在 Java 中解壓縮檔案

package delftstack;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Java_Unzip {
    private static final int BUFFER_SIZE = 4096;
    public static void unzip(String ZipFilePath, String DestFilePath) throws IOException {
        File Destination_Directory = new File(DestFilePath);
        if (!Destination_Directory.exists()) {
        	Destination_Directory.mkdir();
        }
        ZipInputStream Zip_Input_Stream = new ZipInputStream(new FileInputStream(ZipFilePath));
        ZipEntry Zip_Entry = Zip_Input_Stream.getNextEntry();

        while (Zip_Entry != null) {
            String File_Path = DestFilePath + File.separator + Zip_Entry.getName();
            if (!Zip_Entry.isDirectory()) {

                extractFile(Zip_Input_Stream, File_Path);
            } else {

                File directory = new File(File_Path);
                directory.mkdirs();
            }
            Zip_Input_Stream.closeEntry();
            Zip_Entry = Zip_Input_Stream.getNextEntry();
        }
        Zip_Input_Stream.close();
    }

    private static void extractFile(ZipInputStream Zip_Input_Stream, String File_Path) throws IOException {
        BufferedOutputStream Buffered_Output_Stream = new BufferedOutputStream(new FileOutputStream(File_Path));
        byte[] Bytes = new byte[BUFFER_SIZE];
        int Read_Byte = 0;
        while ((Read_Byte = Zip_Input_Stream.read(Bytes)) != -1) {
        	Buffered_Output_Stream.write(Bytes, 0, Read_Byte);
        }
        Buffered_Output_Stream.close();
    }

    public static void main (String[] args) throws IOException {
    	String ZipFilePath = "delftstack.zip";
    	String DestFilePath	= "C:\\Users\\Sheeraz\\eclipse-workspace\\Demos";
    	unzip(ZipFilePath, DestFilePath);
    	System.out.println("Zip File extracted Successfully");
    }

}

Zip File extracted Successfully