java对zip进行压缩和解压

import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.Closeable;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.util.ArrayList;import java.util.Arrays;import java.util.List;import java.util.zip.ZipEntry;import java.util.zip.ZipInputStream;import java.util.zip.ZipOutputStream;/** *  Zip压缩解压缩 *  @author LuoZq */public final class ZipUtils {public static final String SUFFIX_NAME = "zip";/** *  压缩文件 *  @param zipFile 压缩文件名路径 *  @param fileList 待压缩的文件集合 *  @param isDeleteRes 如果出现同名压缩包, 是否删除原本的压缩包, 如果false,且出现同名则抛异常 *  @return 压缩后的压缩包File */public static File compress(String zipFile, List<File> fileList, boolean isDelete){File f = isCheckFileNameByZip(zipFile);return compress( f.getName(), f.getParent(), getFilePathArray(fileList), false, isDelete );}/** *  压缩文件 *  @param zipFile 压缩文件名路径 *  @param fileList 待压缩的文件集合 *  @return 压缩后的压缩包File */public static File compress(String zipFile, List<File> fileList){return compress( zipFile, fileList, true );}/** *  校验目标文件名称是否是zip格式 *  @param zipFile *  @return */private static File isCheckFileNameByZip(String zipFile){return new File(zipFile.substring(0, isCheckFileNameInZip(zipFile)));}/** *  校验目标文件名称是否是zip格式 *  @param zipFile *  @return */private static int isCheckFileNameInZip(String zipFile){int las = zipFile.lastIndexOf(".");if(las == -1){throw new RuntimeException( zipFile + " is not zip format! this format = ??? ");}String format = zipFile.substring(las + 1);if(!SUFFIX_NAME.equalsIgnoreCase(format)){throw new RuntimeException( zipFile + " is not zip format! this format = " + format);}return las;}private static String[] getFilePathArray (List<File> list){String[] strs = new String[list.size()];for(int index = 0; index < strs.length; index++){strs[index] = list.get(index).getPath();}return strs;}/** *  压缩文件 *  @param zipName 压缩文件名, 无需加后缀 *  @param zipFilePath 压缩路径 *  @param filePaths 待压缩的文件路径 *  @param isNewFolder 是否在压缩包新建同名文件夹 *  @param isDeleteRes 如果出现同名压缩包, 是否删除原本的压缩包, 如果false,且出现同名则抛异常 *  @return 压缩后的压缩包File */    private static File compress(String zipName,String zipFilePath, String[] filePaths, boolean isNewFolder, boolean isDeleteRes) {        File target = null;        File source = new File(zipFilePath);        if (source.exists()) {        String base = isNewFolder? zipName + File.separator: "";            zipName = zipName + "." + SUFFIX_NAME;// 压缩文件名=源文件名.zip            target = new File(source.getPath(), zipName);            if (target.exists()) {            if(!isDeleteRes){            throw new RuntimeException("Compression package name repetition !");            }            target.delete(); // 删除旧的文件            }            FileOutputStream fos = null;            ZipOutputStream zos = null;            try {                fos = new FileOutputStream(target);                zos = new ZipOutputStream(new BufferedOutputStream(fos));                // 添加对应的文件Entry                for(String fip:filePaths){                addEntry(base, new File(fip), zos);                }            } catch (IOException e) {                throw new RuntimeException(e);            } finally {                closeQuietly(zos, fos);            }        }        return target;    }    /**     *  解压文件     *  filePath所代表文件系统不能与targetStr一致     *  @param filePath 压缩文件路径     *  @param targetStr 解压至所在文件目录     */    public static void decompression(String filePath, String targetStr) {    isCheckFileNameInZip(filePath);        File source = new File(filePath);        if (source.exists()) {            ZipInputStream zis = null;            BufferedOutputStream bos = null;            try {                zis = new ZipInputStream(new FileInputStream(source));                ZipEntry entry = null;                while ((entry = zis.getNextEntry()) != null && !entry.isDirectory()) {                    File target = new File(targetStr, entry.getName());                    if (!target.getParentFile().exists()) {                    target.getParentFile().mkdirs();// 创建文件父目录                    }                    // 写入文件                    bos = new BufferedOutputStream(new FileOutputStream(target));                    int read = 0;                    byte[] buffer = new byte[1024 * 10];                    while ((read = zis.read(buffer, 0, buffer.length)) != -1) {                        bos.write(buffer, 0, read);                    }                    bos.flush();                }                zis.closeEntry();            } catch (Exception e) {                throw new RuntimeException(e);            } finally {                closeQuietly(zis, bos);            }        }    }    /**     *  扫描添加文件Entry     *  @param base 基路径     *  @param source 源文件     *  @param zos Zip文件输出流     *  @throws IOException     */    private static void addEntry(String base, File source, ZipOutputStream zos) throws IOException {        // 按目录分级，形如：/aaa/bbb.txt        String entry = base.concat(source.getName());        if (source.isDirectory()) {            for (File file : source.listFiles()) {                // 递归列出目录下的所有文件，添加文件Entry                addEntry(entry + File.separator, file, zos);            }        } else {            FileInputStream fis = null;            BufferedInputStream bis = null;            try {                byte[] buffer = new byte[1024 * 10];                fis = new FileInputStream(source);                bis = new BufferedInputStream(fis, buffer.length);                int read = 0;                zos.putNextEntry(new ZipEntry(entry));                while ((read = bis.read(buffer, 0, buffer.length)) != -1) {                    zos.write(buffer, 0, read);                }                zos.closeEntry();            } finally {                closeQuietly(bis, fis);            }        }    }private ZipUtils(){}/**     * 关闭一个或多个流对象     *      * @param closeables     *            可关闭的流对象列表     */    public static void closeQuietly(Closeable... closeables) {        try {        if (closeables != null && closeables.length > 0) {                for (Closeable closeable : closeables) {                    if (closeable != null) {                        closeable.close();                    }                }            }        } catch (IOException e) {            // do nothing        }    }        public static void main(String[] args) {    String res = "G://test";    List<File> list = Arrays.asList( new File(res).listFiles() );    compress("G://testOne.zip", list);    decompression("G://testOne.zip", "G://testOne1.zip");}}