CSS常用样式
10.自定义动画
1)关键帧(keyframes)
被称为关键帧,其类似于Flash中的关键帧。
在CSS3中其主要以“@keyframes”开头,后面紧跟着是动画名称加上一对花括号“{…}”,括号中就是一些不同时间段样式规则。
语法:@keyframes animationname {keyframes-selector {css-styles;}}
animationname:定义动画的名称。
keyframes-selector:以百分比来规定改变发生的时间,或者通过关键词 "from" 和 "to",等价于 0% 和 100%。建议定义百分比选择器。
css-styles:通过 @keyframes 规则,您能够创建动画,就是将一套 CSS 样式逐渐变化为另一套样式,并且能够多次改变这套 CSS 样式。
兼容性:目前浏览器都不支持@keyframes规则,需要加上前缀"-moz-","-o-","-webkit-"。
例子:
<span style="color: #800000;">@-webkit-keyframes FromLeftToRight</span>{ <span style="color: #008000;">/*</span><span style="color: #008000;"> Safari 和 Chrome </span><span style="color: #008000;">*/</span><span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">800px</span>;}<span style="color: #800000;"> } @-moz-keyframes FromLeftToRight</span>{ <span style="color: #008000;">/*</span><span style="color: #008000;"> Firefox </span><span style="color: #008000;">*/</span><span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">800px</span>;}<span style="color: #800000;"> } @-o-keyframes FromLeftToRight</span>{ <span style="color: #008000;">/*</span><span style="color: #008000;"> Opera </span><span style="color: #008000;">*/</span><span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">800px</span>;}<span style="color: #800000;"> } @keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">800px</span>;}<span style="color: #800000;"> }</span>
2)动画名称(animation-name)
元素所应用的动画名称,必须与规则@keyframes配合使用,因为动画名称由@keyframes定义。
animation-name :none |
例子:
<span style="color: #800000;">div</span>{<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -o-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>; }<span style="color: #800000;"> @-webkit-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">800px</span>;}<span style="color: #800000;"> } @-moz-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">800px</span>;}<span style="color: #800000;"> } @-o-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">800px</span>;}<span style="color: #800000;"> } @keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">800px</span>;}<span style="color: #800000;"> }</span>
3)动画时间(animation-duration)
指定对象动画的持续时间
animation-duration:
例子 源代码:
<span style="color: #008000;">/*</span><span style="color: #008000;"> CSS代码 </span><span style="color: #008000;">*/</span><span style="color: #800000;"> .duration</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">#000</span>;<span style="color: #ff0000;"> position</span>:<span style="color: #0000ff;">relative</span>;<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -webkit-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -moz-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> animation-duration</span>:<span style="color: #0000ff;">3s</span>; }<span style="color: #800000;"> @-webkit-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @-moz-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> }</span>
<span style="color: #008000;"><!--</span><span style="color: #008000;"> HTML代码 </span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>请按F5刷新动画(矩形用3秒向右移动500px)<span style="color: #0000ff;"></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="duration"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span></span></span></span>
效果:
请按F5刷新动画(矩形用3秒向右移动500px)
4)动画的过渡速度(animation-timing-function)
animation-timing-function : ease | linear | ease-in | ease-out | ease-in-out | cubic-bezier(n,n,n,n)
①ease : 默认值,逐渐变慢(等于 cubic-bezier(0.25,0.1,0.25,1))
②linear : 匀速过渡效果(等于 cubic-bezier(0,0,1,1))
③ease-in : 加速的过渡效果(等于 cubic-bezier(0.42,0,1,1))
④ease-out : 减速的过渡效果(等于 cubic-bezier(0,0,0.58,1))
⑤ease-in-out : 加速然后减速(等于cubic-bezier (0.42, 0, 0.58, 1))
⑥cubic-bezier(n,n,n,n):在 cubic-bezier 函数中定义自己的值,可能的值是 0 至 1 之间的数值。
例子 源代码:
<span style="color: #008000;">/*</span><span style="color: #008000;"> CSS代码 </span><span style="color: #008000;">*/</span><span style="color: #800000;"> .function</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">#ccc</span>;<span style="color: #ff0000;"> position</span>:<span style="color: #0000ff;">relative</span>;<span style="color: #ff0000;"> margin</span>:<span style="color: #0000ff;">5px</span>;<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -webkit-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -moz-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> animation-duration</span>:<span style="color: #0000ff;">3s</span>; }<span style="color: #800000;"> .ease-in</span>{<span style="color: #ff0000;"> -webkit-animation-timing-function</span>:<span style="color: #0000ff;">ease-in</span>;<span style="color: #ff0000;"> -moz-animation-timing-function</span>:<span style="color: #0000ff;">ease-in</span>;<span style="color: #ff0000;"> animation-timing-function</span>:<span style="color: #0000ff;">ease-in</span>; }<span style="color: #800000;"> .ease-out</span>{<span style="color: #ff0000;"> -webkit-animation-timing-function</span>:<span style="color: #0000ff;">ease-out</span>;<span style="color: #ff0000;"> -moz-animation-timing-function</span>:<span style="color: #0000ff;">ease-out</span>;<span style="color: #ff0000;"> animation-timing-function</span>:<span style="color: #0000ff;">ease-out</span>; }<span style="color: #800000;"> @-webkit-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @-moz-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> }</span>
