這篇文章將為大家詳細講解有關(guān)基于JS如何實現(xiàn)仿百度百家主頁的輪播圖效果,小編覺得挺實用的,因此分享給大家做個參考,希望大家閱讀完這篇文章后可以有所收獲。
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HTML
<div class="ShowEntry"> <!-- <div id="widget_content_player" class="Player" alog-group="log-player">--> <!--------- 右擊箭頭---------> <a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" id="widget_content_player_prev" class="prev carousel-btn-prev"> <span class="icon-wrap"><img src="image/箭頭左.png"></span> </a> <div id="widget_content_player_wrapper" class="player"> <!---------- 一張大圖和涂上的文字 -------> <div id="widget_content_player_imgView" class="imgview"> <!---------- 一張大圖 -------> <a href="" target=" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" _blank" mon="a=12&col=1&pn=2"> <img src="/upload/otherpic44/76605.gif" hadcut="1" class="active" > </a> <a href="" target=" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" _blank" mon="a=12&col=1&pn=2"> <img src="image/95eef01f3a292df570506750b5315c6035a873e0.jpg" > </a> <a href="" target=" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" _blank" mon="a=12&col=1&pn=2"> <img src="image/0824ab18972bd407e8f01db872899e510fb30944.jpg.png" > </a> <a href="" target=" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" _blank" mon="a=12&col=1&pn=2"> <img src="image/9825bc315c6034a8cfd58fc7c213495409237644.jpg" > </a> <!--<div class="readnum"><span class="tit">閱讀數(shù)</span><span class="num" data-read="16913">16913</span></div>--> <!---------- 圖片下方的解釋文字,由js控制 哪張圖對應哪個鏈接 -------> <div class="box"> <i class="mark"></i> <a href="http://mbcaijing.baijia.baidu.com/article/755645" target="_blank" class="title">李嘉誠400億澳洲并購:千億現(xiàn)金急尋出路</a> <a href="http://mbcaijing.baijia.baidu.com/article/755645" target="_blank" class="title" >美女</a> <a href="http://mbcaijing.baijia.baidu.com/article/755645" target="_blank" class="title" >自行車</a> <a href="http://mbcaijing.baijia.baidu.com/article/755645" target="_blank" class="title" >足球</a> </div> </div> <!---------- 右下方四個點 -------> <div class="circles"> <a href="http://guoshiliangbo.baijia.baidu.com/article/756806" class="circle" target="_blank" ></a> <a href="http://yemacaijing.baijia.baidu.com/article/755797" class="circle" target="_blank"></a> <a href="http://mbcaijing.baijia.baidu.com/article/755645" class="circle " target="_blank"></a> <a href="http://junstapo.baijia.baidu.com/article/755717" class="circle " target="_blank" ></a> </div> </div> <!--------- 右擊箭頭---------> <a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" id="widget_content_player_next" class="next carousel-btn-next"> <span class="icon-wrap"><img src="image/右箭頭.png"</span> </a> <!-- </div>--> </div>
CSS
.ShowEntry{ height:inherit; width:70%; background:#00F; margin-right:10px; float:left; position:relative; } .ShowEntry .carousel-btn-prev, .ShowEntry .carousel-btn-next { position: absolute; top: 130px; width: 50px; height: 50px; z-index: 89; } .addBgi{ background-image:url(../image/%E5%9C%86.png); background-repeat: no-repeat; } .ShowEntry .carousel-btn-prev { left: 15px; background-position: -10px -95px\9; /*background-image:url(../image/%E5%B7%A6%E7%AE%AD%E5%A4%B4.png)*/ } .ShowEntry .carousel-btn-next { right: 15px; background-position: -160px -95px\9; } .ShowEntry .icon-wrap { position: relative; display: block; margin: 10% 0 0 10%; width: 80%; height: 80%; /* z-index:99;*/ } .player { position: relative; } .player .imgview { /*width: 670px;*/ height: 300px; position: relative; overflow: hidden; background: #ccc; } .circles{ position: absolute; bottom: 20px; right: 0; width: 80px; height: 8px; } /*.player .circles .active*/ .active { background: red; opacity: 1;/*????????*/ } .player .circles .circle { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background:#000; margin-left: 2px; opacity: .7; } .box{ height:80px; width:100%; position:absolute; bottom:0; } .box .title { font-size: 18px; line-height: 70px; color: #fff; font-family: "??????","Hiragino Sans GB"; display: block; text-align:center; } .box .title:hover { text-decoration: none; color: #e05a5a; }
javascript
var index=0; //周期:2秒 auto_play后不能加括號 var circulate=setInterval(auto_play,2000);//函數(shù)后面不能加括號 //自動播放 function auto_play(){ //alert(index); if(index>=3) {index=0;} else {index=index+1;} changePic(index); /*$(".imgview img").css("display","none");*/ //$(".imgview img").attr("src",imgs[index]); //alert(index); } //切換圖片 function changePic(index){ //alert(index); $(".imgview a").css("display","none"); $(".box a").css("display","none"); $(".circles a").css("background","#000"); //var src=$(".imgview a:eq("+index+")").attr("target"); //alert(src); $(".imgview a:eq("+index+")").css("display","inline"); $(".box a:eq("+index+")").css("display","block"); $(".circles a:eq("+index+")").css("background","red"); //alert(src); } //鼠標進入播放區(qū)域 暫停播放 $(".imgview").mouseenter(function(){ //alert("hi!"); clearInterval(circulate); }) //鼠標移出播放區(qū)域 開始播放 $(".imgview").mouseleave(function(){ //alert("hi!"); circulate=setInterval(auto_play,2000); }) //鼠標移入序號圓點 切換到序號所對應圖 $(".circle").mouseenter(function(){ //如何確定當前circle的序號? var num=$(this).index(); //alert(num); clearInterval(circulate); changePic(num); circulate=setInterval(auto_play,2000); }); //點擊左邊箭頭 切換到上一張 $(".carousel-btn-prev").click(function(){ clearInterval(circulate); //alert(index); //1.現(xiàn)在處在第幾張 :index; if(index==0)index=3; else index=index-1; changePic(index); circulate=setInterval(auto_play,2000); }); //點擊右邊箭頭 切換到下一張 $(".carousel-btn-next").click(function(){ clearInterval(circulate); //alert(index); //1.現(xiàn)在處在第幾張 :index; if(index==3)index=0; else index=index+1; changePic(index); circulate=setInterval(auto_play,2000); });
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