Java解压缩Zip文件（支持中文）
最近有个项目需要用Java做解压缩Zip文件，由于JDK自带的zip相关的类都不支持以中文命名的文件，所以在网上搜索了些资料，自己花了点时间研究了下。希望和大家分享下，有不足的地方还多多指教。废话不多说，直接看代码吧！（记住：在classpath里面一定要引入ant.jar这个jar包。）
package org.zapldy.io;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.Enumeration;import org.apache.tools.zip.ZipEntry;import org.apache.tools.zip.ZipFile;import org.apache.tools.zip.ZipOutputStream;public abstract class ZipUtils { public static void zip(String source, String dest) throws IOException {OutputStream os = new FileOutputStream(dest);BufferedOutputStream bos = new BufferedOutputStream(os);ZipOutputStream zos = new ZipOutputStream(bos); //支持中文，但有缺陷！这是硬编码！zos.setEncoding("GBK"); File file = new File(source);String basePath = null;if (file.isDirectory()) { basePath = file.getPath();} else { basePath = file.getParent();}zipFile(file, basePath, zos);zos.closeEntry();zos.close(); } public static void unzip(String zipFile, String dest) throws IOException {ZipFile zip = new ZipFile(zipFile);Enumeration<ZipEntry> en = zip.getEntries();ZipEntry entry = null;byte[] buffer = new byte;int length = -1;InputStream input = null;BufferedOutputStream bos = null;File file = null;while (en.hasMoreElements()) { entry = (ZipEntry) en.nextElement(); if (entry.isDirectory()) { file = new File(dest, entry.getName()); if (!file.exists()) { file.mkdir(); } continue; } input = zip.getInputStream(entry); file = new File(dest, entry.getName()); if (!file.getParentFile().exists()) { file.getParentFile().mkdirs(); } bos = new BufferedOutputStream(new FileOutputStream(file)); while (true) { length = input.read(buffer); if (length == -1) break; bos.write(buffer, 0, length); } bos.close(); input.close();}zip.close(); } private static void zipFile(File source, String basePath, ZipOutputStream zos) throws IOException {File[] files = new File;if (source.isDirectory()) { files = source.listFiles();} else { files = new File; files = source;}String pathName;byte[] buf = new byte;int length = 0;for (File file : files) { if (file.isDirectory()) { pathName = file.getPath().substring(basePath.length() + 1) + "/"; zos.putNextEntry(new ZipEntry(pathName)); zipFile(file, basePath, zos); } else { pathName = file.getPath().substring(basePath.length() + 1); InputStream is = new FileInputStream(file); BufferedInputStream bis = new BufferedInputStream(is); zos.putNextEntry(new ZipEntry(pathName)); while ((length = bis.read(buf)) > 0) { zos.write(buf, 0, length); } is.close(); }} }}
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