<span style="color: #008000;"><!--</span><span style="color: #008000;"> HTML代码 </span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>请按F5刷新动画(两个矩形同样在3秒用不同的速率向右移动500px)<span style="color: #0000ff;"></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="function ease-in"</span><span style="color: #0000ff;">></span>ease-in<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="function ease-out"</span><span style="color: #0000ff;">></span>ease-out<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span></span></span></span></span>
效果:
请按F5刷新动画(两个矩形同样在3秒用不同的速率向右移动500px)
5)动画延迟时间(animation-delay)
指定对象动画延迟的时间
animation-delay:
例子 源代码:
<span style="color: #008000;">/*</span><span style="color: #008000;"> CSS代码 </span><span style="color: #008000;">*/</span><span style="color: #800000;"> .delay</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">#000</span>;<span style="color: #ff0000;"> position</span>:<span style="color: #0000ff;">relative</span>;<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -webkit-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -webkit-animation-delay</span>:<span style="color: #0000ff;">2s</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -moz-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -moz-animation-delay</span>:<span style="color: #0000ff;">2s</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> animation-delay</span>:<span style="color: #0000ff;">2s</span>; }<span style="color: #800000;"> @-webkit-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @-moz-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> }</span>
<span style="color: #008000;"><!--</span><span style="color: #008000;"> HTML代码 </span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>请按F5刷新动画(刷新后请等待2秒启动动画)<span style="color: #0000ff;"></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="delay"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span></span></span></span>
效果:
请按F5刷新动画(刷新后请等待2秒启动动画)
6)动画执行次数(animation-iteration-count)
animation-iteration-count:infinite |
infinite表示无限次数,number指定循环次数。
例子 源代码:
<span style="color: #008000;">/*</span><span style="color: #008000;"> CSS代码 </span><span style="color: #008000;">*/</span><span style="color: #800000;"> .infinite</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">#000</span>;<span style="color: #ff0000;"> position</span>:<span style="color: #0000ff;">relative</span>;<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -webkit-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -webkit-animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -moz-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -moz-animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>; }<span style="color: #800000;"> @-webkit-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @-moz-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> }</span>
<span style="color: #008000;"><!--</span><span style="color: #008000;"> HTML代码 </span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>动画全自动无限循环播放<span style="color: #0000ff;"></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="infinite"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span></span></span></span>
效果:
动画全自动无限循环播放
7)动画的顺序(animation-direction)
设置对象动画在循环中是否反向运动
animation-direction : normal | reverse | alternate | alternate-reverse
normal:正常方向
reverse:反方向运行
alternate:动画先正常运行再反方向运行,并持续交替运行
alternate-reverse:动画先反运行再正方向运行,并持续交替运行
例子 源代码:
<span style="color: #008000;">/*</span><span style="color: #008000;"> CSS代码 </span><span style="color: #008000;">*/</span><span style="color: #800000;"> .box</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;">50px</span>;<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">#ccc</span>;<span style="color: #ff0000;"> margin</span>:<span style="color: #0000ff;">5px</span>;<span style="color: #ff0000;"> position</span>:<span style="color: #0000ff;">relative</span>;<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">FormLeftToRight</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">FormLeftToRight</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">FormLeftToRight</span>;<span style="color: #ff0000;"> -webkit-animation-duration</span>:<span style="color: #0000ff;">5s</span>;<span style="color: #ff0000;"> -moz-animation-duration</span>:<span style="color: #0000ff;">5s</span>;<span style="color: #ff0000;"> animation-duration</span>:<span style="color: #0000ff;">5s</span>;<span style="color: #ff0000;"> -webkit-animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>;<span style="color: #ff0000;"> -moz-animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>;<span style="color: #ff0000;"> animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>; }<span style="color: #800000;"> .reverse</span>{<span style="color: #ff0000;"> -webkit-animation-direction</span>:<span style="color: #0000ff;">reverse</span>;<span style="color: #ff0000;"> -moz-animation-direction</span>:<span style="color: #0000ff;">reverse</span>;<span style="color: #ff0000;"> animation-direction</span>:<span style="color: #0000ff;">reverse</span>; }<span style="color: #800000;"> .alternate</span>{<span style="color: #ff0000;"> -webkit-animation-direction</span>:<span style="color: #0000ff;">alternate</span>;<span style="color: #ff0000;"> -moz-animation-direction</span>:<span style="color: #0000ff;">alternate</span>;<span style="color: #ff0000;"> animation-direction</span>:<span style="color: #0000ff;">alternate</span>; }<span style="color: #800000;"> .alternate-reverse</span>{<span style="color: #ff0000;"> -webkit-animation-direction</span>:<span style="color: #0000ff;">alternate-reverse</span>;<span style="color: #ff0000;"> -moz-animation-direction</span>:<span style="color: #0000ff;">alternate-reverse</span>;<span style="color: #ff0000;"> animation-direction</span>:<span style="color: #0000ff;">alternate-reverse</span>; }<span style="color: #800000;"> @-webkit-keyframes FormLeftToRight</span>{<span style="color: #ff0000;"> 0%{left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100%</span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @-moz-keyframes FormLeftToRight</span>{<span style="color: #ff0000;"> 0%{left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100%</span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @keyframes FormLeftToRight</span>{<span style="color: #ff0000;"> 0%{left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100%</span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> }</span>
<span style="color: #008000;"><!--</span><span style="color: #008000;"> HTML代码 </span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>四种不同的顺序<span style="color: #0000ff;"></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="box"</span><span style="color: #0000ff;">></span>normal<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="box reverse"</span><span style="color: #0000ff;">></span>reverse<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="box alternate"</span><span style="color: #0000ff;">></span>alternate<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="box alternate-reverse"</span><span style="color: #0000ff;">></span>alternate-reverse<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span></span></span></span></span></span></span>
效果:
四种不同的顺序
8)动画的状态(animation-play-state)
设置对象动画的状态
animation-play-state:running | paused
running:运动
paused:暂停
例子 源代码:
<span style="color: #008000;">/*</span><span style="color: #008000;"> CSS代码 </span><span style="color: #008000;">*/</span><span style="color: #800000;"> .state</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">#000</span>;<span style="color: #ff0000;"> position</span>:<span style="color: #0000ff;">relative</span>;<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -webkit-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -webkit-animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -moz-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -moz-animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> animation-iteration-count</span>:<span style="color: #0000ff;">infinite</span>; }<span style="color: #800000;"> .state:hover</span>{<span style="color: #ff0000;"> -webkit-animation-play-state</span>:<span style="color: #0000ff;">paused</span>;<span style="color: #ff0000;"> -moz-animation-play-state</span>:<span style="color: #0000ff;">paused</span>;<span style="color: #ff0000;"> animation-play-state</span>:<span style="color: #0000ff;">paused</span>; }<span style="color: #800000;"> @-webkit-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @-moz-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> }</span>
<span style="color: #008000;"><!--</span><span style="color: #008000;"> HTML代码 </span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>鼠标移动到矩形上可以暂停动画<span style="color: #0000ff;"></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="state"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span></span></span></span>
效果:
鼠标移动到矩形上可以暂停动画
9)动画时间之外的状态(animation-fill-mode)
设置对象动画时间之外的状态
animation-fill-mode : none | forwards | backwards | both
none:默认值。不设置对象动画之外的状态
forwards:设置对象状态为动画结束时的状态
backwards:设置对象状态为动画开始时的状态
both:设置对象状态为动画结束或开始的状态
例子 源代码:
<span style="color: #008000;">/*</span><span style="color: #008000;"> CSS代码 </span><span style="color: #008000;">*/</span><span style="color: #800000;"> .mode</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">#000</span>;<span style="color: #ff0000;"> position</span>:<span style="color: #0000ff;">relative</span>;<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -webkit-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -webkit-animation-fill-mode</span>:<span style="color: #0000ff;">forwards</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> -moz-animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> -moz-animation-fill-mode</span>:<span style="color: #0000ff;">forwards</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">FromLeftToRight</span>;<span style="color: #ff0000;"> animation-duration</span>:<span style="color: #0000ff;">3s</span>;<span style="color: #ff0000;"> animation-fill-mode</span>:<span style="color: #0000ff;">forwards</span>; }<span style="color: #800000;"> @-webkit-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @-moz-keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> } @keyframes FromLeftToRight</span>{<span style="color: #ff0000;"> 0% {left</span>:<span style="color: #0000ff;">0</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">left</span>:<span style="color: #0000ff;">500px</span>;}<span style="color: #800000;"> }</span>
