problem description
during this period of time, the project uses vue+iview to develop the front end, and now you will use the table component of view and its export cvs table function. The type of
header that has merged cells works well with grouping headers on the page.
cvs
there are all kinds of solutions on the Internet, but there are no good answers. Come here and ask if there is a good solution
related codes
/ / Please paste the code text below (do not replace the code with pictures)