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左右切换轮播写法

  1 <!DOCTYPE html>
  2 <html>
  3 <head>
  4     <meta charset="UTF-8">
  5     <title>slide</title>
  6     <style>
  7         * {margin:0;padding: 0;}
  8         .wrap {position: relative;width: 520px;overflow: hidden; margin:0 auto;}
  9         .container {position: relative;width: 3120px;overflow: hidden;left: 0;}
 10         .item {float: left;width: 520px;overflow: hidden;cursor: pointer;}
 11         .dot {position: absolute;right: 10px;bottom: 10px;overflow: hidden;}
 12         .dot .cur{background: black;}
 13         .dot span {display: block;float: left;width: 16px;height: 16px;margin-left:8px;border-radius: 8px;background: #fff;cursor: pointer;}
 14         .left, .right{position: absolute;top: 100px;cursor: pointer; display:none;}
 15         .left{left: 0; }
 16         .right{right: 0;}
 17 
 18     </style>
 19 </head>
 20 <body>
 21     <div class="wrap">
 22         <div class="container">
 23             <div class="item">
 24                 <img src="1.jpg" alt="">
 25             </div>
 26             <div class="item">
 27                 <img src="2.jpg" alt="">
 28             </div>
 29             <div class="item">
 30                 <img src="3.jpg" alt="">
 31             </div>
 32             <div class="item">
 33                 <img src="4.jpg" alt="">
 34             </div>
 35             <div class="item">
 36                 <img src="5.jpg" alt="">
 37             </div>
 38 
 39             <div class="item">
 40                 <img src="1.jpg" alt="">
 41             </div>
 42         </div>
 43         <div class="dot">
 44             <span class="cur"></span>
 45             <span></span>
 46             <span></span>
 47             <span></span>
 48             <span></span>
 49         </div>
 50         
 51         <div class="left"><img src="left.png" alt=""></div>
 52         <div class="right"><img src="right.png" alt=""></div>
 53         
 54     </div>
 55     <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
 56     <script>
 57         jQuery(document).ready(function($) {
 58             var count = 0,
 59                 timer;
 60 
 61             var bindTimer = function(){
 62                 timer = setInterval(function(){
 63                     count ++;
 64                     $('.dot span').eq(count%5).addClass('cur').siblings().removeClass('cur');
 65                     // 图片轮播动画
 66                     $('.container').animate({
 67                         left: '-'+(count*520)+'px',},
 68                         200, function() {
 69                         if (count === 5) {
 70                             $('.container').css('left', '0');
 71                             count = 0;
 72                         }
 73                     });
 74         
 75                 },2000);
 76                 $(".dot span").click(function(event) {
 77 
 78                 $(this).addClass('cur').siblings('').removeClass('cur')
 79                 });
 80             };
 81 
 82             bindTimer();
 83 
 84             $('.dot').on('click', 'span', function(event) {
 85                 clearInterval(timer);
 86                 var index = $(this).index('.dot span');
 87                 count = index;
 88                 $('.container').animate({
 89                     left: '-'+(count*520)+'px',},
 90                     200, function() {
 91                     bindTimer();
 92                 });
 93 
 94                 
 95             });
 96                 
 97 
 98             $('.item').mouseover(function(event) {
 99                 clearInterval(timer);
100             }).mouseout(function(event) {
101                 bindTimer();
102             });
103 
104             
105 
106             
107             
108             //划入显示左右箭头
109             $(".wrap").mouseover(function(event) {
110                 $(".left").show()
111             }).mouseout(function(event) {
112                 $(".left").hide()
113             });
114 
115             $(".wrap").mouseover(function(event) {
116             $(".right").show()
117             }).mouseout(function(event) {
118                 $(".right").hide()
119             });
120 
121 
122             //左右按钮轮播
123             var $index=0;
124             
125             $(".right").click(function(){
126             clearInterval(timer);
127             $index++;
128             if($index>4){
129               $index=0
130             }
131             $(".dot span").eq($index).addClass("cur").siblings().
132                 removeClass("cur");
133             $('.container').stop().animate({
134                         left: '-'+($index*520)+'px'},
135                         200);
136 
137            
138           });
139 
140             $(".left").click(function(){
141             clearInterval(timer);
142             $index--;
143             if($index<0){
144               $index=4
145             }
146             $(".dot span").eq($index).addClass("cur").siblings().
147                 removeClass("cur");
148                 $('.container').stop().animate({
149                         left: '-'+($index*520)+'px'},
150                         200);
151 
152           });
153 
154 
155 
156 
157 
158 
159 
160 
161         });
162     </script>
163 </body>
164 </html>

 

posted on 2016-07-29 10:48  大头盆盆  阅读(127)  评论(0编辑  收藏  举报