<span style="color: #008000;"><!--</span><span style="color: #008000;"> HTML代码 </span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">p</span><span style="color: #0000ff;">></span>请按F5刷新动画(动画结束后停在结束位置)<span style="color: #0000ff;"></span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="mode"</span><span style="color: #0000ff;">></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span></span></span></span>
效果:
请按F5刷新动画(动画结束后停在结束位置)
10)动画复合属性(animation)
通过 animation ,我们能够创建自定义动画,这可以在许多网页中取代动画图片gif、Flash 动画以及 JavaScript。
animation:
利用学过的动画样式,制作一个下滑菜单栏
源代码:
<span style="color: #008000;">/*</span><span style="color: #008000;"> CSS代码 </span><span style="color: #008000;">*/</span><span style="color: #800000;"> .dropmenu</span>{<span style="color: #ff0000;"> width</span>:<span style="color: #0000ff;">100px</span>;<span style="color: #ff0000;"> height</span>:<span style="color: #0000ff;">30px</span>;<span style="color: #ff0000;"> line-height</span>:<span style="color: #0000ff;">30px</span>;<span style="color: #ff0000;"> text-align</span>:<span style="color: #0000ff;">center</span>;<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">green</span>;<span style="color: #ff0000;"> border-radius</span>:<span style="color: #0000ff;">10px</span>;<span style="color: #ff0000;"> overflow</span>:<span style="color: #0000ff;">hidden</span>; }<span style="color: #800000;"> .dropmenu a</span>{<span style="color: #ff0000;"> font-family</span>:<span style="color: #0000ff;">"微软雅黑"</span>;<span style="color: #ff0000;"> font-size</span>:<span style="color: #0000ff;">18px</span>;<span style="color: #ff0000;"> color</span>:<span style="color: #0000ff;">#fff</span>;<span style="color: #ff0000;"> text-decoration</span>:<span style="color: #0000ff;">none</span>; }<span style="color: #800000;"> .dropmenu ul</span>{<span style="color: #ff0000;"> list-style-type</span>:<span style="color: #0000ff;">none</span>;<span style="color: #ff0000;"> padding</span>:<span style="color: #0000ff;">0</span>;<span style="color: #ff0000;"> margin</span>:<span style="color: #0000ff;">0</span>; }<span style="color: #800000;"> .dropmenu ul li</span>{<span style="color: #ff0000;"> background</span>:<span style="color: #0000ff;">#808080</span>; }<span style="color: #800000;"> .dropmenu:hover</span>{<span style="color: #ff0000;"> -webkit-animation-name</span>:<span style="color: #0000ff;">SlideDown</span>;<span style="color: #ff0000;"> -moz-animation-name</span>:<span style="color: #0000ff;">SlideDown</span>;<span style="color: #ff0000;"> animation-name</span>:<span style="color: #0000ff;">SlideDown</span>;<span style="color: #ff0000;"> -webkit-animation-duration</span>:<span style="color: #0000ff;">1s</span>;<span style="color: #ff0000;"> -moz-animation-duration</span>:<span style="color: #0000ff;">1s</span>;<span style="color: #ff0000;"> animation-duration</span>:<span style="color: #0000ff;">1s</span>;<span style="color: #ff0000;"> -webkit-animation-fill-mode</span>:<span style="color: #0000ff;">forwards</span>;<span style="color: #ff0000;"> -moz-animation-fill-mode</span>:<span style="color: #0000ff;">forwards</span>;<span style="color: #ff0000;"> animation-fill-mode</span>:<span style="color: #0000ff;">forwards</span>; }<span style="color: #800000;"> @-webkit-keyframes SlideDown</span>{<span style="color: #ff0000;"> 0% {height</span>:<span style="color: #0000ff;">30px</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">height</span>:<span style="color: #0000ff;">155px</span>;}<span style="color: #800000;"> } @-moz-keyframes SlideDown</span>{<span style="color: #ff0000;"> 0% {height</span>:<span style="color: #0000ff;">30px</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">height</span>:<span style="color: #0000ff;">155px</span>;}<span style="color: #800000;"> } @keyframes SlideDown</span>{<span style="color: #ff0000;"> 0% {height</span>:<span style="color: #0000ff;">30px</span>;}<span style="color: #800000;"> 100% </span>{<span style="color: #ff0000;">height</span>:<span style="color: #0000ff;">155px</span>;}<span style="color: #800000;"> }</span>
<span style="color: #008000;"><!--</span><span style="color: #008000;"> HTML代码 </span><span style="color: #008000;">--></span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="dropmenu"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="###"</span><span style="color: #0000ff;">></span>菜单栏<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="###"</span><span style="color: #0000ff;">></span>AAA<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="###"</span><span style="color: #0000ff;">></span>AAA<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="###"</span><span style="color: #0000ff;">></span>AAA<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">li</span><span style="color: #0000ff;">><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="###"</span><span style="color: #0000ff;">></span>AAA<span style="color: #0000ff;"></span><span style="color: #800000;">a</span><span style="color: #0000ff;">></span><span style="color: #800000;">li</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">ul</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span></span>
效果:

