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			<h1>CSS 提示工具(Tooltip)
</h1>
<p>本文我们为大家介绍如何使用 HTML 与 CSS 来创建提示工具。</p>
<p>提示工具在鼠标移动到指定元素后触发，先看以下四个实例：</p>

<style>
.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted #ccc;
    zcursor: help;
    color: #006080;
}
.tooltip .tooltiptext {
    visibility: hidden;
    position: absolute;
    width: 120px;
    background-color: #555;
    color: #fff;
    text-align: center;
    padding: 5px 0;
    border-radius: 6px;
    z-index: 1;
    opacity: 0;
    transition: opacity .6s;
}
.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}
.tooltip .tooltiptext2 {
    visibility: hidden;
    position: absolute;
    width: 120px;
    background-color: #555;
    color: #fff;
    text-align: center;
    padding: 5px 0;
    border-radius: 6px;
    z-index: 1;
}
.tooltip:hover .tooltiptext2 {
    visibility: visible;
}
.tooltip-right {
  top: -5px;
  left: 125%;  
}
.tooltip-right2 {
  top: -5px;
  left: 105%;  
}

.tooltip-right::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 100%;
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent #555 transparent transparent;
}

.tooltip-bottom {
  top: 135%;
  left: 50%;  
  margin-left: -60px;
}

.tooltip-bottom2 {
  top: 125%;
  left: 50%;  
  margin-left: -60px;
}

.tooltip-bottom::after {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent #555 transparent;
}

.tooltip-top {
  bottom: 125%;
  left: 50%;  
  margin-left: -60px;
}
.tooltip-top2 {
  bottom: 115%;
  left: 50%;  
  margin-left: -60px;
}

.tooltip-top::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #555 transparent transparent transparent;
}

.tooltip-left {
  top: -5px;
  bottom:auto;
  right: 128%;  
}

.tooltip-left2 {
  top: -5px;
  bottom:auto;
  right: 105%;  
}

.tooltip-left::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 100%;
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent #555;
}

.tooltip .tooltiptext-bottomarrow {
    visibility: hidden;
    width: 120px;
    background-color: #111;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    z-index: 1;
    bottom: 130%;
    left: 50%;
    margin-left: -60px;
}
.tooltip .tooltiptext-bottomarrow::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: black transparent transparent transparent;
}
.tooltip:hover .tooltiptext-bottomarrow {
    visibility: visible;
}

.tooltip .tooltiptext-toparrow {
    visibility: hidden;
    width: 120px;
    background-color: #111;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    z-index: 1;
    top: 150%;
    left: 50%;
    margin-left: -60px;
}
.tooltip .tooltiptext-toparrow::after {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent black transparent;
}
.tooltip:hover .tooltiptext-toparrow {
    visibility: visible;
}

.tooltip .tooltiptext-leftarrow {
    visibility: hidden;
    width: 120px;
    background-color: #111;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    z-index: 1;
    top: -5px;
    left: 110%;
}
.tooltip .tooltiptext-leftarrow::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 100%;
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent black transparent transparent;
}
.tooltip:hover .tooltiptext-leftarrow {
    visibility: visible;
}
.tooltip .tooltiptext-rightarrow {
    visibility: hidden;
    width: 120px;
    background-color: #111;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    z-index: 1;
    top: -5px;
    right: 110%;
}
.tooltip .tooltiptext-rightarrow::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 100%;
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent black;
}
.tooltip:hover .tooltiptext-rightarrow {
    visibility: visible;
}
</style>
<table class="reference">
<tr><td>
  <div class="tooltip">头部显示
    <span class="tooltiptext tooltip-top">提示框文本</span>
  </div>
</td><td>


  <div class="tooltip">右边显示
    <span class="tooltiptext tooltip-right">提示框文本</span>
  </div>
</td><td>


  <div class="tooltip">底部显示
    <span class="tooltiptext tooltip-bottom">提示框文本</span>
  </div>

