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JS 小demo之韩雪冬轮播图的图文实例

零下一度

Jun 26, 2017 am 10:27 AM

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 1 @charset "utf-8"; 2 /* CSS Document */ 3  4 * { padding: 0; margin: 0; } 5 li { list-style: none; } 6 img { border: none; } 7 body { background: #ececec; padding-top: 50px; } 8  9 #automatic { width: 970px; height: 344px; position: relative; margin: 0 auto; overflow: hidden; }10 11 .prev_div { width: 130px; height: 72px; position: absolute; top: 128px; left: 92px; z-index: 5; background: red; filter: alpha(opacity=0); opacity: 0; cursor: pointer; }12 .next_div { width: 130px; height: 72px; position: absolute; top: 128px; right: 92px; z-index: 5; background: red; filter: alpha(opacity=0); opacity: 0; cursor: pointer; }13 14 #automatic .prev { width: 120px; height: 72px; position: absolute; top: 108px; left: 72px; z-index: 4; }15 #automatic .prev .ico { width: 76px; height: 112px; position: absolute; top: 0; left: 0; background: url(images/prev.png); }16 #automatic .prev .ico1 { width: 76px; height: 112px; position: absolute; top: 0; left: 0; background: url(images/prev_1.png); z-index: 2; filter: alpha(opacity=0); opacity: 0; }17 #automatic .prev .txt { width: 106px; height: 112px; position: absolute; top: 0; left: 65px; background: url(images/prev_txt.png) no-repeat; filter: alpha(opacity=0); opacity: 0; }18 19 #automatic .next { width: 120px; height: 72px; position: absolute; top: 108px; right: 72px; z-index: 4; }20 #automatic .next .ico { width: 76px; height: 112px; position: absolute; top: 0; right: 0; background: url(images/next.png) no-repeat; }21 #automatic .next .ico1 { width: 76px; height: 112px; position: absolute; top: 0; right: 0px; background: url(images/next_1.png) no-repeat; z-index: 2; filter: alpha(opacity=0); opacity: 0; }22 #automatic .next .txt { width: 106px; height: 112px; position: absolute; top: 0; right: 65px; background: url(images/next_txt.png) no-repeat; filter: alpha(opacity=0); opacity: 0; }23 24 #automatic ul { width: 970px; height: 344px; position: absolute; top: 0; left: 0; z-index: 1; }25 #automatic li { position: absolute; }26 27 #automatic .line { border: 4px solid #fff; width: 672px; height: 336px; position: absolute; top: 0; left: 50%; margin-left: -340px; z-index: 3; }28 29 #automatic .pos_0 { top: -104px; left: 0; z-index: 1; filter: alpha(opacity=0); opacity: 0; }30 #automatic .pos_1 { top: 104px; left: 0; z-index: 2; filter: alpha(opacity=60); opacity: 0.6; }31 #automatic .pos_2 { top: 43px; left: 50px; z-index: 3; filter: alpha(opacity=80); opacity: 0.8; }32 #automatic .pos_3 { top: 0; left: 145px; z-index: 4; }33 #automatic .pos_4 { top: 43px; right: 50px; z-index: 3; filter: alpha(opacity=80); opacity: 0.8; }34 #automatic .pos_5 { top: 104px; right: 0; z-index: 2; filter: alpha(opacity=60); opacity: 0.6; }35 #automatic .pos_6 { top: -104px; right: 0; z-index: 1; filter: alpha(opacity=0); opacity: 0; }36 37 #footer { width: 970px; height: 30px; text-align: center; padding-top: 50px; margin: 0 auto; }38 #footer a { color: #930; font-family: arial; font-size: 15px; text-decoration: none; border-bottom: 1px dotted #930; }39 #footer a:hover { border-bottom: 1px solid #930; }

