ant 解压

package com.zxl.jzip;


import java.io.*;
import org.apache.tools.zip.*;
import java.util.Enumeration;
import java.util.zip.ZipException;


public class Ziptest {
public static void readByApacheZipFile(String archive, String decompressDir)
throws IOException, FileNotFoundException, ZipException {
BufferedInputStream bi;
ZipFile zf = new ZipFile(archive, "GBK");// 支持中文
Enumeration e = zf.getEntries();
while (e.hasMoreElements()) {
ZipEntry ze2 = (ZipEntry) e.nextElement();
String entryName = ze2.getName();
String path = decompressDir + "/" + entryName;
if (ze2.isDirectory()) {
System.out.println("正在创建解压目录 - " + entryName);
File decompressDirFile = new File(path);
if (!decompressDirFile.exists()) {
decompressDirFile.mkdirs();
}
} else {
System.out.println("正在创建解压文件 - " + entryName);
String fileDir = path.substring(0, path.lastIndexOf("/"));
File fileDirFile = new File(fileDir);
if (!fileDirFile.exists()) {
fileDirFile.mkdirs();
}
BufferedOutputStream bos = new BufferedOutputStream(
new FileOutputStream(decompressDir + "/" + entryName));


bi = new BufferedInputStream(zf.getInputStream(ze2));
byte[] readContent = new byte[1024];
int readCount = bi.read(readContent);
while (readCount != -1) {
bos.write(readContent, 0, readCount);
readCount = bi.read(readContent);
}
bos.close();
}
}
zf.close();
}
public static void main(String[] args) {
Ziptest m_zip = new Ziptest();
try {
Ziptest.readByApacheZipFile("E://11.zip", "E://zxl");
} catch (Exception ex) {
ex.printStackTrace();
}
}}