Zip文件解压 #Java

ZipUtil.java

package com.mcelf.TutorialMap.util;

import java.io.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

/**
 * @author evilwk <evilwk@gmail.com> on 2016/8/6 0006
 */
@SuppressWarnings("ResultOfMethodCallIgnored")
public class ZipUtil {

    public static final String EXT = ".zip";
    private static final String BASE_DIR = "";
    private static final String PATH = File.separator;
    private static final int BUFFER = 1024;

    public static void decompress(String srcPath) throws Exception {
        File srcFile = new File(srcPath);
        decompress(srcFile);
    }

    public static void decompress(File srcFile) throws Exception {
        String basePath = srcFile.getParent();
        decompress(srcFile, basePath);
    }

    public static void decompress(String srcPath, String destPath)
            throws Exception {
        File srcFile = new File(srcPath);
        decompress(srcFile, destPath);
    }

    public static void decompress(File srcFile, String destPath)
            throws Exception {
        decompress(srcFile, new File(destPath));
    }

    public static void decompress(File srcFile, File destFile) throws Exception {
        ZipInputStream zis = new ZipInputStream(new FileInputStream(srcFile));
        decompress(destFile, zis);
        zis.close();
    }

    public static void decompress(InputStream inputStream, File destFile) throws Exception {
        ZipInputStream zis = new ZipInputStream(inputStream);
        decompress(destFile, zis);
        zis.close();
    }

    private static void decompress(File destFile, ZipInputStream zis)
            throws Exception {

        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            String dir = destFile.getPath() + File.separator + entry.getName();
            File dirFile = new File(dir);
            if (entry.isDirectory()) {
                dirFile.mkdirs();
            } else {
                decompressFile(dirFile, zis);
            }
            zis.closeEntry();
        }
    }

    private static void decompressFile(File destFile, ZipInputStream zis)
            throws Exception {

        BufferedOutputStream outputStream = new BufferedOutputStream(
                new FileOutputStream(destFile));

        int readCount;
        byte data[] = new byte[BUFFER];
        while ((readCount = zis.read(data, 0, BUFFER)) != -1) {
            outputStream.write(data, 0, readCount);
        }

        outputStream.close();
    }
}