基于JDK的Zip压缩工具类代码,Java代码库,德仔网

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【Java】基于JDK的Zip压缩工具类
作者:dezaicn / 发布于2015/9/22/ 546
该版本存在问题：压缩时如果目录或文件名含有中文，压缩后会变成乱码

	package cn.chenfeng.zip;

	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.io.InputStream;
	import java.util.Enumeration;
	import java.util.zip.ZipEntry;
	import java.util.zip.ZipFile;
	import java.util.zip.ZipOutputStream;

	/**
	* 基于JDK的Zip压缩工具类
	*
	* <pre>
	* 存在问题：压缩时如果目录或文件名含有中文，压缩后会变成乱码
	* </pre>
	*
	* @author 陈峰
	*/
	public class JdkZipUtils {

	public static final int BUFFER_SIZE_DIFAULT = 128;

	public static void makeZip(String[] inFilePaths, String zipFilePath)
	 throws Exception {
	 File[] inFiles = new File[inFilePaths.length];
	 for (int i = 0; i < inFilePaths.length; i++) {
	 inFiles[i] = new File(inFilePaths[i]);
	 }
	 makeZip(inFiles, zipFilePath);
	}

	public static void makeZip(File[] inFiles, String zipFilePath)
	 throws Exception {
	 ZipOutputStream zipOut = new ZipOutputStream(new BufferedOutputStream(
	 new FileOutputStream(zipFilePath)));
	 for (int i = 0; i < inFiles.length; i++) {
	 doZipFile(zipOut, inFiles[i], inFiles[i].getParent());
	 }
	 zipOut.flush();
	 zipOut.close();
	}

	private static void doZipFile(ZipOutputStream zipOut, File file,
	 String dirPath) throws FileNotFoundException, IOException {
	 if (file.isFile()) {
	 BufferedInputStream bis = new BufferedInputStream(
	 new FileInputStream(file));
	 String zipName = file.getPath().substring(dirPath.length());
	 while (zipName.charAt(0) == '\\' || zipName.charAt(0) == '/') {
	 zipName = zipName.substring(1);
	 }
	 ZipEntry entry = new ZipEntry(zipName);
	 zipOut.putNextEntry(entry);
	 byte[] buff = new byte[BUFFER_SIZE_DIFAULT];
	 int size;
	 while ((size = bis.read(buff, 0, buff.length)) != -1) {
	 zipOut.write(buff, 0, size);
	 }
	 zipOut.closeEntry();
	 bis.close();
	 } else {
	 File[] subFiles = file.listFiles();
	 for (File subFile : subFiles) {
	 doZipFile(zipOut, subFile, dirPath);
	 }
	 }
	}

	public static void unZip(String zipFilePath, String storePath)
	 throws IOException {
	 unZip(new File(zipFilePath), storePath);
	}

	public static void unZip(File zipFile, String storePath) throws IOException {
	 if (new File(storePath).exists()) {
	 new File(storePath).delete();
	 }
	 new File(storePath).mkdirs();

	 ZipFile zip = new ZipFile(zipFile);
	 Enumeration<? extends ZipEntry> entries = zip.entries();
	 while (entries.hasMoreElements()) {
	 ZipEntry zipEntry = entries.nextElement();

	 if (zipEntry.isDirectory()) {
	 // TODO
	 } else {
	 String zipEntryName = zipEntry.getName();
	 if (zipEntryName.indexOf(File.separator) > 0) {
	 String zipEntryDir = zipEntryName.substring(0, zipEntryName
	 .lastIndexOf(File.separator) + 1);
	 String unzipFileDir = storePath + File.separator
	 + zipEntryDir;
	 File unzipFileDirFile = new File(unzipFileDir);
	 if (!unzipFileDirFile.exists()) {
	 unzipFileDirFile.mkdirs();
	 }
	 }

	 InputStream is = zip.getInputStream(zipEntry);
	 FileOutputStream fos = new FileOutputStream(new File(storePath
	 + File.separator + zipEntryName));
	 byte[] buff = new byte[BUFFER_SIZE_DIFAULT];
	 int size;
	 while ((size = is.read(buff)) > 0) {
	 fos.write(buff, 0, size);
	 }
	 fos.flush();
	 fos.close();
	 is.close();
	 }
	 }
	}

	public static void main(String[] args) throws Exception {
	 String rootDir = "D:\\chenfeng";
	 File[] inFiles = new File(rootDir).listFiles();
	 String zipPath = "D:\\ZipDemo.zip";

	 makeZip(inFiles, zipPath);

	 unZip(zipPath, "D:\\chenfeng_zip");
	}
	}
试试其它关键字
　Zip压缩　
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