197

Twitter Bootstrap 的按钮有一个很好的Loading...可用状态。

问题是它只显示一条消息，就像Loading...通过这样的data-loading-text属性传递的：

<button type="button" class="btn btn-primary start" id="btnStartUploads"
        data-loading-text="@Localization.Uploading">
    <i class="icon-upload icon-large"></i>
    <span>@Localization.StartUpload</span>
</button>

查看 Font Awesome，您会看到现在有一​​个动画微调器图标。

在触发这样的操作时，我尝试集成该微调器图标Upload：

$("#btnStartUploads").button('loading');
$("#btnStartUploads i").removeAttr('class');
$("#btnStartUploads i").addClass('icon-spinner icon-spin icon-large');

但这根本没有效果，也就是说，我只看到Uploading...按钮上的文字。

按钮处于加载状态时是否可以添加图标？看起来 Bootstrap 只是<i class="icon-upload icon-large"></i>在处于加载状态时删除了按钮内的图标。

这是一个简单的演示，显示了我上面描述的行为。如您所见，当它进入 Loading 状态时，图标就消失了。它会在时间间隔之后重新出现。

4

10 回答 10

330

使用 CSS3 动画的Bootstrap 3的简单解决方案。

将以下内容放入您的 CSS 中：

.glyphicon.spinning {
    animation: spin 1s infinite linear;
    -webkit-animation: spin2 1s infinite linear;
}

@keyframes spin {
    from { transform: scale(1) rotate(0deg); }
    to { transform: scale(1) rotate(360deg); }
}

@-webkit-keyframes spin2 {
    from { -webkit-transform: rotate(0deg); }
    to { -webkit-transform: rotate(360deg); }
}

然后只需将spinning类添加到glyphicon加载时即可获得旋转图标：

<button class="btn btn-lg btn-warning">
    <span class="glyphicon glyphicon-refresh spinning"></span> Loading...    
</button>

基于http://www.bootply.com/128062#

  • 注意：IE9 及以下不支持 CSS3 动画。
于 2014-10-09T16:35:40.873 回答
101

如果您查看bootstrap-button.js源代码，您会看到 bootstrap 插件在调用时将按钮内部 html 替换为data-loading-text$(myElem).button('loading')中的任何内容。

对于您的情况，我认为您应该能够做到这一点：

<button type="button"
        class="btn btn-primary start"
        id="btnStartUploads"
        data-loading-text="<i class='icon-spinner icon-spin icon-large'></i> @Localization.Uploading">
    <i class="icon-upload icon-large"></i>
    <span>@Localization.StartUpload</span>
</button>
于 2013-02-10T04:11:53.457 回答
67

现在有一个成熟的插件：

http://msurguy.github.io/ladda-bootstrap/

于 2013-09-18T09:09:47.040 回答
14

要使@flion 的解决方案看起来非常棒，您可以调整该图标的中心点，使其不会上下晃动。这看起来适合我的小字体：

.glyphicon-refresh.spinning {
  transform-origin: 48% 50%;
}
于 2015-07-27T21:54:20.580 回答
3

一个懒惰的方法是使用 UTF-8 实体代码半圆\25E0（又名&#x25e0;），它看起来像◠，然后为它设置关键帧动画。这很简单：

.busy
{
animation: spin 1s infinite linear;
display:inline-block;
font-weight: bold;
font-family: sans-serif;
font-size: 35px;
font-style:normal;
color:#555;
}

.busy::before
{
content:"\25E0";
}

@keyframes spin
{
0% {transform: rotate(0deg);}
100% {transform: rotate(359deg);}
}
<i class="busy"></i>

于 2020-11-16T04:05:02.180 回答
2

这是我对 Bootstrap 4 的解决方案：

<button id="search" class="btn btn-primary" 
data-loading-text="<i class='fa fa-spinner fa-spin fa-fw' aria-hidden='true'></i>Searching">
  Search
</button>

var setLoading = function () {
  var search = $('#search');
  if (!search.data('normal-text')) {
    search.data('normal-text', search.html());
  }
  search.html(search.data('loading-text'));
};

var clearLoading = function () {
  var search = $('#search');
  search.html(search.data('normal-text'));
};

setInterval(() => {
  setLoading();
  setTimeout(() => {
    clearLoading();
  }, 1000);
}, 2000);

