转自:http://blog.csdn.net/zdp072/article/details/44177925
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.InputStream;
- import java.io.OutputStream;
- import java.util.Enumeration;
- import java.util.zip.ZipEntry;
- import java.util.zip.ZipFile;
- import java.util.zip.ZipOutputStream;
- public class TestZIP {
- /**
- * 功能:压缩多个文件成一个zip文件
- * @param srcfile:源文件列表
- * @param zipfile:压缩后的文件
- */
- public static void zipFiles(File[] srcfile, File zipfile) {
- byte[] buf = new byte[1024];
- try {
- //ZipOutputStream类:完成文件或文件夹的压缩
- ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile));
- for (int i = 0; i < srcfile.length; i++) {
- FileInputStream in = new FileInputStream(srcfile[i]);
- out.putNextEntry(new ZipEntry(srcfile[i].getName()));
- int len;
- while ((len = in.read(buf)) > 0) {
- out.write(buf, 0, len);
- }
- out.closeEntry();
- in.close();
- }
- out.close();
- System.out.println("压缩完成.");
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- /**
- * 功能:解压缩
- * @param zipfile:需要解压缩的文件
- * @param descDir:解压后的目标目录
- */
- public static void unZipFiles(File zipfile, String descDir) {
- try {
- ZipFile zf = new ZipFile(zipfile);
- for (Enumeration entries = zf.entries(); entries.hasMoreElements();) {
- ZipEntry entry = (ZipEntry) entries.nextElement();
- String zipEntryName = entry.getName();
- InputStream in = zf.getInputStream(entry);
- OutputStream out = new FileOutputStream(descDir + zipEntryName);
- byte[] buf1 = new byte[1024];
- int len;
- while ((len = in.read(buf1)) > 0) {
- out.write(buf1, 0, len);
- }
- in.close();
- out.close();
- System.out.println("解压缩完成.");
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- /**功能:
- * @param args
- */
- public static void main(String[] args) {
- //2个源文件
- File f1 = new File("D:\\test\\1.csv");
- File f2 = new File("D:\\test\\2.xlsx");
- File[] srcfile = { f1, f2 };
- //压缩后的文件
- File zipfile = new File("D:\\test\\3.zip");
- TestZIP.zipFiles(srcfile, zipfile);
- //需要解压缩的文件
- File file = new File("D:\\test\\3.zip");
- //解压后的目标目录
- String dir = "D:\\test\\1\\";
- TestZIP.unZipFiles(file, dir);
- }
- }
来源: http://www.phpxs.com/code/1002306/