轮播图不切换

bootstrapV4.4.1版本下载

bootstrapV4.4.1：https://getbootstrap.net/docs/getting-started/download/

jq：https://www.jq22.com/jquery-info122  （Github源码：https://github.com/jquery/jquery/releases/tag/3.3.1）

popper.js：https://unpkg.com/browse/popper.js@1.14.7/  （Github源码：https://github.com/popperjs/popper-core/releases/tag/v1.14.7）

 

<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 src="imgs/slide_01_640x340.jpg" class="d-block w-100" alt="...">
        </div>
        <div class="carousel-item">
            <img src="imgs/slide_01_640x340.jpg" class="d-block w-100" alt="...">
        </div>
        <div class="carousel-item">
            <img src="imgs/slide_01_640x340.jpg" class="d-block w-100" alt="...">
        </div>
    </div>
    <button class="carousel-control-prev" type="button" data-target="#carouselExampleIndicators" data-slide="prev">
        <span class="carousel-control-prev-icon" aria-hidden="true"></span>
        <span class="sr-only">Previous</span>
    </button>
    <button class="carousel-control-next" type="button" data-target="#carouselExampleIndicators" data-slide="next">
        <span class="carousel-control-next-icon" aria-hidden="true"></span>
        <span class="sr-only">Next</span>
    </button>
</div>

 

 

 

 

 

 

 

 

 

 

<!-- 新 Bootstrap4 核心 CSS 文件 -->

  <!-- jQuery文件。务必在bootstrap.min.js 之前引入 -->

  <!-- 最新的 Bootstrap4 核心 JavaScript 文件 -->

 

删除两个 integrity属性和crossorigin属性

<script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-7ymO4nGrkm372HoSbq1OY2DP4pEZnMiA+E0F3zPr+JQQtQ82gQ1HPY3QIVtztVua" crossorigin="anonymous"></script>