BootStrap筆記

今日內容
1. Bootstrap 1

Bootstrap:

1. 概念: 一個前端開發的框架,Bootstrap,來自 Twitter,是目前很受歡迎的前端框架。Bootstrap 是基於 HTML、CSS、JavaScript 的,它簡潔靈活,使得 Web 開發更加快捷。 * 框架:一個半成品軟件,開發人員能夠在框架基礎上,在進行開發,簡化編碼。 * 好處: 1. 定義了不少的css樣式和js插件。咱們開發人員直接能夠使用這些樣式和插件獲得豐富的頁面效果。 2. 響應式佈局。 * 同一套頁面能夠兼容不一樣分辨率的設備。 2. 快速入門 1. 下載Bootstrap 2. 在項目中將這三個文件夾複製 3. 建立html頁面,引入必要的資源文件 <!DOCTYPE html> <html> <head>     <meta charset="utf-8">     <meta http-equiv="X-UA-Compatible" content="IE=edge">     <meta name="viewport" content="width=device-width, initial-scale=1">     <!-- 上述3個meta標籤*必須*放在最前面,任何其餘內容都*必須*跟隨其後! -->     <title>Bootstrap HelloWorld</title>     <!-- Bootstrap -->     <link href="css/bootstrap.min.css" rel="stylesheet">     <!-- jQuery (Bootstrap 的全部 JavaScript 插件都依賴 jQuery,因此必須放在前邊) -->     <script src="js/jquery-3.2.1.min.js"></script>     <!-- 加載 Bootstrap 的全部 JavaScript 插件。你也能夠根據須要只加載單個插件。 -->     <script src="js/bootstrap.min.js"></script> </head> <body> <h1>你好,世界!</h1> </body> </html> 12345678910111213141516171819202122232425262728293031323334353637

響應式佈局

* 同一套頁面能夠兼容不一樣分辨率的設備。 * 實現:依賴於柵格系統:將一行平均分紅12個格子,能夠指定元素佔幾個格子 * 步驟: 1. 定義容器。至關於以前的table、 * 容器分類: 1. container:兩邊留白 2. container-fluid:每一種設備都是100%寬度 2. 定義行。至關於以前的tr   樣式:row 3. 定義元素。指定該元素在不一樣的設備上,所佔的格子數目。樣式:col-設備代號-格子數目 * 設備代號: 1. xs:超小屏幕 手機 (<768px):col-xs-12 2. sm:小屏幕 平板 (≥768px) 3. md:中等屏幕 桌面顯示器 (≥992px) 4. lg:大屏幕 大桌面顯示器 (≥1200px) * 注意: 1. 一行中若是格子數目超過12,則超出部分自動換行。 2. 柵格類屬性能夠向上兼容。柵格類適用於與屏幕寬度大於或等於分界點大小的設備。 3. 若是真實設備寬度小於了設置柵格類屬性的設備代碼的最小值,會一個元素沾滿一整行。 12345678910111213141516171819

CSS樣式和JS插件

1. 全局CSS樣式: * 按鈕:class="btn btn-default" * 圖片: *:圖片在任意尺寸都佔100% *  圖片形狀 *  <img src="..." alt="...">:方形 *  <img src="..." alt="..."> : 圓形 *  <img src="..." alt="..."> :相框 * 表格 * table * table-bordered * table-hover * 表單 * 給表單項添加:class="form-control"  2. 組件: * 導航條 * 分頁條 3. 插件: * 輪播圖 12345678910111213141516171819

