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JQuery實(shí)現(xiàn)左右滾動(dòng)菜單特效

 更新時(shí)間：2015年09月28日 17:01:37   投稿：lijiao  
這篇文章主要介紹了jquery實(shí)現(xiàn)左右滑動(dòng)菜單效果代碼，涉及jquery鼠標(biāo)事件相關(guān)技巧，具有一定參考借鑒價(jià)值，需要的朋友可以參考下

 經(jīng)過了半天的時(shí)間，這個(gè)使用JQuery開發(fā)出來的左右滾動(dòng)菜單功能也算是完成了，暫時(shí)還沒有發(fā)現(xiàn)錯(cuò)誤的現(xiàn)象?，F(xiàn)在把代碼完整的代碼拿出來分享！

scrollable.js

JQuery左右滾動(dòng)菜單特效腳本代碼引用片段：

scrollable = function(content, render, options, beforeScroll) { 
 /* 
  * @author: selfimpr 
  * @blog: http://blog.csdn.net/lgg201 
  * @e-mail: lgg860911@yahoo.com.cn 
  * 
  * 注意: 
  *  1. content必須自己指定寬度. 如果其中的元素使用塊元素, 請(qǐng)使用float: left向左浮動(dòng). 
  *  2. 使用時(shí), 盡量自定義樣式, 由于本人水平欠佳, 不能作出更加通用的東西, 呵呵. 
  * 
  * 參數(shù)解釋 
  * content: 內(nèi)容元素, 可以是選擇器或JQUERY封裝的DOM元素 
  * render: 渲染到的目標(biāo)容器, 可以是選擇器或JQUERY封裝的DOM元素 
  * options: 選項(xiàng) 
  *  scrollable_class: 整體scrollable的外框架樣式 , 默認(rèn): ui-scrollable 
  *  scrollable_left_class: 左按鈕的樣式, 默認(rèn): ui-scrollable-left 
  *  scrollable_container_class: 內(nèi)容容器的樣式, 默認(rèn): ui-scrollable-container 
  *  scrollable_right_class: 右按鈕的樣式, 默認(rèn): ui-scrollable-right 
  *  delay: 鼠標(biāo)放上或點(diǎn)擊按鈕時(shí)兩次移動(dòng)之間的時(shí)間間隔, 整數(shù) 
  *  speed: 鼠標(biāo)放上按鈕時(shí), 一次移動(dòng)的距離, 整數(shù) 
  *  speedup: 鼠標(biāo)點(diǎn)下按鈕時(shí), 一次移動(dòng)的距離, 整數(shù) 
  *  resizeEvent: 是否監(jiān)聽窗口改變大小的事件, 布爾值, 
  *   監(jiān)聽窗口改變大小時(shí), 在刷新頁面后, 感覺顯示有點(diǎn)別扭, 所以默認(rèn)了false 
  * beforeScroll: 內(nèi)容滾動(dòng)時(shí)候的事件回調(diào)方法. 
  *  接受參數(shù)(兩個(gè)對(duì)象): 第一個(gè)是滾動(dòng)前內(nèi)容左右位置, 第二個(gè)是滾動(dòng)后內(nèi)容左右位置. 
  *  注意: 該事件可以使內(nèi)容不受邊界限制的滾動(dòng). 
  */ 
 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左右滾動(dòng)菜單特效頁面代碼引用片段：

<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 
<title>JQuery左右滾動(dòng)菜單特效</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" class="scrollable-render"></div> 
 <div id="scrollable_content" class="ui-scrollable-content"> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單一</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單二</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單三</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單四</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單五</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單六</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單七</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單八</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單九</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單十</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單一</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單二</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單三</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單四</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單五</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單六</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單七</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單八</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單九</div> 
   <div class="button_right"></div> 
  </div> 
  <div class="button"> 
   <div class="button_left"></div> 
   <div class="button_center">菜單十</div> 
   <div class="button_right"></div> 
  </div> 
 </div>
</center> 
</body> 
</html>

當(dāng)然，我們還需要引用JQuery框架文件，我這里用的是jquery-1.4.2.min.js，自己可以在網(wǎng)上搜索下載，我就不上傳到這里了。整個(gè)JQuery左右滾動(dòng)菜單特效就是這個(gè)樣子了，自己覺得還行，希望能幫到一些有需要的朋友。

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