我阅读(在文档中)如何将一个数组的字符串与另一个字符串连接起来:
a = [ "a", "b", "c", "d" ]
a.collect! {|x| x + "!" }
a #=> [ "a!", "b!", "c!", "d!" ]
但我还没有想出的是如何将 2 个数组的字符串连接成一个。例如:
field_suffix = %w[prev curr]
field_names = %w[_first_name _last_name]
我想看到的是这样的:
["prev_first_name", "curr_first_name", "prev_last_name", "curr_last_name"]
顺序无关紧要。它可能是:
["prev_first_name", "prev_last_name", "curr_first_name", "curr_last_name"]