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javascript - Boostrap Carousel 中的图像如何具有相同的宽度？

问题描述

这实际上是从引导网站复制粘贴，我也尝试了很多其他的东西，老实说，我很难理解这些图片如何具有相同的大小。如果您在轮播上单击下一步，您会看到高度总是不同的！

那么我该怎么做呢？我试图改变内部轮播的属性，我创建的 div，不同的 div，但没有任何反应。特别是当我使用自己的图像时，尺寸总是很奇怪。

<!doctype html>
<html lang="en">

<head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"
        integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

    <title>Hello, world!</title>
</head>

<body>
<div class="justAContainer">
    <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>
        </ol>
        <div class="carousel-inner">
          <div class="carousel-item active">
            <img class="d-block w-100" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcR5Ldsk48qcVYHL8b7hOl1kN1KMTQaE2oFlt34OkdrCELVLVZairaj4ros7uyKGQfhrTaQ&usqp=CAU" alt="First slide">
          </div>
          <div class="carousel-item">
            <img class="d-block w-100" src="https://cdn.pixabay.com/photo/2015/04/23/22/00/tree-736885__340.jpg" alt="Second slide">
          </div>
          <div class="carousel-item">
            <img class="d-block w-100" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRY8OmOh5BYsSROeZ2ZLdOD-s1IlDe9JyF08hRqKXZX_79JiXT00FAuM1lO0PS3roGwQiw&usqp=CAU" alt="Third slide">
          </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>

        <!-- Left and right controls -->
        <a class="left carousel-control" href="#startingPageCarousel" data-slide="prev">
            <span class="glyphicon glyphicon-chevron-left"></span>
            <span class="sr-only">Previous</span>
        </a>
        <a class="right carousel-control" href="#startingPageCarousel" data-slide="next">
            <span class="glyphicon glyphicon-chevron-right"></span>
            <span class="sr-only">Next</span>
        </a>
    </div>
</div>
</div>

    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
        integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
        crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
        integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
        crossorigin="anonymous"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
        integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
        crossorigin="anonymous"></script>
</body>

</html>

标签： javascripthtmlcsscarousel

解决方案

每个图像中都有一个类w-100，它是宽度的引导默认类：100%。所以它会自动占用全宽。如果你想要相同的高度，有两种方法。(1) 您必须更新相同宽度和高度的图像或制作background-image并给出div width:100%并指定其高度。

稍后谢谢我。

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0/js/bootstrap.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min.css" rel="stylesheet"/>
<div class="justAContainer">
    <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>
        </ol>
        <div class="carousel-inner">
          <div class="carousel-item active">
            <img class="d-block w-100" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcR5Ldsk48qcVYHL8b7hOl1kN1KMTQaE2oFlt34OkdrCELVLVZairaj4ros7uyKGQfhrTaQ&usqp=CAU" alt="First slide">
          </div>
          <div class="carousel-item">
            <img class="d-block w-100" src="https://cdn.pixabay.com/photo/2015/04/23/22/00/tree-736885__340.jpg" alt="Second slide">
          </div>
          <div class="carousel-item">
            <img class="d-block w-100" src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRY8OmOh5BYsSROeZ2ZLdOD-s1IlDe9JyF08hRqKXZX_79JiXT00FAuM1lO0PS3roGwQiw&usqp=CAU" alt="Third slide">
          </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>

        <!-- Left and right controls -->
        <a class="left carousel-control" href="#startingPageCarousel" data-slide="prev">
            <span class="glyphicon glyphicon-chevron-left"></span>
            <span class="sr-only">Previous</span>
        </a>
        <a class="right carousel-control" href="#startingPageCarousel" data-slide="next">
            <span class="glyphicon glyphicon-chevron-right"></span>
            <span class="sr-only">Next</span>
        </a>
    </div>

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