条件存在数组id，其中id为rails

Question

我有疑问：

Product.all.where(x: @id)

使用

x = ["9", "8", "7","5"] # Array exam

# And 

@id = 5 

如何检查5中是否有array？

Answer 1

x = [9,8,7,5] #Array测试

@id = 5

if x.include?(@id)
 Product.find(@id)
end

或

Product.find(@id) if x.include?(@id)