ADD file via upload

21412030436_王辉_计科2104_名言查询系统.py

@@ -0,0 +1,215 @@
+import tkinter as tk
+from tkinter import messagebox, filedialog, simpledialog, ttk
+
+import PIL
+from PIL import Image, ImageTk
+import string
+import random
+import difflib
+import threading
+
+
+# 从文本文件读取鲁迅名言
+def load_quotes(filename):
+    with open(filename, 'r', encoding='utf-8') as file:
+        return [line.strip() for line in file if line.strip()]
+
+
+# 文本预处理函数
+def preprocess_text(text):
+    # 转小写并去除标点符号
+    return text.lower().translate(str.maketrans('', '', string.punctuation))
+
+
+def calculate_similarity(input_text, quote):
+    input_processed = preprocess_text(input_text)
+    quote_processed = preprocess_text(quote)
+    return difflib.SequenceMatcher(None, input_processed, quote_processed).ratio()
+
+
+# 预处理所有名言
+def preprocess_all_quotes(quotes):
+    return [(quote, preprocess_text(quote)) for quote in quotes]
+
+
+# 搜索名言的函数
+def search_quote():
+    keyword = entry_keyword.get()
+    if not keyword:
+        messagebox.showwarning("警告", "请输入搜索关键词！")
+        return
+
+    results = []
+    progress_bar['value'] = 0
+    root.update_idletasks()
+
+    def search_task():
+        nonlocal results
+        keyword_processed = preprocess_text(keyword)
+        total_quotes = len(preprocessed_quotes)
+
+        for i, (quote, processed_quote) in enumerate(preprocessed_quotes):
+            similarity = difflib.SequenceMatcher(None, keyword_processed, processed_quote).ratio()
+            if similarity > 0.3 or keyword in quote:  # 这里设置一个相似度阈值
+                highlighted_quote = highlight_keyword(quote, keyword)
+                results.append(f"相似度: {similarity:.2f}\n原文: {highlighted_quote}")
+
+            if (i + 1) % (total_quotes // 100) == 0:  # 减少进度条更新频率
+                progress_bar['value'] = (i + 1) / total_quotes * 100
+                root.update_idletasks()
+
+        progress_bar['value'] = 100
+        root.update_idletasks()
+
+        if results:
+            show_paginated_results(results)
+            save_history(keyword, results)
+        else:
+            messagebox.showerror("错误", "我是鲁迅，我没有说过这句话！")
+
+    threading.Thread(target=search_task).start()
+
+
+def highlight_keyword(text, keyword):
+    start = text.lower().find(keyword.lower())
+    if start != -1:
+        end = start + len(keyword)
+        return text[:start] + '[highlight]' + text[start:end] + '[/highlight]' + text[end:]
+    return text
+
+
+def show_paginated_results(results):
+    result_window = tk.Toplevel(root)
+    result_window.title("查询结果")
+
+    result_text = tk.Text(result_window, wrap=tk.WORD, font=('Arial', 12))
+    result_text.pack(expand=True, fill=tk.BOTH)
+
+    for result in results:
+        result_text.insert(tk.END, result.replace('[highlight]', '').replace('[/highlight]', ''))
+        result_text.tag_config('highlight', background='yellow', foreground='black')
+
+    start_idx = '1.0'
+    while True:
+        start_idx = result_text.search('[highlight]', start_idx, stopindex=tk.END)
+        if not start_idx:
+            break
+        end_idx = result_text.search('[/highlight]', start_idx, stopindex=tk.END)
+        result_text.delete(start_idx, start_idx + '+10c')
+        result_text.delete(end_idx, end_idx + '+11c')
+        result_text.tag_add('highlight', start_idx, end_idx)
+
+
+# 保存历史记录
+def save_history(keyword, results):
+    with open("search_history.txt", "a", encoding='utf-8') as file:
+        file.write(f"搜索关键词: {keyword}\n")
