【教程】如何从 PowerPoint 导出高分辨率(高 dpi)的图片 [附脚本]

如何从 PowerPoint 导出高分辨率（高 dpi）幻灯片 - Office | Microsoft Learn

总结为：改注册表。

顺手写个脚本：

import tkinter as tk
from tkinter import ttk
import winreg
from tkinter import messageboxclass App(tk.Frame):def __init__(self, master=None):super().__init__(master)self.master = masterself.pack()self.version_maps = {"Microsoft  365 ": "16.0","PowerPoint 2019": "16.0","PowerPoint 2016": "16.0","PowerPoint 2013": "15.0","PowerPoint 2010": "14.0","PowerPoint 2007": "12.0","PowerPoint 2003": "11.0",}self.center_window()self.create_widgets()def center_window(self):width = 250height = 200screen_width = self.master.winfo_screenwidth()screen_height = self.master.winfo_screenheight()x = (screen_width - width) // 2y = (screen_height - height) // 2self.master.geometry(f"{width}x{height}+{x}+{y}")self.master.title("PPT改DPI")def create_widgets(self):self.version_label = tk.Label(self, text="选择Office版本:")self.version_label.pack()self.version_var = tk.StringVar(self)self.version_var.set(list(self.version_maps.keys())[0])self.version_combobox = ttk.Combobox(self,textvariable=self.version_var,values=list(self.version_maps.keys()),state="readonly")self.version_combobox.pack()self.value_label = tk.Label(self, text="输入要修改的值:")self.value_label.pack(pady=5)self.value_entry = tk.Entry(self)self.value_entry.insert(0, "96")self.value_entry.pack(pady=5)self.process_button = tk.Button(self, text="执行修改", command=self.process, width=15)self.process_button.pack(pady=5)self.quit_button = tk.Button(self, text="退出", command=self.master.destroy, width=15)self.quit_button.pack(pady=5)def process(self):version = self.version_maps.get(self.version_var.get())input_value = int(self.value_entry.get())# 定义注册表路径和项名reg_path = fr"Software\Microsoft\Office\{version}\PowerPoint\Options"reg_key = "ExportBitmapResolution"try:# 打开注册表项key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, reg_path, 0, winreg.KEY_ALL_ACCESS)except:messagebox.showerror("错误", f"注册表项不存在，请检查: {reg_path}")returntry:# 尝试获取项的值value, reg_type = winreg.QueryValueEx(key, reg_key)if reg_type == winreg.REG_DWORD:# 如果项存在且类型为DWORD32，修改它的值winreg.SetValueEx(key, reg_key, 0, winreg.REG_DWORD, input_value)else:messagebox.showerror("失败", "注册表项类型不符合要求")except FileNotFoundError:# 如果项不存在，创建它并设置为DWORD32类型winreg.SetValueEx(key, reg_key, 0, winreg.REG_DWORD, input_value)# 修改它的值winreg.SetValueEx(key, reg_key, 0, winreg.REG_DWORD, input_value)messagebox.showinfo("成功 ", "修改后的值 =>" + str(winreg.QueryValueEx(key, reg_key)[0]))# 关闭注册表项winreg.CloseKey(key)root = tk.Tk()
app = App(master=root)
app.mainloop()

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