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css - Bootstrap 图标的问题

问题描述

我的 Bootstrap 设置有问题。我正在学习引导程序。我试图用引导程序设计一个按钮。我想在按钮上添加一些图标，但我无法让它工作。我尝试了很多教程，甚至在引导页面上给出了示例......任何人都可以帮助我找出我的错误吗？提前致谢。:)

这是我的代码：

{% load static %}


<body>
    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
        <div class="container">
        <a class="navbar-brand" href="#">Hey!!!, {{user.username}}</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 ml-auto">
            <li class="nav-item active">
              <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">Registration</a>
              </li>
              <li class="nav-item">
                <a class="nav-link" href="{% url 'logout' %}">Log Out</a>
              </li>
              <li class="nav-item">
                <a class="nav-link" href="{% url 'login' %}">My Account</a>
              </li>


          </ul>

        </div>
    </div>
    </nav>


    <div class="container bordere" >








<div class="mt-2">
    <a href="{% url 'authuser' %}"> <button class="btn btn-primary my-2 my-sm-0" type="button">Add Items</button></a> 
    <button class="btn btn-primary my-2 my-sm-0 " type="submit"><span class="glyphicon glyphicon-cog"></span>View Details</button>
    <button class="btn btn-primary my-2 my-sm-0" type="submit">Download Report</button>
    <button class="btn btn-primary my-2 my-sm-0" type="submit">Email Report</button>
    <button class="btn btn-primary my-2 my-sm-0" type="submit">Create Bill</button>
    <button class="btn btn-primary my-2 my-sm-0" type="submit">Modify Data</button>
    <button type="button" class="btn btn-danger">
        Delete<span class="glyphicon glyphicon-remove-sign"></span>
       </button>

</div>


            <div class="row mb-2 mt-2">
                <div class="col-2 bordere miniheight">
                    clo 1
                </div>
                <div class="col-10 bordere">
                    clo 2
                </div>




            </div>

</div>

<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>




</body>

这是示例代码：

<!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://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">

    <title>Hello, world!</title>
  </head>
  <body>
    <h1>Hello, world!</h1>
<button type="button" class="btn btn-danger">
            Delete<span class="glyphicon glyphicon-remove-sign"></span>
           </button>
    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>
  </body>
</html>

示例代码的输出：单击此处 我的代码输出：单击此处

解决方案：根据 Komninos 先生的说法，我正在寻找错误的文档。这是真的。我用 fontawesome 图标解决了它，它现在可以工作了..

工作代码：

{% load static %}


</head>


<body>
    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
        <div class="container">
        <a class="navbar-brand" href="#">Hey!!!, {{user.username}}</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 ml-auto">
            <li class="nav-item active">
              <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">Registration</a>
              </li>
              <li class="nav-item">
                <a class="nav-link" href="{% url 'logout' %}">Log Out</a>
              </li>
              <li class="nav-item">
                <a class="nav-link" href="{% url 'login' %}">My Account</a>
              </li>


          </ul>

        </div>
    </div>
    </nav>


    <div class="container bordere" >








<div class="mt-2">
    <a href="{% url 'authuser' %}"> <button class="btn btn-primary my-2 my-sm-0" type="button">Add Items</button></a> 
    <button class="btn btn-primary my-2 my-sm-0 " type="submit"><i class="fas fa-1x fa-search"> </i> View Details</button>
    <button class="btn btn-primary my-2 my-sm-0" type="submit">Download Report</button>
    <button class="btn btn-primary my-2 my-sm-0" type="submit">Email Report</button>
    <button class="btn btn-primary my-2 my-sm-0" type="submit">Create Bill</button>
    <button class="btn btn-primary my-2 my-sm-0" type="submit">Modify Data</button>
    <button type="button" class="btn btn-danger">
        Delete<span class="glyphicon glyphicon-remove-sign"></span>
       </button>

</div>


            <div class="row mb-2 mt-2">
                <div class="col-2 bordere miniheight">
                    clo 1
                </div>
                <div class="col-10 bordere">
                    clo 2
                </div>




            </div>

</div>

<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>

</body>

工作输出：点击这里

标签： cssbootstrap-4

解决方案

在 Bootstrap 4 中删除了 Glyphicons。您可能正在查看 v3 文档。关联

您可以在此处找到相同的图标或使用FontAwesome。

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