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Python + Tkinter + pyttsx3实现的桌面版英语学习工具

在多行文本框输入英文句子，双击其中的英文单词，给出英文读音和中文含义和音标。

本程序查询本地词典数据。通过菜单栏"文件"->"打开词典编辑器"进入编辑界面。

词典数据存储在独立的dictionary.json文件中，这个文件需要和程序文件在同一文件夹中，否则将自动建立一个。

编辑器实现了完整的CRUD（创建、读取、更新、删除）功能

添加单词：直接填写所有字段后点击"添加单词"

编辑单词：从列表选择单词 -> 修改字段 -> 点击"保存修改"

删除单词：从列表选择单词 -> 点击"删除选中"

pyttsx3 是一个文本到语音（Text-to-Speech, TTS）转换库，它允许你在 Python 程序中将文本转换为语音输出。它是第三方库需要安装使用。

在cmd中，使用 Python 包安装命令安装：pip install pyttsx3

若安装了多个python版本，X.Y代表Python版本，多余的部分舍弃如3.8.1取3.8，3.10.5取3.10，即只取第二个点前的部分。仅安装了一个python版本不需要。pip命令默认会连接在国外的python官方服务器下载，速度可能比较慢，使用镜像网址可以加快速度：-i 镜像网址

py -3.12 -m pip install 第三方库名 -i https://pypi.tuna.tsinghua.edu.cn/simple

py -3.12 -m pip install pyttsx3 -i https://pypi.tuna.tsinghua.edu.cn/simple

运行效果：

源码如下：

import tkinter as tk
from tkinter import ttk, messagebox, simpledialog
import json
import os
import pyttsx3class DictionaryEditor:def __init__(self, master, dictionary, save_callback):self.master = masterself.dictionary = dictionaryself.save_callback = save_callbackself.selected_word = Nonemaster.title("词典编辑器")master.geometry("600x400")# 创建界面组件self.create_widgets()self.update_word_list()def create_widgets(self):# 单词列表框架list_frame = ttk.Frame(self.master)list_frame.pack(side=tk.LEFT, padx=10, pady=10, fill=tk.BOTH, expand=True)self.word_list = tk.Listbox(list_frame, selectmode=tk.SINGLE)self.word_list.pack(fill=tk.BOTH, expand=True)self.word_list.bind('<<ListboxSelect>>', self.on_word_select)# 控制按钮框架btn_frame = ttk.Frame(list_frame)btn_frame.pack(pady=5)ttk.Button(btn_frame, text="刷新列表", command=self.update_word_list).pack(side=tk.LEFT, padx=2)ttk.Button(btn_frame, text="删除选中", command=self.delete_word).pack(side=tk.LEFT, padx=2)# 编辑区框架edit_frame = ttk.Frame(self.master)edit_frame.pack(side=tk.RIGHT, padx=10, pady=10, fill=tk.BOTH, expand=True)# 输入字段ttk.Label(edit_frame, text="单词：").grid(row=0, column=0, sticky=tk.W)self.word_entry = ttk.Entry(edit_frame)self.word_entry.grid(row=0, column=1, pady=5, sticky=tk.EW)ttk.Label(edit_frame, text="音标：").grid(row=1, column=0, sticky=tk.W)self.phonetic_entry = ttk.Entry(edit_frame)self.phonetic_entry.grid(row=1, column=1, pady=5, sticky=tk.EW)ttk.Label(edit_frame, text="翻译：").grid(row=2, column=0, sticky=tk.W)self.translation_entry = ttk.Entry(edit_frame)self.translation_entry.grid(row=2, column=1, pady=5, sticky=tk.EW)# 操作按钮btn_frame = ttk.Frame(edit_frame)btn_frame.grid(row=3, column=0, columnspan=2, pady=10)ttk.Button(btn_frame, text="添加单词", command=self.add_word).pack(side=tk.LEFT, padx=5)ttk.Button(btn_frame, text="保存修改", command=self.save_changes).pack(side=tk.LEFT, padx=5)def update_word_list(self):self.word_list.delete(0, tk.END)for word in sorted(self.dictionary.keys()):self.word_list.insert(tk.END, word)def on_word_select(self, event):selection = self.word_list.curselection()if selection:self.selected_word = self.word_list.get(selection[0])self.load_word_data()def load_word_data(self):data = self.dictionary.get(self.selected_word, {})self.word_entry.delete(0, tk.END)self.phonetic_entry.delete(0, tk.END)self.translation_entry.delete(0, tk.END)self.word_entry.insert(0, self.selected_word)self.phonetic_entry.insert(0, data.get('phonetic', ''))self.translation_entry.insert(0, data.get('translation', ''))def validate_input(self):word = self.word_entry.get().strip().lower()phonetic = self.phonetic_entry.get().strip()translation = self.translation_entry.get().strip()if not word:messagebox.showwarning("输入错误", "单词不能为空")return Falseif not translation:messagebox.showwarning("输入错误", "翻译不能为空")return Falsereturn Truedef add_word(self):if not self.validate_input():returnnew_word = self.word_entry.get().strip().lower()if new_word in self.dictionary:messagebox.showwarning("添加失败", "该单词已存在")returnself.dictionary[new_word] = {'phonetic': self.phonetic_entry.get().strip(),'translation': self.translation_entry.get().strip()}self.save_data()self.update_word_list()messagebox.showinfo("成功", "单词已添加")def save_changes(self):if not self.selected_word or not self.validate_input():returnnew_word = self.word_entry.get().strip().lower()# 检查是否修改了单词if new_word != self.selected_word:if new_word in