【问题标题】:Why location fontawesome icon not working with placeholder?为什么位置 fontawesome 图标不能与占位符一起使用?
【发布时间】:2021-11-02 13:28:43
【问题描述】:

我在两个输入字段中使用相同的技术在占位符中使用字体真棒图标。在搜索的情况下,它工作正常,但在位置的情况下,它不起作用我尝试更改 CDN 链接,但它不起作用。 你可以看下图更清楚。

提前致谢 :-)

.placeholder-icons {
    font-family: fontawesome;
}
<html>

<head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- bootstrap csss -->
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
        integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous" />

    <link rel="stylesheet" type="text/css"
        href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />

    
    <!-- custom css -->
</head>
<body>
   <div class="row container">
                                        <div class="col-md-5 p-2">
                                            <input type="text" class="form-control placeholder-icons" id="skill_input"
                                                placeholder=" &#xf002; SearchSkills, Designations, Companies">
                                        </div>
                                        <div class="col-md-5 p-2">
                                            <input type="text" class="form-control placeholder-icons"
                                                placeholder=" &#xf3c5; Enter Locations">
                                        </div>
                                        <div class="col-md-2 p-2">
                                            
                                        </div>
                                    </div>
                                
</body>
</html>

【问题讨论】:

标签: html css twitter-bootstrap bootstrap-4 font-awesome


【解决方案1】:

你可能在 4.7.0 版本中使用了错误的 unicode

尝试 https://fontawesome.com/v4.7/icon/map-marker 至极 &amp;#xf041 ,如果用作伪元素,则 unicode 是 \f041

.placeholder-icons {
  font-family: fontawesome;
}
<html>

<head>
  <!-- Required meta tags -->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <!-- bootstrap csss -->
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous" />

  <link rel="stylesheet" type="text/css" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />


  <!-- custom css -->
</head>

<body>
  <div class="row container">
    <div class="col-md-5 p-2">
      <input type="text" class="form-control placeholder-icons" id="skill_input" placeholder=" &#xf002; SearchSkills, Designations, Companies">
    </div>
    <div class="col-md-5 p-2">
      <input type="text" class="form-control placeholder-icons" placeholder=" &#xf041; Enter Locations">
    </div>
    <div class="col-md-2 p-2">

    </div>
  </div>

</body>

</html>

【讨论】:

    【解决方案2】:

    您似乎已经为一个名为 map-marker-alt 的图标获取了 Fontawesome 代码,该图标存在于 Fontawesome 版本 5 中,但不是您正在加载的 Fontawesome 版本 4。

    代码 f041 在两个版本中都给出了地图标记,尽管它们在视觉上并不完全相同。

    不管怎样,这个 sn-p 给出了一个位置标记,我认为是您在使用版本 4 时所期望的类型:

    .placeholder-icons {
        font-family: fontawesome;
    }
    <html>
    
    <head>
        <!-- Required meta tags -->
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
        <!-- bootstrap csss -->
        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
            integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous" />
    
        <link rel="stylesheet" type="text/css"
            href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />
    
        
        <!-- custom css -->
    </head>
    <body>
       <div class="row container">
                                            <div class="col-md-5 p-2">
                                                <input type="text" class="form-control placeholder-icons" id="skill_input"
                                                    placeholder=" &#xf002; SearchSkills, Designations, Companies">
                                            </div>
                                            <div class="col-md-5 p-2">
                                                <input type="text" class="form-control placeholder-icons"
                                                    placeholder=" &#xf041; Enter Locations">
                                            </div>
                                            <div class="col-md-2 p-2">
                                                
                                            </div>
                                        </div>
                                    
    </body>
    </html>

    【讨论】:

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