周末了，再更新一篇，心血来潮做的幻灯片效果，原理很简单，这里就不想赘述，核心代码其实还是我之前写过的【一步一步教你写淡入淡出插件】的东西，只是换了种变换方式而已。所以有兴趣的同学情自行研究那几篇文章，思路说的比较详细。下面就只发代码和效果了。
<!Doctype html> <html> <head> <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> <title>shutter</title> <style type="text/css" _mce_bogus="1"><!-- span{overflow:hidden;font-size:0;line-height:0} .shutter{position:relative;overflow:hidden;height:300px;500px} .shutter li{position:absolute;left:0;top:0;} ul,li{list-style:none;margin:0;padding:0} img{display:block;border:none} .shutter-nav{display:inline-block;margin-right:8px;color:#fff;padding:2px 6px;background:#333;border:1px solid #fff;font-family:Tahoma;font-weight:bold;font-size:12px;cursor:pointer;} .shutter-cur-nav{display:inline-block;margin-right:8px;color:#fff;padding:2px 6px;background:#ff7a00;border:1px solid #fff;font-family:Tahoma;font-weight:bold;font-size:12px;cursor:pointer;} --></style> <script type="text/javascript"><!-- var Hongru={}; function H$(id){return document.getElementById(id)} function H$$(c,p){return p.getElementsByTagName(c)} Hongru.shutter = function(){ function init(anchor,options){this.anchor=anchor; this.init(options);} init.prototype = { init:function(options){ //options参数：id（必选）：图片列表父标签id；auto（可选）：自动运行时间；index（可选）：开始的运行的图片序号 var wp = H$(options.id), // 获取图片列表父元素 ul = H$$('ul',wp)[0], // 获取 li = this.li = H$$('li',ul); this.a = options.auto?options.auto:4; //自动运行间隔 this.index = options.position?options.position:0; //开始运行的图片序号（从0开始） this.l = li.length; this.cur = 0; //当前显示的图片序号&&z-index变量 this.stN = options.shutterNum?options.shutterNum:5; this.dir = options.shutterDir?options.shutterDir:'H'; this.W = wp.offsetWidth; this.H = wp.offsetHeight; this.aw = 0; this.mask = []; this.nav = []; ul.style.display = 'none'; var container = this.container = document.createElement('div'), con_a = this._a = document.createElement('a'); con_a.target = '_blank'; container.style.cssText = con_a.style.cssText = 'position:absolute;'+this.W+'px;height:'+this.H+'px;left:0;top:0'; container.appendChild(con_a); for (var x=0; x<this.stN; x++) { var mask = document.createElement('span'); mask.style.cssText = this.dir == 'H'?'position:absolute;'+this.W/this.stN+'px;height:'+this.H+'px;left:'+x*this.W/this.stN+'px;top:0' : 'position:absolute;'+this.W+'px;height:'+this.H/this.stN+'px;left:0px;top:'+x*this.H/this.stN+'px'; this.mask.push(mask); con_a.appendChild(mask); } wp.appendChild(container); this.nav_wp = document.createElement('div'); //先建一个div作为控制器父标签，你也可以用<ul>或<ol>来做，语义可能会更好，这里我就不改了 this.nav_wp.style.cssText = 'position:absolute;right:0;bottom:0;padding:8px 0;'; //为它设置样式 for(var i=0;i<this.l;i++){ /* == 绘制控制器 == */ var nav = document.createElement('a'); //这里我就直接用a标签来做控制器，考虑语义的话你也可以用li nav.className = options.navClass?options.navClass:'shutter-nav'; //控制器class，默认为'shutter-nav' this.nav.push[nav]; nav.innerHTML = i+1; nav.onclick = new Function(this.anchor+'.pos('+i+')'); //绑定onclick事件，直接调用之前写好的pos()函数 this.nav_wp.appendChild(nav); } wp.appendChild(this.nav_wp); this.curC = options.curNavClass?options.curNavClass:'shutter-cur-nav'; this.pos(this.index); //变换函数 }, auto:function(){ this.li.a = setInterval(new Function(this.anchor+'.move(1)'),this.a*1000); }, move:function(i){//参数i有两种选择，1和-1,1代表运行到下一张，-1代表运行到上一张 var n = this.cur+i; var m = i==1?n==this.l?0:n:n<0?this.l-1:n; //下一张或上一张的序号（注意三元选择符的运用） this.pos(m); //变换到上一张或下一张 }, pos:function(i){ clearInterval(this.li.a); clearInterval(this.li[i].a); this.aw = this.dir == 'H'?this.W/this.stN : this.H/this.stN; var src = H$$('img',this.li[i])[0].src; var _n = i+1>=this.l?0:i+1; var src_n = H$$('img',this.li[_n])[0].src; this.container.style.backgroundImage = 'url('+src_n+')'; for(var n=0;n<this.stN;n++){ this.mask[n].style.cssText = this.dir == 'H'?'position:absolute;'+this.W/this.stN+'px;height:'+this.H+'px;left:'+n*this.W/this.stN+'px;top:0' : 'position:absolute;'+this.W+'px;height:'+this.H/this.stN+'px;left:0px;top:'+n*this.H/this.stN+'px'; this.mask[n].style.background = this.dir == 'H' ? 