class="java" name="code">package com.activiti.test; import java.io.File; import java.io.FileInputStream; 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; import org.apache.tools.zip.ZipOutputStream; public class ZipUtil { /** * 压缩 * * @param src * 源文件或者目录 * @param dest * 压缩文件路径 * @throws IOException */ public static void zip(String src, String dest) throws IOException { ZipOutputStream out = null; try { File outFile = new File(dest); out = new ZipOutputStream(outFile); File fileOrDirectory = new File(src); if (fileOrDirectory.isFile()) { zipFileOrDirectory(out, fileOrDirectory, ""); } else { File[] entries = fileOrDirectory.listFiles(); for (int i = 0; i < entries.length; i++) { // 递归压缩,更新curPaths zipFileOrDirectory(out, entries[i], ""); } } } catch (IOException ex) { ex.printStackTrace(); } finally { if (out != null) { try { out.close(); } catch (IOException ex) { } } } } /** * 递归压缩文件或目录 * * @param out * 压缩输出流对象 * @param fileOrDirectory * 要压缩的文件或目录对象 * @param curPath * 当前压缩条目的路径,用于指定条目名称的前缀 * @throws IOException */ private static void zipFileOrDirectory(ZipOutputStream out, File fileOrDirectory, String curPath) throws IOException { FileInputStream in = null; try { if (!fileOrDirectory.isDirectory()) { // 压缩文件 byte[] buffer = new byte[4096]; int bytes_read; in = new FileInputStream(fileOrDirectory); ZipEntry entry = new ZipEntry(curPath + fileOrDirectory.getName()); out.putNextEntry(entry); while ((bytes_read = in.read(buffer)) != -1) { out.write(buffer, 0, bytes_read); } out.closeEntry(); } else { // 压缩目录 File[] entries = fileOrDirectory.listFiles(); for (int i = 0; i < entries.length; i++) { // 递归压缩,更新curPaths zipFileOrDirectory(out, entries[i], curPath + fileOrDirectory.getName() + "/"); } } } catch (IOException ex) { ex.printStackTrace(); throw ex; } finally { if (in != null) { try { in.close(); } catch (IOException ex) { } } } } /** * 解压缩 * * @param zipFileName * 源文件 * @param outputDirectory * 解压缩后文件存放的目录 * @throws IOException */ @SuppressWarnings("rawtypes") public static void unzip(String zipFileName, String outputDirectory) throws IOException { ZipFile zipFile = null; try { zipFile = new ZipFile(zipFileName); Enumeration e = zipFile.getEntries(); ZipEntry zipEntry = null; File dest = new File(outputDirectory); dest.mkdirs(); while (e.hasMoreElements()) { zipEntry = (ZipEntry) e.nextElement(); String entryName = zipEntry.getName(); InputStream in = null; FileOutputStream out = null; try { if (zipEntry.isDirectory()) { String name = zipEntry.getName(); name = name.substring(0, name.length() - 1); File f = new File(outputDirectory + File.separator + name); f.mkdirs(); } else { int index = entryName.lastIndexOf("\\"); if (index != -1) { File df = new File(outputDirectory + File.separator + entryName.substring(0, index)); df.mkdirs(); } index = entryName.lastIndexOf("/"); if (index != -1) { File df = new File(outputDirectory + File.separator + entryName.substring(0, index)); df.mkdirs(); } File f = new File(outputDirectory + File.separator + zipEntry.getName()); // f.createNewFile(); in = zipFile.getInputStream(zipEntry); out = new FileOutputStream(f); int c; byte[] by = new byte[1024]; while ((c = in.read(by)) != -1) { out.write(by, 0, c); } out.flush(); } } catch (IOException ex) { ex.printStackTrace(); throw new IOException("解压失败:" + ex.toString()); } finally { if (in != null) { try { in.close(); } catch (IOException ex) { } } if (out != null) { try { out.close(); } catch (IOException ex) { } } } } } catch (IOException ex) { ex.printStackTrace(); throw new IOException("解压失败:" + ex.toString()); } finally { if (zipFile != null) { try { zipFile.close(); } catch (IOException ex) { } } } } public static void main(String[] args) { try { // ZipUtil.zip("C:\\Users\\pactera\\Downloads", "F:\\test.zip"); ZipUtil.unzip("F:\\test.zip", "F:\\test"); } catch (Exception e) { e.printStackTrace(); } } }
?maven 工程需引入jar ?的坐标
?
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<dependency> <groupId>org.apache.ant</groupId> <artifactId>ant</artifactId> <version>1.9.6</version> </dependency>
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?转载:http://www.codeweblog.com/apache-ant%E8%BF%9B%E8%A1%8Czip%E8%A7%A3%E5%8E%8B%E7%BC%A9%E6%93%8D%E4%BD%9C%E7%A4%BA%E4%BE%8B%E5%88%86%E4%BA%AB/