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Jun 24, 2016 am 11:40 AM

http://www.runoob.com/bootstrap/bootstrap-modal-plugin.html

Modal is a child window covering the parent form body. Typically, the purpose is to display content from a separate source that can have some interaction without leaving the parent form. Subforms provide information, interaction, and more.

If you want to reference the functionality of the plugin separately, then you need to reference modal.js. Alternatively, as mentioned in the Bootstrap plugin overview chapter, you can reference bootstrap.js or a minified version of bootstrap.min.js.

Usage

You can switch the hidden content of the modal plug-in:

via the data attribute : on a controller element (such as a button or link) Set the attribute data-toggle="modal", and set data-target="#identifier" or href="#identifier" to specify the switch A specific modal (with id="identifier").

Via JavaScript: Using this technique, you can call a modal with id="identifier" with a simple line of JavaScript:

$('#identifier').modal(options)

Example

A static modal window instance, as shown in the following example:

<!DOCTYPE html> <html> <head> <title>Bootstrap 实例 - 模态框（Modal）插件</title> <link href="/bootstrap/css/bootstrap.min.css" rel="stylesheet"> <script src="/scripts/jquery.min.js"></script> <script src="/bootstrap/js/bootstrap.min.js"></script> </head> <body> <h2 id="创建模态框-Modal">创建模态框（Modal）</h2> <!-- 按钮触发模态框 --> <button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal"> 开始演示模态框 </button> <!-- 模态框（Modal） --> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-hidden="true"> &times; </button> <h4 id="模态框-Modal-标题"> 模态框（Modal）标题 </h4> </div> <div class="modal-body"> 在这里添加一些文本 </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">关闭 </button> <button type="button" class="btn btn-primary"> 提交更改 </button> </div> </div><!-- /.modal-content --> </div><!-- /.modal --> </body> </html>

The result is as follows:

Code explanation:

To use a modal window, you need to have some kind of trigger. You can use buttons or links. Here we are using buttons.

If you look carefully at the above code, you will find that in the

You need to pay attention to two points in the modal box:

The first is .modal, which is used to identify the content of

as a modal box.

The second is the .fade class. When the modal is toggled, it causes the content to fade in and out.

aria-labelledby="myModalLabel", this attribute refers to the title of the modal box.

Attribute aria-hidden="true" is used to keep the modal window invisible until the trigger is fired (such as clicking on the relevant button).

class="close", close is a CSS class used to style the close button of a modal window.

data-dismiss="modal", is a custom HTML5 data attribute. Here it is used to close the modal window.

class="modal-body", is a CSS class of Bootstrap CSS, used to set styles for the body of modal windows.

class="modal-footer", is a CSS class of Bootstrap CSS, used to style the bottom of modal windows.

data-toggle="modal", HTML5 custom data attribute data-toggle is used to open a modal window.

Options

There are some options that can be used to customize the look and feel of the modal window. They are passed through the data attribute or JavaScript. The following table lists these options:

Option Name Type/Default Value Data Property Name Description

backdrop

boolean or string 'static '
Default value: true

data-backdrop

Specify a static background that will not close the modal box when the user clicks outside the modal box.

keyboard

boolean
Default value: true

data-keyboard

When pressed When the escape key is pressed, the modal box is closed. When set to false, the key press has no effect.

show

boolean
Default value: true

data-show

When initialized Show modal box.

remote

path
Default value: false

data-remote

Use jQuery The .load method injects content into the main body of the modal box. If you add an href with a valid URL, the content within it will be loaded. As shown in the following example: 选项名称类型/默认值 Data 属性名称描述

backdrop	boolean 或 string 'static' 默认值：true	data-backdrop	指定一个静态的背景，当用户点击模态框外部时不会关闭模态框。
keyboard	boolean 默认值：true	data-keyboard	当按下 escape 键时关闭模态框，设置为 false 时则按键无效。
show	boolean 默认值：true	data-show	当初始化时显示模态框。
remote	path 默认值：false	data-remote	使用 jQuery .load 方法，为模态框的主体注入内容。如果添加了一个带有有效 URL 的 href，则会加载其中的内容。如下面的实例所示： <a data-toggle="modal" href="remote.html" data-target="#modal">请点击我</a>

