自己实现一些JQuery插件-----------------------------------(一)
实现一个幻灯片轮播
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script type="text/javascript" src="jquery.1.4.2-min.js"></script> <script type="text/javascript" src="jquery.easing.1.3.js"></script> <script type="text/javascript" src="jquery.bq.js"></script> <script type="text/javascript"> $(document).ready(function() { BannerImages();//Banner滑动效果 }); </script> <title>幻灯片图片轮播切换</title> </head> <body> <style type="text/css"> * { margin: 0; padding: 0; list-style-type: none; } a,img { border: 0; } body { font: 12px/180% Arial, Helvetica, sans-serif, "新宋体"; } /* changeBox */ .changeBox { position: relative; height: 397px; width: 732px; overflow: hidden; margin: 30px auto; } .changeBox_imgs { position: relative; height: 354px; width: 732px; overflow: hidden; clear: both; } .changeBox_imgs_list { position: absolute; width: 9999px; } .changeBox_imgs_list li { float: left; height: 354px; width: 732px; } </style> <div id="change" class="changeBox"> <div class="changeBox_imgs"> <ul class="changeBox_imgs_list"> <li><a href="#" target="_blank"><img width="732" height="354" alt="白强" src="images/banner1.jpg" /> </a> </li> <li><a href="#" target="_blank"><img width="732" height="354" alt="白强" src="images/banner2.jpg" /> </a> </li> <li><a href="#" target="_blank"><img width="732" height="354" alt="白强" src="images/banner3.jpg" /> </a> </li> </ul> </div> </div> </body> </html>
相关的文件
jquery.bq.js
function BannerImages() { var e = $("ul.changeBox_imgs_list"), f = 1; var a = function() { var j = (732 * f - 732), j = j == 0 ? 0 : -j; console.log(j); e.animate({ left : j + "px" }, {queue:false, duration:500, easing: 'jswing'}); }; var h = null; var g = function() { h = setInterval(function() { f++; if (f > 3) { f = 1 } a(); }, 3000) }; g(); };
jquery.easing.1.3.js
/* * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/ * * Uses the built in easing capabilities added In jQuery 1.1 * to offer multiple easing options * * TERMS OF USE - jQuery Easing * * Open source under the BSD License. * * Copyright © 2008 George McGinley Smith * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the author nor the names of contributors may be used to endorse * or promote products derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * */ // t: current time, b: begInnIng value, c: change In value, d: duration jQuery.easing['jswing'] = jQuery.easing['swing']; jQuery.extend( jQuery.easing, { def: 'easeOutQuad', swing: function (x, t, b, c, d) { //alert(jQuery.easing.default); return jQuery.easing[jQuery.easing.def](x, t, b, c, d); }, easeInQuad: function (x, t, b, c, d) { return c*(t/=d)*t + b; }, easeOutQuad: function (x, t, b, c, d) { return -c *(t/=d)*(t-2) + b; }, easeInOutQuad: function (x, t, b, c, d) { if ((t/=d/2) < 1) return c/2*t*t + b; return -c/2 * ((--t)*(t-2) - 1) + b; }, easeInCubic: function (x, t, b, c, d) { return c*(t/=d)*t*t + b; }, easeOutCubic: function (x, t, b, c, d) { return c*((t=t/d-1)*t*t + 1) + b; }, easeInOutCubic: function (x, t, b, c, d) { if ((t/=d/2) < 1) return c/2*t*t*t + b; return c/2*((t-=2)*t*t + 2) + b; }, easeInQuart: function (x, t, b, c, d) { return c*(t/=d)*t*t*t + b; }, easeOutQuart: function (x, t, b, c, d) { return -c * ((t=t/d-1)*t*t*t - 1) + b; }, easeInOutQuart: function (x, t, b, c, d) { if ((t/=d/2) < 1) return c/2*t*t*t*t + b; return -c/2 * ((t-=2)*t*t*t - 2) + b; }, easeInQuint: function (x, t, b, c, d) { return c*(t/=d)*t*t*t*t + b; }, easeOutQuint: function (x, t, b, c, d) { return c*((t=t/d-1)*t*t*t*t + 1) + b; }, easeInOutQuint: function (x, t, b, c, d) { if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b; return c/2*((t-=2)*t*t*t*t + 2) + b; }, easeInSine: function (x, t, b, c, d) { return -c * Math.cos(t/d * (Math.PI/2)) + c + b; }, easeOutSine: function (x, t, b, c, d) { return c * Math.sin(t/d * (Math.PI/2)) + b; }, easeInOutSine: function (x, t, b, c, d) { return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b; }, easeInExpo: function (x, t, b, c, d) { return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b; }, easeOutExpo: function (x, t, b, c, d) { return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b; }, easeInOutExpo: function (x, t, b, c, d) { if (t==0) return b; if (t==d) return b+c; if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b; return c/2 * (-Math.pow(2, -10 * --t) + 2) + b; }, easeInCirc: function (x, t, b, c, d) { return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b; }, easeOutCirc: function (x, t, b, c, d) { return c * Math.sqrt(1 - (t=t/d-1)*t) + b; }, easeInOutCirc: function (x, t, b, c, d) { if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b; return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b; }, easeInElastic: function (x, t, b, c, d) { var s=1.70158;var p=0;var a=c; if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3; if (a < Math.abs(c)) { a=c; var s=p/4; } else var s = p/(2*Math.PI) * Math.asin (c/a); return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b; }, easeOutElastic: function (x, t, b, c, d) { var s=1.70158;var p=0;var a=c; if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3; if (a < Math.abs(c)) { a=c; var s=p/4; } else var s = p/(2*Math.PI) * Math.asin (c/a); return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b; }, easeInOutElastic: function (x, t, b, c, d) { var s=1.70158;var p=0;var a=c; if (t==0) return b; if ((t/=d/2)==2) return b+c; if (!p) p=d*(.3*1.5); if (a < Math.abs(c)) { a=c; var s=p/4; } else var s = p/(2*Math.PI) * Math.asin (c/a); if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b; return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b; }, easeInBack: function (x, t, b, c, d, s) { if (s == undefined) s = 1.70158; return c*(t/=d)*t*((s+1)*t - s) + b; }, easeOutBack: function (x, t, b, c, d, s) { if (s == undefined) s = 1.70158; return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b; }, easeInOutBack: function (x, t, b, c, d, s) { if (s == undefined) s = 1.70158; if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b; return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b; }, easeInBounce: function (x, t, b, c, d) { return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b; }, easeOutBounce: function (x, t, b, c, d) { if ((t/=d) < (1/2.75)) { return c*(7.5625*t*t) + b; } else if (t < (2/2.75)) { return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b; } else if (t < (2.5/2.75)) { return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b; } else { return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b; } }, easeInOutBounce: function (x, t, b, c, d) { if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b; return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b; } }); /* * * TERMS OF USE - EASING EQUATIONS * * Open source under the BSD License. * * Copyright © 2001 Robert Penner * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the author nor the names of contributors may be used to endorse * or promote products derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * */
