import java.io.BufferedOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.util.Enumeration; import org.apache.tools.zip.ZipEntry; import org.apache.tools.zip.ZipFile; public class UnZip{ private static final int buffer = 10240;//10M /** * 將zip文件解壓爲文件夾 * @param path zip文件路徑 * @return */ public static String unZip(String path) { int count = -1; String targetPath = ""; File file = null; InputStream is = null; FileOutputStream fos = null; BufferedOutputStream bos = null; targetPath = path.substring(0, path.lastIndexOf(".")) + File.separator; // 保存解壓文件目錄 if(!new File(targetPath).exists()){ new File(targetPath).mkdir(); // 建立保存目錄 } ZipFile zipFile = null; try { zipFile = new ZipFile(path, "gbk"); // 解決中文亂碼問題 Enumeration<?> entries = zipFile.getEntries(); while (entries.hasMoreElements()) { byte buf[] = new byte[buffer]; ZipEntry entry = (ZipEntry) entries.nextElement(); String filename = entry.getName(); boolean ismkdir = false; if (filename.lastIndexOf("/") != -1) { // 檢查此文件是否帶文件夾 ismkdir = true; } filename = targetPath + filename; if (entry.isDirectory()) { // 若是是文件夾先建立 file = new File(filename); file.mkdirs(); continue; } file = new File(filename); if (!file.exists()) { // 若是是目錄先建立 if (ismkdir) { new File(filename.substring(0, filename.lastIndexOf("/"))).mkdirs(); // 目錄先建立 } } file.createNewFile(); // 建立文件 is = zipFile.getInputStream(entry); fos = new FileOutputStream(file); bos = new BufferedOutputStream(fos, buffer); while ((count = is.read(buf)) > -1) { bos.write(buf, 0, count); } bos.flush(); bos.close(); fos.close(); is.close(); } zipFile.close(); return targetPath; } catch (IOException ioe) { ioe.printStackTrace(); } finally { try { if (bos != null) { bos.close(); } if (fos != null) { fos.close(); } if (is != null) { is.close(); } if (zipFile != null) { zipFile.close(); } } catch (Exception e) { e.printStackTrace(); } } return ""; } public static void main(String[] args) { String filePath = "C:\\Users\\hwt\\Desktop\\6816.zip"; System.out.println(unZip(filePath)); } }