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4.1.1bootStrap布局.rar

老师:请问一下我这个代码怎么无法实现布局效果呢,总是占100%


WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4基础 1楼

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>实战</title>
    <link rel="stylesheet" href="css/bootstrap.min.css" />
    <link rel="stylesheet" href="css/index.css" />
</head>
<body>
<!--导航条-->
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
    <a class="navbar-brand">
        <img src="images/footer_logo.png" width="100" height="40" class="d-inline-block align-top" alt="" />
    </a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
            aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarSupportedContent">
        <ul class="navbar-nav mr-auto">
            <li class="nav-item active">
                <a class="nav-link" href="#">全国</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">游戏</a>
            </li>
            <li class="nav-item dropdown">
                <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                    演出
                </a>
                <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                    <a class="dropdown-item" href="#">喜剧</a>
                    <a class="dropdown-item" href="#">话剧</a>
                    <div class="dropdown-divider"></div>
                    <a class="dropdown-item" href="#">想象</a>
                </div>
            </li>
            <li class="nav-item">
                <a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">
                    不被选中
                    <span class="badge badge-danger">new</span>
                </a>
            </li>
        </ul>
        <form class="form-inline my-2 my-lg-0">
            <input class="form-control mr-sm-2" type="search" placeholder="搜索" aria-label="Search">
            <button class="btn btn-outline-success my-2 my-sm-0" type="submit">搜索</button>
        </form>
    </div>
</nav>
<!--轮播图-->
<div class="banner">
    <div class="container">
        <div class="row">
            <div class="col-md-8">
                <div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
                    <ol class="carousel-indicators">
                        <li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
                        <li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
                        <li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
                        <li data-target="#carouselExampleIndicators" data-slide-to="3"></li>
                    </ol>
                    <div class="carousel-inner">
                        <div class="carousel-item active">
                            <img src="images/1.jpg" class="d-block w-100" alt="...">
                        </div>
                        <div class="carousel-item">
                            <img src="images/2.jpg" class="d-block w-100" alt="...">
                        </div>
                        <div class="carousel-item">
                            <img src="images/3.jpg" class="d-block w-100" alt="...">
                        </div>
                        <div class="carousel-item">
                            <img src="images/4.jpg" class="d-block w-100" alt="...">
                        </div>
                    </div>
                    <a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
                        <span class="carousel-control-prev-icon" aria-hidden="true"></span>
                        <span class="sr-only">Previous</span>
                    </a>
                    <a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
                        <span class="carousel-control-next-icon" aria-hidden="true"></span>
                        <span class="sr-only">Next</span>
                    </a>
                </div>
            </div>
            <div class="col-md-4">
                <div class="box">
                    <img src="images/img1.jpg" class="img-fluid" alt="..." />
                    <ul>
                        <li><a href="#">音乐节</a></li>
                        <li><a href="#">音乐节</a></li>
                        <li><a href="#">音乐节</a></li>
                        <li><a href="#">音乐节</a></li>
                    </ul>
                </div>
            </div>
        </div>
    </div>
</div>
<!--内容区域-->
<div class="container">
    <div class="row content-one">
        <div class="col-md-9">
            <div class="row">
                <div class="col-6 col-md-3">
                    <div class="card">
                        <img class="card-img-top" src="images/5.jpg" />
                        <div class="card-body">
                            12345
                        </div>
                    </div>
                </div>
                <div class="col-6 col-md-3">
                    <div class="card">
                        <img class="card-img-top" src="images/6.jpg" />
                        <div class="card-body">
                            12345
                        </div>
                    </div>
                </div>
                <div class="col-6 col-md-3">
                    <div class="card">
                        <img class="card-img-top" src="images/7.jpg" />
                        <div class="card-body">
                            12345
                        </div>
                    </div>
                </div>
                <div class="col-6 col-md-3">
                    <div class="card">
                        <img class="card-img-top" src="images/8.jpg" />
                        <div class="card-body">
                            12345
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <nav>
                <div class="nav nav-tabs" id="nav-tab" role="tablist">
                    <a class="nav-item nav-link active" id="nav-home-tab" data-toggle="tab" href="#nav-home" role="tab" aria-controls="nav-home" aria-selected="true">首页</a>
                    <a class="nav-item nav-link" id="nav-profile-tab" data-toggle="tab" href="#nav-profile" role="tab" aria-controls="nav-profile" aria-selected="false">其他</a>
                </div>
            </nav>
            <div class="tab-content" id="nav-tabContent">
                <div class="tab-pane fade show active" id="nav-home" role="tabpanel" aria-labelledby="nav-home-tab">
                    <img src="images/img2.jpg" class="img-fluid" alt="..." />
                    123456
                </div>
                <div class="tab-pane fade" id="nav-profile" role="tabpanel" aria-labelledby="nav-profile-tab">
