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+#!/usr/bin/env python3
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+# -*- coding: utf-8 -*-
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+"""
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+PDF 条码合成工具（单文件输入，每页独立输出）
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+模板为图片，嵌入到输入文件每一页的指定位置
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+"""
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+
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+import tkinter as tk
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+from tkinter import ttk, filedialog, scrolledtext
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+import os
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+import json
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+import re
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+import threading
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+import fitz # PyMuPDF
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+from PIL import Image
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+
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+CONFIG_FILE = "pdf_merge_config.json"
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+
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+
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+class PDFMergeApp:
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+ def __init__(self, root):
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+ self.root = root
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+ self.root.title("PDF 条码合成工具")
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+ self.root.geometry("780x600")
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+ self.root.minsize(700, 500)
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+
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+ # 路径变量
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+ self.input_var = tk.StringVar()
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+ self.template_var = tk.StringVar()
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+ self.output_var = tk.StringVar()
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+
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+ # 缩放与偏移变量
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+ self.scale_var = tk.StringVar(value="100")
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+ self.offset_x_var = tk.StringVar(value="0")
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+ self.offset_y_var = tk.StringVar(value="110")
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+
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+ self.build_ui()
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+ self.load_config()
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+
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+ def build_ui(self):
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+ main_frame = ttk.Frame(self.root, padding="12")
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+ main_frame.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S))
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+
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+ self.root.columnconfigure(0, weight=1)
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+ self.root.rowconfigure(0, weight=1)
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+ main_frame.columnconfigure(1, weight=1)
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+
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+ # 输入文件
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+ ttk.Label(main_frame, text="输入文件：").grid(row=0, column=0, sticky=tk.W, pady=6)
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+ ttk.Entry(main_frame, textvariable=self.input_var).grid(row=0, column=1, sticky=(tk.W, tk.E), padx=6)
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+ ttk.Button(main_frame, text="浏览…", width=10, command=self.select_input).grid(row=0, column=2, padx=4)
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+
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+ # 模板文件（图片）
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+ ttk.Label(main_frame, text="模板图片：").grid(row=1, column=0, sticky=tk.W, pady=6)
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+ ttk.Entry(main_frame, textvariable=self.template_var).grid(row=1, column=1, sticky=(tk.W, tk.E), padx=6)
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+ ttk.Button(main_frame, text="浏览…", width=10, command=self.select_template).grid(row=1, column=2, padx=4)
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+
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+ # 输出文件夹
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+ ttk.Label(main_frame, text="输出文件夹：").grid(row=2, column=0, sticky=tk.W, pady=6)
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+ ttk.Entry(main_frame, textvariable=self.output_var).grid(row=2, column=1, sticky=(tk.W, tk.E), padx=6)
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+ ttk.Button(main_frame, text="浏览…", width=10, command=self.select_output).grid(row=2, column=2, padx=4)
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+
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+ # 参数配置区域
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+ param_frame = ttk.LabelFrame(main_frame, text="合成参数（自动保存）", padding="10")
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+ param_frame.grid(row=3, column=0, columnspan=3, sticky=(tk.W, tk.E), pady=10)
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+
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+ ttk.Label(param_frame, text="缩放比例（% 页面宽）：").grid(row=0, column=0, sticky=tk.W, padx=4)
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+ ttk.Entry(param_frame, textvariable=self.scale_var, width=10).grid(row=0, column=1, sticky=tk.W, padx=4)
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+ ttk.Label(param_frame, text="例：100 = 模板宽度填满页面").grid(row=0, column=2, sticky=tk.W, padx=4)
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+
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+ ttk.Label(param_frame, text="X 偏移（点）：").grid(row=1, column=0, sticky=tk.W, padx=4, pady=6)
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+ ttk.Entry(param_frame, textvariable=self.offset_x_var, width=10).grid(row=1, column=1, sticky=tk.W, padx=4, pady=6)
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+ ttk.Label(param_frame, text="左上角水平偏移，0 表示贴左边").grid(row=1, column=2, sticky=tk.W, padx=4, pady=6)
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+
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+ ttk.Label(param_frame, text="Y 偏移（点）：").grid(row=2, column=0, sticky=tk.W, padx=4)
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+ ttk.Entry(param_frame, textvariable=self.offset_y_var, width=10).grid(row=2, column=1, sticky=tk.W, padx=4)
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+ ttk.Label(param_frame, text="左上角垂直偏移，0 表示贴顶部").grid(row=2, column=2, sticky=tk.W, padx=4)
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+
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+ # 开始按钮
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+ btn_frame = ttk.Frame(main_frame)
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+ btn_frame.grid(row=4, column=0, columnspan=3, pady=10)
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+ self.start_btn = ttk.Button(btn_frame, text="▶ 开始处理", command=self.start_process)
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+ self.start_btn.pack()
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+
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+ # 日志区域
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+ ttk.Label(main_frame, text="处理日志：").grid(row=5, column=0, sticky=tk.W, pady=(8, 0))
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+ self.log_text = scrolledtext.ScrolledText(
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+ main_frame, height=18, wrap=tk.WORD, state=tk.NORMAL, font=("Consolas", 10)
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+ )
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+ self.log_text.grid(row=6, column=0, columnspan=3, sticky=(tk.W, tk.E, tk.N, tk.S), pady=4)
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+ main_frame.rowconfigure(6, weight=1)
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+
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+ # 参数变更自动保存
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+ for var in (self.scale_var, self.offset_x_var, self.offset_y_var):
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+ var.trace_add("write", lambda *args: self.save_config())
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+
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+ # ---------- 路径选择 ----------
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+ def select_input(self):
