CSS33D旋转图（跑马灯效果图）

CSS3新增了很多新的属性，可以用很少的代码实现炫酷的动画效果，但由于兼容性各浏览器的能力存在不足，有特别需求的网站就呵呵啦。H5C3已是大势所趋了，之前看过一个新闻，Chrome将在年底全面转向H5，抛弃了Flash。。 

本案例主要使用了CSS3中的变换transform和动画animation属性，实现了跑马灯效果，详细的解释在代码中的注释中。

做好布局之后的效果图

 

　　添加了animation样式，实现自动旋转，并且鼠标移入，停止动画。（鼠标移入，绕Z轴旋转90度）

代码：

<span style="color: #008080;"> 1</span> <span style="color: #0000ff;"><span style="color: #ff00ff;">DOCTYPE html</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 2</span> <span style="color: #0000ff;"><span style="color: #800000;">html </span><span style="color: #ff0000;">lang</span><span style="color: #0000ff;">="en"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 3</span> <span style="color: #0000ff;"><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 4</span>     <span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">charset</span><span style="color: #0000ff;">="UTF-8"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 5</span>     <span style="color: #0000ff;"><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>3D旋转<span style="color: #0000ff;"></span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 6</span>     <span style="color: #0000ff;"><span style="color: #800000;">script </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">='jquery-3.0.0.min.js'</span><span style="color: #0000ff;">></span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 7</span>     <span style="color: #0000ff;"><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 8</span> <span style="background-color: #f5f5f5; color: #800000;">        * </span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 9</span> <span style="background-color: #f5f5f5; color: #ff0000;">            margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">10</span> <span style="background-color: #f5f5f5; color: #ff0000;">            padding</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">11</span>         <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">12</span> <span style="background-color: #f5f5f5; color: #800000;">        .container </span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">13</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">指定观察者与平面的距离，使有透视效果</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">14</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">若无法正常3d效果，将perspective属性提到更上一个父容器即可(此处已上提，从items-->container)</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">15</span> <span style="background-color: #f5f5f5; color: #ff0000;">            perspective</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 1000px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">16</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">让container的伪类有过渡效果--51-54行</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">17</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">transition: all 1s;</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">18</span>         <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">19</span> <span style="background-color: #f5f5f5; color: #800000;">        .items </span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">20</span> <span style="background-color: #f5f5f5; color: #ff0000;">            width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">21</span> <span style="background-color: #f5f5f5; color: #ff0000;">            height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">22</span> <span style="background-color: #f5f5f5; color: #ff0000;">            border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 1px solid #c18</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">23</span> <span style="background-color: #f5f5f5; color: #ff0000;">            margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 200px auto</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">24</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">指定子元素定位在三维空间内</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">25</span> <span style="background-color: #f5f5f5; color: #ff0000;">            transform-style</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> preserve-3d</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">26</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">让所有item的父级元素（即items）旋转，item就是围绕着旋转了</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">27</span> <span style="background-color: #f5f5f5; color: #ff0000;">            animation</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> autoMove 10s infinite linear</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">28</span> 
<span style="color: #008080;">29</span>         <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">30</span> <span style="background-color: #f5f5f5; color: #800000;">        .item </span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">31</span> <span style="background-color: #f5f5f5; color: #ff0000;">            width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">32</span> <span style="background-color: #f5f5f5; color: #ff0000;">            height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">33</span> <span style="background-color: #f5f5f5; color: #ff0000;">            background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> skyblue</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">34</span> <span style="background-color: #f5f5f5; color: #ff0000;">            opacity</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> .6</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">35</span> <span style="background-color: #f5f5f5; color: #ff0000;">            font-size</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">36</span> <span style="background-color: #f5f5f5; color: #ff0000;">            line-height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">37</span> <span style="background-color: #f5f5f5; color: #ff0000;">            text-align</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> center</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">38</span> <span style="background-color: #f5f5f5; color: #ff0000;">            position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">39</span>         <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">40</span>         <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">定义自动旋转的动画</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">41</span> <span style="background-color: #f5f5f5; color: #800000;">        @keyframes autoMove </span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">42</span> <span style="background-color: #f5f5f5; color: #ff0000;">            from { </span><span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">43</span> <span style="background-color: #f5f5f5; color: #800000;">            to </span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">44</span> <span style="background-color: #f5f5f5; color: #ff0000;">                transform</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> rotateY(-360deg)</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">45</span>             <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">46</span> <span style="background-color: #f5f5f5; color: #800000;">        }
