我正在尝试跟随这个tutorial,具体来说是Tuto 2,但是我一直收到以下错误,并且不知道为什么。我从教程中复制并粘贴了代码。我使用的是2.5.2版本。
ValueError: 参数“new_x”的值无效(0),必须是Enum XPos的实例。
from fpdf import FPDF
class PDF(FPDF):
def header(self):
# Rendering logo:
self.image("logo.png", 10, 8, 33)
# Setting font: helvetica bold 15
self.set_font("helvetica", "B", 15)
# Moving cursor to the right:
self.cell(80)
# Printing title:
self.cell(30, 10, "Title", 1, 0, "C")
# Performing a line break:
self.ln(20)
def footer(self):
# Position cursor at 1.5 cm from bottom:
self.set_y(-15)
# Setting font: helvetica italic 8
self.set_font("helvetica", "I", 8)
# Printing page number:
self.cell(0, 10, f"Page {self.page_no()}/{{nb}}", 0, 0, "C")
# Instantiation of inherited class
pdf = PDF()
pdf.alias_nb_pages()
pdf.add_page()
pdf.set_font("Times", size=12)
for i in range(1, 41):
pdf.cell(0, 10, f"Printing line number {i}", 0, 1)
pdf.output("tuto2.pdf")