我有一个这样的div标签:
<div>
<label>Name</label>
<input type="text"/>
</div>
我如何显示一个工具提示:div的悬停，最好有一个淡入/淡出效果。
当前回答
我的版本是
.tooltip{
display: inline;
position: relative; /** very important set to relative*/
}
.tooltip:hover:after{
background: #333;
background: rgba(0,0,0,.8);
border-radius: 5px;
bottom: 26px;
color: #fff;
content: attr(title); /**extract the content from the title */
left: 20%;
padding: 5px 15px;
position: absolute;
z-index: 98;
width: 220px;
}
.tooltip:hover:before{
border: solid;
border-color: #333 transparent;
border-width: 6px 6px 0 6px;
bottom: 20px;
content: "";
left: 50%;
position: absolute;
z-index: 99;
}
然后是HTML
<div title="This is some information for our tooltip." class="tooltip">bar </div>
其他回答
不使用任何API 你也可以通过使用纯CSS和Jquery演示来做这样的事情
HTML
<div class="pointer_tooltip">
Click & Drag to draw the area
</div>
CSS
.pointer_tooltip{
width : auto;
height : auto;
padding : 10px;
border-radius : 5px;
background-color : #fff;
position: absolute;
}
Jquery
$(document).mousemove(function( event ) {
var pageCoords = "( " + event.pageX + ", " + event.pageY + " )";
//set the actuall width
$('.pointer_tooltip').width($('.pointer_tooltip').width());
var position_top = event.pageY+18;
var position_left = event.pageX-60;
var width=$('body').width()-$('.pointer_tooltip').width();
//check if left not minus
if(position_left<0){
position_left=10;
}else if(position_left > width){
position_left=width-10;
}
$('.pointer_tooltip').css('top',position_top+'px');
$('.pointer_tooltip').css('left',position_left+'px');
});
这是一个漂亮的jQuery工具提示:
https://jqueryui.com/tooltip/
要实现这一点，只需遵循以下步骤:
Add this code in your <head></head> tags: <script type="text/javascript" src="http://cdn.jquerytools.org/1.2.5/full/jquery.tools.min.js"></script> <script type="text/javascript"> $("[title]").tooltip(); </script> <style type="text/css"> /* tooltip styling. by default the element to be styled is .tooltip */ .tooltip { display:none; background:transparent url(https://dl.dropboxusercontent.com/u/25819920/tooltip/black_arrow.png); font-size:12px; height:70px; width:160px; padding:25px; color:#fff; } </style> On the HTML elements that you want to have the tooltip, just add a title attribute to it. Whatever text is in the title attribute will be in the tooltip.
注意:当JavaScript被禁用时，它将回退到默认的浏览器/操作系统工具提示。
最简单的方法是在包含元素上设置position: relative，在容器内的工具提示元素上设置position: absolute，使其相对于父元素(包含元素)浮动。例如:
<div style="background: yellow;">
<div style="display: inline-block; position: relative; background: pink;">
<label>Name</label>
<input type="text" />
<div style="background: #e5e5e5; position: absolute; top: -10px; left: 0; right: 0;">
Tooltip text
</div>
</div>
</div>
你可以用简单的css…Jsfiddle这里你可以看到这个例子
下面是工具提示的CSS代码
[data-tooltip] {
position: relative;
z-index: 2;
cursor: pointer;
}
/* Hide the tooltip content by default */
[data-tooltip]:before,
[data-tooltip]:after {
visibility: hidden;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
opacity: 0;
pointer-events: none;
}
/* Position tooltip above the element */
[data-tooltip]:before {
position: absolute;
bottom: 150%;
left: 50%;
margin-bottom: 5px;
margin-left: -80px;
padding: 7px;
width: 160px;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
background-color: #000;
background-color: hsla(0, 0%, 20%, 0.9);
color: #fff;
content: attr(data-tooltip);
text-align: center;
font-size: 14px;
line-height: 1.2;
}
/* Triangle hack to make tooltip look like a speech bubble */
[data-tooltip]:after {
position: absolute;
bottom: 150%;
left: 50%;
margin-left: -5px;
width: 0;
border-top: 5px solid #000;
border-top: 5px solid hsla(0, 0%, 20%, 0.9);
border-right: 5px solid transparent;
border-left: 5px solid transparent;
content: " ";
font-size: 0;
line-height: 0;
}
/* Show tooltip content on hover */
[data-tooltip]:hover:before,
[data-tooltip]:hover:after {
visibility: visible;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
opacity: 1;
}
我为它创造了一个公式。 首先是html
<div class="tooltip-container">
<button class="tooltip-tarjet">
My Button
</button>
<div class="tooltip-element">
This is my tooltip content right here...
</div>
</div>
现在是它的css
.tooltip-container {
/* it contains the tooltip message and the one firing the tooltip
* it has position relative since it allows for a better responsive positioning
* of the tooltip-element */
display: inline-block;
position: relative;
flex-direction: row;
}
.tooltip-tarjet:hover + .tooltip-element {
/* this selector rule matches the tooltip-element right after
* tooltip-tarjet at a hover action
* */
display: inline-block;
position: absolute;
background-color: #869096;
color: white;
opacity: 1;
transition: all 1s;
}
.tooltip-element {
/* here goes the tooltip-element styles and positioning, now your
* tooltip element will always remain to your desired positionno matter
* the screen size at hand
* */
display: none;
opacity: 0;
text-align: center;
padding: 7px;
z-index: 10;
width: 200px;
left: -60px;
bottom: 48px;
border-radius: 5px;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
font-size: 12px;
line-height: 1.5;
}
