javascript五图轮播切换实用版

复制代码 代码如下:

  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

  <html xmlns="http://www.w3.org/1999/xhtml">

  <head>

  <meta http-equiv="Content-Type" content="text/html; charset=gbk">

  <title>测试</title>

  <meta name="author" content="ximan">

  <meta name="keywords" content="">

  <meta name="description" content="">

  <link type="text/css" rel="stylesheet" href="index.css">

  </head>

  <body>

  <div class="content">

  <ul id="num">

  <li style="background: #f00;">

  </li>

  <li>

  </li>

  <li>

  </li>

  <li>

  </li>

  <li>

  </li>

  </ul>

  <ul id="img_box">

  <li>

  <a href="#">

  <img src="pailabi_shop1.jpg" alt="哈哈哈" />

  </a>

  </li>

  <li>

  <a href="#">

  <img src="pailabi_shop2.jpg" alt="哈哈哈" />

  </a>

  </li>

  <li>

  <a href="#">

  <img src="paila_shop3.jpg" alt="哈哈哈" />

  </a>

  </li>

  <li>

  <a href="#">

  <img src="paila_shop4.jpg" alt="哈哈哈" />

  </a>

  </li>

  <li>

  <a href="#">

  <img src="paila_shop5.jpg" alt="哈哈哈" />

  </a>

  </li>

  </ul>

  </div>

  <script type="text/javascript">

  </script>

  <script type="text/javascript">

  window.onload=function (){

  var num = document.getElementById("num");

  var num_li = document.getElementById("num").getElementsByTagName("li");

  var img_box = document.getElementById("img_box");

  var img_box_li = document.getElementById("img_box").getElementsByTagName("li");

  var bliw = img_box_li[0].offsetWidth;

  var n = 0;

  img_box.style.left = 0

  var autoscroll = setInterval(auto,3000);

  for (var i = 0;i < num_li.length;i++){

  num_li[i].onmouseover = function(){

  clearInterval(autoscroll);

  for (var i = 0;i < num_li.length;i++){

  num_li[i].style.background = "";

  if(num_li[i]==this){

  this.style.background = "#f00";

  slide(i);

  }

  }

  }

  num_li[i].onmouseout = function(){

  for (var i = 0;i < num_li.length;i++){

  if(num_li[i]==this){

  n = i;

  autoscroll = setInterval(auto,3000)

  }

  }

  }

  }

  function slide(i){

  img_box.style.left = -bliw*i + "px";

  }

  function auto(){

  n++;

  if(n == img_box_li.length){

  n =0;

  }

  for (var i =0;i < num_li.length;i++){

  num_li[i].style.background = "";

  }

  num_li[n].style.background = "#f00";

  slide(n);

  }

  }

  </script>

  </body>

  </html>