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多种JQuery循环滚动文字图片效果代码_jquery

WBOY
WBOYOriginal
2016-05-16 15:16:381482browse

自己模仿JQ插件的写法写了一个循环滚动列表插件,支持自定义上、下、左、右四个方向,支持平滑滚动或者间断滚动两种方式,都是通过参数设置。JQ里面有些重复的地方,暂时没想到更好的方法去精简。不过效果还是可以的,如下(效果图上传后都加速了,实际效果比这个要慢很多):

 html代码如下:

<!doctype html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<title>循环滚动列表</title>
<link href="css/style.css" rel="stylesheet"/>
<script src="js/jquery-1.9.1.min.js"></script>
<script src="js/autoScroll.js"></script>
<script>
 $(function(){
 //下面是调用语句,以ID名区分

 $("#autoScroll01").autoScroll({
  direction: 'left',    //滚动方向,'up'、'down'、'left'、'right',*必须参数
  interval: 40,      //滚动间隔,单位'ms',一定要大于'滚动速度',*必须参数
  speed: 10,      //滚动完成耗时,单位'ms',一定要小于'滚动间隔',*必须参数
  distance: 3,      //单次滚动距离,单位'px',*必须参数  
  liWidth: 144,      //单个li的盒模型高度&宽度(包括margin值。左右滚动只有liWidth参数,上下滚动只有liHeight参数),*必须参数
  showNum: 6      //显示几个li,父级高会自适应,但不要超过最大个数,*必须参数 
 });

 $("#autoScroll02").autoScroll({
  direction: 'up',     
  interval: 50,      //interval、speed、distance都很小时,就形成了平滑滚动现象。
  speed: 10,      
  distance: 1,      
  liHeight: 30,          
  showNum: 4      
 });

 $("#autoScroll03").autoScroll({
  direction: 'down',    //向下滚动
  interval: 2000,     //2秒滚动一次
  speed: 600,      //滚动耗时0.6秒(所以必须2秒内滚完,以免没滚完就执行下一次滚动了)
  distance: 40,     //一次滚动40px
  liHeight: 40,     //单个的li的盒模型高度是40px(上下滚动li没有margin跟padding值)
  showNum: 3      //容器里显示3个li标签
 });

 $("#autoScroll04").autoScroll({
  direction: 'right',
  interval: 2500,     //interval、speed、distance都很大时,就形成了间歇性滚动现象。
  speed: 800,
  distance: 288,     
  liWidth: 144,     //左右滚动时,liWidth要算上margin值,注意盒模型
  showNum: 5     
 });

 });
</script>
</head>
<body>
<!-- wrap和boxs box0*这个div非必需,用于布局而已 --> 
<div class="wrap">
 <!-- 布局必须结构为:外层容器id,里面是 ul 跟 li -->
 <div class="boxs box01">
 <div class="autoBox" id="autoScroll01">
  <ul class="clearfix">
  <li><a href="#"><img src="images/img01.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img02.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img03.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img04.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img05.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img06.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img07.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img08.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img09.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img10.jpg" alt=""></a></li>
  </ul>
 </div>
 </div>
 <!--第二个案例 保持结构不变,id不同就可以复用多个-->
 <div class="boxs box02">
 <div class="autoBox" id="autoScroll02">
  <ul>
  <li><a href="#">1. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">2. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">3. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">4. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">5. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">6. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">7. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">8. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  </ul>
 </div>
 </div>
 <div class="boxs box03">
 <div class="autoBox" id="autoScroll03">
  <ul>
  <li><a href="#">1. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">2. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">3. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">4. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">5. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">6. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">7. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  <li><a href="#">8. 何日功成名遂了,还乡,醉笑陪公三万场。不用诉离觞,痛饮从来别有肠。</a></li>
  </ul>
 </div>
 </div>
 <div class="clear"></div>
 <div class="boxs box04">
 <div class="autoBox" id="autoScroll04">
  <ul class="clearfix">
  <li><a href="#"><img src="images/img01.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img02.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img03.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img04.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img05.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img06.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img07.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img08.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img09.jpg" alt=""></a></li>
  <li><a href="#"><img src="images/img10.jpg" alt=""></a></li>
  </ul>
 </div>
 </div>
</div>
</body>
</html>

css样式如下:

