搜索图片（或PDF或其他附件类型）的选项

[Canapin (Coin-coin le Canapin)]

You can’t return results as an image gallery, but you can search for posts containing uploads with specific extensions.

Type filetypes:pdf in the search field
You can search for multiple file extensions with filetypes:pdf,png,mp3, for instance.

It’s not available directly from the advanced search form and is found here:

Search tips and tricks

Discourse’s search capability is feature-rich. It comes with many of filters and criteria. When you use these from the advanced search form, it automatically appends the relevant syntax to your query. For instance, if you select In my messages, it will append in:personal to your search query. This topic aims to list other filters that aren’t available in the advanced search form, filter aliases, results orders and other search-related tips and tricks. It will not cover filters available from…