<!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>自动播放——幻灯片缓冲效果</title> <style> body,div,ul,li{margin:0;padding:0;} ul{list-style-type:none;} body{background:#000;text-align:center;font:12px/20px Arial;} #box{position:relative;492px;height:172px;background:#fff;border-radius:5px;border:8px solid #fff;margin:10px auto;cursor:pointer;} #box .list{position:relative;490px;height:170px;overflow:hidden;} #box .list ul{position:absolute;top:0;left:0;} #box .list li{490px;height:170px;overflow:hidden;} #box .count{position:absolute;right:0;bottom:5px;} #box .count li{color:#fff;float:left;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;} #tmp{100px;height:100px;background:red;position:absolute;} </style> <script type="text/javascript"> window.onload = function () { var oBox = document.getElementById("box"); var oList = oBox.getElementsByTagName("ul")[0]; 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")[1].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 class="list"> <ul> <li><img src="img/01.jpg" width="490" height="170" /></li> <li><img src="img/02.jpg" width="490" height="170" /></li> <li><img src="img/03.jpg" width="490" height="170" /></li> <li><img src="img/04.jpg" width="490" height="170" /></li> <li><img src="img/05.jpg" width="490" height="170" /></li> </ul> </div> </div> </body> </html>
带Loading效果的图片切换
<!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>带Loading效果的图片切换</title> <style type="text/css"> body,div,ul,li{margin:0;padding:0;} li{list-style:none;} body{font:12px/1.5 5fae8f6f96c59ed1;background:#000;} #big{position:relative;800px;height:auto!important;height:400px;min-height:400px;margin:20px auto;text-align:center;} #title{position:absolute;top:0;left:0;100%;background:#000;color:#fff;opacity:0.7;filter:alpha(opacity=70);font-size:20px;height:50px;} #title span{padding:0 5px;line-height:50px;display:block;} #big.loading{background:url(img/loading.gif) 50% 50% no-repeat;} #masks_L,#masks_R{position:absolute;top:0;400px;height:100%;cursor:pointer;background:#f0f0f0;opacity:0;filter:alpha(opacity=0);} #masks_L{left:0;} #masks_R{right:0;} #btn_L,#btn_R{position:absolute;top:50%;margin-top:-40px;39px;height:80px;overflow:hidden;cursor:pointer;text-indent:-9999px;background:url(img/btn.png) no-repeat;opacity:0;filter:alpha(opacity=0);} #btn_L{left:10px;background-position:0 0;} #btn_R{right:10px;background-position:-39px 0;} </style> <script type="text/javascript"> function getStyle(obj, attr){return obj.currentStyle ? obj.currentStyle[attr] : getComputedStyle(obj, null)[attr]} window.onload = function () { var oBig = document.getElementById("big"); var oMasksL = document.getElementById("masks_L"); var oMasksR = document.getElementById("masks_R"); var oBtnL = document.getElementById("btn_L"); var oBtnR = document.getElementById("btn_R"); var oTitle = document.getElementById("title"); var oSpan = oTitle.getElementsByTagName("span")[0]; var iNow = 0; var aData = [ {"imgSrc" : "http://img1.gtimg.com/news/pics/hv1/106/238/825/53706421.jpg", "title" : "7月26日，吊车将事故现场的车头残片吊至大型运输车辆上。"}, {"imgSrc" : "http://img1.gtimg.com/news/pics/hv1/105/238/825/53706420.jpg", "title" : "7月26日，一辆大卡车准备驶离事故现场。"}, {"imgSrc" : "http://img1.gtimg.com/news/pics/hv1/101/238/825/53706416.jpg", "title" : "7月26日，工人在给最后一节车厢盖上彩条布，准备运离现场。"}, {"imgSrc" : "http://img1.gtimg.com/news/pics/hv1/99/238/825/53706414.jpg", "title" : "7月26日，一名工人在事故现场最后一节车厢上作业。"}, {"imgSrc" : "http://img1.gtimg.com/news/pics/hv1/100/238/825/53706415.jpg", "title" : "7月26日，工人在给最后一节车厢盖上彩条布，准备运离现场。"} ]; oMasksL.onmouseover = oBtnL.onmouseover = function () { startMove(oBtnL, "opacity", 100) }; oMasksL.onmouseout = oBtnL.onmouseout = function () { startMove(oBtnL, "opacity", 0) }; oMasksR.onmouseover = oBtnR.onmouseover = function () { startMove(oBtnR, "opacity", 100) }; oMasksR.onmouseout = oBtnR.onmouseout = function () { startMove(oBtnR, "opacity", 0) }; function startMove(obj, attr, iTarget, fnEnd) { clearInterval(obj.timer); obj.timer = setInterval(function () { doMove(obj, attr, iTarget, fnEnd) }, 30) } function doMove(obj, attr, iTarget, fnEnd) { var iCur = parseFloat(getStyle(obj, attr)); if (attr == "opacity") { iCur = parseInt(iCur * 100) } var iSpeed = (iTarget - iCur) / 5; iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed); if (iTarget == iCur) { clearInterval(obj.timer); fnEnd && fnEnd(); } else { if (attr == "opacity") { obj.style.filter = "alpha(opacity = " + (iCur + iSpeed) + ")"; obj.style.opacity = (iCur + iSpeed) / 100; } else { obj.style[attr] = iCur + iSpeed + "px"; } } } oBtnL.onclick = function () { if (iNow <= 0) { alert("前面没有图片了！") return; } iNow--; loadImg(); }; oBtnR.onclick = function () { if(iNow >= aData.length - 1) { alert("这是最后一张图片了！") return; } iNow++; loadImg(); }; loadImg(); function loadImg() { oBig.className = "loading"; oSpan.style.opacity = oTitle.style.height = 0; oSpan.style.filter = "alpha(opacity=0)"; var oImg = oBig.getElementsByTagName("img"); oImg[0] && oBig.removeChild(oImg[0]); var oTemp = document.createElement("img"); var oNewImg = new Image(); oNewImg.onload = function () { oBig.className = ""; oTemp.src = this.src; oBig.appendChild(oTemp); oTemp.style.width = (oTemp.offsetWidth > 800 ? 800 : oTemp.offsetWidth) + "px"; oBig.style.height = oTemp.style.height = oTemp.offsetHeight * oTemp.offsetWidth / oTemp.offsetWidth + "px"; oSpan.innerHTML = aData[iNow].title; startMove(oTitle, "height", 50, function (){ startMove(oTitle.childNodes[0], "opacity", 100) }) }; oNewImg.src = aData[iNow].imgSrc } }; </script> </head> <body> <div id="big"> <div id="masks_L"></div> <div id="masks_R"></div> <div id="btn_L">左</div> <div id="btn_R">右</div> <div id="title"><span></span></div> </div> </body> </html>
移动效果（按轨迹移动）
<!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>移动效果（按轨迹移动）</title> <style type="text/css"> body,div{margin:0;padding:0;} div{position:absolute;66px;height:45px;background:url(img/1.gif) no-repeat;top:100px;left:50px;} p,input{margin:10px;} </style> <script type="text/javascript"> window.onload = function () { var oDiv = document.getElementsByTagName("div")[0]; var aInput = document.getElementsByTagName("input"); var oP = document.getElementsByTagName("p")[0]; var i = 0; aInput[0].onclick = function (event) { (event || window.event).cancelBubble = true; clearEvent(); this.value += "(已激活)"; oP.innerHTML = "鼠标点击页面， 人物将移动至鼠标位置！"; document.onclick = function (event) { var event = event || window.event; oDiv.style.background = "url(img/2.gif) no-repeat"; startMove(oDiv, {x:event.clientX, y:event.clientY}, function(){oDiv.style.background = "url(img/1.gif) no-repeat"}); return false; } }; aInput[1].onclick = function (event) { (event || window.event).cancelBubble = true; clearEvent(); this.value += "(已激活)"; oP.innerHTML = "按住鼠标左键，在页面划动，人物将按照鼠标轨迹移动。" var aPos = [{x:oDiv.offsetLeft, y:oDiv.offsetTop}]; document.onmousedown = function (event) { var event = event || window.event; aPos.push({x:event.clientX, y:event.clientY}); document.onmousemove = function (event) { var event = event || window.event; aPos.push({x:event.clientX, y:event.clientY}); return false; } return false; } document.onmouseup = function () { document.onmousemove = null; oDiv.style.background = "url(img/2.gif) no-repeat"; var timer = setInterval(function () { if(aPos.length == 0) { clearInterval(timer); oDiv.style.background = "url(img/1.gif) no-repeat"; return; }; oDiv.style.left = aPos[0].x + "px"; oDiv.style.top = aPos[0].y + "px"; aPos.shift(); }, 30); }; } function clearEvent() { document.onclick = null; document.onmousedown = null; document.onmousemove = null; document.onmouseup = null; for (i = 0; i < aInput.length; i++) { aInput[i].value = aInput[i].value.replace("(已激活)", ""); aInput[i].onmousedown = aInput[i].onmouseup = function (event) { (event || window.event).cancelBubble = true; }; } } }; function startMove(obj, oTarget, fnEnd) { clearInterval(obj.timer); obj.timer = setInterval(function () { doMove(obj, oTarget, fnEnd) }, 30) } function doMove(obj, oTarget, fnEnd) { var iX = (oTarget.x - obj.offsetLeft) / 5; var iY = (oTarget.y - obj.offsetTop) / 5; iX = iX > 0 ? Math.ceil(iX) : Math.floor(iX); iY = iY > 0 ? Math.ceil(iY) : Math.floor(iY); if (oTarget.x == obj.offsetLeft && oTarget.y == obj.offsetTop) { clearInterval(obj.timer); fnEnd && fnEnd(); } else { obj.style.left = obj.offsetLeft + iX + "px"; obj.style.top = obj.offsetTop + iY + "px"; } } </script> </head> <body> <input type="button" value="根据鼠标点击位置移动" /><input type="button" value="根据标鼠标轨迹移动" /> <p>请点击按钮激活功能！</p> <div></div> </body> </html>