小程序中CSS3

微信小程序界面设计CSS3在小程序中样式精通课程-第18课-transition过渡-transition-timing-function

时间:2019/1/11 16:59:19  作者:互联网  来源:网络转载  查看:27990  评论:0
内容摘要:transition-timing-function通用语法浏览器支持Internet Explorer 10、Firefox、Opera 和 Chrome 支持 transition-timing-function 属性。Safari 支持替代的 -webkit-transit...

transition-timing-function

通用语法

浏览器支持
微信小程序界面设计CSS3在小程序中样式精通课程-第18课-transition过渡-transition-timing-function

Internet Explorer 10FirefoxOpera Chrome 支持 transition-timing-function 属性。

Safari 支持替代的 -webkit-transition-timing-function 属性。

注释:Internet Explorer 9 以及更早版本的浏览器不支持 transition-timing-function 属性。

定义和用法

transition-timing-function 属性规定过渡效果的速度曲线。

该属性允许过渡效果随着时间来改变其速度。

默认值:

ease

继承性:

no

版本:

CSS3

JavaScript 语法:

object.style.transitionTimingFunction="linear"

语法

transition-timing-function: linear|ease|ease-in|ease-out|ease-in-out|cubic-bezier(n,n,n,n);

 

描述

linear

规定以相同速度开始至结束的过渡效果(等于 cubic-bezier(0,0,1,1))。

ease

规定慢速开始,然后变快,然后慢速结束的过渡效果(cubic-bezier(0.25,0.1,0.25,1))。

ease-in

规定以慢速开始的过渡效果(等于 cubic-bezier(0.42,0,1,1))。

ease-out

规定以慢速结束的过渡效果(等于 cubic-bezier(0,0,0.58,1))。

ease-in-out

规定以慢速开始和结束的过渡效果(等于 cubic-bezier(0.42,0,0.58,1))。

cubic-bezier(n,n,n,n)

cubic-bezier 函数中定义自己的值。可能的值是 0 1 之间的数值。

实例 1

为了更好地理解不同的函数值,请看下面带有五个不同值的五个不同的 div 元素:

<!DOCTYPE html>

<html>

<head>

<style>

div

{

width:100px;

height:50px;

background:red;

color:white;

font-weight:bold;

transition:width 2s;

-moz-transition:width 2s; /* Firefox 4 */

-webkit-transition:width 2s; /* Safari and Chrome */

-o-transition:width 2s; /* Opera */

}

 

#div1 {transition-timing-function: linear;}

#div2 {transition-timing-function: ease;}

#div3 {transition-timing-function: ease-in;}

#div4 {transition-timing-function: ease-out;}

#div5 {transition-timing-function: ease-in-out;}

 

/* Firefox 4: */

#div1 {-moz-transition-timing-function: linear;}

#div2 {-moz-transition-timing-function: ease;}

#div3 {-moz-transition-timing-function: ease-in;}

#div4 {-moz-transition-timing-function: ease-out;}

#div5 {-moz-transition-timing-function: ease-in-out;}

 

/* Safari and Chrome: */

#div1 {-webkit-transition-timing-function: linear;}

#div2 {-webkit-transition-timing-function: ease;}

#div3 {-webkit-transition-timing-function: ease-in;}

#div4 {-webkit-transition-timing-function: ease-out;}

#div5 {-webkit-transition-timing-function: ease-in-out;}

 

/* Opera: */

#div1 {-o-transition-timing-function: linear;}

#div2 {-o-transition-timing-function: ease;}

#div3 {-o-transition-timing-function: ease-in;}

#div4 {-o-transition-timing-function: ease-out;}

#div5 {-o-transition-timing-function: ease-in-out;}

 

div:hover

{

width:300px;

}

</style>

</head>

<body>

 

<div id="div1" style="top:100px">linear</div>

<div id="div2" style="top:150px">ease</div>

<div id="div3" style="top:200px">ease-in</div>

<div id="div4" style="top:250px">ease-out</div>

<div id="div5" style="top:300px">ease-in-out</div>

 

