ZIP工具类

来源：互联网发布：网络授课系统编辑：程序博客网时间：2024/05/17 21:53
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 < fileList.length; i++) {                ZipFiles(folderString, fileString+ File.separator+fileList[i], zipOutputSteam);            }        }    }    /**     * 返回zip的文件输入流     * @param zipFileString  zip的名称     * @param fileString     ZIP的文件名     * @return InputStream     * @throws Exception     */    public static InputStream UpZip(String zipFileString, String fileString)throws Exception {        ZipFile zipFile = new ZipFile(zipFileString);        ZipEntry zipEntry = zipFile.getEntry(fileString);        return zipFile.getInputStream(zipEntry);    }    /**     * 返回ZIP中的文件列表（文件和文件夹）     * @param zipFileString     ZIP的名称     * @param bContainFolder    是否包含文件夹     * @param bContainFile      是否包含文件     * @return     * @throws Exception     */    public static List<File> GetFileList(String zipFileString, boolean bContainFolder, boolean bContainFile)throws Exception {        List<File> fileList = new ArrayList<File>();        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;    }}
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