                    <img src="images/img3.jpg" class="img-fluid" alt="..." />
                    12345
                </div>
            </div>
        </div>
    </div>
    <img src="images/ad1.jpg" class="img-fluid" alt=".." />
    <div class="row content-three">
        <div class="col-md-9">
            <nav>
                <div class="nav nav-tabs" id="nav-tab1" role="tablist">
                    <a class="nav-item nav-link active" id="nav-home-tab1" data-toggle="tab" href="#nav-home1" role="tab" aria-controls="nav-home1" aria-selected="true">演唱会</a>
                    <a class="nav-item nav-link" id="nav-profile-tab1" data-toggle="tab" href="#nav-profile1" role="tab" aria-controls="nav-profile1" aria-selected="false">舞台</a>
                    <a class="nav-item nav-link" id="nav-contact-tab" data-toggle="tab" href="#nav-contact" role="tab" aria-controls="nav-contact" aria-selected="false">话剧</a>
                    <a class="nav-item nav-link" id="nav-contact-tab1" data-toggle="tab" href="#nav-contact1" role="tab" aria-controls="nav-contact1" aria-selected="false">综艺</a>
                </div>
            </nav>
            <div class="tab-content" id="nav-tabContent1">
                <div class="tab-pane fade show active" id="nav-home1" role="tabpanel" aria-labelledby="nav-home-tab">
                    <div class="row">
                        <div class="col-md-3 col-sm-6 tab-list">
                            <div class="card">
                                <img class="card-img-top" src="images/9.jpg" alt="">
                                <p>[上海]百老汇经典音乐剧《狮子王》</p>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6 tab-list">
                            <div class="card">
                                <img class="card-img-top" src="images/10.jpg" alt="">
                                <p>[上海]百老汇经典音乐剧《狮子王》</p>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6 tab-list">
                            <div class="card">
                                <img class="card-img-top" src="images/11.jpg" alt="">
                                <p>[上海]百老汇经典音乐剧《狮子王》</p>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6 tab-list">
                            <div class="card">
                                <img class="card-img-top" src="images/12.jpg" alt="">
                                <p>[上海]百老汇经典音乐剧《狮子王》</p>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6 tab-list">
                            <div class="card">
                                <img class="card-img-top" src="images/9.jpg" alt="">
                                <p>[上海]百老汇经典音乐剧《狮子王》</p>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6 tab-list">
                            <div class="card">
                                <img class="card-img-top" src="images/10.jpg" alt="">
                                <p>[上海]百老汇经典音乐剧《狮子王》</p>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6 tab-list">
                            <div class="card">
                                <img class="card-img-top" src="images/11.jpg" alt="">
                                <p>[上海]百老汇经典音乐剧《狮子王》</p>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6 tab-list">
                            <div class="card">
                                <img class="card-img-top" src="images/12.jpg" alt="">
                                <p>[上海]百老汇经典音乐剧《狮子王》</p>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="tab-pane fade" id="nav-profile1" role="tabpanel" aria-labelledby="nav-profile-tab">
                    <div class="row">
                        <div class="col-md-3 col-sm-6">
                            <div class="card">
                                <img class="card-img-top" src="images/5.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6">
                            <div class="card">
                                <img class="card-img-top" src="images/6.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6">
                            <div class="card">
                                <img class="card-img-top" src="images/7.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-md-3 col-sm-6">
                            <div class="card">
                                <img class="card-img-top" src="images/8.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="tab-pane fade" id="nav-contact" role="tabpanel" aria-labelledby="nav-contact-tab">
                    <div class="row">
                        <div class="col-6 col-md-3">
                            <div class="card">
                                <img class="card-img-top" src="images/5.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-6 col-md-3">
                            <div class="card">
                                <img class="card-img-top" src="images/6.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-6 col-md-3">
                            <div class="card">
                                <img class="card-img-top" src="images/7.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-6 col-md-3">
                            <div class="card">
                                <img class="card-img-top" src="images/8.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="tab-pane fade" id="nav-contact1" role="tabpanel" aria-labelledby="nav-contact-tab">
                    <div class="row">
                        <div class="col-6 col-md-3">
                            <div class="card">
                                <img class="card-img-top" src="images/5.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-6 col-md-3">
                            <div class="card">
                                <img class="card-img-top" src="images/6.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-6 col-md-3">
                            <div class="card">
                                <img class="card-img-top" src="images/7.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                        <div class="col-6 col-md-3">
                            <div class="card">
                                <img class="card-img-top" src="images/8.jpg" />
                                <div class="card-body">
                                    12345
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="content-right">
                <div class="item">
                    内容1
                </div>
                <div class="item">
                    内容2
                </div>
                <div class="item">
                    内容3
                </div>
            </div>
        </div>
    </div>
</div>

