Ruby on rails Rails:如何使用Ajax Jquery打印错误消息?
目前,这是我创建新邮件的代码:Ruby on rails Rails:如何使用Ajax Jquery打印错误消息?,ruby-on-rails,ruby-on-rails-3,jquery,Ruby On Rails,Ruby On Rails 3,Jquery,目前,这是我创建新邮件的代码: if @message.save respond_to do |format| format.html { redirect_to messages_path } format.js end else flash[:notice] = "Message cannot be blank!" redirect_to :back end 如何在Ajax中打印相同的消息?还希望控件对其进行格式化和定位。
if @message.save
respond_to do |format|
format.html { redirect_to messages_path }
format.js
end
else
flash[:notice] = "Message cannot be blank!"
redirect_to :back
end
如何在Ajax中打印相同的消息?还希望控件对其进行格式化和定位。在应用控制器中
after_filter :add_flash_to_header
def add_flash_to_header
# only run this in case it's an Ajax request.
return unless request.xhr?
# add different flashes to header
response.headers['X-Flash-Error'] = flash[:error] unless flash[:error].blank?
response.headers['X-Flash-Warning'] = flash[:warning] unless flash[:warning].blank?
response.headers['X-Flash-Notice'] = flash[:notice] unless flash[:notice].blank?
response.headers['X-Flash-Message'] = flash[:message] unless flash[:message].blank?
# make sure flash does not appear on the next page
flash.discard
end
将通知代码移动到部分:
<div class="noticesWrapper">
<% flash.each do |name, msg| %>
<div class="alert alert-<%= name == :notice ? "success" : "error" %>">
<a class="close" data-dismiss="alert"><i class="icon-remove"></i></a>
<%= msg %>
</div>
<% end %>
</div>
在js.erb文件中:
$('.noticeswapper').html(“”)代码>
在控制器操作中,您需要使用flash刷新消息。现在:
flash.now[:error]=“您的消息”