http://fason.nease.net/zhuanti/tree/simpletree/tree.htm

解决方案 »

  1.   

    http://www.csdn.net/Develop/read_article.asp?id=16536给你一个简单的:
    -------------------------------------
    <table>
      <tr onclick="if(this.nextSibling.style.display=='none')this.nextSibling.style.display='block';else this.nextSibling.style.display='none'">
        <td>菜单一</td>
      </tr>
      <tr style="display:none">
        <td>
          <table>
            <tr>
              <td>子菜单一</td>
            </tr>
            <tr>
              <td>子菜单二</td>
            </tr>
        </td>
      </tr>
    </table>
    ----------------------------------------