[源码] 用python实现pdf合并工具 附源码和成品

小白自制，大神勿喷，源码如下

import PyPDF2
import os
import tkinter as tk
from tkinter import filedialog
from tkinter import messagebox
from threading import Thread
 
 
# 创建选择输出文件夹的函数
def select_output_folder():
    output_folder_path = filedialog.askdirectory()
    output_folder_entry.delete(0, tk.END)
    output_folder_entry.insert(0, output_folder_path)
 
 
# 创建选择多个PDF文件函数
def select_files_to_merge():
    pdf_files = filedialog.askopenfilenames(filetypes=[("PDF files", "*.pdf")])
    if pdf_files:
        for pdf_file in pdf_files:
            pdf_listbox.insert(tk.END, pdf_file)
 
 
def delete_selected_files():
    selected_indices = pdf_listbox.curselection()
    if selected_indices:
        for index in selected_indices:
            pdf_listbox.delete(index)
 
 
def delete_all_files():
    pdf_listbox.delete(0, tk.END)
 
 
# 合并PDF文件函数
def merge_pdfs():
    pdf_files = pdf_listbox.get(0, tk.END)  # 获取选定的PDF文件列表
    output_folder = output_folder_entry.get()
    custom_filename = custom_filename_entry.get()
 
    if not pdf_files:
        messagebox.showerror("Error", "没有选择要合并的PDF文件。")
        return
 
    def merge_pdfs_in_thread():
        output_filename = os.path.join(output_folder, f"{custom_filename}.pdf")
 
        pdf_merger = PyPDF2.PdfMerger()
 
        for pdf_file in pdf_files:
            with open(pdf_file, "rb") as pdf:
                pdf_merger.append(pdf)
 
        with open(output_filename, "wb") as output_pdf:
            pdf_merger.write(output_pdf)
 
        result_label.config(text="PDF文件已成功合并到 " + output_filename)
        messagebox.showinfo("Success", "PDF文件已成功合并到 " + output_filename)
 
        # 清空选定框内的所有内容
        delete_all_files()
 
        # 清空路径框和文件名框
        output_folder_entry.delete(0, tk.END)
        custom_filename_entry.delete(0, tk.END)
 
    # 创建线程来执行合并操作，避免图形界面卡顿
    merge_thread = Thread(target=merge_pdfs_in_thread)
    merge_thread.start()
 
 
# 显示使用说明的窗口
def show_instructions_window():
    instructions = """使用说明：
    1. 选择需要合并的PDF文件，可以多次选择。
    2. 选择顺序就是合并顺序，选错可以删除。
    3. 选择合并后的位置和合并后的文件名称，点击合并即可。"""
 
    instructions_window = tk.Toplevel(window)
    instructions_window.title("使用说明")
 
    instructions_label = tk.Label(instructions_window, text=instructions, justify="left")
    instructions_label.pack(padx=10, pady=10)
 
 
# 创建主窗口
window = tk.Tk()
window.title("PDF合并工具")
window.geometry("500x620")  # 增加主窗口的大小
 
# 创建使用说明按钮，放在左上角
instructions_button = tk.Button(window, text="使用说明", command=show_instructions_window)
instructions_button.pack(side="top", anchor="nw", padx=10, pady=10)
 
# 创建选择PDF文件按钮
select_button = tk.Button(window, text="选择需要合并的PDF文件", command=select_files_to_merge)
select_button.pack(padx=10, pady=10)
 
# 创建一个框架来容纳 PDF 文件列表框和滚动条
frame = tk.Frame(window)
frame.pack(padx=10, pady=5, fill="both", expand=True)
 
# 创建PDF文件列表框，放在框架内
pdf_listbox = tk.Listbox(frame, selectmode=tk.MULTIPLE)
pdf_listbox.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
 
# 创建一个垂直滚动条
scrollbar = tk.Scrollbar(frame, orient=tk.VERTICAL, command=pdf_listbox.yview)
scrollbar.pack(side=tk.RIGHT, fill=tk.Y)
pdf_listbox.config(yscrollcommand=scrollbar.set)
 
# 创建删除选定文件按钮
delete_button = tk.Button(window, text="删除选定文件", command=delete_selected_files)
delete_button.pack(side="top", anchor="nw", padx=10, pady=10)
 
# 创建删除全部文件按钮
delete_all_button = tk.Button(window, text="删除全部文件", command=delete_all_files)
delete_all_button.pack(side="top", anchor="nw", padx=10, pady=10)
 
# 创建选择合并后存放路径按钮
output_select_button = tk.Button(window, text="选择合并后存放路径", command=select_output_folder)
output_select_button.pack(padx=10, pady=10)
 
# 创建合并后存放路径输入框
output_folder_entry = tk.Entry(window)
output_folder_entry.pack(padx=10, pady=5, fill="x")
 
# 创建自定义合并文件名输入框
custom_filename_label = tk.Label(window, text="合并后的文件名:")
custom_filename_label.pack(padx=10, pady=10)
 
custom_filename_entry = tk.Entry(window)
custom_filename_entry.pack(padx=10, pady=10)
 
# 创建合并按钮，更改按钮颜色
merge_button = tk.Button(window, text="合并PDF", command=merge_pdfs, bg="green", fg="white")
merge_button.pack(side="bottom", anchor="se", padx=10, pady=20)
 
# 创建结果显示标签
result_label = tk.Label(window, text="")
result_label.pack(padx=10, pady=10)
 
# 主循环
window.mainloop()

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