@charset "utf-8";
/* 简单reset */
body, ul, li {
 margin: 0;
 padding: 0;
}
body {
 font: 14px/24px Microsoft YaHei;
 color: #333;
}
ul { list-style: none; }
a {
 color: #333;
 outline: none;
 text-decoration: none;
}
a:hover { color: #2986dd; }
img { border: none; }
.clearfix:after {
 visibility: hidden;
 display: block;
 font-size: 0;
 content: " ";
 clear: both;
 height: 0;
}
.clear {
 display: block;
 clear: both;
 height: 0;
 font-size: 0;
 line-height: 0;
 content: ".";
 overflow: hidden;
}
.wrap {
 width: 900px;
 padding-top: 30px;
 margin: 0 auto;
}
.boxs {
 padding: 15px;
 margin: 0 auto 30px;
 background-color: #e4fbff;
}
.box01 { width: 870px; }
.box02 {
 float: left;
 width: 400px;
}
.box03 {
 float: right;
 width: 400px;
}
.box04 { width: 720px; }
/* 具体样式 ---------- */
/* 通用必需样式 */ /* PS:有些重要样式在js里先写好了,下面id容器、ul和li标签的样式比较重要 */ 
.autoBox {
 position: relative;
 margin: 0 auto;
 overflow: hidden;
}
.autoBox ul {
 position: absolute;
 list-style: none;
 z-index: 2;
}
/* 第一、四个列表 */ /* PS:左右滚动型列表需要css定义高度,li标签可以有margin值 */
#autoScroll01, #autoScroll04 {
 width: auto;
 height: 174px;
}
#autoScroll01 ul li, #autoScroll04 ul li {
 float: left;
 width: 128px;
 height: 168px;
 padding: 3px;
 margin: 0 5px;
 _display: inline;
}
#autoScroll01 li a, #autoScroll04 li a {
 display: block;
 padding: 3px;
 border: 1px solid #dbdbdb;
 box-shadow: 0 0 3px rgba(170, 223, 252, 0.5);
}
#autoScroll01 li a:hover, #autoScroll04 li a:hover {
 border-color: #71ddff;
 box-shadow: 0 0 3px rgba(77, 185, 245, .90);
}
#autoScroll01 li img, #autoScroll04 li img {
 display: block;
 width: 120px;
 height: 160px;
}
/* 第二、三个列表 */ /* PS:上下滚动型列表需要css定义宽度,li标签尽量不要设置margin值 */
#autoScroll02, #autoScroll03 {
 width: 100%;
 height: auto;
}
#autoScroll02 ul li {
 height: 30px;
 line-height: 30px;
 overflow: hidden;
}
#autoScroll03 ul li {
 height: 40px;
 line-height: 40px;
 overflow: hidden;
}
#autoScroll02 li a, #autoScroll03 li a {
 display: block;
 width: 100%;
 height: 24px;
 line-height: 24px;
 margin: 3px 0;
 text-overflow: ellipsis;
 white-space: nowrap;
 overflow: hidden;
}
#autoScroll03 li a { margin: 8px 0; }

js代码如下:

