Java实现zip解压缩目录中的所有文件，java实现zip解压缩,import java.

Java实现zip解压缩目录中的所有文件，java实现zip解压缩,import java.

import java.io.*;import java.util.*;import java.util.zip.*;public class FolderUnzip {private static String sourcepath="D:\\tmp";private static List<String>folderList=new ArrayList<String>(Arrays.asList(sourcepath));private static List<String>folderList2=new ArrayList<String>(Arrays.asList("E:\\tt"+File.separator+sourcepath.substring(sourcepath.lastIndexOf(File.separator))));private static FileInputStream fis = null;private static FileOutputStream fos = null;private static ZipInputStream zipin = null;    public static void main(String[] args) {        for (int j = 0; j < folderList.size(); j++) {            new File(folderList2.get(j)).mkdirs();            String[] file = new File(folderList.get(j)).list();            File temp = null;            for (int i = 0; i < file.length; i++) {                if (folderList.get(j).endsWith(File.separator))                    temp = new File(folderList.get(j), file[i]);                else                    temp = new File(folderList.get(j), file[i]);                File originalFile = null;                if (temp.getName().endsWith(".zip"))                    originalFile = new File(folderList2.get(j), temp.getName()                            .substring(0, temp.getName().lastIndexOf('.')));                if (temp.isFile() &amp;&amp; !originalFile.exists()) {                    try {                        fis = new FileInputStream(temp);                        zipin = new ZipInputStream(fis);            ZipEntry entry = zipin.getNextEntry();            fos = new FileOutputStream(new File(folderList2.get(j),entry.getName()));                        byte[] buffer = new byte[20480];                        int nNumber;                        while ((nNumber = zipin.read(buffer, 0, buffer.length)) != -1)                            fos.write(buffer, 0, nNumber);                        fos.flush();                    } catch (IOException e) {                        continue;                    } finally {                        try {                            zipin.close();                            fos.close();                            fis.close();                        } catch (IOException e) {                        }                    }                } else if (temp.isDirectory()) {                    folderList.add(folderList.get(j) + File.separator + file[i]);                    folderList2.add(folderList2.get(j) + File.separator+ file[i]);                }            }        }    }}