</td><td>


  <div class="tooltip">左边显示
    <span class="tooltiptext tooltip-left">提示框文本</span>
  </div>
</td></tr></table>
<hr>
<h2>基础提示框(Tooltip)</h2>
<p>提示框在鼠标移动到指定元素上显示：</p>


<div class="example">
<h2 class="example">HTML 代码：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-brackets">&lt;</span><span class="hl-reserved">style</span><span class="hl-brackets">&gt;</span></div><div class="hl-main"><span class="hl-comment">/*</span><span class="hl-comment"> Tooltip 容器 </span><span class="hl-comment">*/</span><span class="hl-code">
</span><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">position:</span><span class="hl-code"> </span><span class="hl-string">relative</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">display:</span><span class="hl-code"> </span><span class="hl-string">inline-block</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-bottom:</span><span class="hl-code"> </span><span class="hl-number">1</span><span class="hl-string">px</span><span class="hl-code"> </span><span class="hl-string">dotted</span><span class="hl-code"> </span><span class="hl-var">black</span><span class="hl-reserved"></span><span class="hl-code">; </span><span class="hl-comment">/*</span><span class="hl-comment"> 悬停元素上显示点线 </span><span class="hl-comment">*/</span><span class="hl-code">
</span><span class="hl-brackets">}</span><span class="hl-code">
 
</span><span class="hl-comment">/*</span><span class="hl-comment"> Tooltip 文本 </span><span class="hl-comment">*/</span><span class="hl-code">
</span><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">visibility:</span><span class="hl-code"> </span><span class="hl-string">hidden</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">width:</span><span class="hl-code"> </span><span class="hl-number">120</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">background-color:</span><span class="hl-code"> </span><span class="hl-var">black</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">color:</span><span class="hl-code"> </span><span class="hl-var">#fff</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">text-align:</span><span class="hl-code"> </span><span class="hl-string">center</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">padding:</span><span class="hl-code"> </span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-code"> </span><span class="hl-number">0</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-radius:</span><span class="hl-code"> </span><span class="hl-number">6</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
 
    </span><span class="hl-comment">/*</span><span class="hl-comment"> 定位 </span><span class="hl-comment">*/</span><span class="hl-code">
    </span><span class="hl-reserved">position:</span><span class="hl-code"> </span><span class="hl-string">absolute</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">z-index:</span><span class="hl-code"> </span><span class="hl-number">1</span><span class="hl-reserved"></span><span class="hl-code">;
</span><span class="hl-brackets">}</span><span class="hl-code">
 
</span><span class="hl-comment">/*</span><span class="hl-comment"> 鼠标移动上去后显示提示框 </span><span class="hl-comment">*/</span><span class="hl-code">
</span><span class="hl-identifier">.tooltip</span><span class="hl-special">:hover</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">visibility:</span><span class="hl-code"> </span><span class="hl-string">visible</span><span class="hl-reserved"></span><span class="hl-code">;
</span><span class="hl-brackets">}</span></div><div class="hl-main"><span class="hl-brackets">&lt;/</span><span class="hl-reserved">style</span><span class="hl-brackets">&gt;</span><span class="hl-code">
 
</span><span class="hl-brackets">&lt;</span><span class="hl-reserved">div</span><span class="hl-code"> </span><span class="hl-var">class</span><span class="hl-code">=</span><span class="hl-quotes">&quot;</span><span class="hl-string">tooltip</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">&gt;</span><span class="hl-code">鼠标移动到这
  </span><span class="hl-brackets">&lt;</span><span class="hl-reserved">span</span><span class="hl-code"> </span><span class="hl-var">class</span><span class="hl-code">=</span><span class="hl-quotes">&quot;</span><span class="hl-string">tooltiptext</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">&gt;</span><span class="hl-code">提示文本</span><span class="hl-brackets">&lt;/</span><span class="hl-reserved">span</span><span class="hl-brackets">&gt;</span><span class="hl-code">
</span><span class="hl-brackets">&lt;/</span><span class="hl-reserved">div</span><span class="hl-brackets">&gt;</span></div>
</div>
<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip" class="tryitbtn">尝试一下 »</a>
</div>
<h3>实例解析</h3>


