Android zip文件壓縮解壓縮
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out.write(buffer, 0, realLength);
}
in.close();
out.close();
}
}
/**
* 解壓文件名包含傳入文字的文件
*
* @param zipFile 壓縮文件
* @param folderPath 目標(biāo)文件夾
* @param nameContains 傳入的文件匹配名
* @throws ZipException 壓縮格式有誤時(shí)拋出
* @throws IOException IO錯(cuò)誤時(shí)拋出
*/
public static ArrayList
String nameContains) throws ZipException, IOException {
ArrayList
File desDir = new File(folderPath);
if (!desDir.exists()) {
desDir.mkdir();
}
ZipFile zf = new ZipFile(zipFile);
for (Enumeration entries = zf.entries(); 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 輸出
// str.getBytes(8859_1),GB2312 輸入
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;
}
/**
* 獲得壓縮文件內(nèi)文件列表
*
* @param zipFile 壓縮文件
* @return 壓縮文件內(nèi)文件名稱
* @throws ZipException 壓縮文件格式有誤時(shí)拋出
* @throws IOException 當(dāng)解壓縮過程出錯(cuò)時(shí)拋出
*/
public static ArrayList
ArrayList
Enumeration entries = getEntriesEnumeration(zipFile);
while (entries.hasMoreElements()) {
ZipEntry entry = ((ZipEntry)entries.nextElement());
entryNames.add(new String(getEntryName(entry).getBytes(GB2312), 8859_1));
}
return entryNames;
}
/**
* 獲得壓縮文件內(nèi)壓縮文件對象以取得其屬性
*
* @param zipFile 壓縮文件
* @return 返回一個(gè)壓縮文件列表
* @throws ZipException 壓縮文件格式有誤時(shí)拋出
* @throws IOException IO操作有誤時(shí)拋出
*/
public static Enumeration getEntriesEnumeration(File zipFile) throws ZipException,
IOException {
ZipFile zf = new ZipFile(zipFile);
return zf.entries();
}
/**
* 取得壓縮文件對象的注釋
*
* @param entry 壓縮文件對象
* @return 壓縮文件對象的注釋
* @throws UnsupportedEncodingException
*/
public static String getEntryComment(ZipEntry entry) throws UnsupportedEncodingException {
return new String(entry.getComment().getBytes(GB2312), 8859_1);
}
/**
* 取得壓縮文件對象的名稱
*
* @param entry 壓縮文件對象
* @return 壓縮文件對象的名稱
* @throws UnsupportedEncodingException
*/
public static String getEntryName(ZipEntry entry) throws UnsupportedEncodingException {
return new String(entry.getName().getBytes(GB2312), 8859_1);
}
/**
* 壓縮文件
*
* @param resFile 需要壓縮的文件(夾)
* @param zipout 壓縮的目的文件
* @param rootpath 壓縮的文件路徑
* @throws FileNotFoundException 找不到文件時(shí)拋出
* @throws IOException 當(dāng)壓縮過程出錯(cuò)時(shí)拋出
*/
private static void zipFile(File resFile, ZipOutputStream zipout, String rootpath)
throws FileNotFoundException, IOException {
rootpath = rootpath + (rootpath.trim().length() == 0 ? : File.separator)
+ resFile.getName();
rootpath = new String(rootpath.getBytes(8859_1), GB2312);
if (resFile.isDirectory()) {
File[] fileList = resFile.listFiles();
for (File file : fileList) {
zipFile(file, zipout, rootpath);
}
} else {
byte buffer[] = new byte[BUFF_SIZE];
BufferedInputStream in = new BufferedInputStream(new FileInputStream(resFile),
BUFF_SIZE);
zipout.putNextEntry(new ZipEntry(rootpath));
int realLength;
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