[原创]菜单制作学习一个小东西

　　提示菜单用的东西，我想学习一下，一个小东西，研究一下

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<div id="menudiv" style="z-index:2;position:absolute;visibility:hidden;background-color:green;color:white;">大家好啊</div> 
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<a href="" _ewebeditor_ta_href="" onmouseover="showMenu()" onmouseout="hideMenu()">管理资源吧</a> 
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