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學習bootstrap和jquery框架還原網頁

簡介

還原方式

框架的學習並不是拋棄原來學過的css和JavaScript的意思,而是結合框架和自己寫的css和js一同作用,從而比較方便簡潔的快速做到需要的效果,節省時間。 標頭檔案中引入bootstrap核心css檔案

    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css">

在body底部引用js。注意bootstrap的引用要在jquery下面,因為其有部分功能需要jquery實現。

    <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/
[email protected]
/dist/js/bootstrap.min.js"></script> <script src="jquery.js"></script>//自己寫的js檔案。

自寫jquery.js

通過該jquery可以實現網站左欄選擇中類的改變。

$(document).ready(function(){
    $("#slect_active li").click(function(){
        $("#slect_active li").removeClass('active');
        $(this).addClass('active');
    })
});

body部分

可以用谷歌瀏覽器觀察其程式碼做到復原。值得注意的是bootstrap框架中的柵格系統,靈活運用會有很大的便利。 官網對於柵格系統的介紹:https://v3.bootcss.com/css/#grid 以下程式碼只是簡單的說明其如何定義類選擇器,更加詳細的用法可以參考網站

    <div class="container-fluid">
        <div class="row">
        	<div class="col-md-2 sidebar" id="slect_active"></div>
        	<div class="col-md-10 col-md-offset-2 main"></div>
        </div>
    </div>

程式碼部分

細心觀察程式碼和多去網站學習需要功能便可實現

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Dashboard Template for Bootstrap</title>

    <!-- 最新版本的 Bootstrap 核心 CSS 檔案 -->
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css">
    <!-- 自定義css -->
    <link type="text/css"  rel="stylesheet" href="https://v3.bootcss.com/examples/dashboard/dashboard.css">

</head>
<body>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container-fluid">
                <div class="navbar-header">
                        <a class="navbar-brand" href="#">Project name</a>
                </div>
                <div class="collapse navbar-collapse">
                    <ul class="nav navbar-nav navbar-right">
                        <li><a <hr />ef="#">Dashboard</a></li>
                        <li><a href="#">Settings</a></li>
                        <li><a href="#">Profile</a></li>
                        <li><a href="#">Help</a></li>
                    </ul>
                    <form class="navbar-form navbar-right">
                        <input type="text" class="form-control" placeholder="Search...">
                    </form>
                </div>
        </div>
    </nav>

