js实现同一页面可多次调用的图片幻灯切换效果

前端技术 2023/09/05 JavaScript

本文实例讲述了js实现同一页面可多次调用的图片幻灯切换效果。分享给大家供大家参考。具体实现方法如下：

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>
<title>js同一页面可多次调用的图片幻灯切换效果</title>
<meta http-equiv=\"content-type\" content=\"text/html;charset=gb2312\">
<!--把下面代码加到<head>与</head>之间-->
<script language=\"javascript\">
//声明命名空间
var $o = new Object();
//基础方法
$o.base = {
 e:function(a,f){
  for(var i=0,j=a.length;i<j;i++){f.call(a[i],i);}
 }
}
$o. slide = function (id,arg){
 var arg = arg||{},
  t = document.getElementById(id),
  a = t.getElementsByTagName(\"a\"),
  lis = [],
  cl = arg.color||\'#f30\',
  ctm = arg.time*1000||2000,
  w = t.clientWidth,
  h = t.clientHeight,
  b = [\'<ul style=\"margin:0; padding:0; list-style:none; display:block; position:absolute; bottom:10px; right:10px;\">\'],
  index = 0,
  $ = null,
  $ = null;
  function change(i){
   if(!!$){clearTimeout($);}
   index = !isNaN(i)?i:index+1;
   if(index >= a.length){index = 0;}
   $o.base.e(lis,function(k){if(k == index){c(1,this);}else{c(0,this)}});
   var to = - index*h;
   if(a[0].offsetTop == to){
    return;
   }else{
    if(!!$){clearInterval($);}
    $ = setInterval(function(){
     var ot = a[0].offsetTop;
     v = Math[to<ot?\'floor\':\'ceil\']((to - ot)*0.2);
     if(ot == to){clearInterval($);$=null;st();}
     ot += v;
     a[0].style.marginTop = ot + \"px\";
    },30)
   };
  }
  function c(b,o){
   o.style.backgroundColor = !!b?cl:\"#fff\";
   o.style.color = !!b?\"#fff\":cl;
  }
  function st(){
   if(!!$)clearTimeout($);
   $ = setTimeout(function(){change()},ctm);
  }
  with(t.style){overflow = \'hidden\';position = \'relative\';}
  $o.base.e(a,function(n){
   this.style.display = \"block\";
   with(this.firstChild.style){borderWidth = \'0\';width = w + \'px\';height = h + \'px\';}
   b.push(\'<li style=\"width:20px; height:20px; line-height:20px; display:block; float:left; margin-left:5px; border:1px solid \' + cl + \'; background-color:#fff; color:\' + cl +\'; font-size:14px; text-align:center; cursor:pointer;\">\' + (n+1) + \'</li>\');
  });
  b.push(\'</ul>\');
  t.innerHTML += b.join(\"\");
  lis = t.getElementsByTagName(\"li\");
  $o.base.e(lis,function(n){
   if(n == index){c(1,this)}
   this.onmouseover = function(){
    if(n!=index)change(n);
   }
  });
  st();
}
</script>
</head>
<body>
<!--把下面代码加到<body>与</body>之间-->
<div id=\"aa\" style=\"width:402px;height:228px;\">
 <a href=\"javascript:alert(\'1\')\"><img src=\"/images/1.jpg\"></a>
 <a href=\"javascript:alert(\'2\')\"><img src=\"/images/2.jpg\"></a>
 <a href=\"javascript:alert(\'3\')\"><img src=\"/images/3.jpg\"></a>
 <a href=\"javascript:alert(\'4\')\"><img src=\"/images/4.jpg\"></a>
 <a href=\"javascript:alert(\'5\')\"><img src=\"/images/5.jpg\"></a>
 <a href=\"javascript:alert(\'6\')\"><img src=\"/images/6.jpg\"></a>
 <a href=\"javascript:alert(\'7\')\"><img src=\"/images/7.jpg\"></a>
 <a href=\"javascript:alert(\'8\')\"><img src=\"/images/8.jpg\"></a>
 <a href=\"javascript:alert(\'9\')\"><img src=\"/images/9.jpg\"></a>
</div>
<script language=\"javascript\">
new $o.slide(\"aa\");
</script>
<br>
<div id=\"bb\" style=\"width:402px;height:228px;\">
 <a href=\"###\"><img src=\"/images/1.jpg\"></a>
 <a href=\"###\"><img src=\"/images/2.jpg\"></a>
 <a href=\"###\"><img src=\"/images/3.jpg\"></a>
 <a href=\"###\"><img src=\"/images/4.jpg\"></a>
 <a href=\"###\"><img src=\"/images/5.jpg\"></a>
</div>
<script language=\"javascript\">
new $o.slide(\"bb\",{color:\'#000\',time:0.2});
</script>
<br>
<div id=\"cc\" style=\"width:402px;height:228px;\">
 <a href=\"###\"><img src=\"/images/1.jpg\"></a>
 <a href=\"###\"><img src=\"/images/2.jpg\"></a>
 <a href=\"###\"><img src=\"/images/3.jpg\"></a>
 <a href=\"###\"><img src=\"/images/4.jpg\"></a>
 <a href=\"###\"><img src=\"/images/5.jpg\"></a>
</div>
<script language=\"javascript\">
new $o.slide(\"cc\",{color:\'green\'});
</script>
</body>
</html>

希望本文所述对大家的javascript程序设计有所帮助。

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