1、解压缩
package zuo.file.zip.unzip;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
/**
* @author
*
*/
public class ReadZipFile {
public static void main(String[] args) throws Exception {
try {
readZipFile("D:\\ztree.zip");
} catch (Exception e) {
e.printStackTrace();
}
}
public static void readZipFile(String file) throws Exception {
ZipFile zf = new ZipFile(file);
InputStream in = new BufferedInputStream(new FileInputStream(file));
ZipInputStream zin = new ZipInputStream(in);
ZipEntry ze;
while ((ze = zin.getNextEntry()) != null) {
if (ze.isDirectory()) {
System.out.println("文件夹路径:---"+ze.getName());
} else {
System.out.println("文件路径:---"+ze.getName());
String fileName = ze.getName().substring(ze.getName().lastIndexOf("/")+1);
System.out.println("文件名称:---"+fileName);
//有数据
if (ze.getSize() > 0) {
//现在d:盘根目录下新建一个test的空文件夹,将zip数据写进去
FileUtils.copyInputStreamToFile(zf.getInputStream(ze), new File("d:\\test/"+picName));
}
}
}
zin.closeEntry();
}
}
2、压缩
package zuo.file.zip.zipandunzip;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;
/**
* @source http://my.oschina.net/woqi/blog/11134
* @author
*
*/
public class ZipUtil {
/**
* 压缩
* @param src
* 源文件或者目录
* @param dest
* 压缩文件路径
* @throws IOException
*/
public static void zip(String src, String dest) throws IOException {
ZipOutputStream out = null;
try {
File outFile = new File(dest);
out = new ZipOutputStream(outFile);
File fileOrDirectory = new File(src);
if (fileOrDirectory.isFile()) {
zipFileOrDirectory(out, fileOrDirectory, "");
} else {
File[] entries = fileOrDirectory.listFiles();
for (int i = 0; i < entries.length; i++) {
zipFileOrDirectory(out, entries[i], "");
}
}
} catch (IOException ex) {
ex.printStackTrace();
} finally {
if (out != null) {
try {
out.close();
} catch (IOException ex) {
}
}
}
}
/**
* 递归压缩文件或目录
*
* @param out
* 压缩输出流对象
* @param fileOrDirectory
* 要压缩的文件或目录对象
* @param curPath
* 当前压缩条目的路径，用于指定条目名称的前缀
* @throws IOException
*/
private static void zipFileOrDirectory(ZipOutputStream out, File fileOrDirectory, String curPath) throws IOException {
FileInputStream in = null;
try {
if (!fileOrDirectory.isDirectory()) {
// 压缩文件
byte[] buffer = new byte[4096];
int bytes_read;
in = new FileInputStream(fileOrDirectory);
ZipEntry entry = new ZipEntry(curPath + fileOrDirectory.getName());
out.putNextEntry(entry);
while ((bytes_read = in.read(buffer)) != -1) {
out.write(buffer, 0, bytes_read);
}
out.closeEntry();
} else {
// 压缩目录
File[] entries = fileOrDirectory.listFiles();
for (int i = 0; i < entries.length; i++) {
// 递归压缩，更新curPaths
zipFileOrDirectory(out, entries[i], curPath + fileOrDirectory.getName() + "/");
}
}
} catch (IOException ex) {
ex.printStackTrace();
throw ex;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException ex) {
}
}
}
}
public static void main(String[] args) {
try {
ZipUtil.zip("F:\\temp", "F:\\test.zip");
} catch (Exception e) {
e.printStackTrace();
}
}
}