在JSFiddle上查看

于 2017-11-29T00:26:44.670 回答
2

这些是我的，基于纯 SVG 和 CSS 动画。不要关注下面代码片段中的 JS 代码，它只是用于演示目的。随意根据我的自定义制作您的自定义，这非常容易。

var svg = d3.select("svg"),
    columnsCount = 3;

['basic', 'basic2', 'basic3', 'basic4', 'loading', 'loading2', 'spin', 'chrome', 'chrome2', 'flower', 'flower2', 'backstreet_boys'].forEach(function(animation, i){
  var x = (i%columnsCount+1) * 200-100,
      y = 20 + (Math.floor(i/columnsCount) * 200);
  
  
  svg.append("text")
    .attr('text-anchor', 'middle')
    .attr("x", x)
    .attr("y", y)
    .text((i+1)+". "+animation);
  
  svg.append("circle")
    .attr("class", animation)
    .attr("cx",  x)
    .attr("cy",  y+40)
    .attr("r",  16)
});
circle {
  fill: none;
  stroke: #bbb;
  stroke-width: 4
}

.basic {
  animation: basic 0.5s linear infinite;
  stroke-dasharray: 20 80;
}

@keyframes basic {
  0%    {stroke-dashoffset: 100;}
  100%  {stroke-dashoffset: 0;}
}

.basic2 {
  animation: basic2 0.5s linear infinite;
  stroke-dasharray: 80 20;
}

@keyframes basic2 {
  0%    {stroke-dashoffset: 100;}
  100%  {stroke-dashoffset: 0;}
}

.basic3 {
  animation: basic3 0.5s linear infinite;
  stroke-dasharray: 20 30;
}

@keyframes basic3 {
  0%    {stroke-dashoffset: 100;}
  100%  {stroke-dashoffset: 0;}
}

.basic4 {
  animation: basic4 0.5s linear infinite;
  stroke-dasharray: 10 23.3;
}

@keyframes basic4 {
  0%    {stroke-dashoffset: 100;}
  100%  {stroke-dashoffset: 0;}
}

.loading {
  animation: loading 1s linear infinite;
  stroke-dashoffset: 25;
}

@keyframes loading {
  0%    {stroke-dashoffset: 0;    stroke-dasharray: 50 0; }
  50%   {stroke-dashoffset: -100; stroke-dasharray: 0 50;}
  100%  { stroke-dashoffset: -200;stroke-dasharray: 50 0;}
}

.loading2 {
  animation: loading2 1s linear infinite;
}

@keyframes loading2 {
  0% {stroke-dasharray: 5 28.3;   stroke-dashoffset: 75;}
  50% {stroke-dasharray: 45 5;    stroke-dashoffset: -50;}
  100% {stroke-dasharray: 5 28.3; stroke-dashoffset: -125; }
}

.spin {
  animation: spin 1s linear infinite;
  stroke-dashoffset: 25;
}

@keyframes spin {
  0%    {stroke-dashoffset: 0;    stroke-dasharray: 33.3 0; }
  50%   {stroke-dashoffset: -100; stroke-dasharray: 0 33.3;}
  100%  { stroke-dashoffset: -200;stroke-dasharray: 33.3 0;}
}

.chrome {
  animation: chrome 2s linear infinite;
}

@keyframes chrome {
  0%    {stroke-dasharray: 0 100; stroke-dashoffset: 25;}
  25%   {stroke-dasharray: 75 25; stroke-dashoffset: 0;}
  50%   {stroke-dasharray: 0 100;  stroke-dashoffset: -125;}
  75%    {stroke-dasharray: 75 25; stroke-dashoffset: -150;}
  100%   {stroke-dasharray: 0 100; stroke-dashoffset: -275;}
}

.chrome2 {
  animation: chrome2 1s linear infinite;
}

@keyframes chrome2 {
  0%    {stroke-dasharray: 0 100; stroke-dashoffset: 25;}
  25%   {stroke-dasharray: 50 50; stroke-dashoffset: 0;}
  50%   {stroke-dasharray: 0 100;  stroke-dashoffset: -50;}
  75%   {stroke-dasharray: 50 50;  stroke-dashoffset: -125;}
  100%  {stroke-dasharray: 0 100;  stroke-dashoffset: -175;}
}

.flower {
  animation: flower 1s linear infinite;
}

@keyframes flower {
  0%    {stroke-dasharray: 0  20; stroke-dashoffset: 25;}
  50%   {stroke-dasharray: 20 0;  stroke-dashoffset: -50;}
  100%  {stroke-dasharray: 0 20;  stroke-dashoffset: -125;}
}

