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colorpicker.html



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<title>颜色选择器文档 - Layui</title>
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    <div class="layui-layer-title" style="cursor: move;">目录</div>
  <li><a href="#use"><cite>使用</cite></a></li>
  <li><a href="#options"><cite>基础参数</cite></a></li>
  <li><a href="#change"><cite>颜色被改变的回调</cite></a></li>
  <li><a href="#done"><cite>颜色选择后的回调</cite></a></li>
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                <span>颜色 </span>
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                  <span class="layui-badge-dot"></span>

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            </div>
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      <li class="layui-menu-item-group" lay-options="{type: 'group', isAllowSpread: true}">
        <div class="layui-menu-body-title">
          内置模块
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            <div class="layui-menu-body-title">
              <a href="laydate.html" tppabs="https://www.layui.com/doc/modules/laydate.html">
                <span>日期与时间选择 </span>
                <span class="layui-font-12 layui-font-gray">laydate</span>
              </a>
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              </a>
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            <div class="layui-menu-body-title">
              <a href="table-1.html" tppabs="https://www.layui.com/doc/modules/table.html">
                <span>数据表格 </span>
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              <a href="upload.html" tppabs="https://www.layui.com/doc/modules/upload.html">
                <span>文件上传 </span>
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                  <span class="layui-badge-dot"></span>

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              <a href="colorpicker.html" tppabs="https://www.layui.com/doc/modules/colorpicker.html">
                <span>颜色选择器 </span>
                <span class="layui-font-12 layui-font-gray">colorpicker</span>
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                <span>评分 </span>
                <span class="layui-font-12 layui-font-gray">rate</span>
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                <span class="layui-font-12 layui-font-gray">util</span>
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                <span class="layui-font-12 layui-font-gray">code</span>
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  </div>
  <div class="layui-hide-v"> - </div>
</div>


  <div class="layui-col-md9 site-content">
    <h1 class="site-h1"><i class="layui-icon">&#xe66a;</i> 颜色选择器文档 - layui.colorpicker</h1>
    <blockquote class="layui-elem-quote layui-text">
      在主题定制的应用场景中，自然离不开颜色的自定义。而你往往需要的是关于它的直观选择，于是 colorpicker 模块姗姗来迟，它支持 hex、rgb、rgba 三类色彩模式，在代码中简单的调用后，便可在你的网页系统中自由拖拽去选择你中意的颜色。
    </blockquote>
    <blockquote class="layui-elem-quote">
      模块加载名称：<em>colorpicker</em>
      <p class="layui-text" style="margin-top: 10px;">注意：<em>colorpicker 为 layui 2.4.0 新增模块，不支持 ie10 以下版本，其它高级浏览器均支持。</em></p>
    </blockquote>


    <fieldset class="layui-elem-field layui-field-title site-title">
      <legend><a name="use">使用</a></legend>
    </fieldset>
    <div class="site-text">
      <p>colorpicker 是一款颜色选择器，如下是一个最基本的用法：</p>
      <pre class="layui-code" lay-title="小例子">
&lt;!DOCTYPE html>
&lt;html>
&lt;head>
  &lt;meta charset="utf-8">
  &lt;title>颜色选择器&lt;/title>
  &lt;link rel="stylesheet" href="../src/css/layui.css">
&lt;/head>
&lt;body>
&lt;div id="test1">&lt;/div>
&lt;script src="../src/layui.js">&lt;/script>
&lt;script>
layui.use('colorpicker', function(){
  var colorpicker = layui.colorpicker;
  //渲染
  colorpicker.render({
    elem: '#test1'  //绑定元素
  });
});
&lt;/script>
&lt;/body>
&lt;/html>
      </pre>
    </div>

