- 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;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- /**
- * 压缩,解压,删除,拷贝操作。
- *
- * 注意:此类中用到的压缩类ZipEntry等都来自于org.apache.tools包而非java.util。此包在ant.jar中有。
- *
- * * @author Tony
- */
- public class FileUtil {
- protected static Logger log = LoggerFactory.getLogger(FileUtil.class);
- /**
- *
- * 压缩文件
- *
- * @param inputFileName
- * 要压缩的文件或文件夹路径,例如:c:\\a.txt,c:\\a\
- *
- * @param outputFileName
- * 输出zip文件的路径,例如:c:\\a.zip
- *
- */
- public static void zip(String inputFileName, String outputFileName)
- throws Exception {
- ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
- outputFileName));
- zip(out, new File(inputFileName), "");
- log.debug("压缩完成!");
- out.closeEntry();
- out.close();
- }
- /**
- *
- * 压缩文件
- *
- * @param out
- * org.apache.tools.zip.ZipOutputStream
- *
- * @param file
- * 待压缩的文件
- *
- * @param base
- * 压缩的根目录
- *
- */
- private static void zip(ZipOutputStream out, File file, String base)
- throws Exception {
- if (file.isDirectory()) {
- File[] fl = file.listFiles();
- base = base.length() == 0 ? "" : base + File.separator;
- for (int i = 0; i < fl.length; i++) {
- zip(out, fl[i], base + fl[i].getName());
- }
- } else {
- out.putNextEntry(new ZipEntry(base));
- log.debug("添加压缩文件:" + base);
- FileInputStream in = new FileInputStream(file);
- int b;
- while ((b = in.read()) != -1) {
- out.write(b);
- }
- in.close();
- }
- }
- /**
- *
- * 解压zip文件
- *
- * @param zipFileName
- * 待解压的zip文件路径,例如:c:\\a.zip
- *
- * @param outputDirectory
- * 解压目标文件夹,例如:c:\\a\
- *
- */
- public static void unZip(String zipFileName, String outputDirectory)
- throws Exception {
- ZipFile zipFile = new ZipFile(zipFileName);
- try {
- Enumeration<?> e = zipFile.getEntries();
- ZipEntry zipEntry = null;
- createDirectory(outputDirectory, "");
- while (e.hasMoreElements()) {
- zipEntry = (ZipEntry) e.nextElement();
- log.debug("解压:" + zipEntry.getName());
- if (zipEntry.isDirectory()) {
- String name = zipEntry.getName();
- name = name.substring(0, name.length() - 1);
- File f = new File(outputDirectory + File.separator + name);
- f.mkdir();
- log.debug("创建目录:" + outputDirectory + File.separator + name);
- } else {
- String fileName = zipEntry.getName();
- fileName = fileName.replace('\\', '/');
- if (fileName.indexOf("/") != -1) {
- createDirectory(outputDirectory, fileName.substring(0,
- fileName.lastIndexOf("/")));
- fileName = fileName.substring(
- fileName.lastIndexOf("/") + 1,
- fileName.length());
- }
- File f = new File(outputDirectory + File.separator
- + zipEntry.getName());
- f.createNewFile();
- InputStream in = zipFile.getInputStream(zipEntry);
- FileOutputStream out = new FileOutputStream(f);
- byte[] by = new byte[1024];
- int c;
- while ((c = in.read(by)) != -1) {
- out.write(by, 0, c);
- }
- in.close();
- out.close();
- }
- }
- } catch (Exception ex) {
- System.out.println(ex.getMessage());
- } finally {
- zipFile.close();
- log.debug("解压完成!");
- }
- }
- }
来源: http://www.phpxs.com/code/1002564/