self.dictionary:messagebox.showwarning("修改失败", "目标单词已存在")return# 删除旧条目并创建新条目del self.dictionary[self.selected_word]self.selected_word = new_wordself.dictionary[new_word] = {'phonetic': self.phonetic_entry.get().strip(),'translation': self.translation_entry.get().strip()}self.save_data()self.update_word_list()messagebox.showinfo("成功", "修改已保存")def delete_word(self):if not self.selected_word:returnif messagebox.askyesno("确认删除", f"确定要删除 '{self.selected_word}' 吗？"):del self.dictionary[self.selected_word]self.save_data()self.selected_word = Noneself.update_word_list()messagebox.showinfo("成功", "单词已删除")def save_data(self):self.save_callback()class EnglishLearningApp:def __init__(self, master):self.master = mastermaster.title("英语学习助手")master.geometry("800x600")# 初始化语音引擎self.engine = pyttsx3.init()self.engine.setProperty('rate', 150)# 创建菜单self.create_menu()# 加载词典数据self.dictionary_file = "dictionary.json"self.dictionary = self.load_dictionary()# 创建界面组件self.create_widgets()# 添加缺失的 load_dictionary 方法def load_dictionary(self):"""从JSON文件加载词典数据"""try:if not os.path.exists(self.dictionary_file):# 如果文件不存在，创建默认词典default_data = {"hello": {"translation": "你好", "phonetic": "/həˈloʊ/"},"world": {"translation": "世界", "phonetic": "/wɜːrld/"}}with open(self.dictionary_file, 'w', encoding='utf-8') as f:json.dump(default_data, f, indent=2, ensure_ascii=False)return default_datawith open(self.dictionary_file, 'r', encoding='utf-8') as f:data = json.load(f)# 验证数据格式if not all(['translation' in v and 'phonetic' in v for v in data.values()]):raise ValueError("词典文件格式不正确")return dataexcept Exception as e:messagebox.showerror("初始化错误", f"无法加载词典：{str(e)}")self.master.destroy()  # 关闭程序exit(1)def create_widgets(self):# 输入文本框self.text_input = tk.Text(self.master,height=10,wrap=tk.WORD,font=('Arial', 12),borderwidth=2,relief="groove")self.text_input.pack(pady=10, padx=20, fill=tk.BOTH, expand=True)self.text_input.bind("<Double-Button-1>", self.on_double_click)# 结果显示区域self.result_frame = ttk.Frame(self.master)self.result_frame.pack(pady=10, padx=20, fill=tk.BOTH, expand=True)self.result_label = ttk.Label(self.result_frame,text="双击单词，出现查询结果：",font=('Arial', 12, 'bold'))self.result_label.pack(anchor=tk.W)self.result_text = tk.Text(self.result_frame,height=6,wrap=tk.WORD,font=('Arial', 12),bg='#f0f8ff',borderwidth=2,relief="groove")self.result_text.pack(fill=tk.BOTH, expand=True)# 发音按钮self.speak_button = ttk.Button(self.master,text="播放发音",command=self.speak_word)self.speak_button.pack(pady=5)def on_double_click(self, event):try:# 获取选中的单词self.text_input.tag_remove("sel", "1.0", tk.END)self.text_input.tag_add("sel", "current wordstart", "current wordend")selected_word = self.text_input.get("sel.first", "sel.last").lower()if selected_word:# 查询词典result = self.dictionary.get(selected_word)if result:self.show_result(selected_word, result)self.current_word = selected_wordelse:self.result_text.delete(1.0, tk.END)self.result_text.insert(tk.END, f"未找到 '{selected_word}' 的释义")except Exception as e:messagebox.showerror("错误", f"发生错误：{str(e)}")def show_result(self, word, data):self.result_text.config(state=tk.NORMAL)self.result_text.delete(1.0, tk.END)result_str = (f"单词：{word}\n\n"f"音标：{data['phonetic']}\n\n"f"中文释义：{data['translation']}")self.result_text.insert(tk.END, result_str)self.result_text.config(state=tk.DISABLED)def speak_word(self):if hasattr(self, 'current_word'):self.engine.say(self.current_word)self.engine.runAndWait()        def create_menu(self):menubar = tk.Menu(self.master)# 文件菜单file_menu = tk.Menu(menubar, tearoff=0)file_menu.add_command(label="打开词典编辑器", command=self.open_editor)file_menu.add_separator()file_menu.add_command(label="退出", command=self.master.destroy) menubar.add_cascade(label="文件", menu=file_menu)self.master.config(menu=menubar)def open_editor(self):editor_window = tk.Toplevel(self.master)DictionaryEditor(editor_window, self.dictionary, self.save_dictionary)def save_dictionary(self):try:with open(self.dictionary_file, 'w', encoding='utf-8') as f:json.dump(self.dictionary, f, indent=2, ensure_ascii=False)except Exception as e:messagebox.showerror("保存失败", f"无法保存词典文件：{str(e)}")if __name__ == "__main__":root = tk.Tk()app = EnglishLearningApp(root)root.mainloop()