+        file.write("\n".join(results) + "\n\n")
+
+
+# 显示历史记录
+def show_history():
+    history_window = tk.Toplevel(root)
+    history_window.title("搜索历史记录")
+
+    with open("search_history.txt", "r", encoding='utf-8') as file:
+        history_text = file.read()
+
+    history_display = tk.Text(history_window, wrap=tk.WORD, font=('Arial', 12))
+    history_display.pack(expand=True, fill=tk.BOTH)
+    history_display.insert(tk.END, history_text)
+
+
+# 清空历史记录
+def clear_history():
+    if messagebox.askyesno("清空历史记录", "确定要清空所有历史记录吗？"):
+        with open("search_history.txt", "w", encoding='utf-8') as file:
+            file.write("")
+        messagebox.showinfo("提示", "历史记录已清空")
+
+
+# 导出搜索结果
+def export_results():
+    filename = filedialog.asksaveasfilename(defaultextension=".txt", filetypes=[("Text files", "*.txt")])
+    if filename:
+        with open(filename, "w", encoding='utf-8') as file:
+            keyword = entry_keyword.get()
+            file.write(f"搜索关键词: {keyword}\n")
+            for quote, processed_quote in preprocessed_quotes:
+                similarity = difflib.SequenceMatcher(None, preprocess_text(keyword), processed_quote).ratio()
+                if similarity > 0.3 or keyword in quote:
+                    file.write(f"相似度: {similarity:.2f}\n原文: {quote}\n")
+
+
+# 获取随机名言
+def get_random_quote():
+    random_quote = random.choice(quotes)
+    messagebox.showinfo("随机名言", random_quote)
+
+
+# 显示关于信息
+def show_about():
+    messagebox.showinfo("关于", "鲁迅名言查询\n版本: 1.0\n作者: Sky")
+
+
+# 创建主窗口
+root = tk.Tk()
+root.title("鲁迅名言查询")
+
+# 设置窗口大小
+root.geometry("600x500")
+
+# 创建菜单
+menu_bar = tk.Menu(root)
+root.config(menu=menu_bar)
+
+file_menu = tk.Menu(menu_bar, tearoff=0)
+file_menu.add_command(label="导出搜索结果", command=export_results)
+file_menu.add_separator()
+file_menu.add_command(label="退出", command=root.quit)
+menu_bar.add_cascade(label="文件", menu=file_menu)
+
+history_menu = tk.Menu(menu_bar, tearoff=0)
+history_menu.add_command(label="查看历史记录", command=show_history)
+history_menu.add_command(label="清空历史记录", command=clear_history)
+menu_bar.add_cascade(label="历史记录", menu=history_menu)
+
+help_menu = tk.Menu(menu_bar, tearoff=0)
+help_menu.add_command(label="关于", command=show_about)
+menu_bar.add_cascade(label="帮助", menu=help_menu)
+
+# 加载图片并显示Logo
+image_path = "image.png"
+image = PIL.Image.open(image_path)
+logo_image = PIL.ImageTk.PhotoImage(image)
+logo_label = tk.Label(root, image=logo_image)
+logo_label.pack(side=tk.LEFT, padx=10, pady=10)
+
+# 从文件加载名言
+quotes = load_quotes("book.txt")
+preprocessed_quotes = preprocess_all_quotes(quotes)  # 预处理所有名言
+
+# 创建输入框和搜索按钮
+input_frame = tk.Frame(root)
+input_frame.pack(side=tk.RIGHT, padx=20, pady=20)
+
+entry_keyword = tk.Entry(input_frame, font=('Arial', 14), width=30)
+entry_keyword.pack(side=tk.TOP, pady=10)
+
+btn_search = tk.Button(input_frame, text="搜索名言", font=('Arial', 14), command=search_quote)
+btn_search.pack(side=tk.TOP)
+
+btn_random = tk.Button(input_frame, text="随机名言", font=('Arial', 14), command=get_random_quote)
+btn_random.pack(side=tk.TOP)
+
+btn_history = tk.Button(input_frame, text="查看历史记录", font=('Arial', 14), command=show_history)
+btn_history.pack(side=tk.TOP)
+
+btn_export = tk.Button(input_frame, text="导出搜索结果", font=('Arial', 14), command=export_results)
+btn_export.pack(side=tk.TOP)
+
+progress_bar = ttk.Progressbar(root, orient='horizontal', mode='determinate', length=400)
+progress_bar.pack(side=tk.BOTTOM, pady=10)
+
+# 运行主循环
+root.mainloop()