JAVA实现把指定文件夹下的所有文件压缩成zip包

JAVA实现把指定文件夹下的所有文件压缩成zip包

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<span class="link_postdate">2014-03-05 15:46</span>
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1.代码如下：

[java] view plain copy print?



<span style=“font-size:18px;background-color: rgb(204, 204, 204);”>package cn.gov.csrc.base.util;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* 将文件夹下面的文件
* 打包成zip压缩文件
*
* @author admin
*
*/
public final class FileToZip {

private FileToZip(){}

/**
* 将存放在sourceFilePath目录下的源文件，打包成fileName名称的zip文件，并存放到zipFilePath路径下
* @param sourceFilePath :待压缩的文件路径
* @param zipFilePath :压缩后存放路径
* @param fileName :压缩后文件的名称
* @return
*/
public static boolean fileToZip(String sourceFilePath,String zipFilePath,String fileName){
boolean flag = false;
File sourceFile = new File(sourceFilePath);
11cc0

FileInputStream fis = null;
BufferedInputStream bis = null;
FileOutputStream fos = null;
ZipOutputStream zos = null;

if(sourceFile.exists() == false){
System.out.println(”待压缩的文件目录：”+sourceFilePath+“不存在.”);
}else{
try {
File zipFile = new File(zipFilePath + “/” + fileName +“.zip”);
if(zipFile.exists()){
System.out.println(zipFilePath + ”目录下存在名字为:” + fileName +“.zip” +“打包文件.”);
}else{
File[] sourceFiles = sourceFile.listFiles();
if(null == sourceFiles || sourceFiles.length<1){
System.out.println(”待压缩的文件目录：” + sourceFilePath + “里面不存在文件，无需压缩.”);
}else{
fos = new FileOutputStream(zipFile);
zos = new ZipOutputStream(new BufferedOutputStream(fos));
byte[] bufs = new byte[1024*10];
for(int i=0;i<sourceFiles.length;i++){
//创建ZIP实体，并添加进压缩包
ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName());
zos.putNextEntry(zipEntry);
//读取待压缩的文件并写进压缩包里
fis = new FileInputStream(sourceFiles[i]);
bis = new BufferedInputStream(fis, 1024*10);
int read = 0;
while((read=bis.read(bufs, 0, 1024*10)) != -1){
zos.write(bufs,0,read);
}
}
flag = true;
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
throw new RuntimeException(e);
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException(e);
} finally{
//关闭流
try {
if(null != bis) bis.close();
if(null != zos) zos.close();
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
}
return flag;
}

public static void main(String[] args){
String sourceFilePath = ”D:\\TestFile”;
String zipFilePath = ”D:\\tmp”;
String fileName = ”12700153file”;
boolean flag = FileToZip.fileToZip(sourceFilePath, zipFilePath, fileName);
if(flag){
System.out.println(”文件打包成功!”);
}else{
System.out.println(”文件打包失败!”);
}
}

}
</span>

package cn.gov.csrc.base.util;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* 将文件夹下面的文件
* 打包成zip压缩文件
*
* @author admin
*
*/
public final class FileToZip {

private FileToZip(){}

/**
* 将存放在sourceFilePath目录下的源文件，打包成fileName名称的zip文件，并存放到zipFilePath路径下
* @param sourceFilePath :待压缩的文件路径
* @param zipFilePath :压缩后存放路径
* @param fileName :压缩后文件的名称
* @return
*/
public static boolean fileToZip(String sourceFilePath,String zipFilePath,String fileName){
boolean flag = false;
File sourceFile = new File(sourceFilePath);
FileInputStream fis = null;
BufferedInputStream bis = null;
FileOutputStream fos = null;
ZipOutputStream zos = null;

if(sourceFile.exists() == false){
System.out.println("待压缩的文件目录："+sourceFilePath+"不存在.");
}else{
try {
File zipFile = new File(zipFilePath + "/" + fileName +".zip");
if(zipFile.exists()){
System.out.println(zipFilePath + "目录下存在名字为:" + fileName +".zip" +"打包文件.");
}else{
File[] sourceFiles = sourceFile.listFiles();
if(null == sourceFiles || sourceFiles.length<1){
System.out.println("待压缩的文件目录：" + sourceFilePath + "里面不存在文件，无需压缩.");
}else{
fos = new FileOutputStream(zipFile);
zos = new ZipOutputStream(new BufferedOutputStream(fos));
byte[] bufs = new byte[1024*10];
for(int i=0;i<sourceFiles.length;i++){
//创建ZIP实体，并添加进压缩包
ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName());
zos.putNextEntry(zipEntry);
//读取待压缩的文件并写进压缩包里
fis = new FileInputStream(sourceFiles[i]);
bis = new BufferedInputStream(fis, 1024*10);
int read = 0;
while((read=bis.read(bufs, 0, 1024*10)) != -1){
zos.write(bufs,0,read);
}
}
flag = true;
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
throw new RuntimeException(e);
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException(e);
} finally{
//关闭流
try {
if(null != bis) bis.close();
if(null != zos) zos.close();
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
}
return flag;
}

public static void main(String[] args){
String sourceFilePath = "D:\\TestFile";
String zipFilePath = "D:\\tmp";
String fileName = "12700153file";
boolean flag = FileToZip.fileToZip(sourceFilePath, zipFilePath, fileName);
if(flag){
System.out.println("文件打包成功!");
}else{
System.out.println("文件打包失败!");
}
}

}

2.结果如下：

文件打包成功!

3.到D:/tmp下查看，你会发现生成了一个zip压缩包.