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jquery實現自適應banner焦點圖

發布時間：2020-08-20 23:32:49 來源：腳本之家 閱讀：202 作者：jenn89 欄目：web開發

效果如下：

jquery實現自適應banner焦點圖

代碼如下：

<!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=utf-8" />
<title>jq自適應banner焦點圖</title>
 <script src="http://ajax.aspnetcdn.com/ajax/jquery/jquery-1.11.3.min.js"></script>
 <style>
  @charset "UTF-8";
  /*通用css*/
  body, ul, dl, dd, dt, ol, li, p, h2, h3, h4, h5, h6, h7, textarea, form, select, fieldset, table, td, div, input {
   margin: 0;
   padding: 0;
   -webkit-text-size-adjust: none;
  }
  h2, h3, h4, h5, h6, h7 {
   font-size: 12px;
   font-weight: normal;
  }
  body > div {
   margin: 0 auto;
  }
  div {
   text-align: left;
  }
  a img {
   border: 0;
  }
  body {
   color: #333;
   text-align: center;
   font: 12px "宋體";
  }
  ul, ol, li {
   list-style-type: none;
   vertical-align: 0;
  }
  a {
   outline-style: none;
   color: #535353;
   text-decoration: none;
  }
   a:hover {
    color: #D40000;
    text-decoration: none;
   }
  /*通用CSS結束，應用特效時，以上樣式可刪除*/
  /* 效果CSS開始 */
  .lit {
   position: absolute;
   z-index: 999;
   margin-top: 10px;
  }
   .lit p {
    margin-bottom: 2px;
   }
   .lit a:hover {
    filter: alpha(opacity=80);
    opacity: 0.8;
   }
  .wrapper {
   width: 986px;
   margin: 0 auto;
   position: relative;
   height: 390px;
  }
  #banner {
   width: 100%;
   height: 390px;
   background: none;
   overflow: hidden;
   position: relative;
  }
  #banner_img {
   display: block;
   position: relative;
  }
   #banner_img li {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background-position: center;
    background-size: cover;
    display: none;
   }
    /*設置背景圖片-------開始*/
    /*#banner_img li.item1 {
     background-image: url(http://smzdqiang.com/data/attachment/forum/201609/20/161359xzxwkl82k22d08r3.jpg);
     display: block;
    }
    #banner_img li.item2 {
     background-image: url(http://smzdqiang.com/data/attachment/forum/201609/20/161359viql2criqg5aw776.jpg);
    }
    #banner_img li.item3 {
     background-image: url(http://smzdqiang.com/data/attachment/forum/201609/20/161359eczultzb2c88mquq.jpg);
    }
    #banner_img li.item4 {
     background-image: url(http://smzdqiang.com/data/attachment/forum/201609/20/161400d3idxa6dfao84x1l.jpg);
    }
    #banner_img li.item6 {
     background-image: url(http://smzdqiang.com/data/attachment/forum/201609/20/161400eifr1ozgkikk99k1.jpg);
    }*/
   /*設置背景圖片--------結束*/
   #banner_img .ad_img {
    position: absolute;
    right: 10px;
    top: 80px;
    width: 506px;
    height: 404px;
   }
   #banner_img .ad_txt {
    position: absolute;
    left: 10px;
    top: 170px;
    color: #fff;
    text-shadow: 1px 1px rgba(51, 51, 51, 0.3);
   }
    #banner_img .ad_txt h3 {
     font: bold 36px/60px Microsoft YaHei;
    }
    #banner_img .ad_txt a {
     display: block;
     width: 100px;
     height: 25px;
     line-height: 25px;
     text-align: center;
     margin-top: 10px;
     background: #fff;
     color: #666;
    }
  #banner_ctr {
   position: absolute;
   width: 960px;
   height: 122px;
   margin-left: -90px;
   left: 35%;
   bottom: -75px;
   z-index: 1;
  }
   #banner_ctr ul {
    width: 100%;
   }
   #banner_ctr li {
    float: left;
    display: inline-block;
    height: 27px;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
   }
  .styclsa {
   line-height: 27px;
   background: url(http://smzdqiang.com/data/attachment/forum/201609/20/161609g5xjijj1x5lgiq4j.png) no-repeat;
   height: 27px;
   color: #ffffff;
   font-size: 12.48px;
   padding: 0px 0px 0 0px;
   width: 119px;
   margin: 0 auto;
   overflow: hidden;
   font-family: "宋體";
   zoom: 1;
  }