.flower2 {
  animation: flower2 1s linear infinite;
}

@keyframes flower2 {
  0%    {stroke-dasharray: 5 20;  stroke-dashoffset: 25;}
  50%   {stroke-dasharray: 20 5;  stroke-dashoffset: -50;}
  100%  {stroke-dasharray: 5 20;  stroke-dashoffset: -125;}
}

.backstreet_boys {
  animation: backstreet_boys 3s linear infinite;
}

@keyframes backstreet_boys {
  0%    {stroke-dasharray: 5 28.3;  stroke-dashoffset: -225;}
  15%    {stroke-dasharray: 5 28.3;  stroke-dashoffset: -300;}
  30%   {stroke-dasharray: 5 20;  stroke-dashoffset: -300;}
  45%    {stroke-dasharray: 5 20;  stroke-dashoffset: -375;}
  60%   {stroke-dasharray: 5 15;  stroke-dashoffset: -375;}
  75%    {stroke-dasharray: 5 15;  stroke-dashoffset: -450;}
  90%   {stroke-dasharray: 5 15;  stroke-dashoffset: -525;}
  100%   {stroke-dasharray: 5 28.3;  stroke-dashoffset: -925;}
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.13.0/d3.min.js"></script>
<svg width="600px" height="700px"></svg>

也可在 CodePen 上找到：https ://codepen.io/anon/pen/PeRazr

于 2019-04-04T13:06:38.983 回答
1

这是一个受 Bulma 启发的成熟的 css 解决方案。只需添加

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      position: relative;
      min-width: 200px;
      max-width: 100%;
      min-height: 40px;
      text-align: center;
      cursor: pointer;
    }

    @-webkit-keyframes spinAround {
      from {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
      }
      to {
        -webkit-transform: rotate(359deg);
        transform: rotate(359deg);
      }
    }
    @keyframes spinAround {
      from {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
      }
      to {
        -webkit-transform: rotate(359deg);
        transform: rotate(359deg);
      }
    }

    .button.is-loading {
      text-indent: -9999px;
      box-shadow: none;
      font-size: 1rem;
      height: 2.25em;
      line-height: 1.5;
      vertical-align: top;
      padding-bottom: calc(0.375em - 1px);
      padding-left: 0.75em;
      padding-right: 0.75em;
      padding-top: calc(0.375em - 1px);
      white-space: nowrap;
    }

    .button.is-loading::after  {
      -webkit-animation: spinAround 500ms infinite linear;
      animation: spinAround 500ms infinite linear;
      border: 2px solid #dbdbdb;
      border-radius: 290486px;
      border-right-color: transparent;
      border-top-color: transparent;
      content: "";
      display: block;
      height: 1em;
      position: relative;
      width: 1em;
    }
于 2019-09-01T02:50:18.910 回答
1

我发现唯一有效的是这里的帖子： https ://stackoverflow.com/a/44548729/9488229

我对其进行了改进，现在它提供了所有这些功能：

  • 单击后禁用按钮
  • 使用本机引导程序显示动画加载图标
  • 页面加载完成后重新启用按钮
  • 页面加载完成后文本恢复原状

Javascript：

$(document).ready(function () {
    $('.btn').on('click', function() {
        var e=this;
        setTimeout(function() {
            e.innerHTML='<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> Searching...';
            e.disabled=true;
        },0);
        return true;
    });
});
于 2020-07-30T01:18:49.750 回答
0

您可以使用 Bootstrap 微调器。使用“位置：绝对”使两个按钮相互重叠。使用 JavaScript 代码，您可以删除前面的按钮，然后将显示后面的按钮。

        button {
            position: absolute;
            top: 50px;
            left: 150px;
            width: 150px;
            font-size: 120%;
            padding: 5px;
            background: #B52519;
            color: #EAEAEA;
            border: none;
            margin: 120px;
            border-radius: 5px;
            display: flex;
            align-content: center;
            justify-content: center;
            transition: all 0.5s;
            height: 40px
        }

        #orderButton:hover {
            color: #c8c8c8;
        }
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">

<button><div class="spinner-border"></div></button>
<button id="orderButton" onclick="this.style.display= 'none';">Order!</button>

于 2020-11-10T15:03:36.173 回答