判断空字符串:StringUtils.isBlank
StringUtils.isBlank(null) = true StringUtils.isBlank("") = true StringUtils.isBlank(" ") = true StringUtils.isBlank("aaa") = false
参考:https://blog.csdn.net/xiaojin21cen/article/details/66973092
原文地址:https://www.cnblogs.com/Alwaysbecoding/p/9447002.html
时间: 2024-08-14 02:31:17