Python 报告实验室功能不可用';t生成pdf文件
我正在尝试在jpg图像上绘制字符串,并使用reportlab使其成为pdf格式。 当我这样做的时候,它会起作用:Python 报告实验室功能不可用';t生成pdf文件,python,python-3.x,pdf-generation,reportlab,Python,Python 3.x,Pdf Generation,Reportlab,我正在尝试在jpg图像上绘制字符串,并使用reportlab使其成为pdf格式。 当我这样做的时候,它会起作用: from reportlab.pdfgen import canvas from reportlab.lib.pagesizes import landscape, A4, letter from reportlab.lib.units import cm, inch file = 'test.pdf' name = 'Nita Alexandru Stefan' year =
from reportlab.pdfgen import canvas
from reportlab.lib.pagesizes import landscape, A4, letter
from reportlab.lib.units import cm, inch
file = 'test.pdf'
name = 'Nita Alexandru Stefan'
year = '1993'
c = canvas.Canvas(file, pagesize=landscape(letter))
c.drawImage('cert.jpg', 0*cm, 0*cm, 29*cm, 22*cm)
c.setFont("Times-Roman", 12)
c.setFillColorRGB(0.2578125, 0.2265625, 0.23046875)
c.drawString(500, 374, name)
c.drawString(429, 359, year)
c.showPage()
c.save()
我想创建一个函数并使用dict.get(),当我尝试此操作时,它不会生成任何内容:
from reportlab.pdfgen import canvas
from reportlab.lib.pagesizes import landscape, A4, letter
from reportlab.lib.units import cm, inch
data = dict(name='Nita Alexandru Stefan', year='1993')
def generate_pdf(data, canvas):
file = 'test.pdf'
c = canvas.Canvas(file, pagesize=landscape(letter))
c.drawImage('cert.jpg', 0*cm, 0*cm, 29*cm, 22*cm)
c.setFont("Times-Roman", 12)
c.setFillColorRGB(0.2578125, 0.2265625, 0.23046875)
c.drawString(500, 374, data.get('name', ""))
c.drawString(429, 359, data.get('year', ""))
c.showPage()
c.save()
您知道为什么它不生成任何内容,也不更改以前创建的文件吗?您似乎没有调用
生成pdf函数
电话:
generate_pdf(data, canvas)
函数generate\u pdf
结束后
比如:
好的,我明白了,我如何调用函数来获得想要的结果?
def generate_pdf(data, canvas):
file = 'test.pdf'
c = canvas.Canvas(file, pagesize=landscape(letter))
c.drawImage('cert.jpg', 0*cm, 0*cm, 29*cm, 22*cm)
c.setFont("Times-Roman", 12)
c.setFillColorRGB(0.2578125, 0.2265625, 0.23046875)
c.drawString(500, 374, data.get('name', ""))
c.drawString(429, 359, data.get('year', ""))
c.showPage()
c.save()
generate_pdf(data, canvas)