invoice_app.py 文件源码

def file_save(event=None):
    # a+ --> add stuff to the end of the file you are writing to
    f = filedialog.asksaveasfile(mode='a+', defaultextension='.txt')

    if f is None:
        return

    # lesson_details_to_save = str('\n' + str((subject_entry.get(), hours_entry.get(), amount_entry.get())))
    lessons_to_save = notes_text.get(0.0, tk.END)
    f.write(lessons_to_save)
    f.close()