asp.net 通过web.config 设置默认页

<configuration>    
<system.webServer>
        <defaultDocument>
            <files>
                <clear />
                <add value="index.aspx" />
                <add value="Login.html" />
                <add value="Default.htm" />
                <add value="Default.asp" />
                <add value="index.htm" />
                <add value="iisstart.htm" />
                <add value="default.aspx" />
            </files>
        </defaultDocument>
        <directoryBrowse enabled="true" />
    </system.webServer>
</configuration>