Android Zip解压缩工具类分享

 package com.example.zip.commons.utils; import android.util.Log; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.util.ArrayList; import java.util.List; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import java.util.zip.ZipInputStream; import java.util.zip.ZipOutputStream; /** * @author: lijuan * @description: 解压ZIP文件 * @date: 2017-04-11 * @time: 09:22 */ public class ZipUtils { public static final String TAG="ZIP"; public ZipUtils(){ } /** * 解压zip到指定的路径 * @param zipFileString ZIP的名称 * @param outPathString 要解压缩路径 * @throws Exception */ public static void UnZipFolder(String zipFileString, String outPathString) throws Exception { ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString)); ZipEntry zipEntry; String szName = ""; while ((zipEntry = inZip.getNextEntry()) != null) { szName = zipEntry.getName(); if (zipEntry.isDirectory()) { //获取部件的文件夹名 szName = szName.substring(0, szName.length() - 1); File folder = new File(outPathString + File.separator + szName); folder.mkdirs(); } else { Log.e(TAG,outPathString + File.separator + szName); File file = new File(outPathString + File.separator + szName); if (!file.exists()){ Log.e(TAG, "Create the file:" + outPathString + File.separator + szName); file.getParentFile().mkdirs(); file.createNewFile(); } // 获取文件的输出流 FileOutputStream out = new FileOutputStream(file); int len; byte[] buffer = new byte[1024]; // 读取（字节）字节到缓冲区 while ((len = inZip.read(buffer)) != -1) { // 从缓冲区（0）位置写入（字节）字节 out.write(buffer, 0, len); out.flush(); } out.close(); } } inZip.close(); } public static void UnZipFolder(String zipFileString, String outPathString,String szName) throws Exception { ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString)); ZipEntry zipEntry; while ((zipEntry = inZip.getNextEntry()) != null) { //szName = zipEntry.getName(); if (zipEntry.isDirectory()) { //获取部件的文件夹名 szName = szName.substring(0, szName.length() - 1); File folder = new File(outPathString + File.separator + szName); folder.mkdirs(); } else { Log.e(TAG,outPathString + File.separator + szName); File file = new File(outPathString + File.separator + szName); if (!file.exists()){ Log.e(TAG, "Create the file:" + outPathString + File.separator + szName); file.getParentFile().mkdirs(); file.createNewFile(); } // 获取文件的输出流 FileOutputStream out = new FileOutputStream(file); int len; byte[] buffer = new byte[1024]; // 读取（字节）字节到缓冲区 while ((len = inZip.read(buffer)) != -1) { // 从缓冲区（0）位置写入（字节）字节 out.write(buffer, 0, len); out.flush(); } out.close(); } } inZip.close(); } /** * 压缩文件和文件夹 * @param srcFileString 要压缩的文件或文件夹 * @param zipFileString 解压完成的Zip路径 * @throws Exception */ public static void ZipFolder(String srcFileString, String zipFileString)throws Exception { //创建ZIP ZipOutputStream outZip = new ZipOutputStream(new FileOutputStream(zipFileString)); //创建文件 File file = new File(srcFileString); //压缩 ZipFiles(file.getParent()+File.separator, file.getName(), outZip); //完成和关闭 outZip.finish(); outZip.close(); } /** * 压缩文件 * @param folderString * @param fileString * @param zipOutputSteam * @throws Exception */ private static void ZipFiles(String folderString, String fileString, ZipOutputStream zipOutputSteam)throws Exception{ if(zipOutputSteam == null) return; File file = new File(folderString+fileString); if (file.isFile()) { ZipEntry zipEntry = new ZipEntry(fileString); FileInputStream inputStream = new FileInputStream(file); zipOutputSteam.putNextEntry(zipEntry); int len; byte[] buffer = new byte[4096]; while((len=inputStream.read(buffer)) != -1) { zipOutputSteam.write(buffer, 0, len); } zipOutputSteam.closeEntry(); } else { //文件夹 String fileList[] = file.list(); //没有子文件和压缩 if (fileList.length <= 0) { ZipEntry zipEntry = new ZipEntry(fileString+File.separator); zipOutputSteam.putNextEntry(zipEntry); zipOutputSteam.closeEntry(); } //子文件和递归 for (int i = 0; i  GetFileList(String zipFileString, boolean bContainFolder, boolean bContainFile)throws Exception { List fileList = new ArrayList(); ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString)); ZipEntry zipEntry; String szName = ""; while ((zipEntry = inZip.getNextEntry()) != null) { szName = zipEntry.getName(); if (zipEntry.isDirectory()) { // 获取部件的文件夹名 szName = szName.substring(0, szName.length() - 1); File folder = new File(szName); if (bContainFolder) { fileList.add(folder); } } else { File file = new File(szName); if (bContainFile) { fileList.add(file); } } } inZip.close(); return fileList; } } 

 ZipUtils.UnZipFolder(AppConfig.DOWNLOAD_PATH + info.getFileName(), AppConfig.UNZIP_PATH);