'url('+src+') no-repeat -'+n*this.W/this.stN+'px 0' : 'url('+src+') no-repeat 0 -'+n*this.H/this.stN+'px'; } this.cur = i; //绑定当前显示图片的正确序号 this.li.a = false; for(var x=0;x<this.l;x++){ H$$('a',this.nav_wp)[x].className = x==i?this.curC:'shutter-nav'; //绑定当前控制器样式 } this._a.href = H$$('a',this.li[i])[0].href; //this.auto(); //自动运行 this.li[i].a = setInterval(new Function(this.anchor+'.anim('+i+')'), 4*this.stN); }, anim: function (i) { var tt = this.dir == 'H' ? parseInt(this.mask[this.stN-1].style.width) : parseInt(this.mask[this.stN-1].style.height); if(tt<=5){ clearInterval(this.li[i].a); for(var n=0;n<this.stN;n++){ this.dir == 'H' ? this.mask[n].style.width = 0 : this.mask[n].style.height = 0; } if(!this.li.a) {this.auto()} }else { for(var n=0;n<this.stN;n++){ this.aw -= 1; this.dir == 'H' ? this.mask[n].style.width = this.aw + 'px' : this.mask[n].style.height = this.aw + 'px'; } } } } return {init:init} }(); // --></script> </head> <body> <div id="shutter" class="shutter" style="float:left" _mce_style="float: left;"> <ul> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_1.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_1.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_2.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_2.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_3.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_3.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_4.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_4.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_5.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_5.jpg" /></a></li> </ul> </div> <div id="shutter2" class="shutter" style="float:right" _mce_style="float: right;"> <ul> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_1.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_1.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_2.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_2.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_3.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_3.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_4.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_4.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_5.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_5.jpg" /></a></li> </ul> </div> <script type="text/javascript"><!-- var shutterH = new Hongru.shutter.init('shutterH',{ id:'shutter' }); var shutterV = new Hongru.shutter.init('shutterV',{ id:'shutter2', auto:2, shutterNum:4, shutterDir:'V', position:3 }); // --></script> </body> </html>
<!Doctype html> <html> <head> <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> <title>shutter</title> <style type="text/css" _mce_bogus="1"><!-- span{overflow:hidden;font-size:0;line-height:0} .shutter{position:relative;overflow:hidden;height:300px;500px} .shutter li{position:absolute;left:0;top:0;} ul,li{list-style:none;margin:0;padding:0} img{display:block;border:none} .shutter-nav{display:inline-block;margin-right:8px;color:#fff;padding:2px 6px;background:#333;border:1px solid #fff;font-family:Tahoma;font-weight:bold;font-size:12px;cursor:pointer;} .shutter-cur-nav{display:inline-block;margin-right:8px;color:#fff;padding:2px 6px;background:#ff7a00;border:1px solid #fff;font-family:Tahoma;font-weight:bold;font-size:12px;cursor:pointer;} --></style> <script type="text/javascript"><!-- var Hongru={}; function H$(id){return document.getElementById(id)} function H$$(c,p){return p.getElementsByTagName(c)} Hongru.shutter = function(){ function init(anchor,options){this.anchor=anchor; this.init(options);} init.prototype = { init:function(options){ //options参数：id（必选）：图片列表父标签id；auto（可选）：自动运行时间；index（可选）：开始的运行的图片序号 var wp = H$(options.id), // 获取图片列表父元素 ul = H$$('ul',wp)[0], // 获取 li = this.li = H$$('li',ul); this.a = options.auto?options.auto:4; //自动运行间隔 this.index = options.position?options.position:0; //开始运行的图片序号（从0开始） this.l = li.length; this.cur = 0; //当前显示的图片序号&&z-index变量 this.stN = options.shutterNum?options.shutterNum:5; this.dir = options.shutterDir?options.shutterDir:'H'; this.W = wp.offsetWidth; this.H = wp.offsetHeight; this.aw = 0; this.mask = []; this.nav = []; ul.style.display = 'none'; var container = this.container = document.createElement('div'), con_a = this._a = document.createElement('a'); con_a.target = '_blank'; container.style.cssText = con_a.style.cssText = 'position:absolute;'+this.W+'px;height:'+this.H+'px;left:0;top:0'; container.appendChild(con_a); for (var x=0; x<this.stN; x++) { var mask = document.createElement('span'); mask.style.cssText = this.dir == 'H'?'position:absolute;'+this.W/this.stN+'px;height:'+this.H+'px;left:'+x*this.W/this.stN+'px;top:0' : 'position:absolute;'+this.W+'px;height:'+this.H/this.stN+'px;left:0px;top:'+x*this.H/this.stN+'px'; this.mask.push(mask); con_a.appendChild(mask); } wp.appendChild(container); this.nav_wp = document.createElement('div'); //先建一个div作为控制器父标签，你也可以用<ul>或<ol>来做，语义可能会更好，这里我就不改了 this.nav_wp.style.cssText = 'position:absolute;right:0;bottom:0;padding:8px 0;'; //为它设置样式 for(var i=0;i<this.l;i++){ /* == 绘制控制器 == */ var nav = document.createElement('a'); //这里我就直接用a标签来做控制器，考虑语义的话你也可以用li nav.className = options.navClass?options.navClass:'shutter-nav'; //控制器class，默认为'shutter-nav' this.nav.push[nav]; nav.innerHTML = i+1; nav.onclick = new Function(this.anchor+'.pos('+i+')'); //绑定onclick事件，直接调用之前写好的pos()函数 this.nav_wp.appendChild(nav); } wp.appendChild(this.nav_wp); this.curC = options.curNavClass?options.curNavClass:'shutter-cur-nav'; this.pos(this.index); //变换函数 }, auto:function(){ this.li.a = setInterval(new Function(this.anchor+'.move(1)'),this.a*1000); }, move:function(i){//参数i有两种选择，1和-1,1代表运行到下一张，-1代表运行到上一张 var n = this.cur+i; var m = i==1?n==this.l?0:n:n<0?this.l-1:n; //下一张或上一张的序号（注意三元选择符的运用） this.pos(m); //变换到上一张或下一张 }, pos:function(i){ clearInterval(this.li.a); clearInterval(this.li[i].a); this.aw = this.dir == 'H'?this.H : this.W; var src = H$$('img',this.li[i])[0].src; var _n = i+1>=this.l?0:i+1; var src_n = H$$('img',this.li[_n])[0].src; this.container.style.backgroundImage = 'url('+src_n+')'; for(var n=0;n<this.stN;n++){ this.mask[n].style.cssText = this.dir == 'H'?'position:absolute;'+this.W/this.stN+'px;height:'+this.H+'px;left:'+n*this.W/this.stN+'px;top:0' : 'position:absolute;'+this.W+'px;height:'+this.H/this.stN+'px;left:0px;top:'+n*this.H/this.stN+'px'; this.mask[n].style.background = this.dir == 'H' ? 'url('+src+') no-repeat -'+n*this.W/this.stN+'px 0' : 'url('+src+') no-repeat 0 -'+n*this.H/this.stN+'px'; } this.cur = i; //绑定当前显示图片的正确序号 this.li.a = false; for(var x=0;x<this.l;x++){ H$$('a',this.nav_wp)[x].className = x==i?this.curC:'shutter-nav'; //绑定当前控制器样式 } this._a.href = H$$('a',this.li[i])[0].href; //this.auto(); //自动运行 this.li[i].a = setInterval(new Function(this.anchor+'.anim('+i+')'), 6*this.stN); }, anim: function (i) { var tt = this.dir == 'H' ? Math.abs(parseInt(this.mask[this.stN-1].style.top)) : Math.abs(parseInt(this.mask[this.stN-1].style.left)); if(this.aw-tt<=5){ clearInterval(this.li[i].a); for(var n=0;n<this.stN;n++){ var d = n%2 == 0 ? 1 : -1; this.dir == 'H' ? this.mask[n].style.top = this.aw*d + 'px' : this.mask[n].style.left = this.aw*d + 'px'; } if(!this.li.a) {this.auto()} }else { for(var n=0;n<this.stN;n++){ var d = n%2 == 0 ? 1 : -1; var ts = (this.aw-Math.ceil(Math.abs(this.aw-tt)*.75))*d; this.dir == 'H' ? this.mask[n].style.top = ts + 'px' : this.mask[n].style.left = ts +'px'; } } } } return {init:init} }(); // --></script> </head> <body> <div id="shutter" class="shutter" style="float:left" _mce_style="float: left;"> <ul> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_1.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_1.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_2.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_2.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_3.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_3.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_4.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_4.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_5.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_5.jpg" /></a></li> </ul> </div> <div id="shutter2" class="shutter" style="float:right" _mce_style="float: right;"> <ul> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_1.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_1.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_2.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_2.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_3.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_3.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_4.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_4.jpg" /></a></li> <li><a href="http://www.cnblogs.com/hongru/" _mce_href="http://www.cnblogs.com/hongru/" target="_blank"><img src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_5.jpg" _mce_src="http://images.cnblogs.com/cnblogs_com/hongru/264552/o_5.jpg" /></a></li> </ul> </div> <script type="text/javascript"><!-- var shutterH = new Hongru.shutter.init('shutterH',{ id:'shutter' }); var shutterV = new Hongru.shutter.init('shutterV',{ id:'shutter2', auto:2, shutterNum:4, shutterDir:'V', position:3 }); // --></script> </body> </html>