如何将 Rails 变量传递给 AJAX 响应函数？

Question

在AJAX我写：

$.ajax({
   URL: '/new_avatar',
   type: 'POST',
   data: { username: 'alizade' },
   success: function(response){
       alert(response);
   },
 })

Route.rb:

post '/new_avatar' => 'avatars#new_avatar'

Avatar.rb 型号：

self.new_avatar(username)
    Avatar.where(username: username).select('avatar').last
end

Avatars_Controller:

def new_avatar
    @username = params[:username]
    @result = Avatar.new_avatar(@username)
end

那么，如何将@result发送到AJAX响应函数并提醒数据库选择结果？

Answer 1

您需要在控制器方法中使用 render :text

def new_avatar
    @username = params[:username]
    @result = Avatar.new_avatar(@username)
    render :text => "#{@username} has this result:- #{@result.inspect}"
end

Answer 2

假设您只需要此服务的响应，您可以使用以下方式获取结果。

def new_avatar
   @username = params[:username]
   render :json => Avatar.new_avatar(@username)
end

如何将 Rails 变量传递给 AJAX 响应函数？

How to pass Rails variable to AJAX response function?

javascript

ajax

ruby-on-rails