java批量将多文件打包成zip格式

public void createzip(){
List<File> nFileList = new ArrayList<File>();
nFileList.add(new File("C:\\Users\\Administrator\\Desktop\\测试移动到\\0001+国务院办公厅关于积极推进供应链创新与应用的指导意见.doc"));
nFileList.add(new File("C:\\Users\\Administrator\\Desktop\\测试移动到\\0001+国务院办公厅关于积极推进供应链创新与应用的指导意见.pdf"));
nFileList.add(new File("C:\\Users\\Administrator\\Desktop\\zenith.product.fms.main.js"));
String strZipName = "C:\\Users\\Administrator\\Desktop\\lx.zip";
FileInputStream nFileInputStream = null;
ZipOutputStream nZipOutputStream = null;
try {
nZipOutputStream = new ZipOutputStream(new FileOutputStream(strZipName));
for (File file : nFileList) {
nFileInputStream = new FileInputStream(file);
nZipOutputStream.putNextEntry(new ZipEntry(file.getName()));
int len;
while ((len = nFileInputStream.read()) != -1) {
nZipOutputStream.write(len);
nZipOutputStream.flush();
}
}
nZipOutputStream.close();
nFileInputStream.close();
System.out.println("生成lx.zip成功");
} catch (FileNotFoundException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}