在rails中显示错误消息时如何获取date_field值？

Question

I want to show the date value in the date_field when the post page, with errors, is rendered.我想在呈现有错误的帖子页面时在date_field显示日期值。

I've tried:我试过了：

<%= f.date_field :start_at_date,:class=>"form-control fdate"
             ,value: Date.current.strftime('%Y-%m-%d')%>

Which results in:结果是：

在此处输入图片说明

Answer 1

Try this code:试试这个代码：

<%= f.date_field :start_at_date,:class=>"form-control fdate", 
    value: model.errors.any? ? (Date.today):() %>

Replace "model" with your model name.用您的型号名称替换“型号”。