> a = ['12','34','35','231']
> a.map { |i| "'" + i.to_s + "'" }.join(",")
=> "'12','34','35','231'"

array.inspect.inspect。Gsub(/\[|\]/， "")可以做到这一点

irb(main)> varA
=> {0=>["12", "34", "35", "231"]}
irb(main)> varA = Hash[*ex.collect{|a,b| [a,b.join(",")]}.flatten]
...

irb(main):027:0> puts ['12','34','35','231'].inspect.to_s[1..-2].gsub('"', "'")
'12', '34', '35', '231'
=> nil

我将加入其中:

['12','34','35','231'].join(', ')
# => 12, 34, 35, 231

编辑:

"'#{['12','34','35','231'].join("', '")}'"
# => '12','34','35','231'

一些字符串插值，添加第一个和最后一个单引号:P

还有另一种变化

a = ['12','34','35','231']
a.to_s.gsub(/\"/, '\'').gsub(/[\[\]]/, '')

> puts "'"+['12','34','35','231']*"','"+"'"
'12','34','35','231'

> puts ['12','34','35','231'].inspect[1...-1].gsub('"',"'")
'12', '34', '35', '231'

array.map{ |i|  %Q('#{i}') }.join(',')

试试这个代码['12'，'34'，'35'，'231']*"，"

结果是12,34,35231

我希望这就是你的结果，让我知道

string_arr.map(&:inspect).join(',') # or other separator

我觉得这种方式很有可读性，也很幼稚:

add_quotes =- > x{"'#{x}'"}

p  ['12','34','35','231'].map(&add_quotes).join(',') => "'12','34','35','231'"

你可以使用一些函数式编程方法，转换数据:

[“12”,“34”,“35”,“231”)。地图我{| | " #{我}”}. join (", ")

假设你的数组:

arr=["1","2","3","4"]

方法将数组转换为字符串:

Array_name.join(",")

例子:

arr.join(",")

结果:

"'1','2','3','4'"