后台管理菜单(左侧)
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<head>
<title>后台管理菜单</title>
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#menu .item ul {border:1px solid #9FACB7;margin:0;width:118px;padding:3px 0px 3px 30px;background:#fff;list-style:none;display:none}
#menu .item ul li {display:block;}
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<ul id="menu">
<li class="item"><a href="javascript:void(0)" class="title" name="1">网站设置</a>
<ul id="opt_1" class="optiton">
<li><a href="#">基本设置</a></li>
<li><a href="#">高级设置</a></li>
</ul>
</li>
<li class="item"><a href="javascript:void(0)" class="title" name="2">生成管理</a>
<ul id="opt_2" class="optiton">
<li><a href="#">生成首页</a></li>
<li><a href="#">生成列表</a></li>
</ul>
</li>
<li class="item"><a href="javascript:void(0)" class="title" name="3">系统管理</a>
<ul id="opt_3" class="optiton">
<li><a href="#">会员管理</a></li>
<li><a href="#">管理员设置</a></li>
<li><a href="#">退出系统</a></li>
</ul>
</li>
</ul>
</body>
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