CSS3 implements simple carousel chart
Use css3 animation to achieve image switching effect. The principle is to change the left value. There is only the simplest auto-play function, which stops for a short time after switching and clones the first picture through the last position to achieve seamless switching.
html structure
<span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="container"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">ul </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="pic"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:;"</span><span style="color: #0000ff;">><</span><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="images/DSC01627.jpg"</span><span style="color: #ff0000;"> alt</span><span style="color: #0000ff;">="pic1"</span><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;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:;"</span><span style="color: #0000ff;">><</span><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="images/DSC01628.jpg"</span><span style="color: #ff0000;"> alt</span><span style="color: #0000ff;">="pic2"</span><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;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:;"</span><span style="color: #0000ff;">><</span><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="images/DSC02637.jpg"</span><span style="color: #ff0000;"> alt</span><span style="color: #0000ff;">="pic3"</span><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;">li</span><span style="color: #0000ff;">><</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:;"</span><span style="color: #0000ff;">><</span><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="images/DSC01627.jpg"</span><span style="color: #ff0000;"> alt</span><span style="color: #0000ff;">="pic1"</span><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: #008000;"><!--</span><span style="color: #008000;"> 克隆第一张 </span><span style="color: #008000;">--></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>css style
<span style="color: #800000;"> *</span>{<span style="color: #ff0000;">
margin</span>:<span style="color: #0000ff;"> 0</span>;<span style="color: #ff0000;">
padding</span>:<span style="color: #0000ff;"> 0</span>;<span style="color: #ff0000;">
text-decoration</span>:<span style="color: #0000ff;"> none</span>;
}<span style="color: #800000;">
ul</span>{<span style="color: #ff0000;">
list-style</span>:<span style="color: #0000ff;"> none</span>;
}<span style="color: #800000;">
#container</span>{<span style="color: #ff0000;">
position</span>:<span style="color: #0000ff;"> relative</span>;<span style="color: #ff0000;">
width</span>:<span style="color: #0000ff;"> 400px</span>;<span style="color: #ff0000;">
height</span>:<span style="color: #0000ff;"> 200px</span>;<span style="color: #ff0000;">
overflow</span>:<span style="color: #0000ff;"> hidden</span>;<span style="color: #008000;">/*</span><span style="color: #008000;">隐藏溢出的图片</span><span style="color: #008000;">*/</span>
}<span style="color: #800000;">
.pic</span>{<span style="color: #ff0000;">
width</span>:<span style="color: #0000ff;">1600px</span>;<span style="color: #008000;">/*</span><span style="color: #008000;">4张图的宽度</span><span style="color: #008000;">*/</span><span style="color: #ff0000;">
position</span>:<span style="color: #0000ff;"> absolute</span>;<span style="color: #008000;">/*</span><span style="color: #008000;">基于父容器进行定位</span><span style="color: #008000;">*/</span><span style="color: #ff0000;">
left</span>:<span style="color: #0000ff;">0</span>;<span style="color: #ff0000;">
animation-name</span>:<span style="color: #0000ff;"> focusmap</span>;<span style="color: #ff0000;">
animation-duration</span>:<span style="color: #0000ff;"> 12s</span>;<span style="color: #ff0000;">
animation-iteration-count</span>:<span style="color: #0000ff;"> infinite</span>;//<span style="color: #008000;">动画调用可以简写</span>
}<span style="color: #800000;">
@keyframes focusmap </span>{<span style="color: #ff0000;">
0%,30%{
left</span>:<span style="color: #0000ff;"> 0</span>;
}<span style="color: #800000;">
35%,65%</span>{<span style="color: #ff0000;">
left</span>:<span style="color: #0000ff;"> -400px</span>;
}<span style="color: #800000;">
70%,99%</span>{<span style="color: #ff0000;">
left</span>:<span style="color: #0000ff;"> -800px</span>;
}<span style="color: #800000;">
100%</span>{<span style="color: #ff0000;">
left</span>:<span style="color: #0000ff;"> -1200px</span>;
}<span style="color: #800000;">
}
.pic li</span>{<span style="color: #ff0000;">
float</span>:<span style="color: #0000ff;"> left</span>;<span style="color: #ff0000;">
background</span>:<span style="color: #0000ff;"> #5dd94e</span>;
}<span style="color: #800000;">
.pic li img </span>{<span style="color: #ff0000;">
width</span>:<span style="color: #0000ff;"> 400px</span>;<span style="color: #ff0000;">
height</span>:<span style="color: #0000ff;"> 200px</span>;
}
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