    <fieldset class="layui-elem-field layui-field-title site-title">
      <legend><a name="options">基础参数</a></legend>
    </fieldset>
    <div class="site-text">
      <p>colorpicker 组件目前支持以下参数</p>
      <table class="layui-table">
        <colgroup>
          <col width="120">
          <col>
          <col width="120">
          <col width="200">
        </colgroup>
        <thead>
          <tr>
            <th>参数选项</th>
            <th>说明</th>
            <th>类型</th>
            <th>默认值</th>
          </tr>
        </thead>
        <tbody>
          <tr>
            <td>elem</td>
            <td>指向容器选择器</td>
            <td>string/object</td>
            <td>-</td>
          </tr>
          <tr>
            <td>color</td>
            <td>默认颜色，不管你是使用 hex、rgb 还是 rgba 的格式输入，最终会以指定的格式显示。</td>
            <td>string</td>
            <td>-</td>
          </tr>
          <tr>
            <td>format</td>
            <td>颜色显示/输入格式，可选值： <em>hex</em>、<em>rgb</em>
              <br>若在 rgb 格式下开启了透明度，格式会自动变成 rgba。在没有输入颜色的前提下，组件会默认为 #000 也就是黑色。
            </td>
            <td>string</td>
            <td>hex（即 16 进制色值）</td>
          </tr>
          <tr>
            <td>alpha</td>
            <td class="layui-text">是否开启透明度，若不开启，则不会显示透明框。开启了透明度选项时，当你的默认颜色为 hex 或 rgb 格式，组件会默认加上值为 1 的透明度。相同的，当你没有开启透明度，却以 rgba 格式设置默认颜色时，组件会默认没有透明度。<br>注意：<em>该参数必须配合 rgba 颜色值使用</em></td>
            <td>boolean</td>
            <td>false</td>
          </tr>
          <tr>
            <td>predefine</td>
            <td>预定义颜色是否开启</td>
            <td>boolean</td>
            <td>false</td>
          </tr>
          <tr>
            <td>colors</td>
            <td>预定义颜色，此参数需配合 <em>predefine: true</em> 使用。</td>
            <td>Array</td>
            <td>此处列举一部分：['#ff4500','#1e90ff','rgba(255, 69, 0, 0.68)','rgb(255, 120, 0)']</td>
          </tr>
          <tr>
            <td>size</td>
            <td>下拉框大小，可以选择：lg、sm、xs。</td>
            <td>string</td>
            <td>-</td>
          </tr>
        </tbody>
      </table>
    </div>
    <fieldset class="layui-elem-field layui-field-title site-title">
      <legend><a name="options">预定义颜色</a></legend>
    </fieldset>
    <div class="site-text">
      <p>预定义颜色，可以被认为是提供的参考色，因此除了我们默认的预定义颜色之外，你还可以自己定义</p>
      <pre class="layui-code" lay-title="小例子">
layui.use('colorpicker', function(){
  var colorpicker = layui.colorpicker;、

  colorpicker.render({
    elem: '#test1'
    ,predefine: true
    ,colors: ['#F00','#0F0','#00F','rgb(255, 69, 0)','rgba(255, 69, 0, 0.5)']
  });
});
      </pre>
    </div>
    <fieldset class="layui-elem-field layui-field-title site-title">
      <legend><a name="change">颜色被改变的回调</a></legend>
    </fieldset>
    <div class="site-text">
      <p>
        回调名：<em>change</em>
        <br>当颜色在选择器中发生选择改变时，会进入 change 回调，你可以通过它来进行所需操作，下面的例子就是实时的输出当前选择器的颜色
      </p>
      <pre class="layui-code" lay-title="小例子">
layui.use('colorpicker', function(){
  var colorpicker = layui.colorpicker;

  colorpicker.render({
    elem: '#test1'
    ,change: function(color){
      console.log(color)
    }
  });
});
      </pre>
    </div>

    <fieldset class="layui-elem-field layui-field-title site-title">
      <legend><a name="done">颜色选择后的回调</a></legend>
    </fieldset>
    <div class="site-text">
      <p>
        回调名：<em>done</em>
        <br>点击颜色选择器的“确认”和“清除”按钮，均会触发 done 回调，回调返回当前选择的色值。
      </p>
      <pre class="layui-code" lay-title="小例子">
layui.use('colorpicker', function(){
  var colorpicker = layui.colorpicker;

  colorpicker.render({
    elem: '#test1'
    ,done: function(color){
      console.log(color)
      //譬如你可以在回调中把得到的 color 赋值给表单
    }
  });
});
      </pre>
    </div>

    <fieldset class="layui-elem-field layui-field-title site-title">
      <legend><a name="docend">结语</a></legend>
    </fieldset>
    <div class="site-text">
      <p>颜色选择器不仅仅是独立使用，它更多情况可能是跟表单结合使用。</p>
    </div>

    <div class="layui-elem-quote">
  <p>layui - 在每一个细节中，用心与你沟通</p>
</div>

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