问题
I need to create a PDF file with table with rounded corners.
I have pdf file with table like this:
And I need to create table with header like on this image:
I already have done work on the table main content and footer structure. It is already with rounded corners.
Just having hard time with creating table header with this kind of structure.
来源：https://stackoverflow.com/questions/43049985/fpdf-create-pdf-with-tree-level-table-header-structure-with-rounded-corners