Java automatically decompresses the file instance code
- 2020-04-01 01:43:53
- OfStack
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class UnZipper {
@SuppressWarnings("rawtypes")
public static void unZipFiles(File zipFile)throws IOException{
//Get the directory where the compressed files are located
String path=zipFile.getAbsolutePath();
path=path.substring(0,path.lastIndexOf("\"));
// System.out.println("path "+path);
ZipFile zip = new ZipFile(zipFile);
for(Enumeration entries =zip.entries();
entries.hasMoreElements();){
ZipEntry entry = (ZipEntry)entries.nextElement();
String zipEntryName = entry.getName();
InputStream in = zip.getInputStream(entry);
//OutPath outputs the directory
String outPath = (path+"\"+zipEntryName).replaceAll("\*", "/");;
//System.out.println("outPath "+outPath);
//Determines if the path exists, and creates the file path if it does not
File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
if(!file.exists()){
file.mkdirs();
}
//Determine whether the full path of the file is a folder, if it has been uploaded above, do not need to unzip
if(new File(outPath).isDirectory()){
continue;
}
//Output file path information
System.out.println(outPath);
OutputStream out = new FileOutputStream(outPath);
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("****************** Extract the complete ********************");
}
public static void main(String[] args) {
try {
unZipFiles(new File("D:\all\zip\Default.adiumemoticonset.zip"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}