pip install PyPDF2

import PyPDF2
import os

# 創(chuàng)建一個(gè)空的PDF寫入器
merger = PyPDF2.PdfMerger()

# 定義文件夾路徑
folder_path = r"C:\Users\你的用戶名\Desktop\待合并"

# 獲取文件夾里所有PDF文件，并按文件名排序
pdf_files = [f for f in os.listdir(folder_path) if f.endswith('.pdf')]
pdf_files.sort()

# 逐個(gè)添加到合并器
for pdf in pdf_files:
    full_path = os.path.join(folder_path, pdf)
    merger.append(full_path)

# 寫出合并后的文件
output_path = os.path.join(folder_path, "合并結(jié)果.pdf")
merger.write(output_path)
merger.close()

print(f"合并完成，文件保存在：{output_path}")

# 手動(dòng)指定順序
pdf_files = ["簽到表.pdf", "小組報(bào)告.pdf", "財(cái)務(wù)憑證.pdf"]

for pdf in pdf_files:
    full_path = os.path.join(folder_path, pdf)
    if os.path.exists(full_path):
        merger.append(full_path)
    else:
        print(f"警告：找不到文件 {pdf}")

# 只合并第3到第7頁(yè)（頁(yè)碼從0開始）
merger.append("報(bào)告.pdf", pages=(2, 7))

# 先讀取文件
reader = PyPDF2.PdfReader("報(bào)告.pdf")
# 只取第1頁(yè)、第3頁(yè)、第5頁(yè)
pages_to_take = [0, 2, 4]
for page_num in pages_to_take:
    merger.append(reader.pages[page_num])

import PyPDF2
import os

merger = PyPDF2.PdfMerger()
root_folder = r"C:\Users\你的用戶名\Desktop\各部門報(bào)告"

# 遍歷所有子文件夾
for folder_path, subfolders, files in os.walk(root_folder):
    for file in files:
        if file.endswith('.pdf'):
            full_path = os.path.join(folder_path, file)
            merger.append(full_path)
            print(f"已添加：{full_path}")

merger.write(os.path.join(root_folder, "全部合并.pdf"))
merger.close()

merger = PyPDF2.PdfMerger()

for pdf in pdf_files:
    # 記錄當(dāng)前總頁(yè)數(shù)，作為書簽的起始位置
    merger.append(pdf)
    # 獲取文件名（不含擴(kuò)展名）作為書簽名稱
    bookmark_name = os.path.splitext(pdf)[0]
    # 在最后添加的書簽位置插入書簽
    # 這里需要先獲取當(dāng)前總頁(yè)數(shù)，PyPDF2的add_bookmark方法需要知道頁(yè)碼

pip install pypdf

from pypdf import PdfWriter, PdfReader

writer = PdfWriter()

for pdf in pdf_files:
    reader = PdfReader(pdf)
    # 記錄添加之前的頁(yè)數(shù)
    start_page = len(writer.pages)
    # 添加所有頁(yè)面
    for page in reader.pages:
        writer.add_page(page)
    # 添加書簽，指向這個(gè)文件的第一頁(yè)
    bookmark_name = os.path.splitext(pdf)[0]
    writer.add_outline_item(bookmark_name, start_page)

with open("帶書簽的合并文件.pdf", "wb") as f:
    writer.write(f)

reader = PyPDF2.PdfReader("加密文件.pdf")
if reader.is_encrypted:
    reader.decrypt("你的密碼")

# 先每10個(gè)文件合并成一個(gè)臨時(shí)文件
batch_size = 10
temp_files = []

for i in range(0, len(pdf_files), batch_size):
    batch = pdf_files[i:i+batch_size]
    temp_writer = PyPDF2.PdfMerger()
    for pdf in batch:
        temp_writer.append(os.path.join(folder_path, pdf))
    temp_name = f"temp_{i}.pdf"
    temp_writer.write(temp_name)
    temp_writer.close()
    temp_files.append(temp_name)

# 再合并所有臨時(shí)文件
final_merger = PyPDF2.PdfMerger()
for temp in temp_files:
    final_merger.append(temp)
final_merger.write("最終合并.pdf")
final_merger.close()

# 清理臨時(shí)文件
import os
for temp in temp_files:
    os.remove(temp)

import tkinter as tk
from tkinter import filedialog, messagebox
import PyPDF2
import os

def merge_pdfs():
    # 讓用戶選擇文件夾
    folder = filedialog.askdirectory()
    if not folder:
        return
    
    # 獲取所有PDF文件
    pdf_files = [f for f in os.listdir(folder) if f.lower().endswith('.pdf')]
    if not pdf_files:
        messagebox.showwarning("提示", "該文件夾中沒有PDF文件")
        return
    
    pdf_files.sort()
    
    # 合并
    merger = PyPDF2.PdfMerger()
    for pdf in pdf_files:
        full_path = os.path.join(folder, pdf)
        merger.append(full_path)
    
    output_path = os.path.join(folder, "合并結(jié)果.pdf")
    merger.write(output_path)
    merger.close()
    
    messagebox.showinfo("完成", f"合并完成！\n文件保存在：{output_path}")

# 創(chuàng)建窗口
root = tk.Tk()
root.title("PDF合并工具")
root.geometry("300x150")

btn = tk.Button(root, text="選擇文件夾并合并PDF", command=merge_pdfs, height=3, width=25)
btn.pack(expand=True)

root.mainloop()

from pypdf import PdfWriter, PdfReader

reader = PdfReader("大文件.pdf")
writer = PdfWriter()

for page in reader.pages:
    # 壓縮頁(yè)面內(nèi)容
    page.compress_content_streams()
    writer.add_page(page)

with open("壓縮后.pdf", "wb") as f:
    writer.write(f)

def is_valid_pdf(filepath):
    try:
        with open(filepath, 'rb') as f:
            reader = PyPDF2.PdfReader(f)
            # 嘗試獲取頁(yè)數(shù)，如果出錯(cuò)說(shuō)明文件有問題
            _ = len(reader.pages)
        return True
    except:
        return False

# 只添加有效的PDF
for pdf in pdf_files:
    full_path = os.path.join(folder_path, pdf)
    if is_valid_pdf(full_path):
        merger.append(full_path)
    else:
        print(f"跳過(guò)無(wú)效文件：{pdf}")

import logging

logging.basicConfig(filename='merge_log.txt', level=logging.INFO, 
                    format='%(asctime)s - %(message)s')

for pdf in pdf_files:
    try:
        full_path = os.path.join(folder_path, pdf)
        merger.append(full_path)
        logging.info(f"成功添加：{pdf}")
    except Exception as e:
        logging.error(f"添加失敗：{pdf}，錯(cuò)誤信息：{str(e)}")