<p><strong>HTML)</strong> 使用容器元素 (like &lt;div&gt;) 并添加
<b>"tooltip"</b> 类。在鼠标移动到 &lt;div&gt; 上时显示提示信息。</p>
<p>提示文本放在内联函数上(如 &lt;span&gt;) 并使用<b>class="tooltiptext"</b>。</p>

<p><strong>CSS)</strong><b>tooltip</b> 类使用 <b>position:relative</b>, 提示文本需要设置定位值 <b>position:absolute</b>。
<strong>注意: </strong> 接下来的实例会显示更多的定位效果。</p>

<p><b>tooltiptext</b> 类用于实际的提示文本。模式是隐藏的，在鼠标移动到元素显示 。设置了一些宽度、背景色、字体色等样式。
</p>


<p>CSS3 <b>border-radius</b> 属性用于为提示框添加圆角。</p>
<p><b>:hover</b> 选择器用于在鼠标移动到到指定元素 &lt;div&gt; 上时显示的提示。</p>
<hr>
<h2>定位提示工具</h2>

<p>以下实例中，提示工具显示在指定元素的右侧(<b>left:105%</b>) 。</p><p>
注意 <b>top:-5px</b> 同于定位在容器元素的中间。使用数字 <strong>5</strong> 因为提示文本的顶部和底部的内边距（padding）是 5px。
</p><p>
如果你修改 padding 的值，top 值也要对应修改，这样才可以确保它是居中对齐的。</p><p>在提示框显示在左边的情况也是这个原理。</p>

<div class="example">
<h2 class="example">显示在右侧：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">top:</span><span class="hl-code"> -</span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">left:</span><span class="hl-code"> </span><span class="hl-number">105</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">; 
</span><span class="hl-brackets">}</span></div>
</div>
<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_right" class="tryitbtn">尝试一下 »</a>
</div><br>
<div class="example">
<h2 class="example">显示在左侧：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">top:</span><span class="hl-code"> -</span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">right:</span><span class="hl-code"> </span><span class="hl-number">105</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">; 
</span><span class="hl-brackets">}</span></div>
</div>
<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_left" class="tryitbtn">尝试一下 »</a>
</div>

<p>如果你想要提示工具显示在头部和底部。我们需要使用 <b>margin-left</b> 属性，并设置为 -60px。
这个数字计算来源是使用宽度的一半来居中对齐，即： width/2 (120/2 = 60)。</p>
<div class="example">
<h2 class="example">显示在头部：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">width:</span><span class="hl-code"> </span><span class="hl-number">120</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">bottom:</span><span class="hl-code"> </span><span class="hl-number">100</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">left:</span><span class="hl-code"> </span><span class="hl-number">50</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">; 
    </span><span class="hl-reserved">margin-left:</span><span class="hl-code"> -</span><span class="hl-number">60</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">; </span><span class="hl-comment">/*</span><span class="hl-comment"> 使用一半宽度 (120/2 = 60) 来居中提示工具 </span><span class="hl-comment">*/</span><span class="hl-code">
</span><span class="hl-brackets">}</span></div>
</div>
<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_top" class="tryitbtn">尝试一下 »</a>
</div>
<br>
<div class="example">
<h2 class="example">显示在底部：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">width:</span><span class="hl-code"> </span><span class="hl-number">120</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">top:</span><span class="hl-code"> </span><span class="hl-number">100</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">left:</span><span class="hl-code"> </span><span class="hl-number">50</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">; 
    </span><span class="hl-reserved">margin-left:</span><span class="hl-code"> -</span><span class="hl-number">60</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">; </span><span class="hl-comment">/*</span><span class="hl-comment"> 使用一半宽度 (120/2 = 60) 来居中提示工具 </span><span class="hl-comment">*/</span><span class="hl-code">
</span><span class="hl-brackets">}</span></div>
</div>
<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_bottom" class="tryitbtn">尝试一下 »</a>
</div>
<hr>
<h2>添加箭头</h2>
<p>我们可以用CSS 伪元素 ::after 及 content 属性为提示工具创建一个小箭头标志，箭头是由边框组成的，但组合起来后提示工具像个语音信息框。</p>
<p>以下实例演示了如何为显示在顶部的提示工具添加底部箭头：</p>

