jQuery bgStretcher 背景图片切换效果插件
偶尔发现了这么一个插件,很不错的一个功能!
jQuery bgStretcher (Background Stretcher),可以为你的网页添加多张背景图,且多个背景图能够自动切换,同时背景图大小可以自适应浏览器窗口的大小。背景图的切换效果有淡入淡出,滚动,幻灯,其中选用滚动和幻灯时,可以选择方向,上下左右,或者左上右下,右上左下。图片切换顺序也可以设置正向,反向或者随机。
插件特点:
脚本文件简洁,设置简单;
支持所有新版浏览器;
支持单张或者多张图片。
插件使用:
首先你要把插件先下载再说,插件包里已经包含了所需要的JS文件。
然后,把下面的代码插入到你网页的<head>和</head>之间,这样后面才能使用插件,注意代码中的路径,至于是相对路径还是绝对路径看你实际需要。
<script type="text/javascript" src="../jquery-1.5.2.min.js"></script> <script type="text/javascript" src="../bgstretcher.js"></script> <link rel="stylesheet" href="../bgstretcher.css" />
接着把下面的代码,插入到上面代码之后,来初始化 bgStretcher 插件,要告知插件在哪个元素上起作用,同时可以配置插件的选项。同样,注意代码中的图片路径不要出错。
<script type="text/javascript"> $(document).ready(function(){ // Initialize Backgound Stretcher $('BODY').bgStretcher({ images: ['images/sample-1.jpg', 'images/sample-2.jpg', 'images/sample-3.jpg', 'images/sample-4.jpg'], imageWidth: 1024, imageHeight: 768 }); }); </script>
该插件不只是用于整个网页背景,还可以用于某个网页元素,当然,起码这个元素能设置背景,比如DIV之类等等。选择网页元素是通过ID或者Class来的,应为BODY这个元素名是网页里唯一的元素名,也就是给整个网页设置背景。如果是给页面某一个DIV块设置背景,那你需要给这个DIV定义一个ID或者知道它的样式Class名也行,ID和Class名最好是唯一的,要不然效果很惊人。
<script type="text/javascript"> $(document).ready(function(){ // Initialize Backgound Stretcher $('.classname-of-div').bgStretcher({ images: ['images/sample-1.jpg', 'images/sample-2.jpg', 'images/sample-3.jpg', 'images/sample-4.jpg'], imageWidth: 1024, imageHeight: 768 }); }); </script> <body> <div class="classname-of-div"> Your content goes here... </div> </body>
插件选项:
配置选项 | 缺 省 值 | 选项说明 |
---|---|---|
imageContainer | bgstretcher | bgStretcher will automatically build structure for the images list in a DOM tree. This parameter is ID for the images holder. Try inspecting the tree with a FireBug to get an idea how it's constructed. |
resizeProportionally | true | Indicates if background image(s) will be resized proportionally or not. |
resizeAnimate | false | Indicates if background image(s) will be resized with animation. (Be careful, this may slow down some PCs if your images are large.) |
images | empty | An array containing list of images to be displayed on page's background. |
imageWidth | 1024 | Original image's width. |
imageHeight | 768 | Original image's height. |
maxWidth | auto | Maximum image's width. |
maxHeight | auto | Maximum image's height. |
nextSlideDelay | 3000 (3 seconds) | Numeric value in milliseconds. The parameter sets delay until next slide should start. |
slideShowSpeed | normal | Numeric value in milliseconds or jQuery string value ('fast', 'normal', 'slow'). The parameter sets the speed of transition between images. |
slideShow | true | Allows or disallows slideshow functionality. |
transitionEffect | fade | Transition effect (use also: none, simpleSlide, superSlide). |
slideDirection | N | Slide Diraction: N – north, S – south, W – west, E – East (if transitionEffect = superSlide use also: NW, NE, SW, SE). |
sequenceMode | normal | Sequence mode (use also: back, random) |
buttonPrev | empty | Previous button CSS selector |
buttonNext | empty | Next button CSS selector |
pagination | empty | CSS selector for pagination |
anchoring | 'left top' | Anchoring bgStrtcher area regarding window |
anchoringImg | 'left top' | Anchoring images regarding window |
preloadImg | false | For Preload images use true |
stratElementIndex | 0 | Start element index |
callbackfunction | null | Name of callback function |
插件方法:
方法名称 | 方法说明 |
---|---|
$(objID).bgStretcher.play() | Resume background slideshow |
$(objID).bgStretcher.pause() | Pause background slideshow |
$(objID).bgStretcher.sliderDestroy() | Destroy background slideshow |
浏览器兼容性:
MS Internet Explorer 6, 7, 8, 9
Mozilla Firefox 2, 3, 4
Opera 9+
Apple Safari
Google Chrome
下载地址:http://www.ajaxblender.com/script-sources/bgstretcher-2/download/bgstretcher-2.zip
Demo:http://www.ajaxblender.com/script-sources/bgstretcher-2/demo/index.html
主页:http://www.ajaxblender.com/bgstretcher-2-jquery-stretch-background-plugin-updated.html
作者:Crazy Ma
出处:http://www.cnblogs.com/intcry
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