mule - DataWeave 按交替顺序组合数组

Question

如果我有数组[A,B,C]和[1,2,3]我如何将它们组合成 [A,1,B,2,C,3]

Answer 1

假设两个数组的长度相同:

%dw 2.0
output application/json
var a1=["A","B","C"]
var a2=[1,2,3]
---
a1 flatMap [$, a2[$$]]

输出:

[
  "A",
  1,
  "B",
  2,
  "C",
  3
]