Python-递加计数器

计数本：number.txt

1
2
3
4

主程序：计数器

 # Author: Stephen Yuan
 # 递加计算器
 import os

 # 递加计算器
 def calc():
     file_size = os.path.getsize('number.txt')
     count = 1
     if file_size == 0:
         while True:
             with open('number.txt', 'a', encoding='utf-8') as f:
                 f.write(str(count) + '\n')
             print(count)
             count += 1
             if_choice()
     elif file_size != 0:
         while True:
             with open('number.txt', 'r+', encoding='utf-8') as f:
                 lines = f.readlines()
                 last_line = int(lines[-1])  # 获取文件的最后一行内容
                 print(last_line)
                 last_line += 1
                 f.write(str(last_line) + '\n')
                 if_choice()

 def if_choice():
     info = input('请选择：')
     if info == 'a':
         calc()

     elif info == 'r':
         with open('number.txt.', 'w', encoding='utf-8') as f:
             pass
         calc()
     elif info == 'q':
         exit()

 def choice():
     choice = '''
 1.计数，请按‘a’
 2.重置，请按‘r’
 3.退出，请按‘q’
     '''.strip()
     print(choice)
     info = input('\n请选择：')
     if info == 'a':
         calc()
     elif info == 'r':
         with open('number.txt.', 'w', encoding='utf-8') as f:
             pass
         calc()
     else:
         exit()

 choice()