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+ file_path = filedialog.askopenfilename(filetypes=[("PDF 文件", "*.pdf")])
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+ if file_path:
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+ self.input_var.set(file_path)
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+ self.save_config()
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+
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+ def select_template(self):
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+ file_path = filedialog.askopenfilename(
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+ filetypes=[
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+ ("图片文件", "*.png *.jpg *.jpeg *.bmp *.gif *.tiff *.webp"),
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+ ("PNG 图片", "*.png"),
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+ ("JPEG 图片", "*.jpg *.jpeg"),
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+ ("所有文件", "*.*")
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+ ]
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+ )
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+ if file_path:
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+ self.template_var.set(file_path)
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+ self.save_config()
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+
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+ def select_output(self):
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+ folder = filedialog.askdirectory()
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+ if folder:
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+ self.output_var.set(folder)
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+ self.save_config()
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+
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+ # ---------- 配置持久化 ----------
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+ def save_config(self):
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+ config = {
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+ "input_file": self.input_var.get(),
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+ "template": self.template_var.get(),
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+ "output_dir": self.output_var.get(),
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+ "scale_percent": self.scale_var.get(),
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+ "offset_x": self.offset_x_var.get(),
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+ "offset_y": self.offset_y_var.get(),
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+ }
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+ try:
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+ with open(CONFIG_FILE, "w", encoding="utf-8") as f:
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+ json.dump(config, f, ensure_ascii=False, indent=2)
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+ except Exception:
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+ pass
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+
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+ def load_config(self):
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+ if not os.path.exists(CONFIG_FILE):
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+ return
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+ try:
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+ with open(CONFIG_FILE, "r", encoding="utf-8") as f:
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+ config = json.load(f)
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+ self.input_var.set(config.get("input_file", ""))
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+ self.template_var.set(config.get("template", ""))
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+ self.output_var.set(config.get("output_dir", ""))
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+ self.scale_var.set(config.get("scale_percent", "100"))
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+ self.offset_x_var.set(config.get("offset_x", "0"))
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+ self.offset_y_var.set(config.get("offset_y", "0"))
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+ except Exception:
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+ pass
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+
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+ # ---------- 日志 ----------
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+ def log(self, msg):
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+ self.log_text.insert(tk.END, msg + "\n")
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+ self.log_text.see(tk.END)
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+ self.root.update_idletasks()
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+
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+ # ---------- 文字提取 ----------
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+ def extract_text(self, page):
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+ text = page.get_text().strip()
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+ if len(text) >= 2:
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+ return text
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+ try:
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+ import pytesseract
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+ pix = page.get_pixmap(dpi=300)
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+ mode = "RGBA" if pix.alpha else "RGB"
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+ img = Image.frombytes(mode, [pix.width, pix.height], pix.samples)
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+ if mode == "RGBA":
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+ img = img.convert("RGB")
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+ text = pytesseract.image_to_string(img, lang="chi_sim+eng").strip()
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+ return text
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+ except Exception:
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+ return ""
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+
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+ def get_filename_from_text(self, text):
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+ """
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+ 取第一段 + 第四段文字作为文件名
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+ 如果第四段不存在，只用第一段
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+ 如果第一段也不存在，返回空字符串
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+ """
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+ if not text:
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+ return ""
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+ lines = [ln.strip() for ln in text.splitlines() if ln.strip()]
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+ if not lines:
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+ return ""
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+ first = lines[0]
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+ fourth = lines[4] if len(lines) >= 5 else ""
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+ fourth = fourth.replace("¨", "0")
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+ fourth = fourth.replace("©", "1")
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+ fourth = fourth.replace("ª", "2")
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+ fourth = fourth.replace("«", "3")
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+ fourth = fourth.replace("°2", "4")
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+ fourth = fourth.replace("°2", "5")
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+ fourth = fourth.replace("®", "6")
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+ fourth = fourth.replace("°2", "7")
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+ fourth = fourth.replace("°", "8")
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+ fourth = fourth.replace("°2", "9")
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+ name = f"{first}_{fourth}" if fourth else first
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+ return self.sanitize_filename(name)
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+
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+ def sanitize_filename(self, text):
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+ if not text:
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+ return ""
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+ name = text[:80] # 限制长度
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+ name = re.sub(r'[\\/:*?"<>|\s]+', "_", name)
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+ return name.strip("._")
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+
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+ # ---------- 核心处理 ----------
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+ def start_process(self):
