def down(): for i in range(1, 100): output_queue.put(f"Downloading attachment {i}\n") time.sleep(0.3) return

def on_download_click(): try: download_thread = threading.Thread(target=down, args=()) download_thread.start() except Exception as e: messagebox.showerror("消息", "该日期段没有附件下载")

def update_output_text(): # 检查队列是否有新的输出内容 while not output_queue.empty(): output_text.insert(tk.END, output_queue.get()) # 如果用户没有手动滚动，或者手动滚动到底部，则自动滚动到底部 if not fm_main.manually_scrolled or output_text.yview()[1] == 1.0: output_text.see(tk.END)

# 通过调用 after 方法实现定时刷新 fm_main.after(100, update_output_text)

def on_scroll(*args): # 判断滚动条是否在底部 scroll_position = scrollbar.get() if scroll_position[1] == 1.0: fm_main.manually_scrolled = False else: fm_main.manually_scrolled = True

def on_mouse_release(*args): on_scroll()

def on_key_press(event): if event.keysym in ["Up", "Down", "Left", "Right"]: on_scroll()

if __name__ == "__main__": # os.chdir(path) # os.system("ls *.zip |xargs -n1 unzip && rm *.zip")

fm_main = tk.Tk() fm_main.title("邮件附件批量下载_v1.0") fm_main.geometry("600x300")

fm_main.resizable(0, 0) # 设置窗口 Continuation of the modified code:

# 下载按钮 btn1 = tk.Button( fm_main, text="下载", font=("Arial", 13), width=25, height=2, command=on_download_click, ) btn1.pack()

scrollbar = tk.Scrollbar(fm_main) scrollbar.pack(side=tk.RIGHT, fill=tk.Y)

output_text = tk.Text(fm_main, font=("Arial", 12), width=60, height=10) output_text.pack(side=tk.LEFT, fill=tk.BOTH)

output_text.config(yscrollcommand=scrollbar.set) scrollbar.config(command=output_text.yview)

# ... 其他代码 ...

# 创建队列对象用于线程间通信 output_queue = queue.Queue()

# 启动定时刷新函数 fm_main.after(100, update_output_text)

# 设置滚动条手动滚动的回调函数 output_text.bind("", on_scroll) output_text.bind("", on_scroll) output_text.bind("", on_scroll)

scrollbar.bind("", on_scroll) scrollbar.bind("", on_scroll) scrollbar.bind("", on_scroll)

scrollbar.bind("", on_scroll) scrollbar.bind("", on_mouse_release)

# 方向键事件绑定 fm_main.bind("", on_key_press) fm_main.bind("", on_key_press) fm_main.bind("", on_key_press) fm_main.bind("", on_key_press)

# 标记手动滚动状态的变量 fm_main.manually_scrolled = False

fm_main.mainloop()```