<div class="example">
<h2 class="example">顶部提示框/底部箭头：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code">:</span><span class="hl-special">:after</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">content:</span><span class="hl-code"> &quot; &quot;</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">position:</span><span class="hl-code"> </span><span class="hl-string">absolute</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">top:</span><span class="hl-code"> </span><span class="hl-number">100</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">; </span><span class="hl-comment">/*</span><span class="hl-comment"> 提示工具底部 </span><span class="hl-comment">*/</span><span class="hl-code">
    </span><span class="hl-reserved">left:</span><span class="hl-code"> </span><span class="hl-number">50</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">margin-left:</span><span class="hl-code"> -</span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-width:</span><span class="hl-code"> </span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-style:</span><span class="hl-code"> </span><span class="hl-string">solid</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-color:</span><span class="hl-code"> </span><span class="hl-var">black</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-reserved"></span><span class="hl-code">;
</span><span class="hl-brackets">}</span></div>
</div>

<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_arrow_bottom" class="tryitbtn">尝试一下 »</a>
</div>
<h3>实例解析</h3>
<p>在提示工具内定位箭头: <b>top: 100%</b> , 箭头将显示在提示工具的底部。<b>left: 50%</b> 用于居中对齐箭头。</p>
<p><strong>注意：</strong><b>border-width</b> 属性指定了箭头的大小。如果你修改它，也要修改 <b>margin-left</b> 值。这样箭头在能居中显示。</p>
<p><b>border-color</b> 用于将内容转换为箭头。设置顶部边框为黑色，其他是透明的。如果设置了其他的也是黑色则会显示为一个黑色的四边形。</p>

<p>以下实例演示了如何在提示工具的头部添加箭头，注意设置边框颜色：</p>
<div class="example">
<h2 class="example">底部提示框/顶部箭头：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code">:</span><span class="hl-special">:after</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">content:</span><span class="hl-code"> &quot; &quot;</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">position:</span><span class="hl-code"> </span><span class="hl-string">absolute</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">bottom:</span><span class="hl-code"> </span><span class="hl-number">100</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">;  </span><span class="hl-comment">/*</span><span class="hl-comment"> 提示工具头部 </span><span class="hl-comment">*/</span><span class="hl-code">
    </span><span class="hl-reserved">left:</span><span class="hl-code"> </span><span class="hl-number">50</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">margin-left:</span><span class="hl-code"> -</span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-width:</span><span class="hl-code"> </span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-style:</span><span class="hl-code"> </span><span class="hl-string">solid</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-color:</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-var">black</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-reserved"></span><span class="hl-code">;
</span><span class="hl-brackets">}</span></div>
</div>

<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_arrow_top" class="tryitbtn">尝试一下 »</a>
</div>
<p>以下两个实例是左右两边的箭头实例：</p>


<div class="example">
<h2 class="example">右侧提示框/左侧箭头：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code">:</span><span class="hl-special">:after</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">content:</span><span class="hl-code"> &quot; &quot;</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">position:</span><span class="hl-code"> </span><span class="hl-string">absolute</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">top:</span><span class="hl-code"> </span><span class="hl-number">50</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">right:</span><span class="hl-code"> </span><span class="hl-number">100</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">; </span><span class="hl-comment">/*</span><span class="hl-comment"> 提示工具左侧 </span><span class="hl-comment">*/</span><span class="hl-code">
    </span><span class="hl-reserved">margin-top:</span><span class="hl-code"> -</span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-width:</span><span class="hl-code"> </span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-style:</span><span class="hl-code"> </span><span class="hl-string">solid</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-color:</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-var">black</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-reserved"></span><span class="hl-code">;
</span><span class="hl-brackets">}</span></div>
</div>

