ruby – 如何在多个数组之间并行循环?
发布时间:2020-12-16 19:14:57 所属栏目:百科 来源:网络整理
导读:我有4个阵列. ["one","two","three"]["1","2","3"["un","deux","trois"]["ichi","ni","san"] 是否可以在各自的数组中连接每个元素? 所以我最终会得到像单行一样的字符串 "one,1,un,ichi"n"two,2,deux,ni"n 等等… 是否可以在一个循环中执行此操作? for i
我有4个阵列.
["one","two","three"] ["1","2","3" ["un","deux","trois"] ["ichi","ni","san"] 是否可以在各自的数组中连接每个元素? 所以我最终会得到像单行一样的字符串 "one,1,un,ichi"n "two,2,deux,ni"n 等等… 是否可以在一个循环中执行此操作? for i in (1..array1.count) puts array1[i] + "," + array2[i] + "," + array3[i] + "," + array4[i] end 当可能存在不可预测的阵列数量时会发生什么?它们各自的大小不一样? 解决方法
好吧,如果你知道他们都是相同的长度:
(0...array1.length).each{|i|puts array1[i] + "," + array4[i]} 编辑:以下代码有效 array1 = ["one","three"] array2 = ["1","3"] array3 = ["un","trois"] array4 = ["ichi","san"] (0...array1.length).each{|i| puts array1[i] + "," + array4[i]} 编辑2:如果您不知道将有多少阵列会发生什么? 我建议制作一个数组数组;数组列表.创建一个数组数组(本质上是一个2D数组,但不能像一个数组一样索引),并使用它为arrayList中的每个数组逐个打印每一行. 此代码有效: array1 = ["one","san"] arrayList = [] arrayList.push(array1,array2,array3,array4) p arrayList (0...array1.length).each{|i| (0...arrayList.length).each{|j| print arrayList[j][i] + "," } print "n" } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |