<map id="YSLib::IO::GetExtensionOf" name="YSLib::IO::GetExtensionOf">
<area shape="rect" id="node1" title="取扩展名。" alt="" coords="5,5,181,32"/>
<area shape="rect" id="node2" href="$d7/d04/a01246.xhtml#a390c49f6ef62a054663a9989aa1257a9" title="取后缀子字符串。" alt="" coords="229,5,359,32"/>
</map>
