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  • 展示图片的自动和手动切换

    HTML代码:

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     2 <html xmlns="http://www.w3.org/1999/xhtml">
     3 <head>
     4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     5 <title>无标题文档</title>
     6 <style type="text/css">
     7 *{
     8     margin:0px;
     9     padding:0px;
    10     font-family:"微软雅黑";}
    11 
    12     
    13 #tuijian{
    14     width:940px;
    15     height:500px;
    16     background-repeat:no-repeat;
    17     margin:auto;
    18     }
    19 .pages{
    20     line-height:500px;
    21     background-color:#000;
    22     background-position:center;
    23     background-repeat:no-repeat;
    24     opacity:0.4;
    25     width:30px;
    26     height:60px;
    27     }
    28 #p1 {
    29     background-image:url(1.jpg);
    30     float:left;
    31     margin:180px 0px 0px 10px;}        /*上 右 下 左*/
    32 #p2{
    33     background-image:url(2.jpg);
    34     float:right;
    35     margin:180px 10px 0px 0px;}
    36     
    37 </style>
    38 </head>
    39 
    40 <body>
    41 
    42 <div id="tuijian" style="background-image:url(9.jpg)">
    43 <div class="pages" id="p1" onclick="dodo(-1)"></div>
    44 <div class="pages" id="p2" onclick="dodo(1)"></div>
    45 
    46 
    47 </div>
    48 
    49 </body>
    50 </html>
    51 <script type="text/javascript">
    52 var jpg=new Array();
    53 jpg[0]="url(9.jpg)";
    54 jpg[1]="url(11.jpg)";
    55 jpg[2]="url(20.jpg)";
    56 var tjimg=document.getElementById("tuijian");
    57 var xb=0;
    58 var n=0;
    59 function huan()
    60 {
    61     xb++;
    62     if(xb==jpg.length)
    63     {
    64         xb=0;        
    65     }
    66         
    67         tjimg.style.backgroundImage=jpg[xb];
    68         if(n==0)
    69         {
    70             window.setTimeout("huan()",2000);
    71         }
    72 }
    73 function dodo(m)
    74 {
    75       n=1;
    76       xb=xb+m;
    77       if(xb<0)
    78       {
    79           xb=jpg.length-1;
    80       }
    81           else if(xb>=jpg.length)
    82           {
    83               xb=0;
    84           }
    85     tjimg.style.backgroundImage=jpg[xb];
    86 }
    87 window.setTimeout("huan()",2000);
    88 </script>

    效果为:

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  • 原文地址:https://www.cnblogs.com/hanazawalove/p/5323981.html
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