= form_for @user, :url => login_validate_path(@user), :html => {:class => "form-horizontal", :id => "sign-in-user"}, :format => :json, :remote => true do|f|
$("form#sign-in-user").bind("ajax:success", function(e, data){})
原文：https://www.cnblogs.com/znsongshu/p/9739108.html