[英]How field_with_errors div Gets Added in a Form When Validations Fail Within fields_for
[英]fields that don't pass validations don't get .field_with_errors class
我的驗證工作正常
class Owner < ActiveRecord::Base
validates :car_number, :name, :phone, presence:true
validates_uniqueness_of :car_number
has_many :cars
has_many :visits
accepts_nested_attributes_for :visits
和我的save.js.erb
$("ul.errors").html("")
<% if @owner.errors.any? %>
<% @owner.errors.full_messages.each do |message| %>
$("ul.errors").append($("<li />").html("<%= message.html_safe %>"))
$('.field_with_errors').addClass('has-error has-feedback');
<% end
else %>
$("#new_owner_div").html("<%= j (render 'visits/show', { :f => @visit })%>")
<%end%>
但沒有字段歸類為“ field_with_errors”。
好吧,一如既往,需要花費很多時間解決的麻煩比我想象的要容易。
我發現如何通過此[假設您的輸入名為:modelname [field_name]
<% @owner.errors.each do |attribute, error| %>
$('[name="owner[<%=attribute%>]"]').addClass('field_with_errors')
<% end %>
在CSS中:
.field_with_errors {
border: 2px solid red
}
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