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【Java】 Java 解压，压缩 zip文件
作者:wzfz / 发布于2015/6/29/ 497

	import java.io.BufferedInputStream;
	import java.io.File;
	import java.io.FileInputStream;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.util.ArrayList;
	import java.util.LinkedList;
	import java.util.List;
	import java.util.zip.ZipEntry;
	import java.util.zip.ZipFile;
	import java.util.zip.ZipInputStream;
	import java.util.zip.ZipOutputStream;
	
	
	public class ZipUtil {
	
	 public static void unZip(String src,String target) throws IOException{
	 ZipInputStream zipIn=null;
	 ZipFile zip=null;
	 try {
	 zipIn = new ZipInputStream(new FileInputStream(src));
	 ZipEntry in=null;
	 zip=new ZipFile(src);
	 while((in=zipIn.getNextEntry())!=null){
	 File file=new File(target+in.getName());
	 if(in.getName().endsWith("/")){
	 file.mkdirs();
	 }
	 else{
	 byte[] b=IOUtil.getByteByInputStream(zip.getInputStream(in));
	 if(!new File(file.getParent()).exists()){
	 new File(file.getParent()).mkdirs();
	 }
	 FileOutputStream fout=new FileOutputStream(file);
	 fout.write(b);
	 fout.close();
	 }
	 }
	 zip.close();
	 } finally{
	 if(zipIn!=null){
	 zipIn.close();
	 }
	 if(zip!=null){
	 zip.close();
	 }
	 }
	 }
	 public static void inZip(List<File> files,String basePath,String target) throws IOException{
	 List<File> cfiles=new ArrayList<File>();
	 for (File file : files){
	 cfiles.add(file);
	 }
	 for (File file : cfiles) {
	 if(file.isDirectory()){
	 IOUtil.getAllFiles(file.toString(), files);
	 }
	 }
	 ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(target));
	 for (File file : files) {
	 System.out.println(file);
	 ZipEntry entry = null;
	 byte[] b = new byte[1024];
	 int len = 0;
	 if (file.isFile()) {
	 entry = new ZipEntry(file.toString().substring(basePath.length()));
	 zos.putNextEntry(entry);
	 InputStream is = new BufferedInputStream(new FileInputStream(file));
	 while ((len = is.read(b, 0, b.length)) != -1) {
	 zos.write(b, 0, len);
	 }
	 is.close();
	 }
	 else{
	
	 }
	 }
	 zos.close();
	
	 }
	 public static void main(String[] args) {
	 try {
	 List<File> files=new LinkedList<File>();
	 files.add(new File("D:/tmp"));
	 files.add(new File("D:/t2.jpg"));
	 inZip(files,"D:/","D:/1.zip");
	 unZip("D:/1.zip", "D:/tmp/");
	 } catch (IOException e) {
	 e.printStackTrace();
	 }
	 }
	}

	

	import java.io.ByteArrayOutputStream;
	import java.io.File;
	import java.io.FileInputStream;
	import java.io.FileNotFoundException;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.UnsupportedEncodingException;
	import java.util.List;
	
	public class IOUtil {
	
	 public static final byte[] getByteByInputStream(InputStream in) {
	 ByteArrayOutputStream bout = new ByteArrayOutputStream();
	 byte[] tempByte = new byte[1024];
	 try {
	 int length = 0;
	 while ((length = in.read(tempByte)) != -1) {
	 bout.write(tempByte, 0, length);
	 }
	 } catch (IOException e) {
	 e.printStackTrace();
	 } finally {
	 try {
	 in.close();
	 } catch (IOException e) {
	 e.printStackTrace();
	 }
	 }
	 return bout.toByteArray();
	 }
	
	 public static final String getStringInputStream(InputStream in) {
	 try {
	 return new String(getByteByInputStream(in),"UTF-8");
	 } catch (UnsupportedEncodingException e) {
	 e.printStackTrace();
	 }
	 return null;
	 }
	
	 public static final void getAllFiles(String path, List<File> files) {
	 getAllFilesByProfix(path, null, files);
	 }
	
	 public static final void getAllFilesByProfix(String path, String suffix,
	 List<File> files) {
	 File file = new File(path);
	 if (file.isDirectory()) {
	 File[] fs = file.listFiles();
	 if (fs != null) {
	 for (File file2 : fs) {
	 if (file2.isDirectory()) {
	 getAllFilesByProfix(file2.getPath(), suffix, files);
	 } else {
	 if (suffix != null) {
	 if (file2.toString().endsWith(suffix)) {
	 files.add(file2);
	 }
	 } else {
	 files.add(file2);
	 }
	 }
	 }
	 }
	
	 } else {
	 if (suffix != null) {
	 if (file.toString().endsWith(suffix)) {
	 files.add(file);
	 }
	 } else {
	 files.add(file);
	 }
	 }
	 }
	
	 public static void moveOrCopy(String filer,String tag,boolean isMove)
	 {
	 System.out.println(filer);
	 File f=new File(filer);
	 if(f.isDirectory())
	 {
	 File fs[]=new File(filer).listFiles();
	 tag=tag+"/"+f.getName();
	 new File(tag).mkdirs();
	 for(File fl:fs)
	 {
	 if(fl.isDirectory())
	 {
	 moveOrCopy(fl.toString(),tag,isMove);
	 }
	 else
	 {
	 moveOrCopyFile(fl.toString(),tag+"/"+fl.getName(),isMove);
	 }
	 }
	 }
	 else{
	 moveOrCopyFile(f.toString(),tag+"/"+f.getName(),isMove);
	 }
	 }
	
	 public static void writeStrToFile(String str,File file){
	 writeBytesToFile(str.getBytes(), file);
	 }
	
	 public static void writeBytesToFile(byte[] bytes,File file){
	 try {
	 FileOutputStream out = new FileOutputStream(file);
	 out.write(bytes);
	 out.close();
	 } catch (IOException e) {
	 e.printStackTrace();
	 }
	 }
	
	 public static void moveOrCopyFile(String src, String tag, boolean isMove) {
	 try {
	 long s = System.currentTimeMillis();
	 File f = new File(src);
	 FileInputStream in = new FileInputStream(f);
	 new File(tag).getParentFile().mkdirs();
	 FileOutputStream out = new FileOutputStream(tag);
	 // 小于1M(大小根据自己的情况而定)的文件直接一次性写入。
	 byte[] b = new byte[1024];
	 int length = 0;
	 while ((length = in.read(b)) != -1) {
	 out.write(b, 0, length);
	 }
	 // 一定要记得关闭流额。 不然其他程序那个文件无法进行操作
	 in.close();
	 out.close();
	 System.out.println(System.currentTimeMillis() - s);
	 if (isMove) {
	 f.delete();
	 }
	 } catch (FileNotFoundException e) {
	 e.printStackTrace();
	 } catch (IOException e) {
	 e.printStackTrace();
	 }
	 }
	}
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