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+ t = threading.Thread(target=self.process, daemon=True)
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+ t.start()
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+
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+ def process(self):
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+ self.start_btn.config(state=tk.DISABLED)
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+ self.log_text.delete(1.0, tk.END)
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+
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+ input_file = self.input_var.get()
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+ template_file = self.template_var.get()
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+ output_dir = self.output_var.get()
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+
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+ # 解析参数
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+ try:
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+ scale_percent = float(self.scale_var.get().strip() or "100")
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+ offset_x = float(self.offset_x_var.get().strip() or "0")
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+ offset_y = float(self.offset_y_var.get().strip() or "0")
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+ except ValueError:
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+ self.log("❌ 错误：缩放比例、X 偏移、Y 偏移必须是有效数字")
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+ self.start_btn.config(state=tk.NORMAL)
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+ return
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+
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+ if not all([input_file, template_file, output_dir]):
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+ self.log("❌ 错误：请完整填写输入文件、模板图片和输出文件夹")
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+ self.start_btn.config(state=tk.NORMAL)
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+ return
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+ if not os.path.isfile(input_file):
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+ self.log(f"❌ 错误：输入文件不存在：{input_file}")
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+ self.start_btn.config(state=tk.NORMAL)
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+ return
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+ if not os.path.isfile(template_file):
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+ self.log(f"❌ 错误：模板图片不存在：{template_file}")
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+ self.start_btn.config(state=tk.NORMAL)
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+ return
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+ if not os.path.exists(output_dir):
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+ os.makedirs(output_dir, exist_ok=True)
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+
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+ self.log(f"📄 输入文件：{os.path.basename(input_file)}")
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+ self.log(f"🖼 模板图片：{os.path.basename(template_file)}")
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+ self.log(f"⚙ 参数：缩放 {scale_percent}% 宽，偏移 ({offset_x}, {offset_y})\n")
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+
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+ try:
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+ # 获取模板图片尺寸
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+ with Image.open(template_file) as template_img:
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+ template_w, template_h = template_img.size
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+
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+ doc = fitz.open(input_file)
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+ total_pages = len(doc)
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+
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+ if total_pages == 0:
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+ self.log("⚠ 该文件没有页面，已跳过")
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+ doc.close()
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+ self.start_btn.config(state=tk.NORMAL)
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+ return
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+
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+ self.log(f"📑 共 {total_pages} 页，全部处理\n")
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+
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+ for idx in range(total_pages):
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+ page = doc[idx]
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+ page_num = idx + 1
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+
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+ # 从该页提取文字作为文件名
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+ page_text = self.extract_text(page)
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+ safe_name = self.get_filename_from_text(page_text)
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+ if not safe_name:
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+ base = os.path.splitext(os.path.basename(input_file))[0]
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+ safe_name = f"{base}_page{page_num}"
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+
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+ # 创建单页新 PDF
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+ new_doc = fitz.open()
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+ page_rect = page.rect
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+ new_page = new_doc.new_page(width=page_rect.width, height=page_rect.height)
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+
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+ # 1) 输入页作为背景
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+ new_page.show_pdf_page(page_rect, doc, idx, overlay=False)
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+
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+ # 2) 计算模板目标矩形（缩放模板）
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+ target_w = page_rect.width * (scale_percent / 100.0)
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+ scale = target_w / template_w
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+ target_h = template_h * scale
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+ target_rect = fitz.Rect(offset_x, offset_y, offset_x + target_w, offset_y + target_h)
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+
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+ # 3) 叠加模板图片（前景）
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+ new_page.insert_image(target_rect, filename=template_file)
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+
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+ # 保存（自动处理重名）
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+ out_name = f"{safe_name}.pdf"
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+ out_path = os.path.join(output_dir, out_name)
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+ counter = 1
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+ while os.path.exists(out_path):
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+ stem, ext = os.path.splitext(out_name)
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+ out_path = os.path.join(output_dir, f"{stem}_{counter}{ext}")
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+ counter += 1
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+
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+ new_doc.save(out_path)
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+ new_doc.close()
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+
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+ self.log(f"✔ 第 {page_num} 页 → {os.path.basename(out_path)}")
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+
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+ doc.close()
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+ self.log(f"\n🎉 全部完成！共导出 {total_pages} 个 PDF")
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+
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+ except Exception as e:
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+ self.log(f"\n❌ 发生错误：{str(e)}")
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+
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+ self.start_btn.config(state=tk.NORMAL)
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+
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+
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+if __name__ == "__main__":
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+ root = tk.Tk()
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+ app = PDFMergeApp(root)
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+ root.mainloop()
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PUGE