public static boolean isEmpty(String str){if("".equals(str)||str==null){return true;}else{return false;}}public static boolean isNotEmpty(String str){if(!"".equals(str)&&str!=null){return true;}else{return false;}}
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public static boolean isEmpty(String str){if("".equals(str)||str==null){return true;}else{return false;}}public static boolean isNotEmpty(String str){if(!"".equals(str)&&str!=null){return true;}else{return false;}}
转载于:https://www.cnblogs.com/xlwh/p/8591937.html