Zip压缩解压缩_已解决中文乱码

来源：互联网发布：php链接mysql数据库编辑：程序博客网时间：2024/04/30 06:37
package com.my.zip;import java.io.BufferedInputStream;import java.io.Closeable;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import java.util.zip.CRC32;import java.util.zip.CheckedOutputStream;import java.util.zip.ZipInputStream;import org.apache.tools.zip.ZipEntry;import org.apache.tools.zip.ZipOutputStream;/** * 文件、文件夹压缩为 zip包 <br /> * zip包解压 <br />   * 依赖jar包 <br /> * <dependency>  *  <groupId>org.apache.ant</groupId> *  <artifactId>apache-ant-zip</artifactId>  *  <version>1.8.0</version> * </dependency> */public class Zip {    private static final int BUFFER = 8192;    /**     * 设置压缩编码，解决中文文件名乱码问题     */    private static final String encoding = System.getProperty("sun.jnu.encoding");    static {        /**         * 解压依据的编码是sun.zip.encoding 所以需要设置 解压编码         */        System.setProperty("sun.zip.encoding", encoding);    }    private Zip() { }    /**     * 释放资源     * @param resources     */    private static void closeResource(Closeable... resources){        if(resources==null || resources.length < 1) return;        for (Closeable cur : resources) {            if(cur == null) continue;            if(cur instanceof ZipInputStream){                ZipInputStream zis = (ZipInputStream)cur;                try {                    zis.closeEntry();                } catch (IOException e) {                }            }            if(cur instanceof ZipOutputStream){                ZipOutputStream zos = (ZipOutputStream)cur;                try {                    zos.closeEntry();                } catch (IOException e) {                }            }            try {                cur.close();            } catch (IOException e) {            }        }    }    /**     * 执行压缩     * @param file     * @param out     * @param basedir     */    private static void doCompress(File file, ZipOutputStream out, String basedir) {        if (!file.exists()){            return;        }        if (file.isDirectory()) {            //压缩目录            File[] files = file.listFiles();            for (int i = 0; i < files.length; i++) {                doCompress(files[i], out, basedir + file.getName() + "/");            }        } else {            //压缩文件            BufferedInputStream bis = null;            try {                bis = new BufferedInputStream(new FileInputStream(file));                ZipEntry entry = new ZipEntry(basedir + file.getName());                out.putNextEntry(entry);                int count;                byte data[] = new byte[BUFFER];                while ((count = bis.read(data, 0, BUFFER)) != -1) {                    out.write(data, 0, count);                }            } catch (Exception e) {                throw new RuntimeException(e);            }finally{                closeResource(bis);            }        }    }    /**     * 获取当前时间     * @return     */    private static String getNowStr(){        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");        return sdf.format(new Date());    }    /**     * 配置压缩属性     * @param out     */    private static void configCompressProperties(ZipOutputStream out){        //设置文件名编码方式        out.setEncoding(encoding);        //设置压缩说明        out.setComment("\n压缩时间："+getNowStr()+" \n");    }    /**     * Zip压缩文件或者文件夹     * @param srcPathName 待压缩文件或者文件夹路径     * @param zipFileName 压缩后压缩文件存放路径     */    public static void compress(String srcPathName, String zipFileName) {        File file = new File(srcPathName);        File zipFile = new File(zipFileName);        if (!file.exists()){            throw new RuntimeException(srcPathName + "不存在！");        }        boolean isSuccessful = true;        ZipOutputStream out = null;        try {            CheckedOutputStream cos = new CheckedOutputStream(new FileOutputStream(zipFile), new CRC32());            out = new ZipOutputStream(cos);            //配置压缩属性            configCompressProperties(out);            //执行压缩            doCompress(file, out, "");        } catch (Exception e) {            isSuccessful = false;            throw new RuntimeException(e);        }finally{            closeResource(out);            System.out.println("压缩处理"+(isSuccessful ? "成功！": "失败！"));        }    }    /**     * Zip解压压缩包     * @param zipFilePath 压缩包路基     * @param destDir     解压后存放路径     */    public static void uncompress(String zipFilePath, String destDir) {        File dir = new File(destDir);        if (!dir.exists()){            dir.mkdirs();        }        boolean isSuccessful = true;        ZipInputStream zis = null;        FileOutputStream fos = null;        byte[] buffer = new byte[BUFFER];        try {            zis = new ZipInputStream(new FileInputStream(zipFilePath));            java.util.zip.ZipEntry ze = zis.getNextEntry();            while (ze != null) {                String fileName = ze.getName();                File newFile = new File(destDir + File.separator + fileName);                new File(newFile.getParent()).mkdirs();                fos = new FileOutputStream(newFile);                int len;                while ((len = zis.read(buffer)) > 0) {                    fos.write(buffer, 0, len);                }                fos.close();                zis.closeEntry();                ze = zis.getNextEntry();            }        } catch (IOException e) {            isSuccessful = false;            throw new RuntimeException(e);        }finally{            closeResource(fos, zis);            System.out.println("解压处理"+(isSuccessful ? "成功！": "失败！"));        }    }    /**     * 测试用例     */    public static void main(String[] args) {        String srcDir = "D:\\mytestdir";        String tarFile = "D:\\mytestdir.zip";        Zip.compress(srcDir, tarFile);        Zip.uncompress(tarFile, "d:\\mytestdir_uncompress");    }}
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