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