Python编写电话薄实现增删改查功能
2016-05-07 00:00
726 查看
初学python,写一个小程序练习一下。主要功能就是增删改查的一些功能。主要用到的技术:字典的使用,pickle的使用,io文件操作。代码如下:
以上就是本文的全部内容,希望对大家学习Python程序设计有所帮助。
Python 实现简单的电话本功能
Python Sql数据库增删改查操作简单封装
import pickle #studentinfo = {'netboy': '15011038018',\ # 'godboy': '15011235698'} studentinfo = {} FUNC_NUM = 5 def write_file(value): file = open('student_info.txt', 'wb') file.truncate() pickle.dump(value, file, True) file.close def read_file(): global studentinfo file = open('student_info.txt', 'rb') studentinfo = pickle.load(file) file.close() def search_student(): global studentinfo name = input('please input student\'s name:') if name in studentinfo: print('name:%s phone:%s' % (name, studentinfo[name])) else: print('has no this body') def delete_student(): global studentinfo name = input('please input student\'s name:') if name in studentinfo: studentinfo.pop(name) write_file(studentinfo) else: print('has no this body') def add_student(): global studentinfo name = input('please input student\'s name:') phone = input('please input phone:') studentinfo[name] = phone write_file(studentinfo) def modifiy_student(): global studentinfo name = input('please input student\'s name:') if name in studentinfo: phone = input('please input student\'s phone:') studentinfo[name] = phone else: print('has no this name') def show_all(): global studentinfo for key, value in studentinfo.items(): print('name:' + key + 'phone:' + value) func = {1 : search_student, \ 2 : delete_student, \ 3 : add_student, \ 4 : modifiy_student, \ 5 : show_all} def menu(): print('-----------------------------------------------'); print('1 search student:') print('2 delete student:') print('3 add student:') print('4 modifiy student:') print('5 show all student') print('6 exit') print('-----------------------------------------------'); def init_data(): global studentinfo file = open('student_info.txt', 'rb') studentinfo = pickle.load(file) #print(studentinfo) file.close() init_data() while True: menu() index = int(input()) if index == FUNC_NUM + 1: exit() elif index < 1 or index > FUNC_NUM + 1: print('num is between 1-%d' % (FUNC_NUM + 1)) continue #print(index) func[index]()
以上就是本文的全部内容,希望对大家学习Python程序设计有所帮助。
您可能感兴趣的文章:
python Django连接MySQL数据库做增删改查Python 实现简单的电话本功能
Python Sql数据库增删改查操作简单封装
相关文章推荐
- Python动态类型的学习---引用的理解
- Python3写爬虫(四)多线程实现数据爬取
- 垃圾邮件过滤器 python简单实现
- 下载并遍历 names.txt 文件,输出长度最长的回文人名。
- install and upgrade scrapy
- Scrapy的架构介绍
- Centos6 编译安装Python
- 使用Python生成Excel格式的图片
- 让Python文件也可以当bat文件运行
- [Python]推算数独
- Python中zip()函数用法举例
- Python中map()函数浅析
- Python将excel导入到mysql中
- Python在CAM软件Genesis2000中的应用
- 使用Shiboken为C++和Qt库创建Python绑定
- FREEBASIC 编译可被python调用的dll函数示例
- Python 七步捉虫法