jquery实现的一个导航滚动效果具体代码

  在做校园网视频网站的时候,首页有一个导航页面要实现滚动效果,有样例,但代码是在难弄懂,貌似网页设计这块还是只有自己的代码自己懂,索性就仿造别人的效果自己做了一个,大体上还行,看起来还是比较流畅的,不次于原作的幺。

  现在先把代码拷贝到这里,以后再逐一简化修改:

  实现滚动效果,脚本代码如下:

  

复制代码 代码如下:

  var all=0;

  var no=0;

  var s_width=0;

  $(document).ready(function(){

  all=$('.slide').length;

  s_width=$('.slide').eq(0).width();

  $("#slides").css('width',all*s_width);

  var contiar=$('.control_links');

  for(var i=0;i<all;i++){

  contiar.append("<li></li>");

  }

  $('.control_links li').bind('click mouseenter',function(){

  var index=$(this).index();

  no=index;

  var no_= no%all;

  $("#slides").animate({left:(-1*no_*s_width)+'px'},200);

  $(this).css('background-color','#fff');

  $(this).siblings().css('background-color','#333');

  });

  setInterval(function(){

  var no_= no%all;

  $("#slides").animate({left:(-1*no_*s_width)+'px'},1000);

  var curr= $('.control_links li').eq(no_);

  curr.css('background-color','#fff')

  curr.siblings().css('background-color','#333');

  no++;

  },5000);

  });

  css 代码如下:

  

复制代码 代码如下:

  img{

  border:none;

  }

  #daohangpic {

  width:1000px;

  margin:0 auto;

  padding:20px;

  overflow:hidden;

  }

  #daohangpic img {

  height:380px;

  width:980px;

  }

  #contiar {

  position:relative;

  width:980px;

  height:380px;

  overflow:hidden;

  margin:0 auto;

  }

  #slides {

  position:absolute;

  border:none;

  }

  .slide {

  float:left;

  width:980px;

  height:380px;

  overflow:hidden;

  border:none;

  }

  .control_links{

  position:absolute;

  bottom:10px;

  right:10px;

  z-index:200;

  }

  .control_links,.control_links li {

  list-style: none;

  }

  .control_links li {

  float:left;

  width: 15px;

  height: 15px;

  margin-right: 5px;

  text-align: center;

  background:#333;

  border: 1px solid #666;

  cursor: pointer;

  opacity:0.5;

  }

  .caption {

  position:absolute;

  height:50px;

  width:100%;

  background-color:#000;

  bottom:0px;

  padding-left:20px;

  padding-top:10px;

  overflow:hidden;

  z-index:100;

  background:url(hdpng.png) no-repeat scroll 0 -1px;

  }

  .caption h2 {

  color: #FFF;

  font-size: 17px;

  font-weight: bold;

  line-height:25px;

  }

  .caption p{

  display: block;

  color: #767676;

  font-size:12px;

  line-height:15px;

  }

  要实现滚动的区域定义如下:

  

复制代码 代码如下:

  <div id="daohangpic">

  <div id="contiar">

  <div id="slides">

  <div class="slide"> <a href="http://2.zutvideo.duapp.com/Detail.action?v=687474703A2F2F6D392E6E65746B75752E636F6D2F662F7A792F35356A696567656C61696D656962616E6A69616E676469616E6C692F312E6D6B76" title="格莱美获奖名单揭晓,众大腕颁奖礼现场飙歌" target="_blank"><img src="22080.jpg" alt="Slide 1"> </a>

  <div class="caption" >

  <h2>格莱美获奖名单揭</h2>

  <p>格莱美获奖名单揭晓,众大腕颁奖礼现场飙歌</p>

  </div>

  </div>

  <div class="slide" > <a href="http://2.zutvideo.duapp.com/Detail.action?v=687474703A2F2F6D392E6E65746B75752E636F6D2F662F7A792F6265696A696E67776569736869323031336368756E77616E2F312E6D6B76" title="海内外人气明星齐聚,鸟叔林志玲大跳骑马舞" target="_blank"><img src="22076.jpg" alt="Slide 1"></a>

  <div class="caption" >

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  <p>格莱美获奖名单揭晓,众大腕颁奖礼现场飙歌</p>

  </div>

  </div>

  <div class="slide" > <a href="http://2.zutvideo.duapp.com/Detail.action?v=687474703A2F2F6D392E6E65746B75752E636F6D2F662F6C786A2F78696E7869616F616F6A69616E6768752F2A2A2E6D6B76" title="令狐冲、东方不败、任盈盈三段虐恋催人泪下" target="_blank"><img src="22073.jpg" alt="Slide 1"></a>

  <div class="caption" >

  <h2>格莱美获奖名单揭</h2>

  <p>格莱美获奖名单揭晓,众大腕颁奖礼现场飙歌</p>

  下 </div>

  </div>

  <div class="slide" > <a href="http://2.zutvideo.duapp.com/Detail.action?v=687474703A2F2F6D382E6E65746B75752E636F6D2F672F6C786A2F736F757368656E6A692F2A2A2E6D6B76" title="陈键锋恋上剩女陈紫函,人仙之恋如何收场?" target="_blank"><img src="22050.jpg" alt="Slide 1"></a>

  <div class="caption" >

  <h2>格莱美获奖名单揭</h2>

  <p>格莱美获奖名单揭晓,众大腕颁奖礼现场飙歌</p>

  场? </div>

  </div>

  <div class="slide" > <a href="http://2.zutvideo.duapp.com/Detail.action?v=687474703A2F2F6D382E6E65746B75752E636F6D2F662F64792F7368616F6E69616E706169646571696875616E7069616F6C69752F312E6D6B76" title="感悟生命之美,沐浴信仰之光" target="_blank"><img src="22014.jpg" alt="Slide 1"></a>

  <div class="caption" >

  <h2>格莱美获奖名单揭</h2>

  <p>格莱美获奖名单揭晓,众大腕颁奖礼现场飙歌</p>

  </div>

  </div>

  </div>

  <ul class="control_links">

  </ul>

  </div>

  <div id="back_img"> </div>

  </div>