感謝有奉獻精神的人
轉自:http://blog.csdn.net/sxdtzhaoxinguo/article/details/20550537
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;
/**
* 將文件夾下面的文件
* 打包成zip壓縮文件
*
* @author admin
*
*/
public final class FileToZip {
private FileToZip(){}
/**
* 將存放在sourceFilePath目錄下的源文件,打包成fileName名稱的zip文件,並存放到zipFilePath路徑下
* @param sourceFilePath :待壓縮的文件路徑
* @param zipFilePath :壓縮後存放路徑
* @param fileName :壓縮後文件的名稱
* @return
*/
public 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){
log.info("待壓縮的文件目錄:"+sourceFilePath+"不存在.");
} else {
try {
File zipFile = new File(zipFilePath + "/" + fileName +".zip");
if(zipFile.exists()) {
log.info(zipFilePath + "目錄下存在名字爲:" + fileName +".zip" +"打包文件.");
} else {
File[] sourceFiles = sourceFile.listFiles();
if(null == sourceFiles || sourceFiles.length < 1) {
log.info("待壓縮的文件目錄:" + sourceFilePath + "裏面不存在文件,無需壓縮.");
} else {
fos = new FileOutputStream(zipFile);
zos = new ZipOutputStream(new BufferedOutputStream(fos));
byte[] bufs = new byte[1024*10];
if(sourceFiles.length > 0 ) {
for(int i = 0; i < sourceFiles.length; i++){
//創建ZIP實體,並添加進壓縮包
ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName());
zos.putNextEntry(zipEntry);
//讀取待壓縮的文件並寫進壓縮包裏
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);
}
if(null != bis) {
bis.close();
bis = null;
}
if(null != fis) {
fis.close();
fis = null;
}
zos.closeEntry();
}
}
flag = true;
if(null != zos) {
zos.close();
zos = null;
}
if(null != fos) {
fos.close();
fos = null;
}
}
}
zipFile = null;
} catch (FileNotFoundException e) {
log.error("===FileNotFoundException==="+e.getMessage(), e);
throw new RuntimeException(e);
} catch (IOException e) {
log.error("===IOException==="+e.getMessage(), e);
throw new RuntimeException(e);
} finally {
//關閉流
try {
if(null != bis) {
bis.close();
bis = null;
}
if(null != zos) {
zos.close();
zos = null;
}
if(null != fis) {
fis.close();
fis = null;
}
if(null != fos) {
fos.close();
fos = null;
}
sourceFile = null;
} catch (IOException e) {
log.error("===finally===IOException==="+e.getMessage(), e);
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("文件打包失敗!");
}
}
}