    <div class="container-fluid">
        <div class="row">
            <div class="col-md-2 sidebar" id="slect_active">
                <ul class="nav nav-sidebar">
                    <li class="active"><a href="#">Overview<span class="sr-only">(current)</span></a></li>
                    <li><a href="#">Reports</a></li>
                    <li><a href="#">Analytics</a></li>
                    <li><a href="#">Export</a></li>
                </ul>
                <ul class="nav nav-sidebar">
                    <li><a href="#">Nav item</a></li>
                    <li><a href="#">Nav item again</a></li>
                    <li><a href="#">One more nav</a></li>
                    <li><a href="#">Another nav item</a></li>
                    <li><a href="#">More navigation</a></li>
                </ul>
                <ul class="nav nav-sidebar">
                    <li><a href="#">Nav item</a></li>
                    <li><a href="#">Nav item again</a></li>
                    <li><a href="#">One more nav</a></li>
                </ul>
            </div>
            <div class="col-md-10 col-md-offset-2 main">
                <h1 class="page-header">Dashboard</h1>
                <div class="row placeholders">
                    <div class="col-sm-3 placeholder">
                            <img src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" width="200" height="200" class="img-responsive" alt="Generic placeholder thumbnail">
                            <h4>Label</h4>
                            <span class="text-muted">Something else</span>
                    </div>
                    <div class="col-sm-3 placeholder">
                            <img src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" width="200" height="200" class="img-responsive" alt="Generic placeholder thumbnail">
                            <h4>Label</h4>
                            <span class="text-muted">Something else</span>
                    </div>
                    <div class="col-sm-3 placeholder">
                            <img src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" width="200" height="200" class="img-responsive" alt="Generic placeholder thumbnail">
                            <h4>Label</h4>
                            <span class="text-muted">Something else</span>
                    </div>
                    <div class="col-sm-3 placeholder">
                            <img src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" width="200" height="200" class="img-responsive" alt="Generic placeholder thumbnail">
                            <h4>Label</h4>
                            <span class="text-muted">Something else</span>
                    </div>
                </div>
                <h2 class="sub-header">Section title</h2>
                <div class="table-responsive">
                    <table class="table table-striped">
                        <thead>
                            <tr>
                                <th>#</th>
                                <th>Header</th>
                                <th>Header</th>
                                <th>Header</th>
                                <th>Header</th>
                            </tr>
                        </thead>
                        <tbody>
                            <tr>
                                <td>1,001</td>
                                <td>Lorem</td>
                                <td>ipsum</td>
                                <td>dolor</td>
                                <td>sit</td>
                            </tr>
                            <tr>
                                <td>1,002</td>
                                <td>amet</td>
                                <td>consectetur</td>
                                <td>adipiscing</td>
                                <td>elit</td>
                            </tr>
                            <tr>
                                <td>1,003</td>
                                <td>Integer</td>
                                <td>nec</td>
                                <td>odio</td>
                                <td>Praesent</td>
                            </tr>
                            <tr>
                                <td>1,003</td>
                                <td>libero</td>
                                <td>Sed</td>
                                <td>cursus</td>
                                <td>ante</td>
                            </tr>
                            <tr>
                                <td>1,004</td>
                                <td>dapibus</td>
                                <td>diam</td>
                                <td>Sed</td>
                                <td>nisi</td>
                            </tr>
                            <tr>
                                <td>1,005</td>
                                <td>Nulla</td>
                                <td>quis</td>
                                <td>sem</td>
                                <td>at</td>
                            </tr>
                            <tr>
                                <td>1,006</td>
                                <td>nibh</td>
                                <td>elementum</td>
                                <td>imperdiet</td>
                                <td>Duis</td>
                            </tr>
                            <tr>
                                <td>1,007</td>
                                <td>sagittis</td>
                                <td>ipsum</td>
                                <td>Praesent</td>
                                <td>mauris</td>
                            </tr>
                            <tr>
                                <td>1,008</td>
                                <td>Fusce</td>
                                <td>nec</td>
                                <td>tellus</td>
                                <td>sed</td>
                            </tr>
                            <tr>
                                <td>1,009</td>
                                <td>augue</td>
                                <td>semper</td>
                                <td>porta</td>
                                <td>Mauris</td>
                            </tr>
                            <tr>
                                <td>1,010</td>
                                <td>massa</td>
                                <td>Vestibulum</td>
                                <td>lacinia</td>
                                <td>arcu</td>
                            </tr>
                            <tr>
                                <td>1,011</td>
                                <td>eget</td>
                                <td>nulla</td>
                                <td>Class</td>
                                <td>aptent</td>
                            </tr>
                            <tr>
                                <td>1,012</td>
                                <td>taciti</td>
                                <td>sociosqu</td>
                                <td>ad</td>
                                <td>litora</td>
                            </tr>
                            <tr>
                                <td>1,013</td>
                                <td>torquent</td>
                                <td>per</td>
                                <td>conubia</td>
                                <td>nostra</td>
                            </tr>
                            <tr>
                                <td>1,014</td>
                                <td>per</td>
                                <td>inceptos</td>
                                <td>himenaeos</td>
                                <td>Curabitur</td>
                            </tr>
                            <tr>
                                <td>1,015</td>
                                <td>sodales</td>
                                <td>ligula</td>
                                <td>in</td>
                                <td>libero</td>
                            </tr>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
    

    <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js"></script>
    <script src="jquery.js"></script>
</body>
</html>