每当我单击它时,它都会通过在路由末尾添加"/#"来重定向我。 当我单击下拉列表时,控制台日志中没有 jquery 错误。 这是我的应用程序.js:
//
//= jquery
//= jquery-ui
//= popper
//= bootstrap-sprockets
//= require rails-ujs
//= require activestorage
//= require turbolinks
//= require_tree
我有JQuery-Rails和jquery-ui-rails。 控制台日志现在显示 jquery/javascript 的错误,当我单击下拉列表时。 这是我的服务器日志:
Started GET "/" for 127.0.0.1 at 2018-12-25 14:06:27 -0500
Processing by StaticController#homepage as HTML
User Load (0.4ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT $2 [["id", 1], ["LIMIT", 1]]
↳ /Users/sohel/.rvm/gems/ruby-2.5.1/gems/activerecord-5.2.2/lib/active_record/log_subscriber.rb:98
Rendering static/homepage.html.erb within layouts/application
Rendered static/homepage.html.erb within layouts/application (0.7ms)
Rendered shared/_nav.html.erb (0.5ms)
Completed 200 OK in 47ms (Views: 41.2ms | ActiveRecord: 0.4ms)
下面是导航栏组件的视图 erb 文件。 它基本上直接从引导网站上删除:
<nav class="navbar navbar-expand-lg navbar-light bg-light custom-nav">
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<%= link_to 'Home', root_path, class: 'nav-link' %>
</li>
<li class="nav-item">
<%= link_to 'Time Entries', posts_path, class: 'nav-link' %>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown link
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
</div>
</nav>
我在这里找到了答案
必须在我的应用程序.html.erb布局文件中的结束正文标签下添加以下脚本标签:
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
设置显式 href ( "#"
) 将使浏览器更改 url 片段,您可以将其删除 ( <a href class="..." ...>
),浏览器不会尝试遵循它。
<a
class="nav-link dropdown-toggle"
href
id="navbarDropdownMenuLink"
data-toggle="dropdown"
aria-haspopup="true"
aria-expanded="false"
>
Dropdown link
</a>
另一方面,下拉列表应该切换。检查网络检查器,确保您实际上正在加载应用程序JavaScript。
更新
您的application.js
文件中存在错误。库只是命名,而不是require
d。其内容应为:
//= require jquery
//= require jquery-ui
//= require popper
//= require bootstrap-sprockets
//= require rails-ujs
//= require activestorage
//= require turbolinks
//= require_tree .
(另请注意require_tree
行末尾的点)