  1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  2 <html xmlns="http://www.w3.org/1999/xhtml">  3 <head>  4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  5 <title>韩雪冬网站效果 - 妙味课堂 - www.miaov.com</title>  6 <!--[if lte IE 6]>  7 <script src="js/DD_belatedPNG_0.0.8a.js?1.1.11" type="text/javascript"></script>  8     <script type="text/javascript">  9         DD_belatedPNG.fix('span'); 10     </script> 11 <![endif]--> 12 <link href="style.css?1.1.11" rel="stylesheet" type="text/css" /> 13 </head> 14  15 <body> 16  17 <div id="automatic"> 18  19     <div class="prev_div"></div> 20     <a class="prev" href="###"> 21         <span class="ico1"></span> 22         <span class="ico"></span> 23         <span class="txt"></span> 24     </a> 25      26     <div class="next_div"></div> 27     <a class="next" href="###"> 28         <span class="ico1"></span> 29         <span class="ico"></span> 30         <span class="txt"></span> 31     </a> 32  33     <div class="line"></div> 34  35     <ul class="picList"> 36         <li class="pos_0"><a href="http://www.miaov.com"><img src="images/8.jpg" width="100" alt="妙味课堂 www.miaov.com" longdesc="http://www.miaov.com" /></a></li> 37         <li class="pos_1"><a href="http://www.miaov.com"><img src="images/1.jpg" width="270" alt="妙味课堂 www.miaov.com" longdesc="http://www.miaov.com" /></a></li> 38         <li class="pos_2"><a href="http://www.miaov.com"><img src="images/2.jpg" width="510" alt="妙味课堂 www.miaov.com" longdesc="http://www.miaov.com" /></a></li> 39         <li class="pos_3"><a href="http://www.miaov.com"><img src="images/3.jpg" width="680" alt="妙味课堂 www.miaov.com" longdesc="http://www.miaov.com" /></a></li> 40         <li class="pos_4"><a href="http://www.miaov.com"><img src="images/4.jpg" width="510" alt="妙味课堂 www.miaov.com" longdesc="http://www.miaov.com" /></a></li> 41         <li class="pos_5"><a href="http://www.miaov.com"><img src="images/5.jpg" width="270" alt="妙味课堂 www.miaov.com" longdesc="http://www.miaov.com" /></a></li> 42         <li class="pos_6"><a href="http://www.miaov.com"><img src="images/6.jpg" width="270" alt="妙味课堂 www.miaov.com" longdesc="http://www.miaov.com" /></a></li> 43         <li class="pos_6"><a href="http://www.miaov.com"><img src="images/7.jpg" width="270" alt="妙味课堂 www.miaov.com" longdesc="http://www.miaov.com" /></a></li> 44     </ul> 45 </div> 46 <p id="footer"><a href="http://www.miaov.com">妙味课堂 - www.miaov.com</a></p> 47 </body> 48 </html> 49 <script type="text/javascript" src="../../startmove.js?1.1.11"></script> 50 <script type="text/javascript"> 51 /*初始宽度*/ 52 // 使用函数自执行写法，防止全局污染 53 (function(){ 54      var picList = document.querySelectorAll('.picList>li'); 55     for(var i = 0; i <picList.length;i++){ 56         // 为什么要加个[0]？ 57         var img = picList[i].getElementsByTagName("img")[0]; 58         css(picList[i],"width",img.width); 59         img.style.width = "100%"; 60     } 61 })(); 62 /* 左侧按钮的鼠标移入移出动画 */ 63 (function(){ 64     // 由于prev内部的元素层级都比它自身高，盖在它上面，所以如果在prev上加onmouseover或者onmouseout,实际上鼠标根本移动不到prev上，所以添加一个层级较高的prevBtn来防止干扰，nextBtn同理 65     var prevBtn = document.querySelector(&#39;.prev_div&#39;); 66     var prev = document.querySelector(&#39;.prev&#39;); 67     var prevSpan = prev.querySelectorAll(&#39;span&#39;); 68     prevBtn.onmouseover = function(){ 69          startMove({ 70             el: prevSpan[1], 71             target: { 72                 left: 12 73             }, 74             time: 300, 75             type: "easeBoth" 76         }); 77         startMove({ 78             el: prevSpan[0], 79             target: { 80                 opacity:1, 81                 left: 12 82             }, 83             time: 300, 84             type: "easeBoth" 85         }); 86         startMove({ 87             el: prevSpan[2], 88             target: { 89                 opacity:1, 90                 left: 53 91             }, 92             time: 300, 93             type: "easeBoth" 94         }); 95     }; 96     prevBtn.onmouseout = function(){ 97          startMove({ 98             el: prevSpan[1], 99             target: {100                 left: 0101             },102             time: 300,103             type: "easeBoth"104         });105         startMove({106             el: prevSpan[0],107             target: {108                 opacity:0,109                 left: 0110             },111             time: 