) {
try {
ZipFile zf = new ZipFile(zipfile);
for (Enumeration entries = zf.getEntries(); entries.hasMoreElements(); ) {
ZipEntry entry = ((ZipEntry) entries.nextElement());
String zipEntryName = entry.getName();
InputStream in = zf.getInputStream(entry);
OutputStream out = new FileOutputStream(descDir + zipEntryName);
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("解压缩完成.");
}
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* @param archive 解压文件名
* @param decompressDir
* @throws IOException
* @throws FileNotFoundException
* @throws ZipException
*/
public static void unZipFile(String archive, String decompressDir)
throws IOException, FileNotFoundException, ZipException {
BufferedInputStream bi;
ZipFile zf = new ZipFile(archive, "UTF-8");
Enumeration e = zf.getEntries();
while (e.hasMoreElements()) {
ZipEntry ze2 = (ZipEntry) e.nextElement();
String entryName = ze2.getName();
String path = decompressDir + "/" + entryName;
if (ze2.isDirectory()) {
System.out.println("正在创建解压目录 - " + entryName);
File decompressDirFile = new File(path);
if (!decompressDirFile.exists()) {
decompressDirFile.mkdirs();
}
} else {
System.out.println("正在创建解压文件 - " + entryName);
String fileDir = path.substring(0, path.lastIndexOf("/"));
File fileDirFile = new File(fileDir);
if (!fileDirFile.exists()) {
fileDirFile.mkdirs();
}
BufferedOutputStream bos =
new BufferedOutputStream(new FileOutputStream(decompressDir + "/" + entryName));
bi = new BufferedInputStream(zf.getInputStream(ze2));
byte[] readContent = new byte[1024];
int readCount = bi.read(readContent);
while (readCount != -1) {
bos.write(readContent, 0, readCount);
readCount = bi.read(readContent);
}
bos.close();
}
}
zf.close();
}
/**
* 解压文件名包含传入文字的文件
*
* @param zipFile 压缩文件
* @param folderPath 目标文件夹
* @param nameContains 传入的文件匹配名
* @throws ZipException 压缩格式有误时抛出
* @throws IOException IO错误时抛出
*/
public static ArrayList<File> upZipSelectedFile(
File zipFile, String folderPath, String nameContains) throws ZipException, IOException {
ArrayList<File> fileList = new ArrayList<File>();
File desDir = new File(folderPath);
if (!desDir.exists()) {
desDir.mkdirs();
}
ZipFile zf = new ZipFile(zipFile);
for (Enumeration<?> entries = zf.getEntries(); entries.hasMoreElements(); ) {
ZipEntry entry = ((ZipEntry) entries.nextElement());
if (entry.getName().contains(nameContains)) {
InputStream in = zf.getInputStream(entry);
String str = folderPath + File.separator + entry.getName();
str = new String(str.getBytes("8859_1"), "GB2312");
// str.getBytes("GB2312"),"8859_1" 输出
// str.getBytes("8859_1"),"GB2312" 输入
File desFile = new File(str);
if (!desFile.exists()) {
File fileParentDir = desFile.getParentFile();
if (!fileParentDir.exists()) {
fileParentDir.mkdirs();
}
desFile.createNewFile();
}
OutputStream out = new FileOutputStream(desFile);
byte buffer[] = new byte[BUFF_SIZE];
int realLength;
while ((realLength = in.read(buffer)) > 0) {
out.write(buffer, 0, realLength);
}
in.close();
out.close();
fileList.add(desFile);
}
}
return fileList;
}
/**
* 解压缩一个文件
*
* @param zipFile 压缩文件
* @param folderPath 解压缩的目标目录
* @throws IOException 当解压缩过程出错时抛出
*/
public static void upZipFile(File zipFile, String folderPath) throws ZipException, IOException {
File desDir = new File(folderPath);
if (!desDir.exists()) {
desDir.mkdirs();
}
ZipFile zf = new ZipFile(zipFile, "GBK");
for (Enumeration<?> entries = zf.getEntries(); entries.hasMoreElements(); ) {
ZipEntry entry = ((ZipEntry) entries.nextElement());
InputStream in = zf.getInputStream(entry);
String str = folderPath + File.separator + entry.getName();
// str = new String(str.getBytes("8859_1"), "GB2312");
File desFile = new File(str);
if (!desFile.exists()) {
if (!entry.isDirectory()) {
File fileParentDir = desFile.getParentFile();
if (!fileParentDir.exists()) {
fileParentDir.mkdirs();
}
desFile.createNewFile();
} else {
desFile.mkdirs();
continue;
}
}
if (!entry.isDirectory()) {
OutputStream out = new FileOutputStream(desFile);
byte buffer[] = new byte[BUFF_SIZE];
int realLength;
while ((realLength = in.read(buffer)) > 0) {
out.write(buffer, 0, realLength);
}
in.close();
out.close();
}
}
}
/**
* 获得压缩文件内压缩文件对象以取得其属性
*
* @param zipFile 压缩文件
* @return 返回一个压缩文件列表
* @throws ZipException 压缩文件格式有误时抛出
* @throws IOException IO操作有误时抛出
*/
public static Enumeration<?> getEntriesEnumeration(File zipFile)
throws ZipException, IOException {
ZipFile zf = new ZipFile(zipFile);
return zf.getEntries();
}