文件zip压缩与解压

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 压缩文件的工具类
 * 
 * 
 */
public class ZipFileUtil {
    private static final Logger LOG = LoggerFactory.getLogger(ZipCompressorFileUtil.class);

    /**
     * 压缩单个文件
     * 
     * @param filePath 需要压缩的文件
     * @param zipPath 压缩后的文件
     */
    public static void zipFile(String filePath, String zipPath) {
        LOG.info("--开始压缩单个文件---filePath:{},zipPath{}", filePath, zipPath);
        InputStream input = null;
        ZipOutputStream zipOut = null;
        try {
            File file = new File(filePath);
            File zipFile = new File(zipPath);
            input = new FileInputStream(file);
            zipOut = new ZipOutputStream(new FileOutputStream(zipFile));
            zipOut.putNextEntry(new ZipEntry(file.getName()));
            int temp = 0;
            while ((temp = input.read()) != -1) {
                zipOut.write(temp);
            }

        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
        } finally {
            IOUtils.closeQuietly(zipOut);
            IOUtils.closeQuietly(input);
        }
    }

    /**
     * 一次性压缩多个文件，文件存放至一个文件夹中
     * 
     * @param filePath 要压缩的文件夹
     * @param zipPath 压缩后的文件夹
     */
    public static void zipMultiFile(String filePath, String zipPath) {
        LOG.info("--开始压缩文件夹下的多个文件---filePath:{},zipPath{}", filePath, zipPath);
        ZipOutputStream zipOut = null;
        InputStream input = null;
        try {
            File targetFile = new File(filePath);// 要被压缩的文件夹
            File zipFile = new File(zipPath);

            zipOut = new ZipOutputStream(new FileOutputStream(zipFile));
            if (targetFile.isDirectory()) {
                File[] files = targetFile.listFiles();
                if (files != null && files.length > 0) {
                    for (File file : files) {
                        input = new FileInputStream(file);
                        zipOut.putNextEntry(new ZipEntry(file.getName() + File.separator + file.getName()));
                        int temp = 0;
                        while ((temp = input.read()) != -1) {
                            zipOut.write(temp);
                        }
                    }
                }
            }

        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
        } finally {
            IOUtils.closeQuietly(input);
            IOUtils.closeQuietly(zipOut);
        }
    }

    /**
     * 解压缩（解压缩单个文件）
     * 
     * @param zipPath 要解压的压缩文件路径和压缩文件名
     * @param outfilePath 解压后的路径和文件名
     * @param fileName 要解压的文件名
     */
    public static String zipContraFile(String zipPath, String outfilePath, String fileName) {
        InputStream input = null;
        OutputStream output = null;
        ZipFile zipFile = null;
        try {
            File file = new File(zipPath);//压缩文件路径和文件名
            File outFile = new File(outfilePath);//解压后路径和文件名
            zipFile = new ZipFile(file);
            ZipEntry entry = zipFile.getEntry(fileName);//要解压的文件名
            input = zipFile.getInputStream(entry);
            output = new FileOutputStream(outFile);
            int temp = 0;
            while ((temp = input.read()) != -1) {
                output.write(temp);
            }
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
        } finally {
            IOUtils.closeQuietly(input);
            IOUtils.closeQuietly(output);
            IOUtils.closeQuietly(zipFile);
        }
        return outfilePath;
    }

    /**
     * 解压缩（压缩文件中包含多个文件）可代替上面的方法使用。
     */
    public static void ZipContraMultiFile(String zippath, String outzippath) {
        ZipFile zipFile = null;
        ZipInputStream zipInput = null;
        InputStream input = null;
        OutputStream output = null;
        try {
            File file = new File(zippath);
            File outFile = null;
            zipFile = new ZipFile(file);
            zipInput = new ZipInputStream(new FileInputStream(file));
            ZipEntry entry = null;
            while ((entry = zipInput.getNextEntry()) != null) {
                LOG.info("解压缩" + entry.getName() + "文件");
                outFile = new File(outzippath + File.separator + entry.getName());
                if (!outFile.getParentFile().exists()) {
                    outFile.getParentFile().mkdir();
                }
                if (!outFile.exists()) {
                    outFile.createNewFile();
                }
                input = zipFile.getInputStream(entry);
                output = new FileOutputStream(outFile);
                int temp = 0;
                while ((temp = input.read()) != -1) {
                    output.write(temp);
                }
            }
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
        } finally {
            IOUtils.closeQuietly(zipInput);
            IOUtils.closeQuietly(zipFile);
            IOUtils.closeQuietly(input);
            IOUtils.closeQuietly(output);
        }
    }