/**
* 解压zip文件
*
* @param zipFileName 待解压的zip文件路径，例如：c:\\a.zip
* @param outputDirectory 解压目标文件夹,例如：c:\\a\
*/
public static String unZip(String zipFileName, String outputDirectory)
throws Exception {
org.apache.tools.zip.ZipFile zipFile = new org.apache.tools.zip.ZipFile(zipFileName,"GBK");
org.apache.tools.zip.ZipEntry zipEntry = null;
try {
Enumeration<?> e = zipFile.getEntries();
createDirectory(outputDirectory, "");
while (e.hasMoreElements()) {
zipEntry = (org.apache.tools.zip.ZipEntry) e.nextElement();
if (zipEntry.isDirectory()) {
String name = zipEntry.getName();
name = name.substring(0, name.length() - 1);
File f = new File(outputDirectory + File.separator + name);
f.mkdir();
} else {
String fileName = zipEntry.getName();
fileName = fileName.replace('\\', '/');
if (fileName.indexOf("/") != -1) {
createDirectory(outputDirectory, fileName.substring(0, fileName.lastIndexOf("/")));
fileName = fileName.substring(fileName.lastIndexOf("/") + 1, fileName.length());
}
File f = new File(outputDirectory + File.separator + zipEntry.getName());
f.createNewFile();
InputStream in = zipFile.getInputStream(zipEntry);
System.setProperty("sun.zip.encoding", System.getProperty("sun.jnu.encoding"));
FileOutputStream out = new FileOutputStream(f);
byte[] by = new byte[1024];
int c;
while ((c = in.read(by)) != -1) {
out.write(by, 0, c);
}
in.close();
out.close();
}
}
} catch (Exception ex) {
System.out.println(ex.getMessage());
} finally {
zipFile.close();
}
return outputDirectory+"\\"+zipEntry.getName();
}