from wand.image import Image
# 打开PDF文件
with Image(filename="/data/wwwroot/default/asset/bfw.pdf", resolution=300) as img:
# 设置输出图像的大小,这里将宽度固定为800像素,高度随页数自动扩展
img.format = 'png'
img.background_color = 'white'
img.alpha_channel = 'remove'
img.save(filename="/data/wwwroot/default/Data/output_image.png")
print("<img src='/Data/output_image.png' />");
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