JS + CSS 超漂亮切换效果
来源：互联网 发布：查士丁尼瘟疫 知乎 编辑：程序博客网 时间：2024/05/01 15:39
<!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>图片幻灯切换</title><style type="text/css">* { margin:0; padding:0; }body { background:#FFF; color:#333; font:12px/1.6em Helvetica, Arial, sans-serif; }h1, h2, h3, h4, h5, h6 { font-size:1em; }a { color:#0287CA; text-decoration:none; }a:hover { text-decoration:underline; }ul, li { list-style:none; }fieldset, img { border:none; }legend { display:none; }em, strong, cite, th { font-style:normal; font-weight:normal; }input, textarea, select, button { font:12px Helvetica, Arial, sans-serif; }table { border-collapse:collapse; }html { overflow:-moz-scrollbars-vertical; } #ibanner { position:relative; width:498px; height:268px; overflow:hidden; }#ibanner_pic {}#ibanner_pic a { position:absolute; top:0; display:block; width:498px; height:268px; overflow:hidden; }#ibanner_btn { position:absolute; z-index:9999; right:5px; bottom:5px; font-weight:700; font-family:Arial; }#ibanner_btn span { display:block; float:left; margin-left:4px; padding:0 5px; background:#000; cursor:pointer; }#ibanner_btn .normal { height:20px; margin-top:8px; border:1px solid #999; color:#999; font-size:16px; line-height:20px; }#ibanner_btn .current { height:28px; border:1px solid #FF5300; color:#FF5300; font-size:28px; line-height:28px; }</style><script type="text/javascript">function $(id) { return document.getElementById(id); }function addLoadEvent(func){var oldonload = window.onload;if (typeof window.onload != 'function') {window.onload = func;} else {window.onload = function(){oldonload();func();}}}function addBtn() {if(!$('ibanner')||!$('ibanner_pic')) return;var picList = $('ibanner_pic').getElementsByTagName('a');if(picList.length==0) return;var btnBox = document.createElement('div');btnBox.setAttribute('id','ibanner_btn');var SpanBox ='';for(var i=1; i<=picList.length; i++ ) {var spanList = '<span class="normal">'+i+'</span>';SpanBox += spanList;}btnBox.innerHTML = SpanBox;$('ibanner').appendChild(btnBox);$('ibanner_btn').getElementsByTagName('span')[0].className = 'current';for (var m=0; m<picList.length; m++){var attributeValue = 'picLi_'+mpicList[m].setAttribute('id',attributeValue);}}function moveElement(elementID,final_x,final_y,interval) {if (!document.getElementById) return false;if (!document.getElementById(elementID)) return false;var elem = document.getElementById(elementID);if (elem.movement) {clearTimeout(elem.movement);}if (!elem.style.left) {elem.style.left = "0px";}if (!elem.style.top) {elem.style.top = "0px";}var xpos = parseInt(elem.style.left);var ypos = parseInt(elem.style.top);if (xpos == final_x && ypos == final_y) {moveing = false;return true;}if (xpos < final_x) {var dist = Math.ceil((final_x - xpos)/10);xpos = xpos + dist;}if (xpos > final_x) {var dist = Math.ceil((xpos - final_x)/10);xpos = xpos - dist;}if (ypos < final_y) {var dist = Math.ceil((final_y - ypos)/10);ypos = ypos + dist;}if (ypos > final_y) {var dist = Math.ceil((ypos - final_y)/10);ypos = ypos - dist;}elem.style.left = xpos + "px";elem.style.top = ypos + "px";var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";elem.movement = setTimeout(repeat,interval);}function classNormal() {var btnList = $('ibanner_btn').getElementsByTagName('span');for (var i=0; i<btnList.length; i++){btnList[i].className='normal';}}function picZ() {var picList = $('ibanner_pic').getElementsByTagName('a');for (var i=0; i<picList.length; i++){picList[i].style.zIndex='1';}}var autoKey = false;function iBanner() {if(!$('ibanner')||!$('ibanner_pic')||!$('ibanner_btn')) return;$('ibanner').onmouseover = function(){autoKey = true};$('ibanner').onmouseout = function(){autoKey = false};var btnList = $('ibanner_btn').getElementsByTagName('span');var picList = $('ibanner_pic').getElementsByTagName('a');if (picList.length==1) return;picList[0].style.zIndex='2';for (var m=0; m<btnList.length; m++){btnList[m].onmouseover = function() {for(var n=0; n<btnList.length; n++) {if (btnList[n].className == 'current') {var currentNum = n;}}classNormal();picZ();this.className='current';picList[currentNum].style.zIndex='2';var z = this.childNodes[0].nodeValue-1;picList[z].style.zIndex='3';if (currentNum!=z){picList[z].style.left='498px';moveElement('picLi_'+z,0,0,10);}}}}setInterval('autoBanner()', 5000);function autoBanner() {if(!$('ibanner')||!$('ibanner_pic')||!$('ibanner_btn')||autoKey) return;var btnList = $('ibanner_btn').getElementsByTagName('span');var picList = $('ibanner_pic').getElementsByTagName('a');if (picList.length==1) return;for(var i=0; i<btnList.length; i++) {if (btnList[i].className == 'current') {var currentNum = i;}}if (currentNum==(picList.length-1) ){classNormal();picZ();btnList[0].className='current';picList[currentNum].style.zIndex='2';picList[0].style.zIndex='3';picList[0].style.left='498px';moveElement('picLi_0',0,0,10);} else {classNormal();picZ();var nextNum = currentNum+1;btnList[nextNum].className='current';picList[currentNum].style.zIndex='2';picList[nextNum].style.zIndex='3';picList[nextNum].style.left='498px';moveElement('picLi_'+nextNum,0,0,10);}}addLoadEvent(addBtn);addLoadEvent(iBanner);</script><script type="text/javascript"> window.onload = function (){var oLi = document.getElementById("tab").getElementsByTagName("li");var oUl = document.getElementById("hcon").getElementsByTagName("ul");for(var i = 0; i < oLi.length; i++){oLi[i].index = i;oLi[i].onmouseover = function (){for(var n = 0; n < oLi.length; n++) oLi[n].className="";this.className = "current";for(var n = 0; n < oUl.length; n++) oUl[n].style.display = "none";oUl[this.index].style.display = "block"}}}</script></head><body><div id="ibanner"><div id="ibanner_pic"><a href="/jscss/"><img src="/jscss/demoimg/200904/a1.jpg" alt="" /></a><a href="/sort/index.shtml"><img src="/jscss/demoimg/200904/a2.jpg" alt="" /></a><a href="/other/lastupdate.shtml"><img src="/jscss/demoimg/200904/a3.jpg" alt="" /></a><a href="/other/top100.shtml"><img src="/jscss/demoimg/200904/a4.jpg" alt="" /></a></div></div><!--ibanner end--></body></html>
