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电话溥功能
2022-08-05 04:58:00 【小鸡岛~】
!!!!写好一个个具有完整功能的“能用”的程序,而非仅仅是那些“示例”程序!!!!
需求分析
- 添加电话信息
- 将电话信息保存
- 程序运行后,自动显示所有电话信息
- 用户可将电话信息导出备份
确定需求中的变量
- 保存文件:txt
- 保存方式:一行一条电话信息
- 交互方式: 命令行
因为交互方式需要不断的进行,所以需要用到循环语句;需要判断用户输入的字符是哪一个,所以需要用到判断语句;-ld path path代表要导入的电话簿的文件全名 -sa path。path代表要导出的电话簿的文件全名 -se,将信息保存到默认文件中,在执行文件目录下 -se,将信息保存到默认文件中,在执行文件目录下
确定需求中的功能
- 如何获取键盘输入?
- 如何读写文本文件?
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