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package io;import java.io.*;import java.util.zip.ZipEntry;import java.util.zip.ZipFile;import java.util.zip.ZipInputStream;import java.util.zip.ZipOutputStream;/** * ZipUtils 压缩文件帮助类 * Created by heqianqian on 2017/4/14. */public class ZipUtils {
       /**     * 压缩单个文件     *     * @param source 源文件     * @param dest   目的文件     */    public static void zipFile(File source, File dest) {        InputStream inputStream = null;        ZipOutputStream zipOutputStream = null;        try {            inputStream = new FileInputStream(source);            zipOutputStream = new ZipOutputStream(new FileOutputStream(dest));            zipOutputStream.putNextEntry(new ZipEntry(source.getName()));            byte b[] = new byte[1024];            while (inputStream.read(b) != -1) {                zipOutputStream.write(b);            }        } catch (FileNotFoundException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                inputStream.close();                zipOutputStream.close();            } catch (IOException e) {                e.printStackTrace();            }        }    }    /**     * 压缩多个文件     *     * @param dir  源文件目录     * @param dest 目的文件     */    public static void zipFiles(File dir, File dest) {        if (dir.isDirectory()) {            zipFiles(dir.listFiles(), dest);        }    }    /**     * 压缩多个文件     *     * @param files 源文件数组     * @param dest  目的文件     */    public static void zipFiles(File[] files, File dest) {        InputStream inputStream = null;        ZipOutputStream zipOutputStream = null;        try {            zipOutputStream = new ZipOutputStream(new FileOutputStream(dest));            for (File f : files) {                inputStream = new FileInputStream(f);                zipOutputStream.putNextEntry(new ZipEntry(f.getName()));                byte b[] = new byte[1024];                while (inputStream.read(b) != -1) {                    zipOutputStream.write(b);                }            }        } catch (FileNotFoundException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                inputStream.close();                zipOutputStream.close();            } catch (IOException e) {                e.printStackTrace();            }        }    }    /**     * 解压多个文件     *     * @param file 待解压文件     */    public static void unzipFiles(File file) {        String path = file.getParent();        File outFile = null;        InputStream inputStream = null;        OutputStream outputStream = null;        ZipInputStream zipInputStream = null;        ZipEntry entry;        try {            ZipFile zipFile = new ZipFile(file);            zipInputStream = new ZipInputStream(new FileInputStream(file));            while ((entry = zipInputStream.getNextEntry()) != null) {                outFile = new File(path + File.separator + entry.getName());                if (!outFile.getParentFile().exists()) {                    outFile.getParentFile().mkdir();                }                if (!outFile.exists()) {                    outFile.createNewFile();                }                inputStream = zipFile.getInputStream(entry);                outputStream = new FileOutputStream(outFile);                int temp = 0;                while ((temp = inputStream.read()) != -1) {                    outputStream.write(temp);                }            }        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                inputStream.close();                outputStream.close();                zipInputStream.close();            } catch (IOException e) {                e.printStackTrace();            }        }    }}

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