/** 
 * Name : 循环滚动列表 
 **/
 (function(jQuery){
  $.fn.autoScroll = function (o) {
  o = $.extend({         //设置默认参数 
   direction: 'left',
   interval: null,
   speed: null,
   distance: null,        
   liWidth: null,
   liHeight: null,         
   showNum: null
  },o || {});
  return this.each(function(){     //回调开始
   var $ts = $(this),
    $ul = $ts.children("ul"),
    $li = $ul.children("li"),
    len = $li.length;
   if (o.direction == 'up' || o.direction == 'down' ){   //根据类型设置css
    $ts.css({ "width": "100%", "height": o.showNum * o.liHeight });
    $ul.css({ "width": "100%", "height": len * o.liHeight });
    $li.css({ "float": "none", "width": "100%", "height": o.liHeight, "margin": 0,"padding": 0 });
   };   
   if (o.direction == 'left' || o.direction == 'right' ){  //其实也可以在css里写好
    $ts.css({ "width": o.showNum * o.liWidth });
    $ul.css({ "width": len * o.liWidth });
    $li.css({ "float": "left" });
   };
   switch (o.direction){          //分四种情况,进行事件调用
    case 'left': sroLeft();
    break;
    case 'right':sroRight();
    break;
    case 'up':  sroUp();
    break;
    case 'down': sroDown();
    break; 
   };
   function sroLeft(){           //向左滚动事件
    $ul.css("left", 0); 
    var left;
    function leftMoving(){
     var dis = -o.distance,
      dif = -o.liWidth * (len - o.showNum);
      left = parseFloat($ul.css("left"));
     if (left <= dif){
      $ul.css("left",0);
      left = 0;
      $ul.delay(o.interval);
     };
     var ltDis = left + dis;
     if(ltDis <= dif){
      ltDis = dif;
     };
     $ul.animate({"left":ltDis+"px"}, o.speed);
    };
    $ul.hover(            //鼠标移上、移下的阻止与恢复滚动
     function(){
      clearInterval(fnLeft);
     },
     function(){
      fnLeft = setInterval(function(){leftMoving()}, o.interval);
     }
    );
    fnLeft = setInterval(function(){leftMoving()}, o.interval);
   };
   function sroRight(){          //向右滚动事件
    $ul.css("right", 0); 
    var right;
    function rightMoving(){
     var dis = -o.distance,
      dif = -o.liWidth * (len - o.showNum);
      right = parseFloat($ul.css("right"));
     if (right <= dif){
      $ul.css("right",0);
      right = 0;
      $ul.delay(o.interval);
     };
     var rtDis = right + dis;
     if(rtDis <= dif){
      rtDis = dif;
     };
     $ul.animate({"right":rtDis+"px"}, o.speed);
    };
    $ul.hover(
     function(){
      clearInterval(fnRight);
     },
     function(){
      fnRight = setInterval(function(){rightMoving()}, o.interval);
     }
    );
    fnRight = setInterval(function(){rightMoving()}, o.interval);
   };
   function sroUp(){           //向上滚动事件
    $ul.css("top", 0);
    var top;
    function upMoving(){
     var dis = -o.distance,
      dif = -o.liHeight * (len - o.showNum);
      top = parseFloat($ul.css("top"));
     if (top <= dif){
      $ul.css("top",0);
      top = 0;
      $ul.delay(o.interval);
     };
     var tpDis = top + dis;
     if(tpDis <= dif){
      tpDis = dif;
     };
     $ul.animate({"top":tpDis+"px"}, o.speed);
    };
    $ul.hover(
     function(){
      clearInterval(fnUp);
     },
     function(){
      fnUp = setInterval(function(){upMoving()}, o.interval);
     }
    );
    fnUp = setInterval(function(){upMoving()}, o.interval);
   };
   function sroDown(){           //向下滚动事件
    $ul.css("bottom",0);
    var bottom;
    function downMoving(){
     var dis = -o.distance,
      dif = -o.liHeight * (len - o.showNum);
      bottom = parseFloat($ul.css("bottom"));
     if (bottom <= dif){
      $ul.css("bottom",0);
      bottom = 0;
      $ul.delay(o.interval);
     };
     var bmDis = bottom + dis;
     if(bmDis <= dif){
      bmDis = dif;
     };
     $ul.animate({"bottom":bmDis+"px"}, o.speed);
    };
    $ul.hover(
     function(){
      clearInterval(fnDown);
     },
     function(){
      fnDown = setInterval(function(){downMoving()}, o.interval);
     }
    );
    fnDown = setInterval(function(){downMoving()}, o.interval);
   };
  });
 };
})(jQuery);


兼容到IE6+,jq库用1.7+的都没问题 。

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