经过了半天的时间，这个使用JQuery开发出来的左右滚动菜单功能也算是完成了，暂时还没有发现错误的现象。现在把代码完整的代码拿出来分享！

scrollable.js

JQuery左右滚动菜单特效脚本代码引用片段：

scrollable = function(content, render, options, beforeScroll) { /* * @author: selfimpr * @blog: http://blog.csdn.net/lgg201 * @e-mail: lgg860911@yahoo.com.cn * * 注意: * 1. content必须自己指定宽度. 如果其中的元素使用块元素, 请使用float: left向左浮动. * 2. 使用时, 尽量自定义样式, 由于本人水平欠佳, 不能作出更加通用的东西, 呵呵. * * 参数解释 * content: 内容元素, 可以是选择器或JQUERY封装的DOM元素 * render: 渲染到的目标容器, 可以是选择器或JQUERY封装的DOM元素 * options: 选项 * scrollable_class: 整体scrollable的外框架样式 , 默认: ui-scrollable * scrollable_left_class: 左按钮的样式, 默认: ui-scrollable-left * scrollable_container_class: 内容容器的样式, 默认: ui-scrollable-container * scrollable_right_class: 右按钮的样式, 默认: ui-scrollable-right * delay: 鼠标放上或点击按钮时两次移动之间的时间间隔, 整数 * speed: 鼠标放上按钮时, 一次移动的距离, 整数 * speedup: 鼠标点下按钮时, 一次移动的距离, 整数 * resizeEvent: 是否监听窗口改变大小的事件, 布尔值, * 监听窗口改变大小时, 在刷新页面后, 感觉显示有点别扭, 所以默认了false * beforeScroll: 内容滚动时候的事件回调方法. * 接受参数(两个对象): 第一个是滚动前内容左右位置, 第二个是滚动后内容左右位置. * 注意: 该事件可以使内容不受边界限制的滚动. */ options.scrollable_class = options.scrollable_class || 'ui-scrollable'; options.scrollable_left_class = options.scrollable_left_class || 'ui-scrollable-left'; options.scrollable_container_class = options.scrollable_container_class || 'ui-scrollable-container'; options.scrollable_right_class = options.scrollable_right_class || 'ui-scrollable-right'; options.leftText = options.leftText || ''; options.rightText = options.rightText || ''; options.delay = options.delay || 20; options.speed = options.speed || 5; options.speedup = options.speedup || 10; options.resizeEvent = options.resizeEvent || false; var render = (typeof render == 'string' ? $(render) : render); var content = (typeof content == 'string' ? $(content) : content); var scrollable = $('<div></div>') .attr('id', 'scrollable_' + content.attr('id')) .attr('className', options.scrollable_class); var left = $('<div></div>') .attr('id', 'scrollable_left_' + content.attr('id')) .attr('className', options.scrollable_left_class); left.text(options.leftText); var container = $('<div></div>') .attr('id', 'scrollable_container_' + content.attr('id')) .attr('className', options.scrollable_container_class); content.css('line-height', '29px') .css('position', 'relative') .css('left', '0px') .css('overflow', 'hidden') .css('float', 'left'); var right = $('<div></div>') .attr('id', 'scrollable_right_' + content.attr('id')) .attr('className', options.scrollable_right_class); right.text(options.rightText); show = function() { scrollable.appendTo(render); container.appendTo(scrollable); left.css('display', ''); right.css('display', ''); content.appendTo(container); left.prependTo(scrollable); right.appendTo(scrollable); if(content.width() <= container.width() + 20) { scrollable.remove('.' + options.scrollable_left_class); scrollable.remove('.' + options.scrollable_right_class); left.css('display', 'none'); right.css('display', 'none'); container.width(content.width()); scrollable.width(container.width()); } container.position = {left: container.css('left').substr(0, -2)} container.position.right = container.position.left + container.width(); content.position = {left: new Number(content.css('left').substr(0, -2))} content.position.right = content.position.left + content.width(); }; show(); var originalBroswerWidth = document.body.clientWidth; window.onresize = function() { if(options.resizeEvent) { var newBroswerWidth = document.body.clientWidth; var percent = newBroswerWidth / originalBroswerWidth; container.width(container.width() * percent); scrollable.width(container.width() + left.width() + right.width()); show(); } originalBroswerWidth = document.body.clientWidth; } var scroll = false; move = function(distance) { var newLeft = content.position.left + distance; var newRight = content.position.right + distance; if(distance > 0 && newLeft > container.position.left) { distance = container.position.left - content.position.left; scroll = false; } else if(distance < 0 && newRight < container.position.right) { distance = content.position.right - container.position.right; scroll = false; } newLeft = content.position.left + distance; newRight = content.position.right + distance; scorll = beforeScroll ? beforeScroll( {left: content.position.left, right: content.position.right}, {left: newLeft, right: newRight}) : scroll; if(scroll) { content.css('left', newLeft + 'px'); content.position.left += distance; content.position.right += distance; setTimeout('move(' + distance + ')', options.delay); } } left.mouseover(function() { scroll = true; move(options.speed); }); right.mouseover(function() { scroll = true; move(-options.speed); }); left.mouseout(function() { scroll = false; }); right.mouseout(function() { scroll = false; }); left.mousedown(function() { scroll = true; move(options.speedup); }); right.mousedown(function() { scroll = true; move(-options.speedup); }); left.mouseup(function() { scroll = false; }); right.mouseup(function() { scroll = false; }); }

