2019-4-30 zhulinan Web前端
<!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>育灵童技术部博客空间 - JS实现图片水平方向轮播</title> <style> body,div,ul,li{margin:0;padding:0} ul{list-style-type:none} body{background:#333;text-align:center;font:12px/20px Arial;} #box{position:relative;width:490px;height:170px;background:#fff;border-radius:5px;border:8px solid #fff;margin:10px auto;cursor:pointer;overflow:hidden;} #box .list{position:relative;width:2450px;height:170px;overflow:hidden;} #box .list img{float:left;position:relative;display:inline-block} #box .count{position:absolute;right:0;bottom:5px;} #box .count li{color:#fff;float:left;width:20px;height:20px;cursor:pointer;margin-right:5px;overflow:hidden;background:#F90;opacity:0.7;filter:alpha(opacity=70);border-radius:20px;} #box .count li.current{color:#fff;opacity:1;filter:alpha(opacity=100);font-weight:700;background:#f60;} </style> <script type="text/javascript"> window.onload = function () { var oBox = document.getElementById("box"); var oList = document.getElementById("imgList"); var aImg = oBox.getElementsByTagName("img"); var timer = playTimer = null; var index = i = 0; var bOrder = true; var aTmp = []; var aBtn = null; //生成数字按钮 for (i = 0; i < aImg.length; i++) aTmp.push("<li>" + (i + 1) + "</li>"); //插入元素 var oCount = document.createElement("ul"); oCount.className = "count"; oCount.innerHTML = aTmp.join(""); oBox.appendChild(oCount); aBtn = oBox.getElementsByTagName("ul")[0].getElementsByTagName("li"); //初始化状态 cutover(); //按钮点击切换 for (i = 0; i < aBtn.length; i++) { aBtn[i].index = i; aBtn[i].onmouseover = function () { index = this.index; cutover() } } function cutover() { for (i = 0; i < aBtn.length; i++) aBtn[i].className = ""; aBtn[index].className = "current"; startMove(-(index * aImg[0].offsetWidth)) } function next() { bOrder ? index++ : index--; index <= 0 && (index = 0, bOrder = true); index >= aBtn.length - 1 && (index = aBtn.length - 1, bOrder = false) cutover() } playTimer = setInterval(next, 3000); //鼠标移入展示区停止自动播放 oBox.onmouseover = function () { clearInterval(playTimer) }; //鼠标离开展示区开始自动播放 oBox.onmouseout = function () { playTimer = setInterval(next, 3000) }; function startMove(iTarget) { clearInterval(timer); timer = setInterval(function () { doMove(iTarget) }, 30) } function doMove (iTarget) { var iSpeed = (iTarget - oList.offsetLeft) / 10; iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed); oList.offsetLeft == iTarget ? clearInterval(timer) : oList.style.left = oList.offsetLeft + iSpeed + "px" } }; </script> </head> <body> <div id="box"> <div id="imgList" class="list"> <img src="http://blog.elight.cn/other/img/20190430/1.jpg" width="490" height="170" /> <img src="http://blog.elight.cn/other/img/20190430/2.jpg" width="490" height="170" /> <img src="http://blog.elight.cn/other/img/20190430/3.jpg" width="490" height="170" /> <img src="http://blog.elight.cn/other/img/20190430/4.jpg" width="490" height="170" /> <img src="http://blog.elight.cn/other/img/20190430/5.jpg" width="490" height="170" /> </div> </div> </body> </html>
<!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>育灵童技术部博客空间 - JS实现图片竖直方向轮播</title> <style> body,div,ul,li{margin:0;padding:0} ul{list-style-type:none} body{background:#333;text-align:center;font:12px/20px Arial;} #box{position:relative;width:490px;height:170px;background:#fff;border-radius:5px;border:8px solid #fff;margin:10px auto;cursor:pointer;overflow:hidden;} #box .list{position:relative;width:490px;height:850px;overflow:hidden;} #box .count{position:absolute;right:0;bottom:5px;} #box .count li{color:#fff;float:left;width:20px;height:20px;cursor:pointer;margin-right:5px;overflow:hidden;background:#F90;opacity:0.7;filter:alpha(opacity=70);border-radius:20px;} #box .count li.current{color:#fff;opacity:1;filter:alpha(opacity=100);font-weight:700;background:#f60;} </style> <script type="text/javascript"> window.onload = function () { var oBox = document.getElementById("box"); var oList = document.getElementById("imgList"); var aImg = oBox.getElementsByTagName("img"); var timer = playTimer = null; var index = i = 0; var bOrder = true; var aTmp = []; var aBtn = null; //生成数字按钮 for (i = 0; i < aImg.length; i++) aTmp.push("<li>" + (i + 1) + "</li>"); //插入元素 var oCount = document.createElement("ul"); oCount.className = "count"; oCount.innerHTML = aTmp.join(""); oBox.appendChild(oCount); aBtn = oBox.getElementsByTagName("ul")[0].getElementsByTagName("li"); //初始化状态 cutover(); //按钮点击切换 for (i = 0; i < aBtn.length; i++) { aBtn[i].index = i; aBtn[i].onmouseover = function () { index = this.index; cutover() } } function cutover() { for (i = 0; i < aBtn.length; i++) aBtn[i].className = ""; aBtn[index].className = "current"; startMove(-(index * aImg[0].offsetHeight)) } function next() { bOrder ? index++ : index--; index <= 0 && (index = 0, bOrder = true); index >= aBtn.length - 1 && (index = aBtn.length - 1, bOrder = false) cutover() } playTimer = setInterval(next, 3000); //鼠标移入展示区停止自动播放 oBox.onmouseover = function () { clearInterval(playTimer) }; //鼠标离开展示区开始自动播放 oBox.onmouseout = function () { playTimer = setInterval(next, 3000) }; function startMove(iTarget) { clearInterval(timer); timer = setInterval(function () { doMove(iTarget) }, 30) } function doMove (iTarget) { var iSpeed = (iTarget - oList.offsetTop) / 10; iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed); oList.offsetTop == iTarget ? clearInterval(timer) : oList.style.top = oList.offsetTop + iSpeed + "px" } }; </script> </head> <body> <div id="box"> <div id="imgList" class="list"> <img src="http://blog.elight.cn/other/img/20190430/1.jpg" width="490" height="170" /> <img src="http://blog.elight.cn/other/img/20190430/2.jpg" width="490" height="170" /> <img src="http://blog.elight.cn/other/img/20190430/3.jpg" width="490" height="170" /> <img src="http://blog.elight.cn/other/img/20190430/4.jpg" width="490" height="170" /> <img src="http://blog.elight.cn/other/img/20190430/5.jpg" width="490" height="170" /> </div> </div> </body> </html>
