方案如何使用AJAX
我已经创建学习Rails和引导一个简单的应用程序中的Rails执行POST操作。这个应用程序的功能是允许用户为名人提供昵称,并且也可以使用昵称。您可以在http://celebnicknames.herokuapp.com
检查我有一个按钮的link_to在我家/index.html.erb张贴喜欢的名人如:在我home_controller.rb
<%= link_to home_updatelike_path(id: nickname.id, search: @search), method: :post, remote: true, class: "update_like btn btn-xs btn3d pull-right" do %>
<i class="glyphicon glyphicon-thumbs-up"></i>
<% end %>
相应的代码该职位的方法是:
def updatelike
@like = Like.new(:nickname_id => params[:id], :ip_address => request.remote_ip)
@like.save
respond_to do |format|
format.html { redirect_to root_path("utf8"=>"✓", "search"=>params[:search], "commit"=>"Search") }
format.json { head :no_content }
format.js { render :layout => false }
end
end
在我updatelike.js.erb的代码如下:
$('.update_like').bind('ajax:success', function() {
});
现在,我想实现的是提交一个像没有执行页面重新加载。
问题:
每当我按下按钮,对数据库的操作已完成,但除非我重新加载它更改不会反映在页面中。请指导我完成这个noob问题,并提供链接来解释如何使用Rails使用AJAX。
编辑
这里是整个家用/ index.html.erb
<div class="jumbotron col-md-6 col-md-offset-3">
<h1 class='text-center'>Nicknamer</h1>
</div>
<div class="container">
<div class="row">
<div class="col-sm-8 col-sm-offset-2 bottom50">
<%= form_tag(root_path, :method => "get", id: "search-form", type: "search") do %>
<div class = "form-group" >
<div class = "col-sm-9 " >
<%= text_field_tag :search, params[:search], placeholder: "Name", class: "form-control" %>
</div>
<div class = "col-sm-3" >
<%= submit_tag "Search", class: "btn btn-default btn-block btn-success"%>
</div>
</div>
<% end %>
</div>
</div>
<% @names.each do |name| %>
<div class="col-md-6 col-xs-8 col-md-offset-3 col-xs-offset-2 bottom50">
<!-- ===== vCard Navigation ===== -->
<div class="row w">
<div class="col-md-4">
<% if name.sex == true %>
<%= image_tag("mal.jpg", :alt => "", class: "img-responsive") %>
<% else %>
<%= image_tag("fem.jpg", :alt => "", class: "img-responsive") %>
<% end %>
</div><!-- col-md-4 -->
<!-- ===== vCard Content ===== -->
<div class="col-md-8">
<div class="row w1">
<div class="col-xs-10 col-xs-offset-1">
<h3><%= "#{name.name}" %></h3>
<hr>
<h5>Also known as</h5>
<% name.nicknames.each do |nickname| %>
<div class = "row w2 bottom10">
<% if nickname.name_id == name.id %>
<div class="col-xs-7">
<%= nickname.nickname %>
</div>
<div class="col-xs-3 text-right">
<%= pluralize(nickname.likes.count, 'like') %>
</div>
<div class="col-xs-1">
<%= link_to home_updatelike_path(id: nickname.id, search: @search), method: :post, remote: true, class: "update_like btn btn-xs btn3d pull-right" do %>
<i class="glyphicon glyphicon-thumbs-up"></i>
<% end %>
</div>
<% end %><!-- if -->
</div><!-- row w2 -->
<% end %><!-- do -->
<div class = "row w3 bottom30">
<%= form_for @addnickname, as: :addnickname, url: {action: "addnickname"} do |f| %>
<div class = "form-group" >
<%= f.hidden_field :name_id, :value => name.id %>
<%= f.hidden_field :search, :value => @search %>
<div class = "col-xs-9">
<%= f.text_field :nickname , :required => true, class: "form-control" %>
</div>
<div class = "col-xs-3">
<%= f.submit "Add", class: "btn btn-default btn-info"%>
</div>
</div>
<% end %>
</div>
</div><!-- col-xs-10 -->
</div><!-- row w1 -->
</div><!-- col-md-8 -->
</div><!-- row w -->
</div><!-- col-lg-6 -->
<% end %>
</div><!-- /.container -->
,这是整个home_controller.rb
class HomeController < ApplicationController
def index
@addnickname = Nickname.new
if params[:search]
@search = params[:search]
@names = Name.search(params[:search])
else
@names = Name.all
end
end
def addnickname
@addnickname = Nickname.new(:nickname => params[:addnickname][:nickname], :name_id => params[:addnickname][:name_id])
if @addnickname.save
redirect_to root_path("utf8"=>"✓", "search"=>params[:addnickname][:search], "commit"=>"Search")
else
render :new
end
end
def updatelike
@like = Like.new(:nickname_id => params[:id], :ip_address => request.remote_ip)
@like.save
respond_to do |format|
format.html { redirect_to root_path("utf8"=>"✓", "search"=>params[:search], "commit"=>"Search") }
format.json { head :no_content }
format.js { render :layout => false }
end
end
private
def addnickname_params
params.require(:addnickname).permit(:name_id, :nickname, :search)
end
end
Hello sixty4bit,我添加了完整的** index.html.erb **和** home_controller.rb **,你可以查看他们,如果你想 – Abhi9
谢谢@ Abhi9。我更新了我的答案。 – sixty4bit