加以下两句就行了：

response.contentType = "application/vnd.ms-excel"

response.addheader "Content-Disposition", "attachment; filename=测试.xls"

完整代码：

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>

<%

response.contentType = "application/vnd.ms-excel"

response.addheader "Content-Disposition", "attachment; filename=测试.xls"

%>

<table width="800" border="1">

  <tr align="center">

    <td colspan="3">测试</td>

  </tr>

  <tr>

    <td align="center">人类</td>

    <td align="center">兽人</td>

    <td align="center">亡灵</td>

  </tr>

  <tr>

    <td align="center">1000</td>

    <td align="center">500</td>

    <td align="center">500</td>

  </tr>

</table>