Les rôles de HTML, CSS et JavaScript dans le développement Web sont: 1. HTML définit la structure de la page Web, 2. CSS contrôle le style de page Web, et 3. JavaScript ajoute un comportement dynamique. Ensemble, ils construisent le cadre, l'esthétique et l'interactivité des sites Web modernes.

L'avenir de HTML est plein de possibilités infinies. 1) Les nouvelles fonctionnalités et normes comprendront plus de balises sémantiques et la popularité des composants Web. 2) La tendance de la conception Web continuera de se développer vers une conception réactive et accessible. 3) L'optimisation des performances améliorera l'expérience utilisateur grâce à des technologies de chargement d'image réactives et de chargement paresseux.

Les rôles de HTML, CSS et JavaScript dans le développement Web sont: HTML est responsable de la structure du contenu, CSS est responsable du style et JavaScript est responsable du comportement dynamique. 1. HTML définit la structure et le contenu de la page Web via des balises pour assurer la sémantique. 2. CSS contrôle le style de page Web via des sélecteurs et des attributs pour le rendre beau et facile à lire. 3. JavaScript contrôle le comportement de la page Web via les scripts pour atteindre des fonctions dynamiques et interactives.

HtmlisnotaprogrammingNanguage; itisamarkupLanguage.1) htmlstructuresAndFormaSwebContentUsingTags.2) itworkswithcssforStylingandjavaScriptForIterActivity, EnhancingWebDevelopment.

