滚动效果

it2022-05-08  8

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %> <%@ Import Namespace="CPEMS.BLL" %> <!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 runat="server"> <title>Index</title> <style> .Scroller {margin:0px; padding:0px;} .Scroller{line-height:23px;overflow:hidden; border:0; font-size:12px; font-family:"宋体"} #idScrollMid{ width:220px;} #idScrollMid ul{width:250px; overflow:hidden; padding-left:5px; *margin-left:-5px; } #idScrollMid li{width:250px;float:left; overflow:hidden; list-style:none; background: url("http://cpe.21cp.net/2011cpe/images/GroupBg1.png") 0 10px no-repeat; height:23px; padding-left:10px; } /* #idScrollMid1 {float:left;} #idScrollMid1 ul{width:250px;float:left;overflow:hidden;} #idScrollMid1 ul li{ background: url("http://cpe.21cp.net/2011cpe/images/GroupBg1.png") no-repeat; height:23px; } */ </style> </head> <body> <div id="idScroller" class="Scroller" style="width:500px; height:200px;"> <div id="idScrollMid"> <ul> <li>招商进行中。。。</li> <li>招商进行中。。。</li> <li>招商进行中。。。</li> <li>招商进行中。。。</li> <li>招商进行中。。。</li> <li>招商进行中。。。</li> <li>招商进行中。。。</li> <li>招商进行中。。。</li> <li>招商进行中。。。</li> <li>招商进行中。。。</li> </ul> </div> </div> <div style="clear:both;"> </div> <script type="text/javascript"> var $ = function (id) { return "string" == typeof id ? document.getElementById(id) : id; }; var Class = { create: function () { return function () { this.initialize.apply(this, arguments); } } } Object.extend = function (destination, source) { for (var property in source) { destination[property] = source[property]; } return destination; } function addEventHandler(oTarget, sEventType, fnHandler) { if (oTarget.addEventListener) { oTarget.addEventListener(sEventType, fnHandler, false); } else if (oTarget.attachEvent) { oTarget.attachEvent("on" + sEventType, fnHandler); } else { oTarget["on" + sEventType] = fnHandler; } }; var Scroller = Class.create(); Scroller.prototype = { initialize: function (idScroller, idScrollMid, options) { var oScroll = this, oScroller = $(idScroller), oScrollMid = $(idScrollMid); this.SetOptions(options); this.Scroller = oScroller; this.Speed = this.options.Speed; this.timer = null; this.Pause = 0; //用于上下滚动 this.heightScroller = parseInt(oScroller.style.height) || oScroller.offsetHeight; this.heightList = oScrollMid.offsetHeight; //用于左右滚动 this.widthScroller = parseInt(oScroller.style.width) || oScroller.offsetWidth; this.widthList = oScrollMid.offsetWidth; //js取不到css设置的height和width oScroller.style.overflow = "hidden"; oScrollMid.appendChild(oScrollMid.cloneNode(true)); //方向设置 switch (this.options.Side.toLowerCase()) { case "right": if (this.widthList <= this.widthScroller) return; this.Scroll = this.ScrollLeftRight; this.side = -1; break; case "left": if (this.widthList <= this.widthScroller) return; this.Scroll = this.ScrollLeftRight; this.side = 1; break; case "down": if (this.heightList <= this.heightScroller) return; this.Scroll = this.ScrollUpDown; this.side = -1; break; case "up": default: if (this.heightList <= this.heightScroller) return; this.Scroll = this.ScrollUpDown; this.side = 1; } addEventHandler(oScroller, "mouseover", function () { oScroll.Stop(); }); addEventHandler(oScroller, "mouseout", function () { oScroll.Start(); }); this.Start(); }, //设置默认属性 SetOptions: function (options) { this.options = {//默认值 Step: 1, //每次变化的px量 Speed: 20, //速度(越大越慢) Side: "up", //滚动方向:"up"是上,"down"是下,"left"是左,"right"是右 PauseHeight: 0, //隔多高停一次 PauseWidth: 0, //隔多宽停一次 PauseStep: 1000//停顿时间(PauseHeight或PauseWidth大于0该参数才有效) }; Object.extend(this.options, options || {}); }, //上下滚动 ScrollUpDown: function () { this.Scroller.scrollTop = this.GetScroll(this.Scroller.scrollTop, this.heightScroller, this.heightList, this.options.PauseHeight); var oScroll = this; this.timer = window.setTimeout(function () { oScroll.Scroll(); }, this.Speed); }, //左右滚动 ScrollLeftRight: function () { //document.getElementById("test").innerHTML+=iStep+","; //注意:scrollLeft超过1400会自动变回1400 注意长度 this.Scroller.scrollLeft = this.GetScroll(this.Scroller.scrollLeft, this.widthScroller, this.widthList, this.options.PauseWidth); var oScroll = this; this.timer = window.setTimeout(function () { oScroll.Scroll(); }, this.Speed); }, //获取设置滚动数据 GetScroll: function (iScroll, iScroller, iList, iPause) { var oScroll = this, iStep = this.options.Step * this.side; if (this.side > 0) { if (iScroll >= (iList * 2 - iScroller)) { iScroll -= iList; } } else { if (iScroll <= 0) { iScroll += iList; } } this.Speed = this.options.Speed; if (iPause > 0) { if (Math.abs(this.Pause) >= iPause) { this.Speed = this.options.PauseStep; this.Pause = iStep = 0; } else { this.Pause += iStep; } } return (iScroll + iStep); }, //开始 Start: function () { this.Scroll(); }, //停止 Stop: function () { clearTimeout(this.timer); } }; window.onload = function () { new Scroller("idScroller", "idScrollMid", { Side: "up", PauseHeight: 30 }); } </script> </body> </html>

转载于:https://www.cnblogs.com/strugglesMen/archive/2011/05/31/2064755.html


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