工作_多源文件压缩到指定目录下

依赖:

<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-compress -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-compress</artifactId>
            <version>1.9</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.2</version>
        </dependency>

代码:

package com.lin.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.management.RuntimeErrorException;

import org.apache.commons.compress.archivers.ArchiveException;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.apache.commons.compress.utils.IOUtils;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class ZipUtils {
    private static final String ENCODING = "UTF-8";
    private static final String FILE_ZIP = ".zip";
    private static final int BUF = 1024;
    private static final Log LOG = LogFactory.getLog(ZipUtils.class);

    /**
     * @param f
     * @param rootPath
     * @return
     */
    @SuppressWarnings("unused")
    private String getEntryName(File f, String rootPath) {
        String entryName;
        String fPath = f.getAbsolutePath();
        if (fPath.indexOf(rootPath) != -1) {
            entryName = fPath.substring(rootPath.length() + 1);
        } else {
            entryName = f.getName();
        }
        if (f.isDirectory()) {
            entryName += "/";
        }
        return entryName;
    }

    /**
     * 多源文件压缩到指定目录下
     * 
     * @param list
     * @param rootPath
     * @param zipName
     * @author xuewb
     * @throws ArchiveException
     *             ,IOException
     */
    public void doFileZips(List<String[]> list, String outPath, String zipName)
            throws ArchiveException, IOException {
        File fo = new File(outPath);
        if (!fo.exists()) {
            fo.mkdirs();
        }
        ZipArchiveOutputStream zos = new ZipArchiveOutputStream(
                new FileOutputStream(FilenameUtils.concat(outPath, zipName)));
        zos.setEncoding(ENCODING);
        ZipArchiveEntry ze = null;
        String[] arr = new String[2];
        try {
            for (int i = 0; i < list.size(); i++) {
                arr = list.get(i);
                if (StringUtils.isNotEmpty(arr[0])) {
                    File dir = new File(arr[0]);
                    if (!dir.exists()) {
                        continue;
                    }
                    ze = new ZipArchiveEntry(
                            StringUtils.isNotEmpty(arr[1]) ? arr[1]
                                    : getEntryName(dir, outPath));
                    zos.putArchiveEntry(ze);
                    if (ze.isDirectory()) {
                        zos.closeArchiveEntry();
                        continue;
                    }
                    FileInputStream fis = new FileInputStream(dir);
                    IOUtils.copy(fis, zos, BUF);
                    fis.close();
                    zos.closeArchiveEntry();
                }
            }
            zos.close();
        } catch (Exception e) {
            LOG.error("压缩文件异常", e);
            throw new RuntimeException(e);
        } finally {
            try {
                if (zos != null) {
                    zos.close();
                }
            } catch (IOException e) {
                LOG.error("关闭流异常", e);
                throw new RuntimeException(e);
            }
        }
    }

    public static void main(String[] args) throws ArchiveException, IOException {
        long beginTime = System.currentTimeMillis();
        List<String[]> list = new ArrayList<String[]>();
        String[] arr1 = new String[2];
        arr1[0] = "D:\\1\\2\\1.docx";
        arr1[1] = "指导说明.docx";
        list.add(arr1);
        String[] arr2 = new String[2];
        arr2[0] = "D:\\1\\2\\1.txt";
        arr2[1] = "激活码.txt";
        list.add(arr2);
        String[] arr3 = new String[2];
        arr3[0] = "D:\\1\\2\\1.txt";
        arr3[1] = "";
        list.add(arr3);
        new ZipUtils().doFileZips(list, "D:\\1\\3\\", "压缩文件qwer123.zip");
        long endTime = System.currentTimeMillis();
        System.out.println(endTime - beginTime);
    }
}