import tkinter as tk
from tkinter import messagebox

# 单词列表
words = ["apple", "banana", "cherry", "date", "elderberry"]

class WordApp(tk.Tk):
    def __init__(self):
        super().__init__()
        self.title("单词学习")
        self.current_word_index = 0
        self.word_label = tk.Label(self, text="", font=("Helvetica", 20))
        self.word_label.pack(pady=20)
        self.create_buttons()

    def create_buttons(self):
        self.know_button = tk.Button(self, text="认识", command=self.show_next_word, width=10)
        self.not_know_button = tk.Button(self, text="不认识", command=self.show_next_word, width=10)
        self.know_button.pack(side=tk.LEFT, padx=10, pady=10)
        self.not_know_button.pack(side=tk.RIGHT, padx=10, pady=10)

    def show_next_word(self):
        if self.current_word_index < len(words):
            self.word_label.config(text=words[self.current_word_index])
            self.current_word_index += 1
        else:
            messagebox.showinfo("结束", "所有单词已学习完毕！")
            self.destroy()

if __name__ == "__main__":
    app = WordApp()
    app.mainloop()