Default.aspx

JQuery左右滚动菜单特效页面代码引用片段：

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JQuery左右滚动菜单特效</title> <script language="javascript" type="text/javascript" src="jquery-1.4.2.min.js"></script> <script language="javascript" type="text/javascript" src="scrollable.js"></script> <style type="text/css"> .scrollable-render{} .button{cursor: hand;} .button:hover > * {background-position: 0 -42px;} .button_left{float: left; background: url(menu_out_left.gif) no-repeat 0 0; width: 4px; height: 26px;} .button_center{float: left; background: url(menu_out_bj.gif) repeat-x 0 0; width: 80px; text-align: center} .button_right{float: left; background: url(menu_out_right.gif) no-repeat 0 0; width: 4px; height: 26px;} .ui-scrollable{width: 800px; height: 29px;} .ui-scrollable-container{float: left; width: 780px; height: inherit; position: relative; overflow: hidden; border-bottom: 1px solid #DDDDDD;} .ui-scrollable-content{float: left; width: 1770px; height: inherit;} .ui-scrollable-left{float: left; background: url(scrollable_left_out.gif) no-repeat 0 0; width: 10px; height:29px; cursor: hand;} .ui-scrollable-right{float: left; background: url(scrollable_right_out.gif) no-repeat 0 0; width: 10px; height:29px; cursor: hand;} .ui-scrollable-left:hover{ float: left; background: url(scrollable_left_on.gif) no-repeat 0 0; width: 10px; height:29px; cursor: hand;} .ui-scrollable-right:hover{float: left; background: url(scrollable_right_on.gif) no-repeat 0 0; width: 10px; height:29px; cursor: hand;} </style> <script type="text/javascript"> $(function() { scrollable('#scrollable_content', '#scrollable_render', { }, function(originalPosition, newPosition) { return true; }); }); </script> </head> <body> <center> <div id="scrollable_render"></div> <div id="scrollable_content"> <div> <div></div> <div>菜单一</div> <div></div> </div> <div> <div></div> <div>菜单二</div> <div></div> </div> <div> <div></div> <div>菜单三</div> <div></div> </div> <div> <div></div> <div>菜单四</div> <div></div> </div> <div> <div></div> <div>菜单五</div> <div></div> </div> <div> <div></div> <div>菜单六</div> <div></div> </div> <div> <div></div> <div>菜单七</div> <div></div> </div> <div> <div></div> <div>菜单八</div> <div></div> </div> <div> <div></div> <div>菜单九</div> <div></div> </div> <div> <div></div> <div>菜单十</div> <div></div> </div> <div> <div></div> <div>菜单一</div> <div></div> </div> <div> <div></div> <div>菜单二</div> <div></div> </div> <div> <div></div> <div>菜单三</div> <div></div> </div> <div> <div></div> <div>菜单四</div> <div></div> </div> <div> <div></div> <div>菜单五</div> <div></div> </div> <div> <div></div> <div>菜单六</div> <div></div> </div> <div> <div></div> <div>菜单七</div> <div></div> </div> <div> <div></div> <div>菜单八</div> <div></div> </div> <div> <div></div> <div>菜单九</div> <div></div> </div> <div> <div></div> <div>菜单十</div> <div></div> </div> </div> </center> </body> </html>

当然，我们还需要引用JQuery框架文件，我这里用的是jquery-1.4.2.min.js，自己可以在网上搜索下载，我就不上传到这里了。整个JQuery左右滚动菜单特效就是这个样子了，自己觉得还行，希望能帮到一些有需要的朋友。