JavaScript 無(wú)縫上下左右滾動(dòng)加定高定寬停頓效果(兼容ie/ff)

更新時(shí)間：2010年03月18日 20:09:19 作者：

JavaScript 指定寬度高度的無(wú)間斷滾動(dòng)實(shí)現(xiàn)代碼，這樣的效果適合作為焦點(diǎn)新聞的輪播顯示。

JavaScript 無(wú)縫上下滾動(dòng)加定高定寬停頓效果(兼容ie/ff)

<!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=gb2312" /> <title>JavaScript 無(wú)縫上下滾動(dòng)加定高定寬停頓效果(兼容ie/ff)</title> </head> <body> <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 oThis = this, oScroller = $(idScroller), oScrollMid = $(idScrollMid); this.SetOptions(options); this.Side = this.options.Side || ["up"];//方向 this.scroller = oScroller; //對(duì)象 this.speed = this.options.Speed; //速度 this.timer = null; //時(shí)間 this.pauseHeight = 0; //定高 this.pauseWidth = 0; //定寬 this.pause = 0; //定高(寬) this.side = 0; //參數(shù) //用于上下滾動(dòng) this.heightScroller = parseInt(oScroller.style.height) || oScroller.offsetHeight; this.heightList = oScrollMid.offsetHeight; //用于左右滾動(dòng) this.widthScroller = parseInt(oScroller.style.width) || oScroller.offsetWidth; this.widthList = oScrollMid.offsetWidth; //js取不到css設(shè)置的height和width oScroller.style.overflow = "hidden"; oScrollMid.appendChild(oScrollMid.cloneNode(true)); oScrollMid.appendChild(oScrollMid.cloneNode(true)); addEventHandler(oScroller, "mouseover", function() { oThis.Stop(); }); addEventHandler(oScroller, "mouseout", function() { oThis.Start(); }); this.Start(); }, //設(shè)置默認(rèn)屬性 SetOptions: function(options) { this.options = {//默認(rèn)值 Step: 1,//每次變化的px量 Speed: 20,//速度(越大越慢) Side: ["up"],//滾動(dòng)方向:"up"是上，"down"是下，"left"是左，"right"是右 PauseHeight: 0,//隔多高停一次 PauseWidth: 0,//隔多寬停一次 //當(dāng)上下和左右一起使用時(shí)必須設(shè)置PauseHeight和PauseWidth來(lái)設(shè)置轉(zhuǎn)向位置 PauseStep: 3000//停頓時(shí)間(PauseHeight或PauseWidth大于0該參數(shù)才有效) }; Object.extend(this.options, options || {}); }, //轉(zhuǎn)向 Turn: function() { //通過(guò)設(shè)置方向數(shù)組的排列來(lái)轉(zhuǎn)向 this.Side.push(this.Side.shift().toLowerCase()); }, //上下滾動(dòng) ScrollUpDown: function() { this.pause = this.pauseHeight; this.scroller.scrollTop = this.GetScroll(this.scroller.scrollTop, this.heightScroller, this.heightList, this.options.PauseHeight); this.pauseHeight = this.pause; var oThis = this; this.timer = window.setTimeout(function(){ oThis.Start(); }, this.speed); }, //左右滾動(dòng) ScrollLeftRight: function() { this.pause = this.pauseWidth; //注意:scrollLeft超過(guò)1400會(huì)自動(dòng)變回1400 注意長(zhǎng)度 this.scroller.scrollLeft = this.GetScroll(this.scroller.scrollLeft, this.widthScroller, this.widthList, this.options.PauseWidth); this.pauseWidth = this.pause; var oThis = this; this.timer = window.setTimeout(function(){ oThis.Start(); }, this.speed); }, //獲取設(shè)置滾動(dòng)數(shù)據(jù) GetScroll: function(iScroll, iScroller, iList, iPause) { var 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; this.Turn(); } else { this.pause += iStep; } } return (iScroll + iStep); }, //開(kāi)始 Start: function() { //document.getElementById("test").innerHTML+=sTurn+","; //方向設(shè)置 switch (this.Side[0].toLowerCase()) { case "right" : if(this.widthList < this.widthScroller) return; this.side = -1; this.ScrollLeftRight(); break; case "left" : if(this.widthList < this.widthScroller) return; this.side = 1; this.ScrollLeftRight(); break; case "down" : if(this.heightList < this.heightScroller) return; this.side = -1; this.ScrollUpDown(); break; case "up" : default : if(this.heightList < this.heightScroller) return; this.side = 1; this.ScrollUpDown(); } }, //停止 Stop: function() { clearTimeout(this.timer); } }; </SCRIPT> <STYLE> body {font-size:12px;} .Scroller {line-height:20px; border:1px solid #D4D4D4; padding:0px 10px; height:20px; width:400px;} .Scroller *{margin:0px; padding:0px;} .ScrollMid {float:left;} .ScrollMid ul{width:400px;float:left;} .ScrollMid li{list-style:none; float:left; width:390px; padding-left:10px;line-height:20px; } </STYLE> <div   id="npvfx5t"   class=Scroller id=idScroller> <DIV style="WIDTH: 400px"> <div   id="ftlfnn5"   class=ScrollMid id=idScrollMid> <UL> <LI><a href="http://www.dhdzp.com" target="_blank">順德于1993年被批準(zhǔn)為廣東省綜合改革試點(diǎn)。 </a></LI> <LI><a href="http://www.dhdzp.com" target="_blank">2006年順德成為首個(gè)GDP超過(guò)1000億的縣級(jí)行政單位。 </a></LI> <LI><a href="http://www.dhdzp.com" target="_blank">2000至2003年順德均在中國(guó)百?gòu)?qiáng)縣排名中位居榜首。 </a></LI> <LI><a href="http://www.dhdzp.com" target="_blank">2005年順德實(shí)現(xiàn)國(guó)內(nèi)生產(chǎn)總值856.11億元。 </a></LI></UL></DIV></DIV></DIV> <SCRIPT> new Scroller("idScroller", "idScrollMid",{ Side:["up",""], PauseHeight:20, PauseWidth:400 }); </SCRIPT> </body> </html>