<div class="footer">
    <div class="container">
        <div class="row">
            <div class="col-md-4 clearfix">
                <img class="pull-left" src="images/footer_logo.png" alt=".." />
                <div class="info pull-right">
                    <p class="footer-title">电影官网</p>
                    <p class="small">占座</p>
                </div>
            </div>
            <div class="col-md-4 clearfix">
                <img class="pull-left" src="images/phoneIcon.png" alt=".." />
                <div class="info pull-right">
                    <p class="footer-title">电影官网</p>
                    <p class="small">占座</p>
                </div>
            </div>
            <div class="col-md-4 clearfix">
                <img class="pull-left" src="images/f_wx.png" alt=".." />
                <img class="pull-left" src="images/f_wpr.png" alt=".." />

                <div class="info pull-right">
                    <p class="footer-title">电影官网</p>
                    <p class="small">占座</p>
                </div>
            </div>
            <p class="address">@2015北京微影时代科技有限公司版权所有  京ICP备14034406号-2</p>
        </div>
    </div>
</div>
<script src="js/jquery-1.12.4.min.js"></script>
<script src="js/bootstrap.min.js"></script>
</body>
</html>

image.pngimage.pngimage.png和视频里老师写的代码还是有点区别的,不过效果基本上都达到了

WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4实战 2楼

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/bootstrap.min.css">
    <link rel="stylesheet" href="css/index.css">
</head>
<body>

<div class="container" style="width: 500px">
    <div class="row">
        <!--one-->
        <div id="carouselExampleControls" class="carousel slide" data-ride="carousel">
            <div class="carousel-inner">
                <div class="carousel-item active">
                    <img src="http://code.z01.com/img/2016instbg_01.jpg" class="d-block w-100" alt="...">
                </div>
                <div class="carousel-item">
                    <img src="http://code.z01.com/img/2016instbg_02.jpg" class="d-block w-100" alt="...">
                </div>
                <div class="carousel-item">
                    <img src="http://code.z01.com/img/2016instbg_03.jpg" class="d-block w-100" alt="...">
                </div>
            </div>
            <a class="carousel-control-prev" href="#carouselExampleControls" role="button" data-slide="prev">
                <span class="carousel-control-prev-icon" aria-hidden="true"></span>
                <span class="sr-only">Previous</span>
            </a>
            <a class="carousel-control-next" href="#carouselExampleControls" role="button" data-slide="next">
                <span class="carousel-control-next-icon" aria-hidden="true"></span>
                <span class="sr-only">Next</span>
            </a>
        </div>
    </div>
    <div class="row">
        <!--        two-->
        <div id="carouselExampleIndicators" class="carousel slide" data-bs-ride="carousel">
            <div class="carousel-indicators">
                <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="0" class="active"
                        aria-current="true" aria-label="Slide 1"></button>
                <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="1"
                        aria-label="Slide 2"></button>
                <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="2"
                        aria-label="Slide 3"></button>
            </div>
            <div class="carousel-inner">
                <div class="carousel-item active">
                    <img src="./images/1.jpg" class="d-block w-100" alt="...">
                </div>
                <div class="carousel-item">
                    <img src="./images/3.jpg" class="d-block w-100" alt="...">
                </div>
                <div class="carousel-item">
                    <img src="./images/2.jpg" class="d-block w-100" alt="...">
                </div>
            </div>
            <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleIndicators"
                    data-bs-slide="prev">
                <span class="carousel-control-prev-icon" aria-hidden="true"></span>
                <span class="visually-hidden">Previous</span>
            </button>
            <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleIndicators"
                    data-bs-slide="next">
                <span class="carousel-control-next-icon" aria-hidden="true"></span>
                <span class="visually-hidden">Next</span>
            </button>
        </div>
    </div>
</div>
<script src="js/jquery-1.12.4.min.js"></script>
<script src="js/bootstrap.min.js"></script>
</body>
</html>



