判断字符串是否为null、"null"、""

public static boolean isEmptyString(String strValue)
	{
		boolean bIsEmpty = false;
		
		if (null == strValue || strValue.trim().equals("") || strValue.trim().equalsIgnoreCase("null"))
		{
			bIsEmpty = true;
		}
		
		return bIsEmpty;
	}

  

原文地址:https://www.cnblogs.com/pt-lqb/p/14030883.html