BootStrap

 

BootStrap

# 概念:一个前端开发的框架,来自 Twitter,是目前很受欢迎的前端框架。BootStrap 是基于 HTML、CSS、JavaScript 的,简介灵活,能使得 Web 开发更加快捷。
  * 框架:一个半成品软件,开发人员可以在框架的基础上,再进行开发,简化编码。
  * 好处
    * 定义了很多的 css 样式和 js 插件。我们开发人员直接可以使用这些样式和插件得到丰富的页面效果。
    * 响应式布局,同一套页面可以兼容不同分辨率的设备。

 

 

   * 网址https://www.bootcss.com/

# 快速入门
  1)下载 BootStrap
  2)复制这三个文件夹到项目下

  3)创建 html 页面,引入必要的资源文件

<!DOCTYPE html>
<html lang="zh-CN">
<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个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>Bootstrap HelloWorld</title>

    <!-- Bootstrap -->
    <link href="../css/bootstrap.min.css" rel="stylesheet">

</head>
<body>


<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery,所以必须放在前边) -->
<script src="../js/jquery-3.2.1.min.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="../js/bootstrap.min.js"></script>
</body>
</html>

响应式布局

# 同一套页面可以兼容不同分辨率的设备

# 实现:依赖于栅格系统,将一行平均分成 12 个格子,可以指定元素占几个格子

# 步骤
  1)定义容器(相当于之前的 table)
    * 容器分类:
      * container:两边留白
      * container - fluid:每一种设备都是 100% 的宽度
  2)定义行,相当于之前的 tr 样式:row
  3)定义元素,指定该元素在不同的设备上,所占的格子数目,相当于 td。样式:col - 设备代号 - 格子数目
    * 设备代号
      ①:xs:超小屏幕,手机( < 768px )如:col - xs - 12
      ②:sm:小屏幕,平板( > 768px )
      ③:md:中等屏幕,桌面显示器(> 992px)
      ④:lg:大屏幕,大桌面显示器(> 1200px)
  * 注意
    1、一行中如果格子数目超过 12,则超出部分自动换行
    2、栅格类属性可以向上兼容,栅格类适用于与屏幕宽度大于或等于分界点像素大小的设备
    3、如果真实设备宽度小于了设置栅格类属性的设备代码的最小值,一个元素会占满一整行,多个元素会换行展示

<!DOCTYPE html>
<html lang="zh-CN">
<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个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>Bootstrap HelloWorld</title>

    <!-- Bootstrap -->
    <link href="../css/bootstrap.min.css" rel="stylesheet">
    <style>
        .inner {
            border: 1px solid red;
        }
    </style>
</head>
<body>
<!--    1、定义容器-->
<!--<div class="container-fluid">-->
<div class="container">
    <!--    2、定义行-->
    <div class="row">
        <!--        3、定义元素
            在大的显示器一行12个格子,在pad上一行6个格子
        -->
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
        <div class="col-lg-1 col-sm-2 inner">栅格</div>
    </div>

</div>
<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery,所以必须放在前边) -->
<script src="../js/jquery-3.2.1.min.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="../js/bootstrap.min.js"></script>
</body>
</html>
View Code

 

css样式 和 JS插件

# 全局 css 样式
  * 按钮class = "btn btn - default"
  * 图片
    * class = "img - responsive":图片在任意尺寸都占 100%
    * 图片形状:
      * <img src = "..." alt= "..." class = "img - rounded">:方形
      * <img src = "..." alt= "..." class = "img - circle">:圆形
      * <img src = "..." alt= "..." class = "img - thumbnail">:相框
  * 表格
    * table
    * table - bordered
    * table - hover
  * 表单
    * form - control :给表单项定义
    * form - horizontal :给form标签定义

<!DOCTYPE html>
<html lang="zh-CN">
<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个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>Bootstrap HelloWorld</title>

    <!-- Bootstrap -->
    <link href="../css/bootstrap.min.css" rel="stylesheet">

</head>
<body>

<a class="btn btn-default" href="#" role="button">Link</a>
<button class="btn btn-default" type="submit">Button</button>
<input class="btn btn-default" type="button" value="Input">
<input class="btn btn-default" type="submit" value="Submit">

<hr>

<!-- Standard button -->
<button type="button" class="btn btn-default">(默认样式)Default</button>

<!-- Provides extra visual weight and identifies the primary action in a set of buttons -->
<button type="button" class="btn btn-primary">(首选项)Primary</button>

<!-- Indicates a successful or positive action -->
<button type="button" class="btn btn-success">(成功)Success</button>

<!-- Contextual button for informational alert messages -->
<button type="button" class="btn btn-info">(一般信息)Info</button>

<!-- Indicates caution should be taken with this action -->
<button type="button" class="btn btn-warning">(警告)Warning</button>

<!-- Indicates a dangerous or potentially negative action -->
<button type="button" class="btn btn-danger">(危险)Danger</button>

<!-- Deemphasize a button by making it look like a link while maintaining button behavior -->
<button type="button" class="btn btn-link">(链接)Link</button>
<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery,所以必须放在前边) -->
<script src="../js/jquery-3.2.1.min.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="../js/bootstrap.min.js"></script>

