String src = file.getFileUrl();// 源url
String dst = src.substring(0, src.lastIndexOf("/")) + "/" + name;// 新的url
System.out.println("the new name is:" + dst);
renameAction rename = new renameAction();
try {
dohdfs = rename.rename(src, dst);// 操作文件系统
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}//
if (dohdfs) {