本文是用Java语言实现，使用的是java的类库。
实现的代码片段如下：
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import java.util.zip.ZipEntry;import java.util.zip.ZipInputStream;import java.util.zip.ZipOutputStream;/**?????* 把一组文件压缩到指定的文件?????*?????* @param files?????* 文件组?????* @param zipFileName?????* 要压缩成的文件名(包括路径)?????* @param sPath?????* ZIP中的路径?????* @return 压缩文件?????*/????public static File compressFiles(File[] files,String zipFileName,String sPath)????{????????String sUploadPath = "test";????????File zipFile = new File(zipFileName);????????FileOutputStream fout = null;????????ZipOutputStream zipOut = null;????????ZipInputStream zipIn = null;????????FileInputStream fin = null;????????byte[] buff = new byte[1024];????????int rb;????????try????????{????????????if (zipFile.exists())????????????{????????????????File fileBak =?????????????????new File(zipFile.getAbsolutePath() + ".bak");????????????????if (zipFile.renameTo(fileBak))????????????????{????????????????????logger.debug("重命名文件成功：" + fileBak.getName());????????????????}????????????????fin = new FileInputStream(fileBak);????????????????zipIn = new ZipInputStream(fin);????????????????fout = new FileOutputStream(zipFile);????????????????zipOut = new ZipOutputStream(fout);????????????????ZipEntry ze = null;????????????????try????????????????{????????????????????while ((ze = zipIn.getNextEntry()) != null)????????????????????{????????????????????????zipOut.putNextEntry(ze);????????????????????????while ((rb = zipIn.read(buff)) != -1)????????????????????????{????????????????????????????zipOut.write(buff, 0, rb);????????????????????????}????????????????????}????????????????}????????????????catch (Exception e)????????????????{????????????????????logger.error("aa", e);????????????????}????????????????finally????????????????{????????????????????safeCloseInputStream(fin);????????????????????safeCloseInputStream(zipIn);????????????????????safeDeleteFile(fileBak);????????????????}????????????}????????????else????????????{????????????????fout = new FileOutputStream(zipFile);????????????????zipOut = new ZipOutputStream(fout);????????????}????????????ZipEntry ze = null;????????????for (int i = 0; i < files.length; i++)????????????{????????????????if (files[i] != null)????????????????{????????????????????try????????????????????{????????????????????????if (!files[i].exists())????????????????????????{????????????????????????????logger.error(?????????????????????????????files[i].getAbsolutePath() + "不存在");????????????????????????????continue;????????????????????????}????????????????????????fin = new FileInputStream(files[i]);????????????????????????if (StringUtils.isBlank(sPath))????????????????????????{????????????????????????????ze = new ZipEntry(files[i].getName());????????????????????????}????????????????????????else????????????????????????{?????????????????????????StringBuffer sbZipEntry = new StringBuffer();?????????????????????????sbZipEntry?????????????????????????????.append(sPath)?????????????????????????????.append(File.separator)?????????????????????????????.append(files[i].getAbsolutePath()?????????????????????????????.substring(sUploadPath.length()));?????????????????????????ze = new ZipEntry(sbZipEntry.toString());????????????????????????}????????????????????????zipOut.putNextEntry(ze);????????????????????????while ((rb = fin.read(buff)) != -1)????????????????????????{????????????????????????????zipOut.write(buff, 0, rb);????????????????????????}????????????????????}????????????????????finally????????????????????{????????????????????????safeCloseInputStream(fin);????????????????????}????????????????}????????????}????????????logger.info("文件压缩成功：" + zipFile.getName());????????????return zipFile;????????}????????catch (IOException e)????????{????????????logger.error(e);????????????safeDeleteFile(zipFile);????????????return null;????????}????????finally????????{????????????safeCloseOutStream(zipOut);????????????safeCloseOutStream(fout);????????}????} |