[Ctrl+A 全選注:引入外部Js需再刷新一下頁(yè)面才能執(zhí)行]

JavaScript 無(wú)縫左右滾動(dòng)加定高定寬停頓效果(兼容ie/ff)

<!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=gb2312" /> <title>JavaScript 無(wú)縫左右滾動(dòng)加定高定寬停頓效果(兼容ie/ff)</title> </head> <body> <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 oThis = this, oScroller = $(idScroller), oScrollMid = $(idScrollMid); this.SetOptions(options); this.Side = this.options.Side || ["up"];//方向 this.scroller = oScroller; //對(duì)象 this.speed = this.options.Speed; //速度 this.timer = null; //時(shí)間 this.pauseHeight = 0; //定高 this.pauseWidth = 0; //定寬 this.pause = 0; //定高(寬) this.side = 0; //參數(shù) //用于上下滾動(dòng) this.heightScroller = parseInt(oScroller.style.height) || oScroller.offsetHeight; this.heightList = oScrollMid.offsetHeight; //用于左右滾動(dòng) this.widthScroller = parseInt(oScroller.style.width) || oScroller.offsetWidth; this.widthList = oScrollMid.offsetWidth; //js取不到css設(shè)置的height和width oScroller.style.overflow = "hidden"; oScrollMid.appendChild(oScrollMid.cloneNode(true)); oScrollMid.appendChild(oScrollMid.cloneNode(true)); addEventHandler(oScroller, "mouseover", function() { oThis.Stop(); }); addEventHandler(oScroller, "mouseout", function() { oThis.Start(); }); this.Start(); }, //設(shè)置默認(rèn)屬性 SetOptions: function(options) { this.options = {//默認(rèn)值 Step: 1,//每次變化的px量 Speed: 20,//速度(越大越慢) Side: ["up"],//滾動(dòng)方向:"up"是上，"down"是下，"left"是左，"right"是右 PauseHeight: 0,//隔多高停一次 PauseWidth: 0,//隔多寬停一次 //當(dāng)上下和左右一起使用時(shí)必須設(shè)置PauseHeight和PauseWidth來(lái)設(shè)置轉(zhuǎn)向位置 PauseStep: 3000//停頓時(shí)間(PauseHeight或PauseWidth大于0該參數(shù)才有效) }; Object.extend(this.options, options || {}); }, //轉(zhuǎn)向 Turn: function() { //通過(guò)設(shè)置方向數(shù)組的排列來(lái)轉(zhuǎn)向 this.Side.push(this.Side.shift().toLowerCase()); }, //上下滾動(dòng) ScrollUpDown: function() { this.pause = this.pauseHeight; this.scroller.scrollTop = this.GetScroll(this.scroller.scrollTop, this.heightScroller, this.heightList, this.options.PauseHeight); this.pauseHeight = this.pause; var oThis = this; this.timer = window.setTimeout(function(){ oThis.Start(); }, this.speed); }, //左右滾動(dòng) ScrollLeftRight: function() { this.pause = this.pauseWidth; //注意:scrollLeft超過(guò)1400會(huì)自動(dòng)變回1400 注意長(zhǎng)度 this.scroller.scrollLeft = this.GetScroll(this.scroller.scrollLeft, this.widthScroller, this.widthList, this.options.PauseWidth); this.pauseWidth = this.pause; var oThis = this; this.timer = window.setTimeout(function(){ oThis.Start(); }, this.speed); }, //獲取設(shè)置滾動(dòng)數(shù)據(jù) GetScroll: function(iScroll, iScroller, iList, iPause) { var 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; this.Turn(); } else { this.pause += iStep; } } return (iScroll + iStep); }, //開(kāi)始 Start: function() { //document.getElementById("test").innerHTML+=sTurn+","; //方向設(shè)置 switch (this.Side[0].toLowerCase()) { case "right" : if(this.widthList < this.widthScroller) return; this.side = -1; this.ScrollLeftRight(); break; case "left" : if(this.widthList < this.widthScroller) return; this.side = 1; this.ScrollLeftRight(); break; case "down" : if(this.heightList < this.heightScroller) return; this.side = -1; this.ScrollUpDown(); break; case "up" : default : if(this.heightList < this.heightScroller) return; this.side = 1; this.ScrollUpDown(); } }, //停止 Stop: function() { clearTimeout(this.timer); } }; </SCRIPT> <STYLE> body {font-size:12px;} .Scroller {line-height:20px; border:1px solid #D4D4D4; padding:0px 10px; height:20px; width:400px;} .Scroller *{margin:0px; padding:0px;} .ScrollMid {float:left;} .ScrollMid ul{width:800px;float:left;} .ScrollMid li{list-style:none; float:left; width:390px; padding-left:10px;line-height:20px; } </STYLE> <div   id="d7htnlv"   class=Scroller id=idScroller> <DIV style="WIDTH: 1600px"> <div   id="b7hxfdn"   class=ScrollMid id=idScrollMid> <UL> <LI><a href="http://www.dhdzp.com" target="_blank">順德于1993年被批準(zhǔn)為廣東省綜合改革試點(diǎn)。 </a></LI> <LI><a href="http://www.dhdzp.com" target="_blank">2006年順德成為首個(gè)GDP超過(guò)1000億的縣級(jí)行政單位。 </a></LI> <LI><a href="http://www.dhdzp.com" target="_blank">2000至2003年順德均在中國(guó)百?gòu)?qiáng)縣排名中位居榜首。 </a></LI> <LI><a href="http://www.dhdzp.com" target="_blank">2005年順德實(shí)現(xiàn)國(guó)內(nèi)生產(chǎn)總值856.11億元。 </a></LI></UL></DIV></DIV></DIV> <SCRIPT> new Scroller("idScroller", "idScrollMid",{ Side:["up","left"], PauseHeight:20, PauseWidth:400 }); </SCRIPT> </body> </html>

[Ctrl+A 全選注:引入外部Js需再刷新一下頁(yè)面才能執(zhí)行]

您可能感興趣的文章: