// }
//����ͬ��ʿ�
public static Thesaurus loadThesaurus(String fileName){
Thesaurus thesaurus=null;
if(fileName!=null){
File file=new File(fileName);
if(file.exists() && file.isFile()){
logger.info("start load thesaurus ...");
thesaurus = new Thesaurus( );
thesaurus.load(fileName);
logger.info("++ load thesaurus is over");
}
}
return thesaurus;