![](/img/trans.png)
[英]Unzip .zip file from Assets folder to Internal Storage (Xamarin.Android)
[英]android unzip folder from zip file and read content from that folder
在我的一個應用程序中,我需要提取一個包含文件夾的zip文件,該文件夾包含圖像,這意味着abc.zip => adb(文件夾)=> abc.png我要提取圖像文件
我用下面的方法
private boolean extractFolder(File destination, File zipFile) throws ZipException, IOException
{
int BUFFER = 8192;
File file = zipFile;
//This can throw ZipException if file is not valid zip archive
ZipFile zip = new ZipFile(file);
// String newPath = destination.getAbsolutePath() + File.separator + FilenameUtils.removeExtension(zipFile.getName());
String newPath = destination.getAbsolutePath() + File.separator + zipFile.getName();
//Create destination directory
new File(newPath).mkdir();
Enumeration zipFileEntries = zip.entries();
//Iterate overall zip file entries
while (zipFileEntries.hasMoreElements())
{
ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
String currentEntry = entry.getName();
File destFile = new File(newPath, currentEntry);
File destinationParent = destFile.getParentFile();
//If entry is directory create sub directory on file system
destinationParent.mkdirs();
if (!entry.isDirectory())
{
//Copy over data into destination file
BufferedInputStream is = new BufferedInputStream(zip
.getInputStream(entry));
int currentByte;
byte data[] = new byte[BUFFER];
//orthodox way of copying file data using streams
FileOutputStream fos = new FileOutputStream(destFile);
BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER);
while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
dest.write(data, 0, currentByte);
}
dest.flush();
dest.close();
is.close();
}
}
return true;//some error codes etc.
}
但獲取zipfolder/foldername/ (Is a directory)
private void unzip(String src, String dest){
final int BUFFER_SIZE = 4096;
BufferedOutputStream bufferedOutputStream = null;
FileInputStream fileInputStream;
try {
fileInputStream = new FileInputStream(src);
ZipInputStream zipInputStream = new ZipInputStream(new BufferedInputStream(fileInputStream));
ZipEntry zipEntry;
while ((zipEntry = zipInputStream.getNextEntry()) != null){
String zipEntryName = zipEntry.getName();
String name = dest.substring(dest.lastIndexOf("/")-1);
File FileName = new File(FolderName);
if (!FileName.isDirectory()) {
try {
if (FileName.mkdir()) {
} else {
}
} catch (Exception e) {
e.printStackTrace();
}
}
File file = new File(FolderName+"/" +zipEntryName);
if (file.exists()){
} else {
if(zipEntry.isDirectory()){
file.mkdirs();
}else{
byte buffer[] = new byte[BUFFER_SIZE];
FileOutputStream fileOutputStream = new FileOutputStream(file);
bufferedOutputStream = new BufferedOutputStream(fileOutputStream, BUFFER_SIZE);
int count;
while ((count = zipInputStream.read(buffer, 0, BUFFER_SIZE)) != -1) {
bufferedOutputStream.write(buffer, 0, count);
}
bufferedOutputStream.flush();
bufferedOutputStream.close();
}
}
}
zipInputStream.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
試試這段代碼它對我有用。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.