pyqt 如何将带图片和格式的excel文件转成3*2inch大小的pdf页面文件
时间: 2024-09-25 11:14:13 浏览: 40
在PyQt中,你可以使用`pandas`, `openpyxl`库读取Excel文件,`matplotlib`或`plotly`库绘制图像,并结合`reportlab`或`fpdf`库将内容转换为PDF。以下是简单的步骤:
1. **导入必要的库**:
```python
import pandas as pd
from PIL import Image
import matplotlib.pyplot as plt
from reportlab.pdfgen import canvas
```
2. **读取Excel文件** (假设使用openpyxl):
```python
excel_data = pd.read_excel('input.xlsx')
img_data = excel_data['image_column'].tolist() # 假设有一列包含图片路径
```
3. **处理和加载图片**:
```python
images = [Image.open(img) for img in img_data]
figs = [plt.figure(figsize=(3, 2)) for _ in range(len(images))] # 创建一个图像数组
for i, img in enumerate(images):
figs[i].add_subplot(1, 1, 1).imshow(img)
```
4. **创建PDF并添加图表**:
```python
c = canvas.Canvas('output.pdf', pagesize=(6.0, 9.0)) # 总页数设置为3行2列,总宽高约为3*2 inch * 2
row_num = 0
col_num = 0
for fig in figs:
fig.tight_layout()
fig.savefig(c, format='pdf') # 将当前图表保存到PDF画布上
x, y, w, h = fig.bbox_inches.bounds # 获取图表尺寸
c.drawImage(c.filename, x, y, width=w, height=h) # 添加到canvas
row_num += 1
if row_num == 3:
col_num = 0
row_num = 0
c.showPage() # 切换到新的页面
else:
col_num += 1
c.save()
```
5. **清理临时文件**:
```python
for filename in [c.filename]:
os.remove(filename) # 如果需要,移除临时生成的图表PDF
```
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