问题描述
我正在尝试将表单中的时间字段设为可选.我正在这样做:
I'm trying to make a time field in my form optional. I'm doing this:
<%= f.time_select :end_time, minute_step: 5, include_blank: true %>
但是在提交的时候，由于time_select会自动提交默认的日期信息，所以params是这样的:
However when it is submitted, since there is default date information being submitted automatically with time_select, this is what the params looks like:
end_time(1i): '2000'结束时间(2i):'1'结束时间(3i):'1'结束时间(4i):''end_time(5i): ''
Rails 将此解释为真实日期并将 end_time 设置为 00:00
Rails interprets this as a real date and sets end_time to 00:00
是否有任何修复/锻炼能够拥有可选的时间字段?我在控制器中试过这个:
Is there any fix/workout to be able to have an optional time field? I tried this in the controller:
if params[:event][:end_time] && params[:event][:end_time][:hour].blank? && params[:event][:end_time][:minute].blank?
params[:event][:end_time] = nil
end
但它似乎不起作用.
感谢任何帮助！
推荐答案
你的参数不是 [:event][:end_time]，它们是:
Your param is not [:event][:end_time], they are:
[:event]['end_time(1i)']..[:event]['end_time(5i)'] 分别.
[:event]['end_time(1i)']..[:event]['end_time(5i)'] respectively.
使参数值为 nil 无济于事，您需要从 params 散列中拒绝该键；例如
Making the param value nil won't help, you need to reject that key from your params hash; e.g.
params[:event].except('end_time(4i)', 'end_time(5i)') 如果 params[:event]['end_time(4i)'].blank?
这篇关于带有 allow_blank 的可选 time_select 默认为 00:00的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！