<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_arrow_left" class="tryitbtn">尝试一下 »</a>
</div>
<br>
<div class="example">
<h2 class="example">左侧提示框/右侧箭头：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code">:</span><span class="hl-special">:after</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">content:</span><span class="hl-code"> &quot; &quot;</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">position:</span><span class="hl-code"> </span><span class="hl-string">absolute</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">top:</span><span class="hl-code"> </span><span class="hl-number">50</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">left:</span><span class="hl-code"> </span><span class="hl-number">100</span><span class="hl-string">%</span><span class="hl-reserved"></span><span class="hl-code">; </span><span class="hl-comment">/*</span><span class="hl-comment"> 提示工具右侧 </span><span class="hl-comment">*/</span><span class="hl-code">
    </span><span class="hl-reserved">margin-top:</span><span class="hl-code"> -</span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-width:</span><span class="hl-code"> </span><span class="hl-number">5</span><span class="hl-string">px</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-style:</span><span class="hl-code"> </span><span class="hl-string">solid</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">border-color:</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-string">transparent</span><span class="hl-code"> </span><span class="hl-var">black</span><span class="hl-reserved"></span><span class="hl-code">;
</span><span class="hl-brackets">}</span></div>
</div>

<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_arrow_right" class="tryitbtn">尝试一下 »</a>
</div>
<hr>
<h2>淡入效果</h2>
<p>我们可以使用 CSS3 transition 属性及 opacity 属性来实现提示工具的淡入效果:</p>
<div class="example">
<h2 class="example">左侧提示框/右侧箭头：</h2>
<div class="example_code">
<div class="hl-main"><span class="hl-identifier">.tooltip</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">opacity:</span><span class="hl-code"> </span><span class="hl-number">0</span><span class="hl-reserved"></span><span class="hl-code">;
    </span><span class="hl-reserved">transition:</span><span class="hl-code"> </span><span class="hl-code">opacity</span><span class="hl-code"> </span><span class="hl-number">1</span><span class="hl-code">s</span><span class="hl-reserved"></span><span class="hl-code">;
</span><span class="hl-brackets">}</span><span class="hl-code">
 
</span><span class="hl-identifier">.tooltip</span><span class="hl-special">:hover</span><span class="hl-code"> </span><span class="hl-identifier">.tooltiptext</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-reserved">opacity:</span><span class="hl-code"> </span><span class="hl-number">1</span><span class="hl-reserved"></span><span class="hl-code">;
</span><span class="hl-brackets">}</span></div>
</div>

<br>
<a target="_blank" href="/try/try.php?filename=trycss_tooltip_transition" class="tryitbtn">尝试一下 »</a>
</div>
<hr>
<h2>更多实例</h2>
<p><a href="https://c.runoob.com/codedemo/2747" target="_blank">漂亮的 CSS 提示框</a></p>
			
			
			</div>
		</div>
		
		<div class="previous-next-links">
			<div class="previous-design-link"><i style="font-size:16px;" class="fa fa-arrow-left" aria-hidden="true"></i> <a href="http://www.runoob.com/css/css-dropdowns.html" rel="prev"> CSS 下拉菜单</a> </div>
			<div class="next-design-link"></div>
		</div>
		<!-- 笔记列表 -->
		<style>
.wrapper {
  /*text-transform: uppercase; */
  background: #ececec;
  color: #555;
  cursor: help;
  font-family: "Gill Sans", Impact, sans-serif;
  font-size: 20px;
  position: relative;
  text-align: center;
  width: 200px;
  -webkit-transform: translateZ(0); /* webkit flicker fix */
  -webkit-font-smoothing: antialiased; /* webkit text rendering fix */
}

.wrapper .tooltip {
  white-space: nowrap;
  font-size: 14px;
  text-align: left;
  background: #96b97d;
  bottom: 100%;
  color: #fff;
  display: block;
  left: -25px;
  margin-bottom: 15px;
  opacity: 0;
  padding: 14px;
  pointer-events: none;
  position: absolute;
  
