html如何将纵向菜单快速转换成横向菜单,Jquery系列之横向纵向菜单

jsp页面 html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  

•              
•                      菜单项1                 
  •                      
  •                          子菜单项11                                          
  •                          子菜单项12                                      
                            
•                  菜单项2                 
  •                      
  •                          子菜单项21                                          
  •                          子菜单项22                                      
                            
•                  菜单项3                 
  •                      
  •                          子菜单项31                                          
  •                          子菜单项32                                      
                        

•              
•                      菜单项1                 
  •                      
  •                          子菜单项11                                          
  •                          子菜单项12                                      
                            
•                  菜单项2                 
  •                      
  •                          子菜单项21                                          
  •                          子菜单项22                                      
                            
•                  菜单项3                 
  •                      
  •                          子菜单项31                                          
  •                          子菜单项32                                      
                        

css样式ul,li{      /*清除ul和li上默认的小圆点*/     list-style: none;  }   ul {      /*清除子菜单的缩进值*/     padding: 0;      margin: 0;  }  .main,.hmain {      background-image: url(../images/title.gif);      background-repeat: repeat-x;      width: 120px;  }  li {      background-color: #EEEEEE;  }  a {      /*取消所有的下划线*/     text-decoration: none;      padding-left: 20px;      display: block;      display: inline-block;      width: 100px;      padding-top: 3px;      padding-bottom: 3px;  }  .main a, .hmain a {      color: white;      background-image: url(../images/collapsed.gif);      background-repeat: no-repeat;      background-position: 3px center;  }  .main li a, .hmain li a {      color: black;      background-image: none;  }  .main ul, .hmain ul {      display: none;  }  .hmain {      float: left;      margin-right: 1px;  }

Jquery代码

$(document).ready(function(){      //页面中的DOM已经装载完成时，执行的代码      $(".main > a").click(function(){          //找到主菜单项对应的子菜单项          var ulNode = $(this).next("ul");          /*          if (ulNode.css("display") == "none") {              ulNode.css("display","block");          } else {              ulNode.css("display","none");          }          */         //ulNode.show("slow");//normal fast          //ulNode.hide();          //ulNode.toggle();          //          //ulNode.slideDown("slow");          //ulNode.slideUp;          ulNode.slideToggle();          changeIcon($(this));      });      $(".hmain").hover(function(){          $(this).children("ul").slideDown();          changeIcon($(this).children("a"));      },function(){          $(this).children("ul").slideUp();          changeIcon($(this).children("a"));      });  });   /**   * 修改主菜单的指示图标   */ function changeIcon(mainNode) {      if (mainNode) {          if (mainNode.css("background-image").indexOf("collapsed.gif") >= 0) {              mainNode.css("background-image","url('images/expanded.gif')");          } else {              mainNode.css("background-image","url('images/collapsed.gif')");          }      }  }