  .astysa {
   color: #ffffff;
   font-size: 12.48px;
   text-align: center;
  }

  #drag_ctr {
   position: absolute;
   top: -5px;
   cursor: pointer;
   left: 0px;
   width: 119px;
   height: 32px;
   bottom: 120px;
   background: url(http://smzdqiang.com/data/attachment/forum/201609/20/161611aooapbzu0da7oand.png) no-repeat;
   padding: 0px 0px 0 0px;
   margin: 0 auto;
   overflow: hidden;
   color: #fff;
   filter: alpha(opacity=50);
   color: #ffffff;
  }
  /* 效果CSS結束 */
 </style>
 <script>
  $(function () {
   var curIndex = 0;
   var time = 800;
   var slideTime = 6000;
   var adTxt = $("#banner_img>li>div>.ad_txt");
   var adImg = $("#banner_img>li>div>.ad_img");
   var int = setInterval("autoSlide()", slideTime);
   $("#banner_ctr>ul>li[class!='first-item'][class!='last-item']").mouseover(function () {
    var ct = $(this).index("#banner_ctr>ul>li[class!='first-item'][class!='last-item']");
    if (ct == 1 || ct == 0) {
     ct = 0;
    }
    if (ct == 2 || ct == 3) {
     ct = 1;
    }
    if (ct == 5 || ct == 4) {
     ct = 2;
    }
    if (ct == 6 || ct == 7) {
     ct = 3;
    }
    if (ct == 8 || ct == 9) {
     ct = 4;
    }
    if (ct < 0) {
     ct = 0;
    }
    show(ct);
    window.clearInterval(int);
    int = setInterval("autoSlide(1)", slideTime);
   });
   function autoSlide(ct) {
    curIndex + 1 >= 5 ? curIndex = -1 : 0;
    show(curIndex + 1);
   }
   function show(index) {
    $.easing.def = "easeOutQuad";
    $("#drag_ctr").stop(false, true).animate({ left: index * 120 + 0 }, time);
    $("#banner_img>li").eq(curIndex).stop(false, true).fadeOut(time);
    adTxt.eq(curIndex).stop(false, true).animate({ top: "340px" }, time);
    adImg.eq(curIndex).stop(false, true).animate({ right: "700px" }, time);
    setTimeout(function () {
     $("#banner_img>li").eq(index).stop(false, true).fadeIn(time);
     adTxt.eq(index).children("p").css({ paddingTop: "50px", paddingBottom: "50px" }).stop(false, true).animate({ paddingTop: "0", paddingBottom: "0" }, time);
     adTxt.eq(index).css({ top: "0", opacity: "0" }).stop(false, true).animate({ top: "170px", opacity: "1" }, time);

     adImg.eq(index).css({ right: "700px", opacity: "0" }).stop(false, true).animate({ right: "500px", opacity: "1" }, time);
    }, 200)

    curIndex = index;
   }
  });

 </script>
</head>
<body>
<!--效果html開始-->
<div >
 <div class="lit">
 <p><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><img src="http://smzdqiang.com/data/attachment/forum/201609/20/162016tenownjn8wse6n8n.jpg" border="0" /></a></p>
 <p><a  rel="external nofollow" target="_blank"><img src="http://smzdqiang.com/data/attachment/forum/201609/20/162016tenownjn8wse6n8n.jpg" border="0" /></a></p>
 <p><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><img src="http://smzdqiang.com/data/attachment/forum/201609/20/162016tenownjn8wse6n8n.jpg" border="0" /></a></p>
 </div>
</div>
<div id="banner">
 <ul id="banner_img">
  <li class="item1" ><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><img src="http://smzdqiang.com/data/attachment/forum/201609/20/161359xzxwkl82k22d08r3.jpg" border="0" /></a></li>
 <li class="item2"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><img src="http://smzdqiang.com/data/attachment/forum/201609/20/161359viql2criqg5aw776.jpg" border="0" /></a></li>
 <li class="item3"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><img src="http://smzdqiang.com/data/attachment/forum/201609/20/161359eczultzb2c88mquq.jpg" /></a></li>
 <li class="item4"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><img src="http://smzdqiang.com/data/attachment/forum/201609/20/161400d3idxa6dfao84x1l.jpg" /></a></li>
 <li class="item6"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank"><img src="http://smzdqiang.com/data/attachment/forum/201609/20/161400eifr1ozgkikk99k1.jpg" /></a></li>
 </ul>
 <div id="banner_ctr">
 <div id="drag_ctr">
 </div>
 <ul>
 <li ></li>
 <li class="styclsa"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank" class="astysa">活動標題1</a></li>
 <li ></li>
 <li class="styclsa"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank" class="astysa">活動標題2</a></li>
 <li ></li>
 <li class="styclsa"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank" class="astysa">活動標題3</a></li>
 <li ></li>
 <li class="styclsa"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank" class="astysa">活動標題4</a></li>
 <li ></li>
 <li class="styclsa"><a  rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_blank" class="astysa">活動標題5</a></li>
 </ul>
 </div>
</div>
<!--效果html結束-->
</body>
</html>

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