案例

<!DOCTYPE html> <html> <head>     <meta charset="utf-8">     <meta http-equiv="X-UA-Compatible" content="IE=edge">     <meta name="viewport" content="width=device-width, initial-scale=1">     <!-- 上述3個meta標籤*必須*放在最前面,任何其餘內容都*必須*跟隨其後! -->     <title>Bootstrap HelloWorld</title>     <!-- Bootstrap -->     <link href="css/bootstrap.min.css" rel="stylesheet">     <!-- jQuery (Bootstrap 的全部 JavaScript 插件都依賴 jQuery,因此必須放在前邊) -->     <script src="js/jquery-3.2.1.min.js"></script>     <!-- 加載 Bootstrap 的全部 JavaScript 插件。你也能夠根據須要只加載單個插件。 -->     <script src="js/bootstrap.min.js"></script>     <style>         .paddtop{             padding-top: 10px;         }         .search-btn{             float: left;             border:1px solid #ffc900;             width: 90px;             height: 35px;             background-color:#ffc900 ;             text-align: center;             line-height: 35px;             margin-top: 15px;         }         .search-input{             float: left;             border:2px solid #ffc900;             width: 400px;             height: 35px;             padding-left: 5px;             margin-top: 15px;         }         .jx{             border-bottom: 2px solid #ffc900;             padding: 5px;         }         .company{             height: 40px;             background-color: #ffc900;             text-align: center;             line-height:40px ;             font-size: 8px;         }     </style> </head> <body>    <!-- 1.頁眉部分-->    <header>        <div>            <img src="img/top_banner.jpg">        </div>        <div class="row paddtop">            <div>                <img src="img/logo.jpg">            </div>            <div>                <input placeholder="請輸入線路名稱">                <a href="#">搜索</a>            </div>            <div>                <img src="img/hotel_tel.png">            </div>        </div>        <!--導航欄-->        <div>            <nav class="navbar navbar-default">                <div>                    <!-- Brand and toggle get grouped for better mobile display -->                    <div>                        <!-- 定義漢堡按鈕 -->                        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">                            <span>Toggle navigation</span>                            <span></span>                            <span></span>                            <span></span>                        </button>                        <a href="#">首頁</a>                    </div>                    <!-- Collect the nav links, forms, and other content for toggling -->                    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">                        <ul class="nav navbar-nav">                            <li><a href="#">Link <span>(current)</span></a></li>                            <li><a href="#">Link</a></li>                            <li><a href="#">Link</a></li>                            <li><a href="#">Link</a></li>                            <li><a href="#">Link</a></li>                            <li><a href="#">Link</a></li>                        </ul>                    </div><!-- /.navbar-collapse -->                </div><!-- /.container-fluid -->            </nav>        </div>        <!--輪播圖-->        <div>            <div id="carousel-example-generic" class="carousel slide" data-ride="carousel">                <!-- Indicators -->                <ol>                    <li data-target="#carousel-example-generic" data-slide-to="0"></li>                    <li data-target="#carousel-example-generic" data-slide-to="1"></li>                    <li data-target="#carousel-example-generic" data-slide-to="2"></li>                </ol>                <!-- Wrapper for slides -->                <div role="listbox">                    <div class="item active">                        <img src="img/banner_1.jpg" alt="...">                    </div>                    <div>                        <img src="img/banner_2.jpg" alt="...">                    </div>                    <div>                        <img src="img/banner_3.jpg" alt="...">                    </div>                </div>                <!-- Controls -->                <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">                    <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>                    <span>Previous</span>                </a>                <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">                    <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>                    <span>Next</span>                </a>            </div>        </div>    </header>    <!-- 2.主體部分-->    <div>         <div class="row jx">             <img src="img/icon_5.jpg">             <span>黑馬精選</span>         </div>        <div class="row paddtop">            <div>                 <div>                     <img src="img/jiangxuan_3.jpg" alt="">                     <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                     <font color="red">&yen; 699</font>                 </div>            </div>            <div>                <div>                    <img src="img/jiangxuan_3.jpg" alt="">                    <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                    <font color="red">&yen; 699</font>                </div>            </div>            <div>                <div>                    <img src="img/jiangxuan_3.jpg" alt="">                    <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                    <font color="red">&yen; 699</font>                </div>            </div>            <div>                <div>                    <img src="img/jiangxuan_3.jpg" alt="">                    <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                    <font color="red">&yen; 699</font>                </div>            </div>        </div>        <div class="row jx">            <img src="img/icon_6.jpg">            <span>國內遊</span>        </div>        <div class="row paddtop">            <div>                <img src="img/guonei_1.jpg">            </div>            <div>                <div>                    <div>                        <div>                            <img src="img/jiangxuan_3.jpg" alt="">                            <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                            <font color="red">&yen; 699</font>                        </div>                    </div>                    <div>                        <div>                            <img src="img/jiangxuan_3.jpg" alt="">                            <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                            <font color="red">&yen; 699</font>                        </div>                    </div>                    <div>                        <div>                            <img src="img/jiangxuan_3.jpg" alt="">                            <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                            <font color="red">&yen; 699</font>                        </div>                    </div>                </div>                <div>                    <div>                        <div>                            <img src="img/jiangxuan_3.jpg" alt="">                            <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                            <font color="red">&yen; 699</font>                        </div>                    </div>                    <div>                        <div>                            <img src="img/jiangxuan_3.jpg" alt="">                            <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                            <font color="red">&yen; 699</font>                        </div>                    </div>                    <div>                        <div>                            <img src="img/jiangxuan_3.jpg" alt="">                            <p>上海直飛三亞5天4晚自由行(春節預售+親子/蜜月/休閒遊首選+豪華酒店任選+接送機)</p>                            <font color="red">&yen; 699</font>                        </div>                    </div>                </div>            </div>        </div>    </div>    <!-- 3.頁腳部分-->    <footer>        <div>            <img src="img/footer_service.png">        </div>        <div class="row company">           XXXX        </div>    </footer> </body> </html>
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