image.png


老师,第二个例子是复制的bootstrap官网上的轮播图,但是效果并没有达到,第一个是文档中的,二者并没有差距,但实现效果为何不同呢?而且官网很多都实现不了,是什么原因?



WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4实战 3楼

4.1.1bootStrap布局.rar

bootstrap-4.5.0-dist.zip

老师  我更改了bootstrap的版本还是无法实现布局的效果,引入老师您给版本在移动端小屏时占比不是100%。bootstrap的版本有些什么注意的地方吗

WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4基础 5楼

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- .card卡片组件(样式)
        卡片是一个灵活的、可扩展的内容窗口,同时可以做出多种展示效果变体。
        .card卡片组件是BootStrap 4新增的一组重要样式,它是一一个灵活的、可扩展的内容器,包含了可选的卡片头和卡片脚、一个大范围的内容、上下文背景色以及强大的显示选项。
        使用按钮组合,可以把一系列按钮编组在一行里,并通过可选的JavaScript插件(方法)赋予按钮单选、复选等强化行为。 -->

        <!-- 下面是一个具有混合内容并固定了宽度的基本.card卡片使用范例,如果.card卡片如果没有定义宽度,将
        自然地填满父元素的全宽-利用这个属性,我们可以轻松的订制各种尺寸的卡片。 -->
        <div class="card" style="width:18rem; ">
            <img class="card-img-top" src="img/container.png" alt="Card image cap">
            <div class="card-body">
                <h5 class="card-title">Card title</h5>
                <p class="card-text">some quick example text to build on the card title and make card's content.</p>
                <a href="#" class="btn btn-primary">Go somewhere</a>
            </div>
        </div>

</body>
</html>

QQ截图20201027122428.png

老师 我这个为什么出不来外面的边框啊 您看看是哪里出问题了


WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4组件 6楼

老师好,在测试tooltips和popovers时候,popover没有弹出,而且在BootStrap样式中没有找到“.tooltip-test”和“.popover-test”这两个样式,倒是有一些关于“.bs-tooltip-*”和“.bs-popover-*”的样式,帮忙指导一下这个没有弹出的问题以及这一套样式的用法,谢谢。

<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#staticBackdrop">
    Launch static backdrop modal
</button>
<div class="modal" tabindex="-1" id="staticBackdrop" role="dialog">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Modal title</h5>
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">&times;</span>
                </button>
            </div>
            <div class="modal-body">
                <h5>Popover in a modal</h5>
                <p>This <a href="#" role="button" class="btn btn-secondary popover-test" title="Popover title" data-content="Popover body content is set in this attribute.">button</a> triggers a popover on click.</p>
                <hr>
                <h5>Tooltips in a modal</h5>
                <p><a href="#" class="tooltip-test" title="Tooltip">This link</a> and <a href="#" class="tooltip-test" title="Tooltip">that link</a> have tooltips on hover.</p>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
                <button type="button" class="btn btn-primary">Save changes</button>
            </div>
        </div>
    </div>
</div>


WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4组件 7楼

4.1.1BootStrap布局.zip

bootstrap-5.0.0-beta2-dist.zip

老师,我在官方下载的,在移动端不是100%,怎么回事?

WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4基础 9楼
WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap组件 10楼

老师,如果整个div高度定下来,里面表格的内容多出来了,我还想不换行,不加滚动条,全部显示,有办法吗?

