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import tkinter as tk
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from tkinter import messagebox, filedialog, simpledialog, ttk
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import PIL
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from PIL import Image, ImageTk
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import string
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import random
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import difflib
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import threading
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# 从文本文件读取鲁迅名言
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def load_quotes(filename):
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with open(filename, 'r', encoding='utf-8') as file:
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return [line.strip() for line in file if line.strip()]
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# 文本预处理函数
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def preprocess_text(text):
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# 转小写并去除标点符号
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return text.lower().translate(str.maketrans('', '', string.punctuation))
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def calculate_similarity(input_text, quote):
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input_processed = preprocess_text(input_text)
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quote_processed = preprocess_text(quote)
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return difflib.SequenceMatcher(None, input_processed, quote_processed).ratio()
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# 预处理所有名言
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def preprocess_all_quotes(quotes):
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return [(quote, preprocess_text(quote)) for quote in quotes]
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# 搜索名言的函数
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def search_quote():
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keyword = entry_keyword.get()
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if not keyword:
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messagebox.showwarning("警告", "请输入搜索关键词！")
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return
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results = []
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progress_bar['value'] = 0
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root.update_idletasks()
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def search_task():
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nonlocal results
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keyword_processed = preprocess_text(keyword)
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total_quotes = len(preprocessed_quotes)
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for i, (quote, processed_quote) in enumerate(preprocessed_quotes):
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similarity = difflib.SequenceMatcher(None, keyword_processed, processed_quote).ratio()
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if similarity > 0.3 or keyword in quote: # 这里设置一个相似度阈值
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highlighted_quote = highlight_keyword(quote, keyword)
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results.append(f"相似度: {similarity:.2f}\n原文: {highlighted_quote}")
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if (i + 1) % (total_quotes // 100) == 0: # 减少进度条更新频率
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progress_bar['value'] = (i + 1) / total_quotes * 100
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root.update_idletasks()
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progress_bar['value'] = 100
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root.update_idletasks()
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if results:
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show_paginated_results(results)
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save_history(keyword, results)
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else:
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messagebox.showerror("错误", "我是鲁迅，我没有说过这句话！")
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threading.Thread(target=search_task).start()
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def highlight_keyword(text, keyword):
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start = text.lower().find(keyword.lower())
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if start != -1:
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end = start + len(keyword)
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return text[:start] + '[highlight]' + text[start:end] + '[/highlight]' + text[end:]
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return text
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def show_paginated_results(results):
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result_window = tk.Toplevel(root)
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result_window.title("查询结果")
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result_text = tk.Text(result_window, wrap=tk.WORD, font=('Arial', 12))
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result_text.pack(expand=True, fill=tk.BOTH)
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for result in results:
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result_text.insert(tk.END, result.replace('[highlight]', '').replace('[/highlight]', ''))
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result_text.tag_config('highlight', background='yellow', foreground='black')
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start_idx = '1.0'
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while True:
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start_idx = result_text.search('[highlight]', start_idx, stopindex=tk.END)
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if not start_idx:
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break
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end_idx = result_text.search('[/highlight]', start_idx, stopindex=tk.END)
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result_text.delete(start_idx, start_idx + '+10c')
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result_text.delete(end_idx, end_idx + '+11c')
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result_text.tag_add('highlight', start_idx, end_idx)
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# 保存历史记录
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def save_history(keyword, results):
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with open("search_history.txt", "a", encoding='utf-8') as file:
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file.write(f"搜索关键词: {keyword}\n")
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file.write("\n".join(results) + "\n\n")
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# 显示历史记录
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def show_history():
