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<!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>无标题文档</title><style type="text/css">*{ margin:0px; padding: 0px; list-style:none;}.box { width:500px; margin:0 auto; position:relative; top:100px; }.Container { position: absolute; top:0px; left: 100px; width: 400px; height: 200px; background-color: #EEE; }#Scroller-1 { position: absolute; overflow: hidden; width: 400px; height: 200px; }#Scroller-1 p { margin: 0; padding: 10px 20px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; text-indent: 20px; color: #777; }.Scroller-Container { position: absolute; top: 0px; left: 0px; }.Scrollbar-Track { width: 10px; height: 200px; position: absolute; top: 0px; right:0px; background-color: #EEE; cursor:pointer; }.Scrollbar-Handle { position: absolute; top: 0px; left: 0px; width: 10px; height: 30px; background-color: #CCC; }</style><script type="text/javascript">var scroller = null;var scrollbar = null;window.onload = function () { scroller = new jsScroller(document.getElementById("Scroller-1"), 400, 200); scrollbar = new jsScrollbar (document.getElementById("Scrollbar-Container"), scroller, false);}function jsScroller (o, w, h) {var self = this;var list = o.getElementsByTagName("div");for (var i = 0; i < list.length; i++) {if (list[i].className.indexOf("Scroller-Container") > -1) {o = list[i]; // 以 o 为对象，将对象包含的class名为Scroller-Container的元素付给 对象 o}}//Private methodsthis._setPos = function (x, y) {if (x < this.viewableWidth - this.totalWidth) x = this.viewableWidth - this.totalWidth;if (x > 0) x = 0;if (y < this.viewableHeight - this.totalHeight) y = this.viewableHeight - this.totalHeight;if (y > 0) y = 0;this._x = x;this._y = y;with (o.style) {left = this._x +"px";top = this._y +"px";}};//Public Methodsthis.reset = function () {this.content = o;this.totalHeight = o.offsetHeight;this.totalWidth = o.offsetWidth;this._x = 0;this._y = 0;with (o.style) {left = "0px";top = "0px";}};this.scrollBy = function (x, y) {this._setPos(this._x + x, this._y + y);};this.scrollTo = function (x, y) {this._setPos(-x, -y);};this.stopScroll = function () {if (this.scrollTimer) window.clearInterval(this.scrollTimer);};this.startScroll = function (x, y) {this.stopScroll();this.scrollTimer = window.setInterval(function(){ self.scrollBy(x, y); }, 40);};this.swapContent = function (c, w, h) {o = c;var list = o.getElementsByTagName("div");for (var i = 0; i < list.length; i++) {if (list[i].className.indexOf("Scroller-Container") > -1) {o = list[i];}}if (w) this.viewableWidth = w;if (h) this.viewableHeight = h;this.reset();};//variablesthis.content = o;this.viewableWidth = w;this.viewableHeight = h;this.totalWidth = o.offsetWidth;this.totalHeight = o.offsetHeight;this.scrollTimer = null;this.reset();};function jsScrollbar (o, s, a, ev) {var self = this;this.reset = function () {//Arguments that were passedthis._parent = o;this._src = s;this.auto = a ? a : false;this.eventHandler = ev ? ev : function () {};//Component Objectsthis._up = this._findComponent("Scrollbar-Up", this._parent);this._down = this._findComponent("Scrollbar-Down", this._parent);this._yTrack = this._findComponent("Scrollbar-Track", this._parent);this._yHandle = this._findComponent("Scrollbar-Handle", this._yTrack);//Height and position propertiesthis._trackTop = findOffsetTop(this._yTrack);this._trackHeight = this._yTrack.offsetHeight;this._handleHeight = this._yHandle.offsetHeight;this._x = 0;this._y = 0;//Misc. variablesthis._scrollDist = 5;this._scrollTimer = null;this._selectFunc = null;this._grabPoint = null;this._tempTarget = null;this._tempDistX = 0;this._tempDistY = 0;this._disabled = false;this._ratio = (this._src.totalHeight - this._src.viewableHeight)/(this._trackHeight - this._handleHeight);this._yHandle.ondragstart = function () {return false;};this._yHandle.onmousedown = function () {return false;};if(window.event){ this._addEvent(this._src.content, "mousewheel", this._scrollbarWheel);}//W3C else{this._addEvent(this._src.content, "DOMMouseScroll", this._scrollbarWheel);}this._removeEvent(this._parent, "mousedown", this._scrollbarClick);this._addEvent(this._parent, "mousedown", this._scrollbarClick);this._src.reset();with (this._yHandle.style) {top = "0px";left = "0px";}this._moveContent();if (this._src.totalHeight < this._src.viewableHeight) {this._disabled = true;this._yHandle.style.visibility = "hidden";if (this.auto) this._parent.style.visibility = "hidden";} else {this._disabled = false;this._yHandle.style.visibility = "visible";this._parent.style.visibility = "visible";}};this._addEvent = function (o, t, f) {if (o.addEventListener) o.addEventListener(t, f, false);else if (o.attachEvent) o.attachEvent('on'+ t, f);else o['on'+ t] = f;};this._removeEvent = function (o, t, f) {if (o.removeEventListener) o.removeEventListener(t, f, false);else if (o.detachEvent) o.detachEvent('on'+ t, f);else o['on'+ t] = null;};this._findComponent = function (c, o) {var kids = o.childNodes;for (var i = 0; i < kids.length; i++) {if (kids[i].className && kids[i].className == c) {return kids[i];}}};//Thank you, Quirksmodefunction findOffsetTop (o) {var t = 0;if (o.offsetParent) {while (o.offsetParent) {t += o.offsetTop;o = o.offsetParent;}}return t;};this._scrollbarClick = function (e) {if (self._disabled) return false;e = e ? e : event;if (!e.target) e.target = e.srcElement;if (e.target.className.indexOf("Scrollbar-Up") > -1) self._scrollUp(e);else if (e.target.className.indexOf("Scrollbar-Down") > -1) self._scrollDown(e);else if (e.target.className.indexOf("Scrollbar-Track") > -1) self._scrollTrack(e);else if (e.target.className.indexOf("Scrollbar-Handle") > -1) self._scrollHandle(e);self._tempTarget = e.target;self._selectFunc = document.onselectstart;document.onselectstart = function () {return false;};self.eventHandler(e.target, "mousedown");self._addEvent(document, "mouseup", self._stopScroll, false);return false;};this._scrollbarDrag = function (e) {e = e ? e : event;var t = parseInt(self._yHandle.style.top);var v = e.clientY + document.body.scrollTop - self._trackTop;with (self._yHandle.style) {if (v >= self._trackHeight - self._handleHeight + self._grabPoint)top = self._trackHeight - self._handleHeight +"px";else if (v <= self._grabPoint) top = "0px";else top = v - self._grabPoint +"px";self._y = parseInt(top);}self._moveContent();};this._scrollbarWheel = function (e) {e = e ? e : event;var dir = 0;if (e.wheelDelta >= 120) dir = -1;if (e.wheelDelta <= -120) dir = 1;if(e.detail >=3) dir= 1;if(e.detail <=-3) dir = -1;self.scrollBy(0, dir * 20);e.returnValue = false;};this._startScroll = function (x, y) {this._tempDistX = x;this._tempDistY = y;this._scrollTimer = window.setInterval(function () {self.scrollBy(self._tempDistX, self._tempDistY); }, 40);};this._stopScroll = function () {self._removeEvent(document, "mousemove", self._scrollbarDrag, false);self._removeEvent(document, "mouseup", self._stopScroll, false);if (self._selectFunc) document.onselectstart = self._selectFunc;else document.onselectstart = function () { return true; };if (self._scrollTimer) window.clearInterval(self._scrollTimer);self.eventHandler (self._tempTarget, "mouseup");};this._scrollUp = function (e) {this._startScroll(0, -this._scrollDist);};this._scrollDown = function (e) {this._startScroll(0, this._scrollDist);};this._scrollTrack = function (e) {var curY = e.clientY + document.body.scrollTop;this._scroll(0, curY - this._trackTop - this._handleHeight/2);};this._scrollHandle = function (e) {var curY = e.clientY + document.body.scrollTop;this._grabPoint = curY - findOffsetTop(this._yHandle);this._addEvent(document, "mousemove", this._scrollbarDrag, false);};this._scroll = function (x, y) {if (y > this._trackHeight - this._handleHeight) y = this._trackHeight - this._handleHeight;if (y < 0) y = 0;this._yHandle.style.top = y +"px";this._y = y;this._moveContent();};this._moveContent = function () {this._src.scrollTo(0, Math.round(this._y * this._ratio));};this.scrollBy = function (x, y) {this._scroll(0, (-this._src._y + y)/this._ratio);};this.scrollTo = function (x, y) {this._scroll(0, y/this._ratio);};this.swapContent = function (o, w, h) {// 判断浏览器if(window.event){ this._removeEvent(this._src.content, "mousewheel", this._scrollbarWheel, false);}//W3C else{this._removeEvent(this._src.content, "DOMMouseScroll", this._scrollbarWheel, false);}this._src.swapContent(o, w, h);this.reset();};this.reset();};</script></head><body><div class="box"> <div class="Container"> <div id="Scroller-1"> <div style="left: 0px; top: -596px;" class="Scroller-Container"> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec iaculis, ante et congue feugiat, elit wisi commodo metus, ut commodo ligula enim ac justo. Pellentesque id ligula. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos hymenaeos. Phasellus vitae mi a elit dictum volutpat. Pellentesque nec arcu. Etiam blandit. Phasellus egestas dolor ut lacus. Sed enim justo, sagittis ut, condimentum non, ullamcorper eu, neque. In hac habitasse platea dictumst. Integer ipsum risus, sagittis ac, imperdiet ac, interdum sed, libero. Praesent commodo. Mauris congue, urna eget hendrerit elementum, dolor ligula ultrices neque, in elementum ante erat et elit.</p> <p>Vivamus vehicula. Integer cursus massa et nisl. Morbi pretium sem eget risus. Vestibulum nec est. Donec feugiat purus et ligula. Quisque semper. Sed eu ante. Curabitur suscipit porttitor libero. Nam eros leo, sollicitudin eget, tincidunt vitae, facilisis a, dui. Proin neque. Aliquam erat volutpat. Pellentesque felis.</p> <p>Aliquam consequat. Proin feugiat ultricies dui. Suspendisse mollis dui nec nunc. Nam tristique, ante vitae imperdiet vestibulum, elit nulla rhoncus nisl, vitae tincidunt dolor dui eu mi. In hac habitasse platea dictumst. Nunc blandit dolor vel mauris. Proin wisi. Nam pharetra ultrices tellus. Sed arcu. Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Nullam ultricies semper wisi. Sed nisl. Donec blandit. Nunc vitae urna sed nisl mattis ornare.</p> <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec iaculis, ante et congue feugiat, elit wisi commodo metus, ut commodo ligula enim ac justo. Pellentesque id ligula. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos hymenaeos. Phasellus vitae mi a elit dictum volutpat. Pellentesque nec arcu. Etiam blandit. Phasellus egestas dolor ut lacus. Sed enim justo, sagittis ut, condimentum non, ullamcorper eu, neque. In hac habitasse platea dictumst. Integer ipsum risus, sagittis ac, imperdiet ac, interdum sed, libero. Praesent commodo. Mauris congue, urna eget hendrerit elementum, dolor ligula ultrices neque, in elementum ante erat et elit.</p> <p>Vivamus vehicula. Integer cursus massa et nisl. Morbi pretium sem eget risus. Vestibulum nec est. Donec feugiat purus et ligula. Quisque semper. Sed eu ante. Curabitur suscipit porttitor libero. Nam eros leo, sollicitudin eget, tincidunt vitae, facilisis a, dui. Proin neque. Aliquam erat volutpat. Pellentesque felis.</p> <p>Aliquam consequat. Proin feugiat ultricies dui. Suspendisse mollis dui nec nunc. Nam tristique, ante vitae imperdiet vestibulum, elit nulla rhoncus nisl, vitae tincidunt dolor dui eu mi. In hac habitasse platea dictumst. Nunc blandit dolor vel mauris. Proin wisi. Nam pharetra ultrices tellus. Sed arcu. Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Nullam ultricies semper wisi. Sed nisl. Donec blandit. Nunc vitae urna sed nisl mattis ornare.</p> </div> </div> </div> <div style="visibility: visible;" id="Scrollbar-Container"> <div class="Scrollbar-Track"> <div style="top: 70px; left: 0px; visibility: visible;" class="Scrollbar-Handle"></div> </div> </div></div></body></html> |
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