横向带缓冲的图片轮播,可手动控制有页码

发布时间：2018-09-20 11:29:51 所属栏目：Asp教程来源：站长网

导读：本文中介绍的特效是由 Java script完成的，仿淘宝网的图片切换，类似相册播放的效果，没有使用 jQuery ，特效中带有页码，可以点击上一页，下一页手动控制切换。请朋友们注意，代码初次写成，未经重新优化及整理，希望大家继续修正。效果如下：横向带缓

　　本文中介绍的特效是由Javascript完成的，仿淘宝网的图片切换，类似相册播放的效果，没有使用jQuery，特效中带有页码，可以点击上一页，下一页手动控制切换。

　　请朋友们注意，代码初次写成，未经重新优化及整理，希望大家继续修正。

　　效果如下：横向带缓冲的图片轮播,可手动控制有页码

　　网页版：点击这里

　　运行版：

<!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=gbk" /> <title>淘宝图片切换 - Liehuo.Net</title> <base href="http://www.veryhuo.com/"> <style type="text/css"> * {margin:0; padding:0; vertical-align:top;} img{border:0 none} .photo{ width:600px; height:400px; overflow:hidden; position:relative} .photo .step{ position:absolute; bottom:10px;right:15px; height:23px; z-index:2; color:#fff; font-size:14px; font-weight:bold;vertical-align:middle; cursor:pointer} .photo .step em{ margin:0 5px} .photo ul{ float:left; position:absolute;top:0;left:0;width:2208px} .photo li{ float:left;background:#09e; } .photo li img{ display:block;width:600px;height: 400px; } </style> </head> <body>  <div class="column"> <div class="photo" id="photo"> <ul class="clear" id="photo-sub" style="width:2944px"> <li><a href="#nogo" title="四季如春" target="_blank"><img src="/uploads/common/images/liehuo_net_600x400_1.jpg" alt="" /></a></li> <li><a href="#nogo" title="世界风光" target="_blank"><img src="/uploads/common/images/liehuo_net_600x400_2.jpg" alt="" /></a></li> <li><a href="#nogo" title="黄河之谜" target="_blank"><img src="/uploads/common/images/liehuo_net_600x400_3.jpg" alt="" /></a></li> <li><a href="#nogo" title="仅供测试" target="_blank"><img src="/uploads/common/images/liehuo_net_600x400_4.jpg" alt="" /></a></li> </ul> <div class="step" id="step-num"><span>上一页</span><em>1</em>/<em>3</em><span>下一页</span></div> </div> </div>  <script type="text/javascript"> function photoAlbumn(photoObj,btnObj,numObj){ var moveNum = 1, _void=true, cloneObj,nums, voidClone=false, d=document, elem = d.getElementById(photoObj), btnObj=d.getElementById(btnObj), numObj=d.getElementById(numObj); if (!elem) return false; if (!btnObj) return false; var elemObj = elem.getElementsByTagName("li"), autoWidth = elemObj[0].offsetWidth, btns = btnObj.getElementsByTagName("span"), max=elemObj.length; elem.style.width = (max+1)*autoWidth + "px"; var numElement =function(){ if(numObj){ nums = numObj.getElementsByTagName("em"); nums[1].innerHTML = max; nums[0].innerHTML = moveNum; } } var moveElement =function(final_x,final_y,interval){ _void = false; var step = function () { if (elem.movement) clearTimeout(elem.movement); if (!elem.style.left) elem.style.left = "0px"; if (!elem.style.top) elem.style.top = "0px"; var xpos = parseInt(elem.style.left); var ypos = parseInt(elem.style.top); //alert(xpos) if (xpos == final_x && ypos == final_y) { _void = true; if(voidClone){ elem.style.left = (moveNum > 2)?(-(max-1)*autoWidth +"px"):"0px"; elem.removeChild(cloneObj); voidClone = false; } return true; } if (xpos < final_x) { var dist = Math.ceil((final_x - xpos)/10); xpos = xpos + dist; } if (xpos > final_x) { var dist = Math.ceil((xpos - final_x)/10); xpos = xpos - dist; } if (ypos < final_y) { var dist = Math.ceil((final_y - ypos)/10); ypos = ypos + dist; } if (ypos > final_y) { var dist = Math.ceil((ypos - final_y)/10); ypos = ypos - dist; } elem.style.left = xpos + "px"; elem.style.top = ypos + "px"; elem.movement = setTimeout(function(){step()},interval); } elem.movement = setTimeout(function(){step()},interval); } ; var moveAutoShow = function (){ moveNum++; if(moveNum > max){ cloneObj = elemObj[0].cloneNode(true); elem.appendChild(cloneObj); voidClone = true; } moveElement(-autoWidth*(moveNum-1),0,5); if(moveNum > max) moveNum=1; numElement(); }; var prepareSlideshow = function (){ var moveAuto = setInterval(function(){moveAutoShow()},5000); btns[0].onmousedown = function() { if(!_void) return false; clearInterval(moveAuto); moveNum--; if(moveNum < 1){ cloneObj = elemObj[(max-1)].cloneNode(true); cloneObj.style.cssText=";position:absolute;left:-" + autoWidth +"px"; elem.insertBefore(cloneObj,elemObj[0]); voidClone = true; } moveElement(-autoWidth*(moveNum-1),0,5); moveAuto = setInterval(function(){moveAutoShow()},5000); if(moveNum < 1) moveNum=max; numElement(); } btns[1].onmousedown = function() { if(!_void) return false; clearInterval(moveAuto); moveNum++; if(moveNum > max){ cloneObj = elemObj[0].cloneNode(true); elem.appendChild(cloneObj); voidClone = true; } moveElement(-autoWidth*(moveNum-1),0,5); moveAuto = setInterval(function(){moveAutoShow()},5000); if(moveNum > max) moveNum=1; numElement(); } }; numElement(); prepareSlideshow(); } photoAlbumn("photo-sub","photo","step-num"); </script> </body> </html> <br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
提示：可修改后代码再运行!

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