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HomeWeb Front-endH5 Tutorial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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