[Feature] specify border on each side

[felix-fuin]

What problem does this feature solve?

Hi,

Related to this ticket, it could be great to specify the border width on each side, for example on a bar chart, in order to realize design like this with a top border:

Thanks

What does the proposed API look like?

Something like this should be great:

itemStyle: { borderWidth: [1, 0, 0, 0] }

[Ovilia]

An easy way to do this is to create a stacked bar with silent: true.

[Ovilia]

Here's a demo

[felix-fuin]

Thanks for this workaround, it works great!