thinkPHP实现的联动菜单功能详解

<div id="newCat">
  <div class="all_type" id="allGoogsCat">所有商品分类</div>
  <div class="spfl-warp <?php if(CONTROLLER_NAME != 'Index' || ACTION_NAME != 'index'){echo 'hide';} ?> ">
    <div class="index-spfl-left" id="divCatList">
      <ul>
        <foreach name="category_menu" key="one" item="v">
        <li class="li{$one+1}">
          <span><em></em>
            <a href="{:U('Category/index',array('id'=>$v['category_id'],'level'=>1))}" rel="external nofollow" >{$v.category_name}</a>
          </span>
          <div class="div none">
            <foreach name="v['childs']" key="two" item="v2">
              <dl>
                <dt>
                  <a href="{:U('Category/index',array('id'=>$v2['category_id'],'level'=>2))}" rel="external nofollow" >{$v2.category_name}</a>
                </dt>
                <dd class="fl">
                  <foreach name="v2['childs']" item="v3">
                    <a href="{:U('Category/index',array('id'=>$v3['category_id'],'level'=>3))}" rel="external nofollow" >
                      {$v3.category_name}
                    </a>
                  </foreach>
                </dd>
                <div class="cl"></div>
              </dl>
            </foreach>
          </div>
        </li>
      </foreach>
    </ul>
  </div>
  </div>
</div>
<script type="text/javascript">
<?php if(CONTROLLER_NAME != 'Index' || ACTION_NAME != 'index'){ ?>
  //商品分类鼠标滑过
  function spflHover() {
    $(".index-spfl-left ul li").live("mouseover", function () {
      $(this).addClass("active").siblings().removeClass("active");
      $(".index-spfl-left").find(".div").hide();
      $(this).find(".div").show();
    }).live("mouseout", function () {
      $(this).removeClass("active");
      $(".index-spfl-left").find(".div").hide();
      $(this).find(".div").hide();
    });
    //鼠标滑过分类显示
    $("#newCat").mouseover(function () {
      $(".spfl-warp").show();
    }).mouseout(function () {
      if ($("#ismain").val() == "1") {
        $(".spfl-warp").show();
      } else {
        $(".spfl-warp").hide();
      }
    })
  }
  spflHover();
<?php } ?>
</script>

Array
(
 [0] => Array
  (
   [category_id] => 84
   [category_name] => 家装主材
   [parent_id] => 0
   [listorder] => 200
   [display] => 1
   [childs] => Array
    (
     [0] => Array
      (
       [category_id] => 85
       [category_name] => 厨卫
       [parent_id] => 84
       [listorder] => 200
       [display] => 1
       [childs] => Array
        (
         [0] => Array
          (
           [category_id] => 99
           [category_name] => 厨盆/水槽
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [1] => Array
          (
           [category_id] => 98
           [category_name] => 卫浴配件
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [2] => Array
          (
           [category_id] => 97
           [category_name] => 卫浴龙头
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [3] => Array
          (
           [category_id] => 96
           [category_name] => 龙头
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [4] => Array
          (
           [category_id] => 95
           [category_name] => 淋浴房
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [5] => Array
          (
           [category_id] => 94
           [category_name] => 智能坐便器
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [6] => Array
          (
           [category_id] => 93
           [category_name] => 浴室柜
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [7] => Array
          (
           [category_id] => 92
           [category_name] => 坐便器
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [8] => Array
          (
           [category_id] => 91
           [category_name] => 浴霸
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [9] => Array
          (
           [category_id] => 90
           [category_name] => 地漏
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [10] => Array
          (
           [category_id] => 89
           [category_name] => 坐便器盖板
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [11] => Array
          (
           [category_id] => 88
           [category_name] => 洗面盆
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [12] => Array
          (
           [category_id] => 87
           [category_name] => 角阀
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [13] => Array
          (
           [category_id] => 100
           [category_name] => 卫浴五金
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [14] => Array
          (
           [category_id] => 101
           [category_name] => 厨房挂件/配件
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [15] => Array
          (
           [category_id] => 86
           [category_name] => 淋浴花洒
           [parent_id] => 85
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
        )
      )
     [1] => Array
      (
       [category_id] => 126
       [category_name] => 墙纸
       [parent_id] => 84
       [listorder] => 200
       [display] => 1
       [childs] => Array
        (
         [0] => Array
          (
           [category_id] => 130
           [category_name] => 3D墙纸
           [parent_id] => 126
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [1] => Array
          (
           [category_id] => 129
           [category_name] => 纯纸墙纸
           [parent_id] => 126
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )
         [2] => Array
          (
           [category_id] => 128
           [category_name] => PVC墙纸
           [parent_id] => 126
           [listorder] => 200
           [display] => 1
           [childs] => Array
            (
            )
          )