docs: public String getLooseMap (String str) throws Exception {
  		if(is==null)
  			is = new EditDistanceWithSemantic();
  
  		String resName = str;
  
  		if(str==null||str.trim().length()==0)
  			return resName;
  		for(Iterator it = nameMap.keySet().iterator();it.hasNext();){
  			str = (String) it.next();
  			if(is.calc(str,resName)==0){
  				resName = nameMap.get(str);
  				System.out.println("匹配："+str+"<"+resName);
  				break;
  			}
  		}
  		return resName;
  	}