jQuery实现图片向左向右切换效果的简单实例

<div> <div> <img src="images/chugui.jpg"> <img src="images/ad_auto.jpg"> <img src="images/ad_home.jpg"> <img src="images/ad_nba.jpg"> <img src="images/ad_stock.jpg"> <img src="images/ad_yuetu.jpg"> </div> <div> <span rel="1">1</span> <span rel="2">2</span> <span rel="3">3</span> <span rel="4">4</span> <span rel="5">5</span> <span rel="6">6</span> </div> </div> //CSS样式 .container { width: 1000px; margin: 0 auto; } .imageRotation { width: 1000px; height: 480px; position: relative; overflow: hidden; margin-top: 8px; } .imageBox { position: absolute; overflow: hidden; display: block; height: 480px; } .imageBox img { width: 1000px; height: 480px; float: left; border: none; display: block; } .iconBox { position: absolute; width: 120px; height: 12px; line-height: 12px; top: 444px; right: 20px; text-align: center; } .iconBox span { width: 6px; height: 6px; border-radius: 10px; text-align: center; background: #555; border: 2px solid #f5f5f5; float: left; text-indent: -999em; margin-left: 5px; cursor: pointer; } .iconBox span.active { width: 6px; height: 6px; background: #820000; border-radius: 10px; text-align: center; text-indent: -999em; } //js逻辑 $(function() { $(".imageRotation").each(function() { var imageRotation = this, imageBox = $(imageRotation).children(".imageBox"), iconBox = $(imageRotation).children(".iconBox"), iconArr = $(iconBox).children(), imageWidth = $(imageRotation).width(), imageNum = $(imageBox).children().size(), imageRollWidth = imageWidth * imageNum, activeID = parseInt($($(iconBox).children(".active")).attr("rel")), nextID = 0; var setIntervalID, setIntervalTime = 3000, speed = 500; //设置 图片容器 的宽度 $(imageBox).css({ 'width': imageRollWidth + "px" }); //图片切换函数 function imageRoll(clickID) { if (clickID) { nextID = clickID; } else { if (activeID <= 5) { nextID = activeID + 1 } else { nextID = 1; } } //图标添加样式、删除样式 $(iconArr[activeID - 1]).removeClass("active"); $(iconArr[nextID - 1]).addClass("active"); $(imageBox).animate({ left: "-" + (nextID - 1) * imageWidth + "px" }, speed); activeID = nextID; } setIntervalID = setInterval(imageRoll, setIntervalTime); //鼠标移动事件 $(imageBox).hover(function() { clearInterval(setIntervalID); }, function() { setIntervalID = setInterval(imageRoll, setIntervalTime); }); //鼠标点击事件 $(iconArr).click(function() { clearInterval(setIntervalID); var clickID = parseInt($(this).attr("rel")); //获取当前点击图片的id imageRoll(clickID); setIntervalID = setInterval(imageRoll, setIntervalTime); }); }); });

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