  -webkit-transform: translateY(10px);
     -moz-transform: translateY(10px);
      -ms-transform: translateY(10px);
       -o-transform: translateY(10px);
          transform: translateY(10px);
  -webkit-transition: all .25s ease-out;
     -moz-transition: all .25s ease-out;
      -ms-transition: all .25s ease-out;
       -o-transition: all .25s ease-out;
          transition: all .25s ease-out;
  -webkit-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
     -moz-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
      -ms-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
       -o-box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
          box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.28);
}
.tooltip a {
	color:#fff;
}
/* This bridges the gap so you can mouse into the tooltip without it disappearing */
.wrapper .tooltip:before {
  bottom: -20px;
  content: " ";
  display: block;
  height: 20px;
  left: 0;
  position: absolute;
  width: 100%;
}  

/* CSS Triangles - see Trevor's post */
.wrapper .tooltip:after {
  border-left: solid transparent 10px;
  border-right: solid transparent 10px;
  border-top: solid #96b97d 10px;
  bottom: -10px;
  content: " ";
  height: 0;
  left: 20%;
  margin-left: -13px;
  position: absolute;
  width: 0;
}
.wrapper .tooltip1 {
	margin-left: 50px;
	padding-top: 0px;
}
.wrapper:hover .tooltip {
  opacity: 1;
  pointer-events: auto;
  -webkit-transform: translateY(0px);
     -moz-transform: translateY(0px);
      -ms-transform: translateY(0px);
       -o-transform: translateY(0px);
          transform: translateY(0px);
}

/* IE can just show/hide with no transition */
.lte8 .wrapper .tooltip {
  display: none;
}

.lte8 .wrapper:hover .tooltip {
  display: block;
}
</style>


<div id="respond" class="no_webshot"> 
		<div class="comment-signarea" style="">
	<h3 class="text-muted" id="share_code"><i class="fa fa-pencil-square-o" aria-hidden="true"></i> 点我分享笔记</h3>
	<input type="hidden" name="is_user_logged_in" id="is_user_logged_in" value="0">
	<p style="font-size:14px;">笔记需要是本篇文章的内容扩展！</p>
	<p style="font-size:14px;"><a href="/w3cnote/runoob-user-test-intro.html#invite" target="_blank">注册邀请码获取方式</a></p>
		<!--<h3 class="text-muted"><i class="fa fa-info-circle" aria-hidden="true"></i> 分享笔记前必须<a href="javascript:;" class="runoob-pop">登录</a>！</h3>
		<p><a href="/w3cnote/runoob-user-test-intro.html#invite" target="_blank">注册邀请码获取方式</a></p>-->
	</div>
		
	<form action="/wp-content/themes/runoob/option/addnote.php" method="post" id="commentform" style="display:none;">
		<div class="comt">
			<div class="comt-title">
				<i style="font-size:36px;" class="fa fa-user-circle" aria-hidden="true"></i>				<p><a id="cancel-comment-reply-link" href="javascript:;">取消</a></p>
			</div>
			<div class="comt-box">
			<div id="mded"></div>
			
				<div class="comt-ctrl">
					<div class="comt-tips"><input type='hidden' name='comment_post_ID' value='18450' id='comment_post_ID' />
<input type='hidden' name='comment_parent' id='comment_parent' value='0' />
</div>
					<button type="submit" name="submit" id="submit" tabindex="5"><i class="fa fa-pencil" aria-hidden="true"></i> 分享笔记</button>
				</div>
			</div>
		
				
					<div class="comt-comterinfo"> 
						<ul id="comment-author-info">
							<li class="form-inline"><label class="hide" for="author">昵称</label><input class="ipt" type="text" name="author" id="author" value="" tabindex="2" placeholder="昵称"><span class="text-muted">昵称 (必填)</span></li>
							<li class="form-inline"><label class="hide" for="email">邮箱</label><input class="ipt" type="text" name="email" id="email" value="" tabindex="3" placeholder="邮箱"><span class="text-muted">邮箱 (必填)</span></li>
							<li class="form-inline"><label class="hide" for="url">引用地址</label><input class="ipt" type="text" name="url" id="url" value="" tabindex="4" placeholder="引用地址"><span class="text-muted">引用地址</span></li>
						</ul>
					</div>
				