<p>请把鼠标指针移动到红色的 div 元素上,就可以看到过渡效果。</p>

 

<p><b>注释:</b>本例在 Internet Explorer 中无效。</p>

 

</body>

</html>

实例 2

与上例相同,但通过 cubic-bezier 来规定速度曲线:

<!DOCTYPE html>

<html>

<head>

<style>

div

{

width:100px;

height:50px;

background:red;

color:white;

font-weight:bold;

transition:width 2s;

-moz-transition:width 2s; /* Firefox 4 */

-webkit-transition:width 2s; /* Safari and Chrome */

-o-transition:width 2s; /* Opera */

}

 

#div1 {transition-timing-function: cubic-bezier(0,0,0.25,1);}

#div2 {transition-timing-function: cubic-bezier(0.25,0.1,0.25,1);}

#div3 {transition-timing-function: cubic-bezier(0.42,0,1,1);}

#div4 {transition-timing-function: cubic-bezier(0,0,0.58,1);}

#div5 {transition-timing-function: cubic-bezier(0.42,0,0.58,1);}

 

/* Firefox 4: */

#div1 {-moz-transition-timing-function: cubic-bezier(0,0,0.25,1);}

#div2 {-moz-transition-timing-function: cubic-bezier(0.25,0.1,0.25,1);}

#div3 {-moz-transition-timing-function: cubic-bezier(0.42,0,1,1);}

#div4 {-moz-transition-timing-function: cubic-bezier(0,0,0.58,1);}

#div5 {-moz-transition-timing-function: cubic-bezier(0.42,0,0.58,1);}

 

/* Safari and Chrome: */

#div1 {-webkit-transition-timing-function: cubic-bezier(0,0,0.25,1);}

#div2 {-webkit-transition-timing-function: cubic-bezier(0.25,0.1,0.25,1);}

#div3 {-webkit-transition-timing-function: cubic-bezier(0.42,0,1,1);}

#div4 {-webkit-transition-timing-function: cubic-bezier(0,0,0.58,1);}

#div5 {-webkit-transition-timing-function: cubic-bezier(0.42,0,0.58,1);}

 

/* Opera: */

#div1 {-o-transition-timing-function: cubic-bezier(0,0,0.25,1);}

#div2 {-o-transition-timing-function: cubic-bezier(0.25,0.1,0.25,1);}

#div3 {-o-transition-timing-function: cubic-bezier(0.42,0,1,1);}

#div4 {-o-transition-timing-function: cubic-bezier(0,0,0.58,1);}

#div5 {-o-transition-timing-function: cubic-bezier(0.42,0,0.58,1);}

 

div:hover

{

width:300px;

}

</style>

</head>

<body>

 

<div id="div1" style="top:100px">linear</div>

<div id="div2" style="top:150px">ease</div>

<div id="div3" style="top:200px">ease-in</div>

<div id="div4" style="top:250px">ease-out</div>

<div id="div5" style="top:300px">ease-in-out</div>

 

<p>请把鼠标指针移动到红色的 div 元素上,就可以看到过渡效果。</p>

 

<p><b>注释:</b>本例在 Internet Explorer 中无效。</p>

 

</body>

</html>

 


 

小程序应用

Wxml代码

<view class='c01'>

01

</view>

 

<view>请把鼠标指针移动到蓝色的元素上,就可以看到过渡效果。高度变为200px</view>

Wxss代码

.c01{

  width:100px;

  height:100px;

  background:blue;

  transition-property:height;

  transition-duration:5s;

  transition-delay:0s;

  transition-timing-function: ease; /* 规定慢速开始,然后变快,然后慢速结束的过渡效果(cubic-bezier(0.25,0.1,0.25,1))。 */

}

.c01:hover{

  height: 200px;

}

效果图

微信小程序界面设计CSS3在小程序中样式精通课程-第18课-transition过渡-transition-timing-function 微信小程序界面设计CSS3在小程序中样式精通课程-第18课-transition过渡-transition-timing-function


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