import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;

public class ZipFileDemo {
 @SuppressWarnings("resource")
 public static void main(String args[]) throws Exception {
  File file = new File("d:" + File.separator + "test.zip");
  File outFile = null;
  ZipFile zipFile = new ZipFile(file);
  ZipInputStream zipInput = new ZipInputStream(new FileInputStream(file));
  ZipEntry entry = null;
  InputStream input = null;
  OutputStream out = null;
  while ((entry = zipInput.getNextEntry()) != null) {
   System.out.println("開始解壓縮" + entry.getName() + "文件。。。");
   outFile = new File("d:" + File.separator + entry.getName());
   if (!outFile.getParentFile().exists()) {
    outFile.getParentFile().mkdir();
   }
   if (!outFile.exists()) {
    outFile.createNewFile();
   }
   input = zipFile.getInputStream(entry);
   out = new FileOutputStream(outFile);
   int temp = 0;
   while ((temp = input.read()) != -1) {
   <SPAN style="WHITE-SPACE: pre"> </SPAN>//System.out.println(temp);
    out.write(temp);
   }
   input.close();
   out.close();
  }
  System.out.println("Done!");
 }
}