How to set a pdf background color? [closed]

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I want to generate a p d f with report lab. I need to change the background color of the exported p d f ( not FONT color, BACKGROUND color ). Thanks!

回答1:

from reportlab.pdfgen import canvas
from reportlab.lib.pagesizes import A4


c=canvas.Canvas("Background",pagesize=A4)
c.setFillColorRGB(1,0,0)
c.rect(5,5,652,792,fill=1)
c.setTitle("Background")
c.showPage()
c.save()

来源：https://stackoverflow.com/questions/57412087/how-to-set-a-pdf-background-color