web 文件下载（.shp）

1. Open IIS Manager
2. Select MIME Types

3. In the right pane, click Add…
4. Enter the following information:

File Name Extension: .shp
MIME Type: application/octet-stream

5. Click OK
6. .SHP is now available to be referenced in your dashboards.

- See more at: http://centigonknowledge.com/tutorial/configure-iis-for-shp-mime-types/