<hr>
<img src="../img/banner_1.jpg" class="img-responsive img-circle" alt="Responsive image">
</body>
</html>
View Code
<!DOCTYPE html>
<html lang="zh-CN">
<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个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>Bootstrap HelloWorld</title>

    <!-- Bootstrap -->
    <link href="../css/bootstrap.min.css" rel="stylesheet">

</head>
<body>

<table class="table table-bordered table-hover">
    <tr>
        <th>编号</th>
        <th>姓名</th>
        <th>年龄</th>
    </tr>
    <tr>
        <td>001</td>
        <td>张三</td>
        <td>18</td>
    </tr>
    <tr>
        <td>002</td>
        <td>李四</td>
        <td>14</td>
    </tr>
</table>

<hr>
<hr>
<hr>
<form>
    <div class="form-group">
        <label for="exampleInputEmail1">Email address</label>
        <input type="email" class="form-control" id="exampleInputEmail1" placeholder="Email">
    </div>
    <div class="form-group">
        <label for="exampleInputPassword1">Password</label>
        <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
    </div>
    <div class="form-group">
        <label for="exampleInputFile">File input</label>
        <input type="file" id="exampleInputFile">
        <p class="help-block">Example block-level help text here.</p>
    </div>
    <div class="checkbox">
        <label>
            <input type="checkbox"> Check me out
        </label>
    </div>
    <button type="submit" class="btn btn-default">Submit</button>
</form>
</body>
</html>
View Code

 

# 组件
  * 导航条

<!DOCTYPE html>
<html lang="zh-CN">
<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个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>Bootstrap HelloWorld</title>

    <!-- Bootstrap -->
    <link href="../css/bootstrap.min.css" rel="stylesheet">
    <style>
        .inner {
            border: 1px solid red;
        }
    </style>
</head>
<body>
<nav class="navbar navbar-inverse">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <!--定义汉堡按钮-->
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">Brand</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 class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
                <li><a href="#">Link</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                       aria-expanded="false">Dropdown <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">Action</a></li>
                        <li><a href="#">Another action</a></li>
                        <li><a href="#">Something else here</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">Separated link</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">One more separated link</a></li>
                    </ul>
                </li>
            </ul>
            <form class="navbar-form navbar-left" role="search">
                <div class="form-group">
                    <input type="text" class="form-control" placeholder="Search">
                </div>
                <button type="submit" class="btn btn-default">Submit</button>
            </form>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="#">Link</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                       aria-expanded="false">Dropdown <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">Action</a></li>
                        <li><a href="#">Another action</a></li>
                        <li><a href="#">Something else here</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">Separated link</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery,所以必须放在前边) -->
<script src="../js/jquery-3.2.1.min.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="../js/bootstrap.min.js"></script>
</body>
</html>
View Code

  * 分页条

<!DOCTYPE html>
<html lang="zh-CN">
<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个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>Bootstrap HelloWorld</title>

    <!-- Bootstrap -->
    <link href="../css/bootstrap.min.css" rel="stylesheet">
    <style>
        .inner {
            border: 1px solid red;
        }
    </style>
</head>
<body>
<nav>
    <ul class="pagination">
        <li class="disabled">
            <a href="#" aria-label="Previous">
                <span aria-hidden="true">&laquo;</span>
            </a>
        </li>
        <li><a href="#">1</a></li>
        <li class="active"><a href="#">2</a></li>
        <li><a href="#">3</a></li>
        <li><a href="#">4</a></li>
        <li><a href="#">5</a></li>
        <li>
            <a href="#" aria-label="Next">
                <span aria-hidden="true">&raquo;</span>
            </a>
        </li>
    </ul>
</nav>
<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery,所以必须放在前边) -->
<script src="../js/jquery-3.2.1.min.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="../js/bootstrap.min.js"></script>
</body>
</html>
View Code

# 插件
  * 轮播图

<!DOCTYPE html>
<html lang="zh-CN">
<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个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>Bootstrap HelloWorld</title>

    <!-- Bootstrap -->
    <link href="../css/bootstrap.min.css" rel="stylesheet">
    <style>
        .inner {
            border: 1px solid red;
        }
    </style>
</head>
<body>

<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
    <!-- Indicators -->
    <ol class="carousel-indicators">
        <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></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 class="carousel-inner" role="listbox">
        <div class="item active">
            <img src="../img/banner_1.jpg" alt="...">
            <div class="carousel-caption">

            </div>
        </div>
        <div class="item">
            <img src="../img/banner_2.jpg" alt="...">
            <div class="carousel-caption">
                ...
            </div>
        </div>

        <div class="item">
            <img src="../img/banner_3.jpg" alt="...">
            <div class="carousel-caption">
                ...
            </div>
        </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 class="sr-only">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 class="sr-only">Next</span>
    </a>
</div>

<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery,所以必须放在前边) -->
<script src="../js/jquery-3.2.1.min.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="../js/bootstrap.min.js"></script>
</body>
</html>
View Code