			
		</div>

	</form>
	</div>
<script type="text/javascript">
$(function() {
	//初始化编辑器
	
	var editor = new Simditor({
	  textarea: $('#mded'),
	  placeholder: '写笔记...',
	  upload: false,
	  defaultImage: 'http://www.runoob.com/images/logo.png',
	  codeLanguages: '',
	  toolbar: [  'bold','code','ul','ol','image' ]
	});
	editor.on('selectionchanged', function() {
		$(".code-popover").hide();
	});

	// 提交数据
	$("#share_code").click(function() {
		$(".comment-signarea").hide();
		$("#commentform").show();
		
	});

	// 提交笔记
	var commentform=$('#commentform');
	commentform.prepend('<div id="comment-status" ></div>');
	var statusdiv=$('#comment-status');
	
	commentform.submit(function(e){
		e.preventDefault();
		var noteContent = editor.getValue();
		// console.log(noteContent);
		noteContent = noteContent.replace(/<pre><code>/g,"<pre>");
		noteContent = noteContent.replace(/<\/code><\/pre>/g,"</pre>");
		
		// 系列化表单数据
		var comment_parent = 0;
		var is_user_logged_in = $("#is_user_logged_in").val();
		var comment_post_ID =  18450;
		var _wp_unfiltered_html_comment = $("#_wp_unfiltered_html_comment").val();
		var comment = noteContent;
		var author = $("#author").val();
		var url = $("#url").val();
		var email = $("#email").val();
		if(isBlank(author) && is_user_logged_in==0) {
			statusdiv.html('<p  class="ajax-error">请输入昵称！</p>');
		} else if(isBlank(email)  && is_user_logged_in==0) {
			statusdiv.html('<p  class="ajax-error">请输入邮箱！</p>');
		} else {
			// var formdata=commentform.serialize() + "&comment=" + noteContent ;
			// 添加状态信息
			statusdiv.html('<p>Processing...</p>');
			// 获取表单提交地址
			var formurl=commentform.attr('action');
			
			// 异步提交
			$.ajax({
					type: 'post',
					url: formurl,
					dataType:'json',
					data: {"comment_parent":comment_parent,"comment_post_ID":comment_post_ID, "_wp_unfiltered_html_comment":_wp_unfiltered_html_comment,"comment":comment,"url":url, "email":email,"author":author},
					error: function(XMLHttpRequest, textStatus, errorThrown){
					statusdiv.html('<p class="ajax-error" >数据不完整或表单提交太快了！</p>');
				},
				success: function(data, textStatus){
					if(data.errorno=="0") {
						$("#submit").prop('disabled', true);
						statusdiv.html('<p class="ajax-success" >笔记已提交审核，感谢分享笔记！</p>');
						alert('笔记已提交审核，感谢分享笔记！');
					}else{
						statusdiv.html('<p class="ajax-error" >'+data.msg+'</p>');
					}
					commentform.find('textarea[name=comment]').val('');
				}
			});
			setTimeout(function(){
		        $("#submit").prop('disabled', false);
		    }, 10*1000);
		}
		return false;

	});
	
});
function isBlank(str) {
    return (!str || /^\s*$/.test(str));
}
</script>

<link rel="stylesheet" href="/wp-content/themes/runoob/assets/css/qa.css?1.37">
<link rel="stylesheet" type="text/css" href="//cdn.bootcss.com/simditor/2.3.6/styles/simditor.min.css" />
<script type="text/javascript" src="//static.runoob.com/assets/simditor/2.3.6/scripts/module.js"></script>
<script type="text/javascript" src="//static.runoob.com/assets/simditor/2.3.6/scripts/hotkeys.js"></script>
<script type="text/javascript" src="//cdn.bootcss.com/simditor/2.3.6/lib/simditor.min.js"></script>		<div class="sidebar-box ad-box ad-box-large">
		<div class="ad-336280" style="display: none;">
			
