How to handle data with large length in html_HTML/Xhtml_Web page production

When displaying long data in HTML, the data can be intercepted and displayed, and the complete data can be displayed when the mouse rolls over.
For example, take the following situation.

Implementation:

Copy the code

The code is as follows:

$ {fn:substring(siteBoardInfoList.boardUrl,0,20)}......${fn:substring(siteBoardInfoList.boardUrl,fn:length(siteBoardInfoList.boardUrl)-21,fn:length(siteBoardInfoList.boardUrl)) }


${siteBoardInfoList.boardUrl}