用的apache的ant包,下载导入即可。由于过程比较简单,直接上代码。
代码可直接复制使用。
如果想在android上使用,记得要在AndroidManifest.xml里添加权限:
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Enumeration; import java.util.zip.ZipException; import org.apache.tools.zip.ZipEntry; import org.apache.tools.zip.ZipFile; /** * 可以处理中文文件名 */ public class jieya { public static void main(String[] args) { /** * 解压文件 */ File zipFile = new File("e:/压缩sdhjk.rar"); String path = "e:/zipfile/"; try { unZipFiles(zipFile, path); } catch (Exception e) { System.out.println("解压异常"); } } /** * 解压到指定目录 * * @param zipPath * @param descDir * @author isea533 */ public static void unZipFiles(String zipPath, String descDir) { try { unZipFiles(new File(zipPath), descDir); } catch (Exception e) { e.printStackTrace(); } } /** * 解压文件到指定目录 * * @param zipFile * @param descDir * @author isea533 */ @SuppressWarnings("rawtypes") public static void unZipFiles(File zipFile, String descDir) { File pathFile = new File(descDir); if (!pathFile.exists()) { pathFile.mkdirs(); } try { ZipFile zip = new ZipFile(zipFile); for (Enumeration entries = zip.getEntries(); entries .hasMoreElements();) { ZipEntry entry = (ZipEntry) entries.nextElement(); String zipEntryName = entry.getName(); InputStream in = zip.getInputStream(entry); String outPath = (descDir + zipEntryName) .replaceAll("\*", "/"); // 判断路径是否存在,不存在则创建文件路径 File file = new File(outPath.substring(0, outPath.lastIndexOf('/'))); if (!file.exists()) { file.mkdirs(); } // 判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压 if (new File(outPath).isDirectory()) { continue; } // 输出文件路径信息 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(); } } catch (ZipException e) { e.printStackTrace(); System.out.println("压缩文件打开异常"); } catch (FileNotFoundException e) { e.printStackTrace(); System.out.println("文件没有找到"); } catch (IOException e) { e.printStackTrace(); System.out.println("io异常"); } System.out.println("******************解压完毕********************"); } }