微信小程序动画课程-通过wxss(css)来实现-keyframes 规则-改变颜色和位置

╰半夏微凉° 2024-02-19 16:11 13阅读 0赞

### keyframes 规则-改变颜色和位置 ###

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通用语法  
网页代码

<!DOCTYPE html>
    <html>
    <head>
    <style> 
    div
    {
    width:100px;
    height:100px;
    background:red;
    position:relative;
    animation:myfirst 5s;
    -moz-animation:myfirst 5s; /* Firefox */
    -webkit-animation:myfirst 5s; /* Safari and Chrome */
    -o-animation:myfirst 5s; /* Opera */
    }
    
    @keyframes myfirst
    {
    0%   {background:red; left:0px; top:0px;}
    25%  {background:yellow; left:200px; top:0px;}
    50%  {background:blue; left:200px; top:200px;}
    75%  {background:green; left:0px; top:200px;}
    100% {background:red; left:0px; top:0px;}
    }
    
    @-moz-keyframes myfirst /* Firefox */
    {
    0%   {background:red; left:0px; top:0px;}
    25%  {background:yellow; left:200px; top:0px;}
    50%  {background:blue; left:200px; top:200px;}
    75%  {background:green; left:0px; top:200px;}
    100% {background:red; left:0px; top:0px;}
    }
    
    @-webkit-keyframes myfirst /* Safari and Chrome */
    {
    0%   {background:red; left:0px; top:0px;}
    25%  {background:yellow; left:200px; top:0px;}
    50%  {background:blue; left:200px; top:200px;}
    75%  {background:green; left:0px; top:200px;}
    100% {background:red; left:0px; top:0px;}
    }
    
    @-o-keyframes myfirst /* Opera */
    {
    0%   {background:red; left:0px; top:0px;}
    25%  {background:yellow; left:200px; top:0px;}
    50%  {background:blue; left:200px; top:200px;}
    75%  {background:green; left:0px; top:200px;}
    100% {background:red; left:0px; top:0px;}
    }
    </style>
    </head>
    <body>
    
    <p><b>注释：</b>本例在 Internet Explorer 中无效。</p>
    
    <div></div>
    
    </body>
    </html>

效果图  
![微信小程序动画课程-通过wxss(css)来实现-keyframes 规则-改变颜色和位置][-_wxss_css_-keyframes _-]

### 小程序应用 ###

> Wxml代码

> Wxss代码

@keyframes myfirst
    {
    	0%   {background:red; left:0px; top:0px;}
    	25%  {background:yellow; left:200px; top:0px;}
    	50%  {background:blue; left:200px; top:200px;}
    	75%  {background:green; left:0px; top:200px;}
    	100% {background:red; left:0px; top:0px;}
    }
    
    .c01{
    	width:100px;
    	height:100px;
    	background:red;
    	position:relative;
    	animation:myfirst 5s; 
    }

效果图  
![微信小程序动画课程-通过wxss(css)来实现-keyframes 规则-改变颜色和位置][-_wxss_css_-keyframes _- 1]

[欢迎大家收看我的视频课程：微信小程序动画课程-通过wxss(css)来实现][-_wxss_css]  
![微信小程序动画课程-通过wxss(css)来实现-keyframes 规则-改变颜色和位置][-_wxss_css_-keyframes _- 2]

[https_edu.csdn.net_topic_huangjuhua]: https://edu.csdn.net/topic/huangjuhua
[-_wxss_css_-keyframes _-]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/d5b20d132d5b431a9eb44762ddfba21a.png
[-_wxss_css_-keyframes _- 1]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/33003c176a0044a4a6cc65c772b46659.png
[-_wxss_css]: https://ke.qq.com/course/370983?tuin=2b10d56
[-_wxss_css_-keyframes _- 2]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/4e39e10acaf24d0c910b0d645448c048.png