我想设置一个默认日期,例如实际日期,我该如何设置?
<%= date_field_tag(:datetime_ida, value = nil, options = {})%>
还有如何在组合框中设置默认值
<%= select_tag :children_quantity, options_for_select([['0 Children', 0], ['1 Children', 1], ['2 Children', 2], ['3 Children', 3], ['4 Children', 4], ['5 Children', 5]], 1) %>
顺便问一下,date_field_tag 和 date_field 之间有什么区别?
最佳答案
试试这个:
<%= date_field_tag(:datetime_ida, Date.today)%>
将默认日期作为第二个参数传递。
you correctly set the default value of combo box as shown in your question.
关于ruby-on-rails - date_field_tag,如何设置默认日期? [ rails 上的 ruby ],我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24359435/