纯js和CSS3炫酷自动幻灯片特效
简要教程
Karrot Slider是一款纯Javascript和CSS3制作的自动播放的幻灯片插件。该幻灯片没有任何外部依赖,内置有8种不同的动画过渡效果。该幻灯片支持响应式图片设计模式,也可以制作为全屏幻灯片模式。
使用方法
使用该幻灯片插件需要引入slider.css和sliderEffects.js文件。
<link href="css/slider.css?7.1.33" rel="stylesheet" type="text/css" /> <script src="js/sliderEffects.js?7.1.33"></script>
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HTML结构 创建一个带ID号的<p>,然后设置它的宽度和高度,并将第一张图片放置在这个<p>中。 <p id="slider" style="width: 900px; height: 505px; margin: auto;"> <img src="images/1.jpg" > </p>
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8种内置过渡动画效果的使用 该幻灯片内置了8种不同的动画过渡效果: Dissolve Slide Up Slide Down Slide Left Slide Right Mosaic Window Doors 所有的效果函数都包含2个参数,第一个是当前图片的引用,第二个是下一张图片的引用。 //effect(current, next); KSDissolve("images/1.jpg", "images/2.jpg"); KSSlideUp("images/1.jpg", "images/2.jpg"); KSSlideDown("images/1.jpg", "images/2.jpg"); KSSlideLeft("images/1.jpg", "images/2.jpg"); KSSlideRight("images/1.jpg", "images/2.jpg"); KSMosaic("images/1.jpg", "images/2.jpg"); KSWindows("images/1.jpg", "images/2.jpg"); KSDoors("images/1.jpg", "images/2.jpg");
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初始化插件 要初始化该幻灯片插件,可以创建3个变量:一个图片数组,图片显示的时间和当前图片的下标。 var images = ["images/1.jpg" , "images/2.jpg" , "images/3.jpg", "images/4.jpg" ]; var timing = 3000; var currentImg = 1;
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然后创建一个函数来选择下一张图片,并可以设置过渡到下一张图片时的动画效果。 function karrotSlider() { var nextimg = (currentImg + 1) > images.length ? 1 : currentImg + 1 ; var effect = Math.floor (Math.random()*6 +1 ); switch (effect) { case 1: KSDissolve(images[currentImg- 1], images[nextimg- 1]) break; case 2: KSSlideUp(images[currentImg- 1], images[nextimg- 1]) break; case 3: KSSlideDown(images[currentImg- 1], images[nextimg- 1]) break; case 4: KSSlideLeft(images[currentImg- 1], images[nextimg- 1]) break; case 5: KSSlideRight(images[currentImg- 1], images[nextimg- 1]) break; case 6: KSMosaic(images[currentImg- 1], images[nextimg- 1]) break; case 7: KSWindows(images[currentImg- 1], images[nextimg- 1]) break; case 8: KSDoors(images[currentImg- 1], images[nextimg- 1]) break; } currentImg = (currentImg + 1) > images.length ? 1 : currentImg + 1; }
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最后使用setInterval()函数来调用这个函数。 setInterval(function () { karrotSlider() } , timing);
注意:所有的图片必须尺寸相同。如果想制作全屏幻灯片,可以在body结束之前调用fullScreen();函数。

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