案例

<!DOCTYPE html>
<html lang="zh-CN">
<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个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>黑马旅游网</title>

    <!-- Bootstrap -->
    <link href="../css/bootstrap.min.css" rel="stylesheet">

    <style>
        .padding_top {
            padding-top: 10px;
        }

        .search {
            float: left;
            border: 2px solid goldenrod;
            width: 400px;
            height: 35px;
            padding-left: 5px;
            margin-top: 15px;
        }

        .search_btn {
            margin-top: 15px;
            float: left;
            border: 1px solid goldenrod;
            width: 90px;
            height: 35px;
            background-color: goldenrod;
            text-align: center;
            line-height: 35px;
        }

        .jx {
            border-bottom: 2px solid goldenrod;
            padding: 5px;
        }

        .company {
            height: 40px;
            background-color: goldenrod;
            text-align: center;
            line-height: 40px;
            font-size: 10px;
        }
    </style>
</head>
<body>
<!--1、页眉部分-->
<header class="container-fluid">
    <div class="row">
        <img src="../img/top_banner.jpg" class="img-responsive">
    </div>
    <div class="row padding_top">
        <div class="col-md-3">
            <img src="../img/logo.jpg" class="img-responsive">
        </div>
        <div class="col-md-6">
            <input placeholder="请输入线路信息" class="search">
            <a href="#" class="search_btn">搜索</a>
        </div>
        <div class="col-md-3">
            <img src="../img/hotel_tel.png" class="img-responsive">
        </div>
    </div>

    <!--导航栏-->
    <div class="row">
        <nav class="navbar navbar-default">
            <div class="container-fluid">
                <!-- Brand and toggle get grouped for better mobile display -->
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                            data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                        <span class="sr-only">Toggle navigation</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <a class="navbar-brand" href="#">Brand</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 class="active"><a href="#">Link <span class="sr-only">(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>
                    </ul>

                </div><!-- /.navbar-collapse -->
            </div><!-- /.container-fluid -->
        </nav>
    </div>
    <!--轮播图-->
    <div class="row">
        <div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
            <!-- Indicators -->
            <ol class="carousel-indicators">
                <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></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 class="carousel-inner" role="listbox">
                <div class="item active">
                    <img src="../img/banner_1.jpg" alt="...">
                    <div class="carousel-caption">
                    </div>
                </div>

                <div class="item">
                    <img src="../img/banner_2.jpg" alt="...">
                    <div class="carousel-caption">
                    </div>
                </div>
                <div class="item">
                    <img src="../img/banner_3.jpg" alt="...">
                    <div class="carousel-caption">
                    </div>
                </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 class="sr-only">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 class="sr-only">Next</span>
            </a>
        </div>

    </div>

</header>

<!--2、主体部分-->
<div class="container">
    <div class="row jx padding_top">
        <img src="../img/icon_5.jpg">
        <span>黑马精选</span>
    </div>

    <div class="row padding_top">
        <div class="col-md-3">
            <div class="thumbnail">
                <img src="../img/jiangxuan_3.jpg">
                <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                <font color="orange">&yen;888</font>
            </div>
        </div>
        <div class="col-md-3">
            <div class="thumbnail">
                <img src="../img/jiangxuan_3.jpg">
                <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                <font color="orange">&yen;888</font>
            </div>
        </div>
        <div class="col-md-3">
            <div class="thumbnail">
                <img src="../img/jiangxuan_3.jpg">
                <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                <font color="orange">&yen;888</font>
            </div>
        </div>
        <div class="col-md-3">
            <div class="thumbnail">
                <img src="../img/jiangxuan_3.jpg">
                <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                <font color="orange">&yen;888</font>
            </div>
        </div>

    </div>

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        <img src="../img/icon_6.jpg">
        <span>国内游</span>
    </div>

    <div class="row padding_top">
        <div class="col-md-4">
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        </div>
        <div class="col-md-8">
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                        <img src="../img/jiangxuan_1.jpg">
                        <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                        <font color="orange">&yen;888</font>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="thumbnail">
                        <img src="../img/jiangxuan_1.jpg">
                        <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                        <font color="orange">&yen;888</font>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="thumbnail">
                        <img src="../img/jiangxuan_1.jpg">
                        <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                        <font color="orange">&yen;888</font>
                    </div>
                </div>
            </div>
            <div class="row">
                <div class="col-md-4">
                    <div class="thumbnail">
                        <img src="../img/jiangxuan_1.jpg">
                        <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                        <font color="orange">&yen;888</font>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="thumbnail">
                        <img src="../img/jiangxuan_1.jpg">
                        <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                        <font color="orange">&yen;888</font>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="thumbnail">
                        <img src="../img/jiangxuan_1.jpg">
                        <p>上海直飞三亚5天4晚自由行(春节预售+亲子/蜜月/休闲游首选+豪华酒店任选+接送机)</p>
                        <font color="orange">&yen;888</font>
                    </div>
                </div>
            </div>
        </div>
    </div>
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posted @ 2020-08-08 12:29  小么VinVin  阅读(326)  评论(0编辑  收藏  举报