300,112             type: "easeBoth"113         });114         startMove({115             el: prevSpan[2],116             target: {117                 opacity:0,118                 left: 65119             },120             time: 300,121             type: "easeBoth"122         });123     };124 })();125 /* 右侧按钮的鼠标移入移出动画 */126 (function(){127     var nextBtn = document.querySelector(&#39;.next_div&#39;);128     var next = document.querySelector(&#39;.next&#39;);129     var nextSpan = next.querySelectorAll(&#39;span&#39;);130     nextBtn.onmouseover = function(){131          startMove({132             el: nextSpan[1],133             target: {134                 right: 12135             },136             time: 300,137             type: "easeBoth"138         });139         startMove({140             el: nextSpan[0],141             target: {142                 opacity:1,143                 right: 12144             },145             time: 300,146             type: "easeBoth"147         });148         startMove({149             el: nextSpan[2],150             target: {151                 opacity:1,152                 right: 53153             },154             time: 300,155             type: "easeBoth"156         });157     };158     nextBtn.onmouseout = function(){159          startMove({160             el: nextSpan[1],161             target: {162                 right: 0163             },164             time: 300,165             type: "easeBoth"166         });167         startMove({168             el: nextSpan[0],169             target: {170                 opacity:0,171                 right: 0172             },173             time: 300,174             type: "easeBoth"175         });176         startMove({177             el: nextSpan[2],178             target: {179                 opacity:0,180                 right: 65181             },182             time: 300,183             type: "easeBoth"184         });185     };186 })();187 /*188     点击切换动画189 */190 (function(){191     var wrap = document.querySelector(&#39;#automatic&#39;);192     var prevBtn = document.querySelector(&#39;.prev_div&#39;);193     var nextBtn = document.querySelector(&#39;.next_div&#39;);194     var picList = document.querySelectorAll(&#39;.picList>li');195     var line = document.querySelector('.line');196     var attrs = [];197     var timer = 0;198     for(var i = 0; i <picList.length; i++){199         // 先给li在数组中对应的空间内添加一个对象，用于存储它的各项属性数据200         attrs[i] = {};201         attrs[i].width = css(picList[i],"width");202         attrs[i].left = css(picList[i],"left");203         attrs[i].top = css(picList[i],"top");204         attrs[i].opacity = css(picList[i],"opacity");205         attrs[i].zIndex = css(picList[i],"zIndex");206     }207     prevBtn.onclick = function(){208         attrs.push(attrs.shift());209         setStyle();210     };211     nextBtn.onclick = function(){212         attrs.unshift(attrs.pop());213         setStyle();214     };215     function setStyle(){216         css(line,"opacity",0);217         for(var i = 0; i <picList.length; i++){218             // css(picList[i],"left",attrs[i].left);219             // css(picList[i],"top",attrs[i].top);220             // css(picList[i],"opacity",attrs[i].opacity);221             // css(picList[i],"zIndex",attrs[i].zIndex);222             // 让图片提前显示出来再变化样式223             css(picList[i],"zIndex",attrs[i].zIndex);224             startMove({225                 el: picList[i],226                 target: attrs[i],227                 time: 500,228                 type: "easeOut",229                 callBack: function(){230                     startMove({231                         el:line,232                         target:{opacity:1},233                         time: 200,234                         type: "easeOut",235                         callBack:function(){236                             console.log(1);237                         }238                     });239                 }240             });241         }242     }243     timer = setInterval(function(){244         nextBtn.onclick();245     },3000);246     wrap.onmouseover = function(){247         clearInterval(timer);248     }249     wrap.onmouseout = function(){250         timer = setInterval(function(){251             nextBtn.onclick();252         },3000);253     }254 })();255 </script>

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