我正在尝试为我的rails项目获取一个基本模态，当我点击该模式保持嵌入的链接时，它不会弹出。为了表明我在说什么，我添加了一张图片。单击“新帖子”后，就会出现这种情况。
我的问题是如何让它弹出来？是否有javascript或bootstrap的东西我不见了？
以下是我的文件。
的routes.rb
get "new_invitation" => "posts#new_invitation", as: :new_invitation
的Gemfile
gem 'bootstrap-sass'
gem 'bootstrap', git: 'https://github.com/twbs/bootstrap-rubygem'
gem 'jquery-rails'
gem 'sass-rails', '~> 5.0'
应用程序/资产/ Javascript角/ application.js中
//= require jquery
//= require jquery_ujs
//= require turbolinks
//= require_tree .
//= require bootstrap-sprockets
//= require bootstrap/modal
posts_controller.rb
def new_invitation
respond_to do |format|
format.html
format.js
end
end
应用程序/视图/帖/ _new_invitation.html.erb
<div id="modal-window" class="modal hide fade" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h3 id="myModalLabel">Modal header</h3>
</div>
<div class="modal-body">
**here comes whatever you want to show!**
</div>
<div class="modal-footer">
<button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
<button class="btn btn-primary">Save changes</button>
</div>
应用程序/视图/帖/ new_invitation.js.erb
$("#modal-window").html("<%= escape_javascript(render 'posts/new_invitation') %>");
$('#modal-window').modal('show');
应用程序/视图/家/ home_page / html.erb
<%= link_to '"New Post"', new_invitation_path, {:remote => true, 'data-toggle' => "modal", 'data-target' => '#modal-window'} %>
<div id="modal-window" class="modal hide fade" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"></div>
在查看其他问题时，我看到有人建议将从here下载的bootstrap.js文件添加到assets / javascripts文件夹中。我这样做了，并没有为我改变任何东西。
呈现HTML
<div id="user_nav">
<br>
</div>
<header id="header">
<div class="head-wrap">
<hgroup id="logo" class="row">
<h1><img src="/assets/dummy/logo-5f439e3ced4d9a20aefc176ffec64791c5b4e286ddee7471deeb135d08456f06.png" alt="Logo"></h1>
</hgroup>
<div id="nav-hold">
<div class="row">
<nav id="nav" class="nine columns">
<ul id="navigation" class="sf-menu sf-js-enabled">
<li>
<a href="/">Home</a>
</li>
<li>
<a href="" class="sf-with-ul">Feeds<span class="sf-sub-indicator"> »</span></a>
<ul style="display: none;">
<li><a href="/posts-feed">Posts</a></li>
<li><a href="/requests-feed">Requests</a></li>
</ul>
</li>
<li class="">
<a href="" class="sf-with-ul">Post Formats<span class="sf-sub-indicator"> »</span></a>
<ul style="display: none;">
<li class="current"><a class="current" href="single.html">Standard Post</a></li>
<li><a href="single-gallery.html">Image Gallery Post</a></li>
<li><a href="single-video.html">Video Post</a></li>
<li><a href="single-audio.html">Audio Post</a></li>
<li><a href="single-quote.html">Quote Post</a></li>
<li><a href="single-link.html">Link Post</a></li>
</ul>
</li>
<li>
<a href="" class="sf-with-ul">Account<span class="sf-sub-indicator"> »</span></a>
<ul style="display: none;">
<li><a href="/users/edit">Manage</a></li>
<li><a <a="" onclick="alert("Signed out!")" rel="nofollow" data-method="delete" href="/users/sign_out">Sign Out</a></li>
</ul>
</li>
</ul><!-- /navigation -->
<select class="alt-nav"><option selected="selected" value="">Go to...</option><option value="/">Home</option><option value="">Feeds »</option><option value="/posts-feed">Posts</option><option value="/requests-feed">Requests</option><option value="">Post Formats »</option><option value="single.html">Standard Post</option><option value="single-gallery.html">Image Gallery Post</option><option value="single-video.html">Video Post</option><option value="single-audio.html">Audio Post</option><option value="single-quote.html">Quote Post</option><option value="single-link.html">Link Post</option><option value="">Account »</option><option value="/users/edit">Manage</option><option value="/users/sign_out">Sign Out</option></select></nav><!-- /nav -->
<aside class="widget widget_search three columns">
<form action="/" class="searchform" method="get" role="search">
<label style="font-family: "Helvetica","Helvetica Neue",Arial,sans-serif; font-size: 12px; font-style: normal; font-weight: 400; text-shadow: none; line-height: 12px; background-color: rgba(0, 0, 0, 0.1); color: rgba(255, 255, 255, 0.35); position: absolute; top: 0px; left: 0px; -moz-user-select: none; cursor: text; z-index: 999;" id="spanLabel0" class="fLabel">Search</label><input size="27" title="Search" class="s" name="s" type="text">
<input class="searchsubmit btn" value="GO" type="submit">
</form>
</aside> <!-- .widget_search -->
</div> <!-- .wrap -->
</div> <!-- #nav-hold -->
</div> <!-- .head-wrap -->
</header>
<!-- <div id="ajax-modal" class="modal hide fade" tabindex="-1" >
<div class='modal-header'>
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h3 class="modal-title">Modal Title</h3>
</div>
<div class='modal-body'>
star
</div>
<div class='modal-footer'>
<button type="button" data-dismiss="modal" class="btn">Close</button>
</div>
</div>
-->
<center>
<h1>Home Page</h1>
<a data-toggle="modal" data-target="#modal-window" data-remote="true" href="/new_invitation">"New Post"</a>
