96 lines
2.8 KiB
Python
96 lines
2.8 KiB
Python
import os
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import comtypes.client
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def ppt_to_pdf_single(ppt_path, pdf_path=None):
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"""
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单个 PPT 转 PDF
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:param ppt_path: PPT 文件路径
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:param pdf_path: PDF 输出路径 (可选，默认同名)
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"""
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ppt_path = os.path.abspath(ppt_path) # COM 接口必须使用绝对路径
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if pdf_path is None:
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pdf_path = os.path.splitext(ppt_path)[0] + ".pdf"
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pdf_path = os.path.abspath(pdf_path)
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if not os.path.exists(ppt_path):
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print(f"文件不存在: {ppt_path}")
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return False
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powerpoint = None
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try:
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# 启动 PowerPoint 应用
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powerpoint = comtypes.client.CreateObject("PowerPoint.Application")
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powerpoint.Visible = 1 # 设为可见，否则某些版本会报错
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# 打开演示文稿
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deck = powerpoint.Presentations.Open(ppt_path)
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# 保存为 PDF (文件格式代码 32 代表 PDF)
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deck.SaveAs(pdf_path, 32)
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deck.Close()
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print(f"转换成功: {pdf_path}")
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return True
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except Exception as e:
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print(f"转换失败: {str(e)}")
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return False
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finally:
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if powerpoint:
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powerpoint.Quit()
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def batch_convert_folder(folder_path):
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"""
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【推荐】批量转换文件夹下的所有 PPT (只启动一次 PowerPoint，速度快)
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"""
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folder_path = os.path.abspath(folder_path)
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if not os.path.exists(folder_path):
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print("文件夹不存在")
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return
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# 获取所有 ppt/pptx 文件
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files = [f for f in os.listdir(folder_path) if f.lower().endswith(('.ppt', '.pptx'))]
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if not files:
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print("没有找到 PPT 文件")
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return
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print(f"发现 {len(files)} 个文件，准备开始转换...")
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powerpoint = None
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try:
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# 1. 启动应用 (只启动一次)
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powerpoint = comtypes.client.CreateObject("PowerPoint.Application")
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# 某些环境下需要设为可见，否则无法运行
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# powerpoint.Visible = 1
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for filename in files:
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ppt_path = os.path.join(folder_path, filename)
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pdf_path = os.path.splitext(ppt_path)[0] + ".pdf"
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# 如果 PDF 已存在，可以选择跳过
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if os.path.exists(pdf_path):
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print(f"[跳过] 已存在: {filename}")
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continue
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print(f"正在转换: {filename} ...")
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try:
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# 打开 -> 另存为 -> 关闭
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deck = powerpoint.Presentations.Open(ppt_path)
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deck.SaveAs(pdf_path, 32)
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deck.Close()
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except Exception as e:
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print(f"文件 {filename} 转换出错: {e}")
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except Exception as e:
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print(f"PowerPoint 进程出错: {e}")
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finally:
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# 2. 退出应用
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if powerpoint:
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powerpoint.Quit()
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print("PowerPoint 已关闭，批量转换完成。")
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