[英]Ruby select options if statement
In my db i have 3 fields: 在我的数据库中,我有3个字段:
name, cost, active
How can i display in select (form) only that values, on which active field is true(1)? 我如何仅在选择(窗体)中显示活动字段为true(1)的值? Now i have such code:
现在我有这样的代码:
= f.select :shipping_id, [["Select", "0"]] + @shippings.map{ |c| [c.name, c.id]}, {:required => true}
How to map, only if active is true? 仅当active为true时才如何映射?
Note! 注意! i must done it only in view!
我必须只在视野范围内这样做!
尝试:
@shippings.select{|s| s.active}.map{|c| [c.name,c.id]}
在您的控制器中
@shippings = Shipping.where(:active => 1)
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.