HTML est la pierre angulaire de la construction de la structure des pages Web. 1. HTML définit la structure et la sémantique du contenu et les utilisations, etc. Tags. 2. Fournir des marqueurs sémantiques, tels que, etc., pour améliorer l'effet SEO. 3. Pour réaliser l'interaction de l'utilisateur via des balises, faites attention à la vérification de la forme. 4. Utilisez des éléments avancés tels que, combinés avec JavaScript pour obtenir des effets dynamiques. 5. Les erreurs courantes incluent des étiquettes non clôturées et des valeurs d'attribut non déposées et des outils de vérification sont nécessaires. 6. Les stratégies d'optimisation comprennent la réduction des demandes HTTP, la compression du HTML, l'utilisation de balises sémantiques, etc.

HTML est un langage utilisé pour créer des pages Web, définissant la structure des pages Web et le contenu via des balises et des attributs. 1) HTML organise la structure des documents via des balises, telles que. 2) Le navigateur analyse HTML pour construire le DOM et rend la page Web. 3) De nouvelles caractéristiques de HTML5, telles que, améliorez les fonctions multimédias. 4) Les erreurs courantes incluent des étiquettes non clôturées et des valeurs d'attribut non attribuées. 5) Les suggestions d'optimisation incluent l'utilisation de balises sémantiques et la réduction de la taille du fichier.

WebDevelopmentReliesOnHTML, CSS, etjavascript: 1) HTMLSTRUCTURESCONTENT, 2) CSSSTYLESIT, et3) JavascriptAdddsInterActivity, Forming TheasisofmodernweBEBExperiences.

Le rôle de HTML est de définir la structure et le contenu d'une page Web via des balises et des attributs. 1. HTML organise le contenu via des balises telles que, ce qui le rend facile à lire et à comprendre. 2. Utilisez des balises sémantiques telles que, etc. pour améliorer l'accessibilité et le référencement. 3. Optimisation du code HTML peut améliorer la vitesse de chargement des pages Web et l'expérience utilisateur.


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Ce projet est en cours de migration vers osdn.net/projects/mingw, vous pouvez continuer à nous suivre là-bas. MinGW : un port Windows natif de GNU Compiler Collection (GCC), des bibliothèques d'importation et des fichiers d'en-tête librement distribuables pour la création d'applications Windows natives ; inclut des extensions du runtime MSVC pour prendre en charge la fonctionnalité C99. Tous les logiciels MinGW peuvent fonctionner sur les plates-formes Windows 64 bits.

DVWA
Damn Vulnerable Web App (DVWA) est une application Web PHP/MySQL très vulnérable. Ses principaux objectifs sont d'aider les professionnels de la sécurité à tester leurs compétences et leurs outils dans un environnement juridique, d'aider les développeurs Web à mieux comprendre le processus de sécurisation des applications Web et d'aider les enseignants/étudiants à enseigner/apprendre dans un environnement de classe. Application Web sécurité. L'objectif de DVWA est de mettre en pratique certaines des vulnérabilités Web les plus courantes via une interface simple et directe, avec différents degrés de difficulté. Veuillez noter que ce logiciel

Listes Sec
SecLists est le compagnon ultime du testeur de sécurité. Il s'agit d'une collection de différents types de listes fréquemment utilisées lors des évaluations de sécurité, le tout en un seul endroit. SecLists contribue à rendre les tests de sécurité plus efficaces et productifs en fournissant facilement toutes les listes dont un testeur de sécurité pourrait avoir besoin. Les types de listes incluent les noms d'utilisateur, les mots de passe, les URL, les charges utiles floues, les modèles de données sensibles, les shells Web, etc. Le testeur peut simplement extraire ce référentiel sur une nouvelle machine de test et il aura accès à tous les types de listes dont il a besoin.

SublimeText3 version Mac
Logiciel d'édition de code au niveau de Dieu (SublimeText3)

Bloc-notes++7.3.1
Éditeur de code facile à utiliser et gratuit