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history_window = tk.Toplevel(root)
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history_window.title("搜索历史记录")
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with open("search_history.txt", "r", encoding='utf-8') as file:
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history_text = file.read()
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history_display = tk.Text(history_window, wrap=tk.WORD, font=('Arial', 12))
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history_display.pack(expand=True, fill=tk.BOTH)
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history_display.insert(tk.END, history_text)
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# 清空历史记录
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def clear_history():
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if messagebox.askyesno("清空历史记录", "确定要清空所有历史记录吗？"):
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with open("search_history.txt", "w", encoding='utf-8') as file:
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file.write("")
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messagebox.showinfo("提示", "历史记录已清空")
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# 导出搜索结果
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def export_results():
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filename = filedialog.asksaveasfilename(defaultextension=".txt", filetypes=[("Text files", "*.txt")])
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if filename:
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with open(filename, "w", encoding='utf-8') as file:
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keyword = entry_keyword.get()
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file.write(f"搜索关键词: {keyword}\n")
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for quote, processed_quote in preprocessed_quotes:
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similarity = difflib.SequenceMatcher(None, preprocess_text(keyword), processed_quote).ratio()
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if similarity > 0.3 or keyword in quote:
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file.write(f"相似度: {similarity:.2f}\n原文: {quote}\n")
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# 获取随机名言
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def get_random_quote():
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random_quote = random.choice(quotes)
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messagebox.showinfo("随机名言", random_quote)
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# 显示关于信息
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def show_about():
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messagebox.showinfo("关于", "鲁迅名言查询\n版本: 1.0\n作者: Sky")
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# 创建主窗口
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root = tk.Tk()
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root.title("鲁迅名言查询")
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# 设置窗口大小
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root.geometry("600x500")
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# 创建菜单
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menu_bar = tk.Menu(root)
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root.config(menu=menu_bar)
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file_menu = tk.Menu(menu_bar, tearoff=0)
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file_menu.add_command(label="导出搜索结果", command=export_results)
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file_menu.add_separator()
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file_menu.add_command(label="退出", command=root.quit)
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menu_bar.add_cascade(label="文件", menu=file_menu)
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history_menu = tk.Menu(menu_bar, tearoff=0)
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history_menu.add_command(label="查看历史记录", command=show_history)
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history_menu.add_command(label="清空历史记录", command=clear_history)
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menu_bar.add_cascade(label="历史记录", menu=history_menu)
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help_menu = tk.Menu(menu_bar, tearoff=0)
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help_menu.add_command(label="关于", command=show_about)
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menu_bar.add_cascade(label="帮助", menu=help_menu)
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# 加载图片并显示Logo
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image_path = "image.png"
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image = PIL.Image.open(image_path)
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logo_image = PIL.ImageTk.PhotoImage(image)
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logo_label = tk.Label(root, image=logo_image)
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logo_label.pack(side=tk.LEFT, padx=10, pady=10)
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# 从文件加载名言
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quotes = load_quotes("book.txt")
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preprocessed_quotes = preprocess_all_quotes(quotes) # 预处理所有名言
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# 创建输入框和搜索按钮
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input_frame = tk.Frame(root)
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input_frame.pack(side=tk.RIGHT, padx=20, pady=20)
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entry_keyword = tk.Entry(input_frame, font=('Arial', 14), width=30)
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entry_keyword.pack(side=tk.TOP, pady=10)
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btn_search = tk.Button(input_frame, text="搜索名言", font=('Arial', 14), command=search_quote)
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btn_search.pack(side=tk.TOP)
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btn_random = tk.Button(input_frame, text="随机名言", font=('Arial', 14), command=get_random_quote)
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btn_random.pack(side=tk.TOP)
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btn_history = tk.Button(input_frame, text="查看历史记录", font=('Arial', 14), command=show_history)
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btn_history.pack(side=tk.TOP)
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btn_export = tk.Button(input_frame, text="导出搜索结果", font=('Arial', 14), command=export_results)
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btn_export.pack(side=tk.TOP)
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progress_bar = ttk.Progressbar(root, orient='horizontal', mode='determinate', length=400)
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progress_bar.pack(side=tk.BOTTOM, pady=10)
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# 运行主循环
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root.mainloop()
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