python 用reportlab生成一个pdf文件,要标题,一段内容,有图片,大概要有两页,要有页码
时间: 2023-06-20 21:04:00 浏览: 102
好的,你可以按照以下步骤使用 reportlab 来生成一个有标题、内容、图片和页码的 PDF 文件:
1. 安装 reportlab 库:
```python
pip install reportlab
```
2. 导入需要的模块:
```python
from reportlab.lib.pagesizes import letter
from reportlab.lib.units import inch
from reportlab.pdfgen import canvas
from reportlab.lib.styles import getSampleStyleSheet
from reportlab.platypus import SimpleDocTemplate, Paragraph, Image, Spacer
from reportlab.lib.enums import TA_CENTER
```
3. 设置样式:
```python
styles = getSampleStyleSheet()
title_style = styles['Title']
subtitle_style = styles['Subtitle']
body_style = styles['BodyText']
```
4. 创建 PDF 文件:
```python
pdf_filename = 'example.pdf'
doc = SimpleDocTemplate(pdf_filename, pagesize=letter)
```
5. 定义页面布局:
```python
# 一页的上下左右边距
frame = doc.frame
frame.leftMargin = 1.5 * inch
frame.rightMargin = 1.5 * inch
frame.bottomMargin = 1.5 * inch
frame.topMargin = 1.5 * inch
# 添加页眉和页脚
template = "<font size=8>%s</font>"
page_num = Paragraph(template % "Page %s" % doc.page, styles["Normal"])
page_num.wrapOn(doc, 0, 0)
page_num.drawOn(doc.canvas, doc.width - 50, doc.bottomMargin - 10)
# 定义页面布局
elements = []
```
6. 添加标题:
```python
title = "Example PDF"
elements.append(Paragraph(title, title_style))
```
7. 添加内容:
```python
content = "This is an example PDF generated by reportlab."
elements.append(Paragraph(content, body_style))
```
8. 添加图片:
```python
image = Image('example.jpg', width=5*inch, height=4*inch)
elements.append(image)
```
9. 添加分页符:
```python
elements.append(Spacer(1, 0.2*inch))
elements.append(Paragraph("<br/><br/><br/><br/>", body_style))
elements.append(PageBreak())
```
10. 将所有内容添加到页面布局中:
```python
doc.build(elements)
```
11. 运行程序,生成 PDF 文件。
完整代码如下:
```python
from reportlab.lib.pagesizes import letter
from reportlab.lib.units import inch
from reportlab.pdfgen import canvas
from reportlab.lib.styles import getSampleStyleSheet
from reportlab.platypus import SimpleDocTemplate, Paragraph, Image, Spacer
from reportlab.lib.enums import TA_CENTER
# 设置样式
styles = getSampleStyleSheet()
title_style = styles['Title']
subtitle_style = styles['Subtitle']
body_style = styles['BodyText']
# 创建 PDF 文件
pdf_filename = 'example.pdf'
doc = SimpleDocTemplate(pdf_filename, pagesize=letter)
# 定义页面布局
frame = doc.frame
frame.leftMargin = 1.5 * inch
frame.rightMargin = 1.5 * inch
frame.bottomMargin = 1.5 * inch
frame.topMargin = 1.5 * inch
# 添加页眉和页脚
template = "<font size=8>%s</font>"
page_num = Paragraph(template % "Page %s" % doc.page, styles["Normal"])
page_num.wrapOn(doc, 0, 0)
page_num.drawOn(doc.canvas, doc.width - 50, doc.bottomMargin - 10)
# 定义页面布局
elements = []
# 添加标题
title = "Example PDF"
elements.append(Paragraph(title, title_style))
# 添加内容
content = "This is an example PDF generated by reportlab."
elements.append(Paragraph(content, body_style))
# 添加图片
image = Image('example.jpg', width=5*inch, height=4*inch)
elements.append(image)
# 添加分页符
elements.append(Spacer(1, 0.2*inch))
elements.append(Paragraph("<br/><br/><br/><br/>", body_style))
elements.append(PageBreak())
# 将所有内容添加到页面布局中
doc.build(elements)
```
运行程序后,你将会得到一个包含标题、内容、图片和页码的 PDF 文件。
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