python学生管理系统与数据库
python学生管理系统学习笔记本文实例为大家分享了python学生管理系统的具体代码,供大家参考,具体内容如下
基于列表存储的学生管理系统,实现如下功能
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学生管理系统
1、添加学生信息
2、删除学生信息
3、查询学生信息
4、修改学生信息
5、显示所有学生信息
6、退出
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代码如下:
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import re student = [] def appendStudentInfo(): studentinfo = { "Name" :" "," ID ":" "," 语文 ":" "," 数学 ":" "," 英语 ":" "," 总分 ":" "} studentinfo[ "Name" ] = input ( "请输入学生姓名:" ) idflag = True while idflag: studentinfo[ "ID" ] = input ( "请输入学生学号:" ) pattern = re. compile ( "^\d{3}$" ) if not re.match(pattern,studentinfo[ "ID" ]) : print ( "输入错误,请重新输入" ) idflag = True if querystudent(studentinfo[ "ID" ]) = = True : print ( "该学号已经存在请重新输入" ) idflag = True if querystudent(studentinfo[ "ID" ]) = = False and re.match(pattern,studentinfo[ "ID" ]): idflag = False studentinfo[ "语文" ] = input ( "请输入语文成绩:" ) while not studentinfo[ "语文" ].isdigit() or int (studentinfo[ "语文" ])> 100 or int (studentinfo[ "语文" ])< 0 : studentinfo[ "语文" ] = input ( "输入错误,请重新输入:" ) studentinfo[ "数学" ] = input ( "请输入数学成绩:" ) while not studentinfo[ "数学" ].isdigit() or int (studentinfo[ "数学" ]) > 100 or int (studentinfo[ "数学" ]) < 0 : studentinfo[ "数学" ] = input ( "输入错误,请重新输入:" ) studentinfo[ "英语" ] = input ( "请输入英语成绩:" ) while not studentinfo[ "英语" ].isdigit() or int (studentinfo[ "英语" ]) > 100 or int (studentinfo[ "英语" ]) < 0 : studentinfo[ "英语" ] = input ( "输入错误,请重新输入:" ) studentinfo[ "总分" ] = int (studentinfo[ "语文" ]) + int (studentinfo[ "英语" ]) + int (studentinfo[ "数学" ]) student.append(studentinfo) def delstudent(): delstudentid = input ( "请输入要删除的学生学号:" ) flag = False for item in student: if item[ "ID" ] = = delstudentid: flag = True print ( "要删除学生的相关信息如下:" ) print (item) select = input ( "是否删除:是(Y)/否(N)" ) if select = = "Y" or select = = "y" : student.remove(item) print ( "删除成功" ) elif select = = "N" or select = = "n" : print ( "取消删除" ) else : print ( "输入错误" ) if flag = = False : print ( "未搜索到该学生" ) def querystudent(querystudentid): flag = False for item in student: if item[ "ID" ] = = querystudentid: flag = True return flag def modifystudentifo(): delstudentid = input ( "请输入要修改的学生学号:" ) flag = False for item in student: if item[ "ID" ] = = delstudentid: print ( "查询内容如下:" ) print (item) flag = True while True : modifymenu = input ( "请输入修改选项:1、姓名,2、语文成绩,3、数学成绩,4、英语成绩,5、退出" ) while not modifymenu.isdigit(): modifymenu = input ( "输入错误,请重新输入:" ) if int (modifymenu) = = 1 : item[ "Name" ] = input ( "请重新输入学生姓名:" ) elif int (modifymenu) = = 2 : item[ "语文" ] = input ( "请重新输入学生语文成绩:" ) elif int (modifymenu) = = 3 : item[ "数学" ] = input ( "请重新输入学生数学成绩:" ) elif int (modifymenu) = = 4 : item[ "英语" ] = input ( "请重新输入学生英语成绩:" ) elif int (modifymenu) = = 5 : break else : print ( "输入序号无效" ) item[ "总分" ] = int (item[ "语文" ]) + int (item[ "英语" ]) + int (item[ "数学" ]) print ( "修改结果如下:" ) print (item) if flag = = False : print ( "未搜索到该学生" ) def allinfo(): for item in student: print (item) def iteminfo(querystudentid): for item in student: if item[ "ID" ] = = querystudentid: print ( "查询内容如下:" ) print (item) def studentMenu(): print ( "=" * 30 ) print ( "学生管理系统" ) print ( "1、添加学生信息" ) print ( "2、删除学生信息" ) print ( "3、查询学生信息" ) print ( "4、修改学生信息" ) print ( "5、显示所有学生信息" ) print ( "6、退出" ) print ( "=" * 30 ) if __name__ = = '__main__' : while True : studentMenu() menuindex = input ( "请输入选项序号:" ) while not menuindex.isdigit(): menuindex = input ( "输入错误,请重新输入:" ) if int (menuindex) = = 1 : appendStudentInfo() elif int (menuindex) = = 2 : delstudent() elif int (menuindex) = = 3 : querystudentid = input ( "请输入要查询的学生学号:" ) if querystudent(querystudentid) = = True : iteminfo(querystudentid) else : print ( "未搜索到该学生" ) elif int (menuindex) = = 4 : modifystudentifo() elif int (menuindex) = = 5 : allinfo() elif int (menuindex) = = 6 : break else : print ( "输入序号无效" ) |
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原文链接:https://blog.csdn.net/yaoliuwei1426/article/details/80690927