本文介绍了如何在常规脚本中将null转换为0的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧! 问题描述 29岁程序员,3月因学历无情被辞! 我正在尝试创建一笔款项,但我想将所有 null 值都转换为 0 值,所以它可以执行总和。但是,我收到此错误;I am trying to create a sum but I want to cast all of the null values as 0 values so that it can perform the sum. However I am receiving this error;Cannot cast object '[null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null]' with class 'java.util.ArrayList' to class 'int'How can I cast all nulls into 0?以下是我的代码:Below is the code I have: def resultSearchCostGroup = json.xxx.xxx.xxx.search int totalSearchCostGroup = json.xxx.xxx.xxx.search.collectMany{ it ?: 0 }.sum() log.info resultSearchCostGroup推荐答案 c $ c> flatten 您的收藏,然后 collect 来取代空值?Your you can just flatten your collection and then collect to replace nulls?json.products.costGroups.costLines.search.flatten().collect{it?:0}.sum() 这篇关于如何在常规脚本中将null转换为0的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持! 上岸,阿里云! 09-05 06:16