如题所述
å¨JDKä¸æä¸ä¸ªzipå·¥å ·ç±»ï¼
java.util.zip Provides classes for reading and writing the standard ZIP and
GZIP file formats.
使ç¨æ¤ç±»å¯ä»¥å°æ件夹æè å¤ä¸ªæ件è¿è¡æå å缩æä½ã
å¨ä½¿ç¨ä¹åå äºè§£å ³é®æ¹æ³ï¼
ZipEntry(String name) Creates a new zip entry with the specified name.
使ç¨ZipEntryçæé æ¹æ³å¯ä»¥å建ä¸ä¸ªzipå缩æ件å çå®ä¾ï¼ç¶åéè¿ZipOutputStreamå°å¾ å缩çæ件以æµçå½¢å¼åè¿è¯¥å缩å ä¸ãå ·ä½å®ç°ä»£ç å¦ä¸ï¼
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;
/**
* å°æ件夹ä¸é¢çæ件
* æå æzipå缩æ件
*
* @author admin
*
*/
public final class FileToZip {
private FileToZip(){}
/**
* å°åæ¾å¨sourceFilePathç®å½ä¸çæºæ件ï¼æå æfileNameå称çzipæ件ï¼å¹¶åæ¾å°zipFilePathè·¯å¾ä¸
* @param sourceFilePath :å¾ å缩çæ件路å¾
* @param zipFilePath :å缩ååæ¾è·¯å¾
* @param fileName :å缩åæ件çå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("å¾ å缩çæ件ç®å½ï¼"+sourceFilePath+"ä¸åå¨.");
}else{
try {
File zipFile = new File(zipFilePath + "/" + fileName +".zip");
if(zipFile.exists()){
System.out.println(zipFilePath + "ç®å½ä¸åå¨åå为:" + fileName +".zip" +"æå æ件.");
}else{
File[] sourceFiles = sourceFile.listFiles();
if(null == sourceFiles || sourceFiles.length<1){
System.out.println("å¾ å缩çæ件ç®å½ï¼" + sourceFilePath + "éé¢ä¸åå¨æ件ï¼æ éå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++){
//å建ZIPå®ä½ï¼å¹¶æ·»å è¿å缩å
ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName());
zos.putNextEntry(zipEntry);
//读åå¾ å缩çæ件并åè¿å缩å é
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{
//å ³éæµ
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("æ件æå æå!");
}else{
System.out.println("æ件æå 失败!");
}
}
}
java压缩文件夹zip操作代码如下:
import java.io.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class FileZip {
public static void main(String[] args)
throws Exception {
File f = new File("d:/taobao");
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
"d:/test.zip"));
zip(out, f, null);
System.out.println("zip done");
out.close();
}
private static void zip(ZipOutputStream out, File f, String base)
throws Exception {
System.out.println("zipping " + f.getAbsolutePath());
if (f.isDirectory()) {
File[] fc = f.listFiles();
if (base != null)
out.putNextEntry(new ZipEntry(base + "/"));
base = base == null ? "" : base + "/";
for (int i = 0; i < fc.length; i++) {
zip(out, fc[i], base + fc[i].getName());
}
} else {
out.putNextEntry(new ZipEntry(base));
FileInputStream in = new FileInputStream(f);
int b;
while ((b = in.read()) != -1)
out.write(b);
in.close();
}
}
}