方法

下面是一些可与 modal() 一起使用的有用的方法。

方法描述实例

Options: .modal(options)	把内容作为模态框激活。接受一个可选的选项对象。	$('#identifier').modal({ keyboard: false })
Toggle: .modal('toggle')	手动切换模态框。	$('#identifier').modal('toggle')
Show: .modal('show')	手动打开模态框。	$('#identifier').modal('show')
Hide: .modal('hide')	手动隐藏模态框。	$('#identifier').modal('hide')

实例

下面的实例演示了方法的用法：

<!DOCTYPE html> <html> <head> <title>Bootstrap 实例 - 模态框（Modal）插件方法</title> <link href="/bootstrap/css/bootstrap.min.css" rel="stylesheet"> <script src="/scripts/jquery.min.js"></script> <script src="/bootstrap/js/bootstrap.min.js"></script> </head> <body> <h2 id="模态框-Modal-插件方法">模态框（Modal）插件方法</h2> <!-- 按钮触发模态框 --> <button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal"> 开始演示模态框 </button> <!-- 模态框（Modal） --> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times; </button> <h4 id="模态框-Modal-标题"> 模态框（Modal）标题 </h4> </div> <div class="modal-body"> 按下 ESC 按钮退出。 </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">关闭 </button> <button type="button" class="btn btn-primary"> 提交更改 </button> </div> </div><!-- /.modal-content --> </div><!-- /.modal-dialog --> </div><!-- /.modal --> <script> $(function () { $('#myModal').modal({ keyboard: true })}); </script> </body> </html>

结果如下所示：

只需要点击 ESC 键，模态窗口即会退出。

事件

下表列出了模态框中要用到事件。这些事件可在函数中当钩子使用。

事件描述实例

show.bs.modal	在调用 show 方法后触发。	$('#identifier').on('show.bs.modal', function () { // 执行一些动作... })
shown.bs.modal	当模态框对用户可见时触发（将等待 CSS 过渡效果完成）。	$('#identifier').on('shown.bs.modal', function () { // 执行一些动作... })
hide.bs.modal	当调用 hide 实例方法时触发。	$('#identifier').on('hide.bs.modal', function () { // 执行一些动作... })
hidden.bs.modal	当模态框完全对用户隐藏时触发。	$('#identifier').on('hidden.bs.modal', function () { // 执行一些动作... })

实例

下面的实例演示了事件的用法：

<!DOCTYPE html> <html> <head> <title>Bootstrap 实例 - 模态框（Modal）插件事件</title> <link href="/bootstrap/css/bootstrap.min.css" rel="stylesheet"> <script src="/scripts/jquery.min.js"></script> <script src="/bootstrap/js/bootstrap.min.js"></script> </head> <body> <h2 id="模态框-Modal-插件事件">模态框（Modal）插件事件</h2> <!-- 按钮触发模态框 --> <button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal"> 开始演示模态框 </button> <!-- 模态框（Modal） --> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times; </button> <h4 id="模态框-Modal-标题"> 模态框（Modal）标题 </h4> </div> <div class="modal-body"> 点击关闭按钮检查事件功能。 </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal"> 关闭 </button> <button type="button" class="btn btn-primary"> 提交更改 </button> </div> </div><!-- /.modal-content --> </div><!-- /.modal-dialog --> </div><!-- /.modal --> <script> $(function () { $('#myModal').modal('hide')})}); </script> <script> $(function () { $('#myModal').on('hide.bs.modal', function () { alert('嘿，我听说您喜欢模态框...');}) }); </script> </body> </html>

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