ZIP folder

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class ZIPfolder {
public ZIPfolder() {}

/**//*
* inputFileName 输入一个文件夹
* zipFileName 输出一个压缩文件夹
*/
public boolean zip(String inputFileName,String outputFileName) throws Exception {
// String zipFileName = "E:\\folder.zip"; //打包后文件名字
String zipFileName = outputFileName;
System.out.println(zipFileName);
zip(zipFileName, new File(inputFileName));
return true;
}

private void zip(String zipFileName, File inputFile) throws Exception {
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName));
zip(out, inputFile, "");
System.out.println("zip done");
out.close();
}

private void zip(ZipOutputStream out, File f, String base) throws Exception {
if (f.isDirectory()) {
File[] fl = f.listFiles();
// out.putNextEntry(new ZipEntry(base + "/"));
base = base.length() == 0 ? "" : base + "/";
//zip(out, f, base + f.getName());
for (int i = 0; i < fl.length; i++) {
zip(out, fl[i], base + fl[i].getName());
}
}else {
out.putNextEntry(new ZipEntry(base));
FileInputStream in = new FileInputStream(f);
int b;
System.out.println("----"+base);
while ( (b = in.read()) != -1) {
out.write(b);
}
in.close();
}
}
}