code: @SuppressWarnings("rawtypes")
  	public boolean hasSensitiveWord(String source)
  	{
  		char[] chars = source.toCharArray();
  		Map nowMap = pool;
  		for (int i = 0; i < chars.length; i++)
  		{
  			char ch = Character.toUpperCase(chars[i]);
  			nowMap = (Map) nowMap.get(ch);
  			if (nowMap != null)
  			{
  				if ("1".equals(nowMap.get("isEnd")))
  				{
  					return true;
  				}
  			}
  			else
  			{
  				nowMap = pool;
  				nowMap = (Map) nowMap.get(ch);
  				if (nowMap != null)
  				{
  					if ("1".equals(nowMap.get("isEnd")))
  					{
  						return true;
  					}
  				}
  				else
  				{
  					nowMap = pool;
  				}
  			}
  		}
  		return false;
  	}
docs: 是否有敏感字符
  @param source
  @return