</span><span style="color: #008080;">47</span> <span style="background-color: #f5f5f5; color: #800000;">        .items:hover </span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">48</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">鼠标移入 暂停动画</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">49</span> <span style="background-color: #f5f5f5; color: #ff0000;">            animation-play-state</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> paused</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">50</span>         <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">51</span> <span style="background-color: #f5f5f5; color: #800000;">        .container:hover </span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">52</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">鼠标移入，绕Z轴旋转90deg</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">53</span>             <span style="background-color: #f5f5f5; color: #008000;">/*</span><span style="background-color: #f5f5f5; color: #008000;">transform: rotateZ(90deg);</span><span style="background-color: #f5f5f5; color: #008000;">*/</span>
<span style="color: #008080;">54</span>         <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">55</span>     <span style="color: #0000ff;"></span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">56</span>     <span style="color: #0000ff;"><span style="color: #800000;">script</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">57</span> <span style="background-color: #f5f5f5; color: #000000;">        $(</span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> () {
</span><span style="color: #008080;">58</span>             <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> itemNum </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> $(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">.container .items .item</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).length;</span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">要旋转的div的数量</span>
<span style="color: #008080;">59</span>             <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> itemDeg </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #000000;">360</span> <span style="background-color: #f5f5f5; color: #000000;">/</span><span style="background-color: #f5f5f5; color: #000000;"> itemNum;</span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">计算平均偏移角度，后面的itemDeg*index是不同索引div的偏移角度</span>
<span style="color: #008080;">60</span> <span style="background-color: #f5f5f5; color: #000000;">            $(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">.items>.item</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).each(</span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> (index, element) {
</span><span style="color: #008080;">61</span> <span style="background-color: #f5f5f5; color: #000000;">                $(element).css({
</span><span style="color: #008080;">62</span>                     <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">给每一个item设置好位置</span>
<span style="color: #008080;">63</span>                     <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">rotateY让每一个item绕着Y轴偏移，itemDeg*index是不同索引div的偏移角度</span>
<span style="color: #008080;">64</span>                     <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">translateZ是控制item在角度偏移后，往他们的正上方移动的距离，数值越大旋转的范围越大</span>
<span style="color: #008080;">65</span> <span style="background-color: #f5f5f5; color: #000000;">                    transform: </span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">rotateY(</span><span style="background-color: #f5f5f5; color: #000000;">"</span> <span style="background-color: #f5f5f5; color: #000000;">+</span><span style="background-color: #f5f5f5; color: #000000;"> itemDeg </span><span style="background-color: #f5f5f5; color: #000000;">*</span><span style="background-color: #f5f5f5; color: #000000;"> index </span><span style="background-color: #f5f5f5; color: #000000;">+</span> <span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">deg) translateZ(280px)</span><span style="background-color: #f5f5f5; color: #000000;">"</span>
<span style="color: #008080;">66</span> <span style="background-color: #f5f5f5; color: #000000;">                });
</span><span style="color: #008080;">67</span> <span style="background-color: #f5f5f5; color: #000000;">            });
</span><span style="color: #008080;">68</span> <span style="background-color: #f5f5f5; color: #000000;">        });
</span><span style="color: #008080;">69</span>     <span style="color: #0000ff;"></span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">70</span> <span style="color: #0000ff;"></span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">71</span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">72</span>     <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="container"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">73</span>         <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="items"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">74</span>             <span style="color: #008000;"><!--</span><span style="color: #008000;">简便起见，用背景色和数字代替图片</span><span style="color: #008000;">--></span>
<span style="color: #008080;">75</span>             <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item"</span><span style="color: #0000ff;">></span>1<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">76</span>             <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item"</span><span style="color: #0000ff;">></span>2<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">77</span>             <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item"</span><span style="color: #0000ff;">></span>3<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">78</span>             <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item"</span><span style="color: #0000ff;">></span>4<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">79</span>             <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item"</span><span style="color: #0000ff;">></span>5<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">80</span>             <span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="item"</span><span style="color: #0000ff;">></span>6<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">81</span>         <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">82</span>     <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">83</span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">84</span> <span style="color: #0000ff;"></span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>