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package weaver.interfaces.workflow.action.basehelper; import java.io.*; import java.nio.charset.Charset; import java.util.Enumeration; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import java.util.zip.ZipInputStream; public class zip { private static final int BUFFER_SIZE = 4096; public static void unzip(String zipFilePath, String destDirectory) throws IOException { File destDir = new File(destDirectory); if (!destDir.exists()) { destDir.mkdir(); } ZipInputStream zipIn = new ZipInputStream(new FileInputStream(zipFilePath)); ZipEntry entry = zipIn.getNextEntry(); while (entry != null) { String filePath = destDirectory + File.separator + entry.getName(); if (!entry.isDirectory()) { // if the entry is a file, extracts it extractFile(zipIn, filePath, zipFilePath); } else { // if the entry is a directory, make the directory File dir = new File(filePath); dir.mkdir(); } zipIn.closeEntry(); entry = zipIn.getNextEntry(); } zipIn.close(); } private static void extractFile(ZipInputStream zipIn, String filePath, String zipFilePath) throws IOException { BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath)); byte[] bytesIn = new byte[BUFFER_SIZE]; int read = 0; while ((read = zipIn.read(bytesIn)) != -1) { bos.write(bytesIn, 0, read); } File oldName = new File(filePath); System.out.println(oldName); String str = zipFilePath.substring(zipFilePath.lastIndexOf("\\") + 1, zipFilePath.lastIndexOf(".")); System.out.println(str); File zipPath = new File(zipFilePath); System.out.println(zipPath.getParent()); File newName = new File(zipPath.getParent() + "\\" + str); System.out.println(newName); if (oldName.renameTo(newName)) { System.out.println("Renamed"); } else { System.out.println("Not Renamed"); } bos.close(); } public static Boolean unzip1(String fileName, String unZipPath, String rename) throws Exception { boolean flag = false; File zipFile = new File(fileName); ZipFile zip = null; try { //指定编码，否则压缩包里面不能有中文目录 zip = new ZipFile(zipFile, Charset.forName("GBK")); for (Enumeration entries = zip.entries(); entries.hasMoreElements(); ) { ZipEntry entry = null; try { entry = (ZipEntry) entries.nextElement(); } catch (Exception e) { return flag; } String zipEntryName = entry.getName(); InputStream in = zip.getInputStream(entry); String[] split = rename.split("\n"); for (int i = 0; i < split.length; i++) { zipEntryName = zipEntryName.replace(split[i], " ");//这里可以替换原来的名字 } String outPath = (unZipPath + zipEntryName).replace("/", File.separator); //解压重命名 //判断路径是否存在,不存在则创建文件路径 File outfilePath = new File(outPath.substring(0, outPath.lastIndexOf(File.separator))); if (!outfilePath.exists()) { outfilePath.mkdirs(); } //判断文件全路径是否为文件夹 if (new File(outPath).isDirectory()) { continue; } //保存文件路径信息 //urlList.add(outPath); System.out.println(outPath); OutputStream out = new FileOutputStream(outPath); byte[] buf1 = new byte[2048]; int len; while ((len = in.read(buf1)) > 0) { out.write(buf1, 0, len); } in.close(); out.close(); File file = new File(outPath); file.renameTo(new File(rename)); } flag = true; //必须关闭，否则无法删除该zip文件 zip.close(); } catch (IOException e) { flag = false; } return flag; } }