<div id="modal-window" class="modal hide fade in" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true" style="padding-right: 0px;"><div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h3 id="myModalLabel">Modal header</h3>
</div>
<div class="modal-body">
**here comes whatever you want to show!**
</div>
<div class="modal-footer">
<button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
<button class="btn btn-primary">Save changes</button>
</div>
</div>
<br>
Distance(miles)
<form action="/" accept-charset="UTF-8" method="get"><input name="utf8" value="✓" type="hidden">
<select name="distance" id="distance"><option value="5">5</option>
<option value="10">10</option>
<option value="25">25</option>
<option value="50">50</option></select>
<input name="nil" value="Enter" class="btn" data-disable-with="Enter" type="submit">
</form> <p>
</p><div style="float: left; width: auto;"></div>
<form style="display:inline-block;" class="button_to" method="get" action="/new_post"><input user_id="1" value="Create Post" type="submit"></form>
<form style="display:inline-block;" class="button_to" method="get" action="/new-request"><input user_id="1" value="Create Request" type="submit"></form>
<p></p>
</center>
<div id="page">
<div id="main">
<div id="box-container">
<div id="entry-list" class="row">
<!-- Start Main HTML -->
</div> <!-- .entry-list -->
</div>
</div> <!-- #main -->
</div> <!-- #page -->
<meta name="csrf-param" content="authenticity_token">
<meta name="csrf-token" content="HgOsQnrX29DHy6/DRu2bsvkX28uAEeGC96MBsN/wsZLb+22A0ooExo4JiTMfE0TJOIPiDWaeX+TIYDcB0h+zDA==">
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<footer id="footer">
<div class="row">
<div class="footer-widget-holder three columns">
<aside class="widget group">
<h3 class="widget-title">Project</h3>
<p>This is a test footer with a bunch of useless information that will be relevant once something interesting gets added here.</p>
</aside><!-- /widget -->
</div>
</div>
<div id="credits">
<div class="row">
<span class="eleven columns">
</span>
</div>
</div>
</footer>
<div class="modal-backdrop fade in"></div><div class="modal-backdrop fade in"></div><div class="modal-backdrop fade in"></div>
答案 0 :(得分：0)
根据文档，我认为标记应如下所示：
<div class="modal fade" id="modal-window" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h3 id="myModalLabel">Modal header</h3>
</div>
<div class="modal-body">
**here comes whatever you want to show!**
</div>
<div class="modal-footer">
<button type="button" class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
你可能会失踪：
<div class="modal-dialog" role="document">
<div class="modal-content">
...
</div>
</div>
我不知道这是否会产生影响，但可能值得一试。
此外，您似乎应该使用数据属性或 javascript来触发模态。看起来你正在做这两件事。
这是您的数据属性：
<%= link_to '"New Post"', new_invitation_path, {:remote => true, 'data-toggle' => "modal", 'data-target' => '#modal-window'} %>
这是你的javascript：
$('#modal-window').modal('show')
此外，您似乎正在将_new_invitation.html.erb插入：
<div id="modal-window" class="modal hide fade" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"></div>
这样会给你一个多余的<div id="modal-window" ...>：
<div id="modal-window" class="modal hide fade" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div id="modal-window" class="modal hide fade" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h3 id="myModalLabel">Modal header</h3>
</div>
<div class="modal-body">
**here comes whatever you want to show!**
</div>
<div class="modal-footer">
<button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
<button class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
那么，尝试类似的事情呢？
<%= link_to '"New Post"', new_invitation_path, :remote => true %>
<div id="modal-container"></div>
并且：
$("#modal-container").html("<%= escape_javascript(render 'posts/new_invitation') %>");
最后，您可以尝试在没有选项的情况下初始化模态：
$('#modal-window').modal()
我认为选项意味着是一个hash-y js对象，更像是：
$('#modal-window').modal({show: 'true'})
但是，我不确定，所以你可以尝试一下这个选项。
我希望也许有些东西是有用的。
<强>更新
我将其添加到我当前项目的其中一个页面中：
%button{data: {target: "#modal-window", toggle: "modal", type: "button"}}
#modal-window.modal.fade{role: 'dialog', 'aria-labelledby': 'myModalLabel', 'aria-hidden': true}
.modal-dialog{role: 'document'}
.modal-content
.modal-header
%button.close{type: 'button', data: {dismiss: 'modal'}, 'aria-hidden': true} Close
%h3#myModalLabel Modal header
.modal-body
**here comes whatever you want to show!**
.modal-footer
%button.btn{data: {dismiss: 'modal'}, 'aria-hidden': true} Close
%button.btn.btn-primary Save changes
（对不起，我使用的是HAML，而不是ERB）。生成的HTML看起来像这样：
<button data-target="#modal-window" data-toggle="modal" data-type="button"></button>
<div aria-hidden="true" aria-labelledby="myModalLabel" class="modal fade" id="modal-window" role="dialog" style="display: none;">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button aria-hidden="" class="close" data-dismiss="modal" type="button">Close</button>
<h3 id="myModalLabel">Modal header</h3>
</div>
<div class="modal-body">
**here comes whatever you want to show!**
</div>
<div class="modal-footer">
<button aria-hidden="" class="btn" data-dismiss="modal">Close</button>
<button class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
模态工作得很好。 FWIW。