		</div>
		</div>
		
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</div>
	

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	<div class="tab tab-light-blue" style="text-align: center;">关注微信</div>
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<style>
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	width:300px;
}
.sidebar-tree .double-li li {
    width: 44%;
    line-height: 1.5em;
    border-bottom: 1px solid #ccc;
    float: left;
    display: inline;
}
</style>

	
		<div class="sidebar-box ad-box ad-box-large">
		<div class="sidebar-box advertise-here" style="margin: 0 auto;">
			<a href="javascript:void(0);" style="font-size: 16px; color:#64854c;font-weight:bold;"> <i class="fa fa-list" aria-hidden="true"></i>  分类导航</a>
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		<div class="sidebar-tree" >
			<ul><li style="margin: 0;"><a href="javascript:void(0);" class="tit"> HTML / CSS</a><ul class="double-li"><li><a title="HTML 教程" href="//www.runoob.com/html/html-tutorial.html">HTML 教程</a></li><li><a title="HTML5 教程" href="//www.runoob.com/html/html5-intro.html">HTML5 教程</a></li><li><a title="CSS 教程" href="//www.runoob.com/css/css-tutorial.html">CSS 教程</a></li><li><a title="CSS3 教程" href="//www.runoob.com/css3/css3-tutorial.html">CSS3 教程</a></li><li><a title="Bootstrap 教程" href="//www.runoob.com/bootstrap/bootstrap-tutorial.html">Bootstrap 教程</a></li><li><a title="Font Awesome 教程" href="//www.runoob.com/font-awesome/fontawesome-tutorial.html">Font Awesome 教程</a></li><li><a title="Foundation 教程" href="//www.runoob.com/foundation/foundation-tutorial.html">Foundation 教程</a></li></ul></li><li style="margin: 0;"><a href="javascript:void(0);" class="tit"> JavaScript</a><ul class="double-li"><li><a title="JavaScript 教程" href="//www.runoob.com/js/js-tutorial.html">JavaScript 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					<input class="full-width2" type="submit" value="登 录">
				</p>
        <div class="err-msg"></div>
			</div>
		</div>

		<div id="cd-signup"> <!-- 注册表单 -->
			<div class="cd-form">
				<p class="fieldset">
					<label class="image-replace cd-password" for="verifycode">邀请码</label>
					<input class="full-width has-padding has-border" id="signup-verifycode" name="verifycode" type="text"  placeholder="输入邀请码">
				</p>
				<p class="fieldset">
					<label class="image-replace cd-username" for="signup-username">用户名</label>
					<input class="full-width has-padding has-border" id="signup-username" name="name" type="text" placeholder="输入用户名">
				</p>

				<p class="fieldset">
					<label class="image-replace cd-email" for="signup-email">邮箱</label>
					<input class="full-width has-padding has-border" name="email" id="signup-email" type="email" placeholder="输入mail">
				</p>

				<p class="fieldset">
					<label class="image-replace cd-password" for="signup-password">密码</label>
					<input class="full-width has-padding has-border" id="signup-password" name="password" type="password"  placeholder="输入密码">
				</p>
				<p class="fieldset">
					<label class="image-replace cd-password" for="signup-password">重复输入密码</label>
					<input class="full-width has-padding has-border" id="signup-password" name="password2" type="password"  placeholder="重复输入密码">
				</p>
				
				<!-- 
				<p class="fieldset">
					<input type="checkbox" id="accept-terms">
					<label for="accept-terms">我已阅读并同意 <a href="javascript:;">用户协议</a></label>
				</p>
				 -->
				 
				 <input type="hidden" name="action" value="signup">
				<p class="fieldset">
					<input class="full-width2" type="submit" value="注册新用户">
				</p>
				<p class="fieldset">
				  <a href="//www.runoob.com/w3cnote/runoob-user-test-intro.html#invite" target="_blank">如何获取邀请码？</a>
				  </p>
				<div class="err-msg"></div>
			</div>

		</div>

		<a href="javascript:;" class="cd-close-form">关闭</a>
	</div>
</div> 
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