通过ZipOutputStream压缩文件夹中的文件
2017-09-15 20:25
387 查看
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.CRC32;
import java.util.zip.CheckedOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ZipCompressor {
private File zipFile;
public ZipCompressor(String pathName) {
zipFile = new File(pathName);
}
public void compress(String... pathName) {
ZipOutputStream out = null;
try {
FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
out = new ZipOutputStream(cos);
String basedir = "";
for (int i=0;i<pathName.length;i++){
compress(new File(pathName[i]), out, basedir);
}
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void compress(String srcPathName) {
File file = new File(srcPathName);
if (!file.exists())
throw new RuntimeException(srcPathName + "不存在!");
try {
FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
ZipOutputStream out = new ZipOutputStream(cos);
String basedir = "";
compress(file, out, basedir);
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void compress(File file, ZipOutputStream out, String basedir) {
/* 判断是目录还是文件 */
if (file.isDirectory()) {
System.out.println("压缩:" + basedir + file.getName());
this.compressDirectory(file, out, basedir);
} else {
System.out.println("压缩:" + basedir + file.getName());
this.compressFile(file, out, basedir);
}
}
/** 压缩一个目录 */
private void compressDirectory(File dir, ZipOutputStream out, String basedir) {
if (!dir.exists())
return;
File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
/* 递归 */
compress(files[i], out, basedir + dir.getName() + "/");
}
}
//压缩一个文件
public void compressFile(File file,ZipOutputStream out,String basedir){
//如果文件不存在直接返回
if(!file.exists())
return;
int count,byteLength=1024;
byte data[]=new byte[byteLength];
BufferedInputStream bis = null;
try{
bis =
new BufferedInputStream(new FileInputStream(file));
System.out.println(basedir+file.getName());
ZipEntry entry = new ZipEntry(basedir+file.getName());
out.putNextEntry(entry);
while((count=bis.read(data, 0, byteLength))!=-1){
System.out.println(data);
out.write(data,0,count);
}
}catch(IOException io){
}finally{
try{
bis.close();
}catch(IOException io){
}
}
}
public static void main(String[] args) {
ZipCompressor zc = new ZipCompressor("d:/test.zip");
zc.compress("d:/test");
}
}
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.CRC32;
import java.util.zip.CheckedOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ZipCompressor {
private File zipFile;
public ZipCompressor(String pathName) {
zipFile = new File(pathName);
}
public void compress(String... pathName) {
ZipOutputStream out = null;
try {
FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
out = new ZipOutputStream(cos);
String basedir = "";
for (int i=0;i<pathName.length;i++){
compress(new File(pathName[i]), out, basedir);
}
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void compress(String srcPathName) {
File file = new File(srcPathName);
if (!file.exists())
throw new RuntimeException(srcPathName + "不存在!");
try {
FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
CheckedOutputStream cos = new CheckedOutputStream(fileOutputStream,
new CRC32());
ZipOutputStream out = new ZipOutputStream(cos);
String basedir = "";
compress(file, out, basedir);
out.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void compress(File file, ZipOutputStream out, String basedir) {
/* 判断是目录还是文件 */
if (file.isDirectory()) {
System.out.println("压缩:" + basedir + file.getName());
this.compressDirectory(file, out, basedir);
} else {
System.out.println("压缩:" + basedir + file.getName());
this.compressFile(file, out, basedir);
}
}
/** 压缩一个目录 */
private void compressDirectory(File dir, ZipOutputStream out, String basedir) {
if (!dir.exists())
return;
File[] files = dir.listFiles();
for (int i = 0; i < files.length; i++) {
/* 递归 */
compress(files[i], out, basedir + dir.getName() + "/");
}
}
//压缩一个文件
public void compressFile(File file,ZipOutputStream out,String basedir){
//如果文件不存在直接返回
if(!file.exists())
return;
int count,byteLength=1024;
byte data[]=new byte[byteLength];
BufferedInputStream bis = null;
try{
bis =
new BufferedInputStream(new FileInputStream(file));
System.out.println(basedir+file.getName());
ZipEntry entry = new ZipEntry(basedir+file.getName());
out.putNextEntry(entry);
while((count=bis.read(data, 0, byteLength))!=-1){
System.out.println(data);
out.write(data,0,count);
}
}catch(IOException io){
}finally{
try{
bis.close();
}catch(IOException io){
}
}
}
public static void main(String[] args) {
ZipCompressor zc = new ZipCompressor("d:/test.zip");
zc.compress("d:/test");
}
}
相关文章推荐
- 通过ZipOutputStream压缩文件夹中的文件
- 用ZipInputStream和ZipOutputStream实现文件及文件夹的压缩解压
- QTP通过Winrar或者纯VBS代码压缩指定的文件或文件夹
- 利用java的ZipOutputStream类压缩文件,解压文件或文件夹中的文件
- 【原创】ASP.NET C# 压缩和解压缩文件、文件夹函数(测试通过)
- JAVA 文件处理 压缩文件或文件夹 ZipOutputStream ZipEntry 文件处理
- C#/ASP.NET/WinForm 通过ICSharpCode.SharpZipLib.dll实现文件夹、文件的压缩与解压
- linux通过if判断是否压缩文件和文件夹
- ajax传输,后台同步,后台json传输,文件,文件夹复制删除,查询,新建,在线压缩
- python的tarfile模块实例 python把文件夹压缩成tar格式文件的例子
- c# 通过文件夹共享复制文件到服务器
- C#怎么通过一个按钮Button,实现点击这个按钮可以打开一个文件或者文件夹?
- java.util.zip压缩打包文件总结一:压缩文件及文件下面的文件夹
- 动态解析文件夹下所有的压缩文件
- C# 利用WinRAR (加密)压缩及解压缩 相关文件夹及文件
- JAVA实现压缩文件或文件夹
- 如何压缩多个文件/文件夹(GZipStream and C#)
- 1.文件夹及文件压缩
- 解压,压缩 Windows文件 or 文件夹
- java 压缩、解压文件、文件夹。