我在写的时候,发现如果table不定宽度,那td里的内容没办法隐藏,可是我想法是弹性布局,这宽度定下来了,就不是那种分成3列的弹性布局了,这个有办法避免吗?实在不好意思,老师,代码让我整的有点长,麻烦老师了。

<!DOCTYPE html>
<html>
<head>
    <link rel="icon" href="/hpi/favicon.ico" type="image/x-icon" />
    <meta name="viewport" content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
    <title>练习</title>
    <script src="static/js/href.js"></script>
    <!-- 框架必须 start -->
    <link rel="stylesheet" href="static/css/bootstrap.min.css" />
    <link rel="stylesheet" href="static/css/font-awesome.css" />
    <script src="static/js/jquery-2.0.3.min.js"></script>
    <script src="static/js/bootstrap.min.js"></script>
    <script src="static/js/jquery-ui.min.js"></script>
    <script src="static/js/inspinia.js"></script>
    <!-- 框架必须 end -->
    <!-- 消息提示插件 start -->
    <link rel="stylesheet" href="static/css/toastr/toastr.min.css" />
    <script src="static/js/toastr/toastr.min.js"></script>
    <!-- 消息提示插件 end -->

    <!-- 弹窗插件 strart-->
    <link rel="stylesheet" href="static/css/sweetalert/sweetalert.css" />
    <script src="static/js/sweetalert/sweetalert.min.js"></script>
    <!-- 弹窗插件 end -->
    <!-- 框架必须(需要放到最后) start -->
    <link rel="stylesheet" href="static/css/animate.css" />
    <link rel="stylesheet" href="static/css/style.css" />
    <link rel="stylesheet" href="static/css/theme.css" />
    <!-- 框架必须(需要放到最后) end -->
    <!-- 菜单插件 start -->
    <script src="static/js/metisMenu/jquery.metisMenu.js"></script>
    <!-- 菜单插件 end -->
    <!-- 滚动条插件 start -->
    <script src="static/js/slimscroll/jquery.slimscroll.js"></script>
    <!-- 滚动条插件 end -->
    <!-- Echarts start -->
    <script src="static/js/echarts/echarts.js" type="text/javascript" charset="utf-8"></script>
    <script src="static/js/echarts/dark.js" type="text/javascript" charset="utf-8"></script>
    <script src="static/js/echarts/chalk.js" type="text/javascript" charset="utf-8"></script>
    <script src="static/js/echarts/walden.js" type="text/javascript" charset="utf-8"></script>
    <!-- Echarts end -->
    <link rel="stylesheet" href="static/css/datatables/datatables.min.css" />
    <script src="static/js/datatables/datatables.min.js"></script>
    <style>
       td{
            color: black;
           font-size:1rem;
        }
       #div{
           display: flex;
       }
      td{
          width: 10px;
          overflow:hidden;
          white-space:nowrap;
          text-overflow:ellipsis;
          -webkit-text-overflow:ellipsis;
       }
      #div1{
      flew-grow:1;
      }
       #div2{
           flew-grow:1
       }
       #div3{
            flew-grow:1
        }
       #div1>table{
           width: 400px ;
           table-layout: fixed
       }
      #div1 >table>td{
           width: 20px;
           border: #0e9aef 1px solid;
           overflow:hidden;
           white-space:nowrap;
           text-overflow: ellipsis;
           -webkit-text-overflow: ellipsis;
       }
        @media screen and (min-width:992px) {
            .col-md-4{
                font-size: 0.1rem}
            @media screen and (min-width:768px) and (max-width: 992px) {
                .col-md-4{
                    font-size: 0.1rem;}
       @media screen and (max-width:768px) {
           .col-md-4 {
               font-size: 0.1rem}
       }
    </style>
<body style="border: rosybrown 1px solid;height: 400px">
    <div class="row" id="div" style="border: #0d3349 1px solid">
        <div class="col-md-4 " id="div1" style="height:100%  ;" >
           <table class="table-hover" >
               <thead><tr><td>收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr></thead>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
               <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
        </table>
        </div>
        <div class="col-md-4" id="div2" style="height:100%;border: green 1px solid ">
            <table class="table-hover">
                <thead><tr><td>收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr></thead>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
            </table>
        </div>
        <div class="col-md-4" id="div3" style="height:100%  ;border: blue 1px solid">
            <table class="table-hover">
                <thead><tr><td>收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr></thead>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
                <tr><td>收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册收藏手册</td><td>收藏手册</td><td>收藏手册</td></tr>
            </table>
        </div>
    </div>
    <div id="text">长文字长文字长文字长文字长文字长文字长文字长文字长文字长文字长文字长文字长文字长文字</div>
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