import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.nio.charset.Charset; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; import java.util.zip.ZipOutputStream; public class ZipUtil { static int k = 1; // 定义递归次数变量 public static void main(String[] args) { compression("D:\1111", "D:\usr\oracle\weblogic\user_projects\domains\spsj\files\spdbFolder\T0\HB11512900H000120161130001220112.zip"); decompression("D:\usr\oracle\weblogic\user_projects\domains\spsj\files\spdbFolder\T0\HB11512900H00012016113000122011.zip", "GBK", "D:\1222"); } /** * * @Description (压缩) * @throws Exception */ private static void compression(String inputFilePath, String outPutZip) { try { String zipFileName = outPutZip; File inputFile = new File(inputFilePath); System.out.println("压缩中..."); ZipOutputStream out = new ZipOutputStream(new FileOutputStream( zipFileName)); BufferedOutputStream bo = new BufferedOutputStream(out); zip(out, inputFile, inputFile.getName(), bo); bo.close(); out.close(); // 输出流关闭 System.out.println("压缩完成"); } catch (Exception e) { e.printStackTrace(); } } private static void zip(ZipOutputStream out, File inputFile, String base, BufferedOutputStream bo) throws Exception { // 方法重载 if (inputFile.isDirectory()) { File[] fl = inputFile.listFiles(); if (fl.length == 0) { out.putNextEntry(new ZipEntry(base + "/")); // 创建zip压缩进入点base System.out.println(base + "/"); } for (int i = 0; i < fl.length; i++) { zip(out, fl[i], base + "/" + fl[i].getName(), bo); // 递归遍历子文件夹 } System.out.println("第" + k + "次递归"); k++; } else { out.putNextEntry(new ZipEntry(base)); // 创建zip压缩进入点base System.out.println(base); FileInputStream in = new FileInputStream(inputFile); BufferedInputStream bi = new BufferedInputStream(in); int b; while ((b = bi.read()) != -1) { bo.write(b); // 将字节流写入当前zip目录 } bi.close(); in.close(); // 输入流关闭 } } /** * * @Description (解压) * @param zipPath zip路径 * @param charset 编码 * @param outPutPath 输出路径 */ private static void decompression(String zipPath, String charset, String outPutPath) { long startTime=System.currentTimeMillis(); try { ZipInputStream Zin=new ZipInputStream(new FileInputStream(zipPath), Charset.forName(charset));//输入源zip路径 BufferedInputStream Bin=new BufferedInputStream(Zin); String Parent = outPutPath; //输出路径(文件夹目录) File Fout=null; ZipEntry entry; try { while((entry = Zin.getNextEntry())!=null && !entry.isDirectory()){ Fout=new File(Parent,entry.getName()); if(!Fout.exists()){ (new File(Fout.getParent())).mkdirs(); } FileOutputStream out=new FileOutputStream(Fout); BufferedOutputStream Bout=new BufferedOutputStream(out); int b; while((b=Bin.read())!=-1){ Bout.write(b); } Bout.close(); out.close(); System.out.println(Fout+"解压成功"); } Bin.close(); Zin.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } long endTime=System.currentTimeMillis(); System.out.println("耗费时间: "+(endTime-startTime)+" ms"); } }