public void getZipFiles(String zipFile, String destFolder) throws IOException {
BufferedOutputStream dest = null
ZipInputStream zis = new ZipInputStream(
new BufferedInputStream(
new FileInputStream(zipFile)))
ZipEntry entry
while (( entry = zis.getNextEntry() ) != null) {
System.out.println( "Extracting: " + entry.getName() )
int count
byte data[] = new byte[BUFFER]
if (entry.isDirectory()) {
new File( destFolder + "/" + entry.getName() ).mkdirs()
continue
} else {
int di = entry.getName().lastIndexOf( '/' )
if (di != -1) {
new File( destFolder + "/" + entry.getName()
.substring( 0, di ) ).mkdirs()
}
}
FileOutputStream fos = new FileOutputStream( destFolder + "/"
+ entry.getName() )
dest = new BufferedOutputStream( fos )
while (( count = zis.read( data ) ) != -1)
dest.write( data, 0, count )
dest.flush()
dest.close()
}
}
rar的只能用第三方api，比如junrar
1.代码如下：[java] view plain copy
<span style="font-size:18pxbackground-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)
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=0i<sourceFiles.lengthi++){
//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>
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.
