本篇内容介绍了“怎么用python实现学生信息管理系统”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！
python实现学生信息管理系统，供大家参考，具体内容如下
#!/usr/bin/env python # -*- coding:utf-8 -*- import re import os # 主函数 def main(): ctrl = True while (ctrl): menu() option = input("请选择：") option_str = re.sub("\D", "", option) if option_str in ['0', '1', '2', '3', '4', '5', '6', '7']: option_int = int(option_str) if option_int == 0: print("您已退出学生信息管理系统！") ctrl = False elif option_int == 1: insert() elif option_int == 2: search() elif option_int == 3: delete() elif option_int == 4: modify() elif option_int == 5: sort() elif option_int == 6: total() elif option_int == 7: show() # 显示主菜单 def menu(): print(""" -------------------学生信息管理系统--------------------- ======================功能菜单========================= 1 录入学生信息 2 查找学生信息 3 删除学生信息 4 修改学生信息 5 排序 6 统计学生总人数 7 显示所有学生信息 0 退出系统 ====================================================== 说明：通过数字或上下方向键选择菜单 ------------------------------------------------------ """) # 向指定文件写入指定内容的函数 filename = "students.txt" def save(student): try: students_txt = open(filename, "a") except: students_txt = open(filename, "w") for info in student: students_txt.write(str(info) + "\n") students_txt.close() # 1 录入学生信息 def insert(): studentList = [] mark = True while mark: id = input("请输入ID(如1001)：") if not id: break name = input("请输入名字：") if not name: break try: english = int(input("请输入英语成绩：")) python = int(input("请输入Python成绩：")) c = int(input("请输入C语言成绩：")) except: print("输入无效，不是整型数值....重新录入信息") continue # 信息保存到字典 student = {"id": id, "name": name, "english": english, "python": python, "C语言": c} studentList.append(student) inputMark = input("是否继续添加？（y/n）:") if inputMark == "y": mark = True else: mark = False save(studentList) print("学生信息录入完毕！") # 2 查找学生信息 def search(): mark = True student_query = [] while mark: id = "" name = "" if os.path.exists(filename): mode = input("按ID查输入1，按姓名查输入2：") if mode == "1": id = input("请输入学生ID：") elif mode == "2": name = input("请输入学生姓名：") else: print("您的输入有误，请重新输入！") search() with open(filename, 'r') as file: student = file.readlines() for list in student: d = dict(eval(list)) if id is not "": if d['id'] == id: student_query.append(d) elif name is not "": if d['name'] == name: student_query.append(d) show_student(student_query) student_query.clear() inputMark = input("是否继续查询？（y/n）：") if inputMark == "y": mark = True else: mark = False else: print("暂未保存数据信息...") return def show_student(studentList): if not studentList: print("无数据信息") return format_title = "{:^6}{:^12}\t{:^8}\t{:^10}\t{:^10}\t{:^10}" print(format_title.format("ID", "名字", "英语成绩", "Python成绩", "C语言成绩", "总成绩")) format_data = "{:^6}{:^12}\t{:^12}\t{:^12}\t{:^12}\t{:^12}" for info in studentList: print(format_data.format(info.get("id"), info.get("name"), str(info.get("english")), str(info.get("python")), str(info.get("C语言")), str(info.get("english")+info.get("python")+info.get("C语言")).center(12))) # 3 删除学生信息 def delete(): mark = True while mark: studentId = input("请输入要删除的学生ID：") if studentId is not "": if os.path.exists(filename): with open(filename, 'r') as rfile: student_old = rfile.readlines() else: student_old = [] ifdel = False if student_old: with open(filename, 'w') as wfile: d = {} for list in student_old: d = dict(eval(list)) if d['id'] != studentId: wfile.write(str(d) + "\n") else: ifdel = True if ifdel: print("ID为%s的学生信息已经被删除..." % studentId) else: print("没有找到ID为%s的学生信息..." % studentId) else: print("无学生信息...") break show() inputMark = input("是否继续删除？（y/n）:") if inputMark == "y": mark = True else: mark = False # 4 修改学生信息 def modify(): show() if os.path.exists(filename): with open(filename, 'r') as rfile: student_old = rfile.readlines() else: return studentid = input("请输入要修改的学生ID：") with open(filename, "w") as wfile: for student in student_old: d = dict(eval(student)) if d["id"] == studentid: print("找到了这名学生，可以修改他的信息！") while True: try: d["name"] = input("请输入姓名：") d["english"] = int(input("请输入英语成绩：")) d["python"] = int(input("请输入Python成绩：")) d["C语言"] = int(input("请输入C语言成绩：")) except: print("输入信息有误，重新输入") else: break student = str(d) wfile.write(student + "\n") print("修改成功！") else: wfile.write(student) mark = input("是否继续修改其他学生信息？（y/n）：") if mark == "y": modify() # 5 排序 def sort(): show() if os.path.exists(filename): with open(filename, 'r') as file: student_old = file.readlines() student_new = [] for list in student_old: d = dict(eval(list)) student_new.append(d) else: return ascOrDesc = input("请选择（0升序；1降序）：") if ascOrDesc == "0": ascOrDescBool = False elif ascOrDesc == "1": ascOrDescBool = True else: print("您的输入有误，请重新输入！") sort() mode = input("请选择排序方式（1按英语排序；2按Python排序；3按C语言排序；0按总成绩排序）") if mode == "1": student_new.sort(key=lambda x: x["english"], reverse=ascOrDescBool) elif mode == "2": student_new.sort(key=lambda x: x["python"], reverse=ascOrDescBool) elif mode == "3": student_new.sort(key=lambda x: x["C语言"], reverse=ascOrDescBool) elif mode == "0": student_new.sort(key=lambda x: x["english"] + x["python"] + x["C语言"], reverse=ascOrDescBool) else: print("您的输入有误，请重新输入！") sort() show_student(student_new) # 6 统计学生总人数 def total(): if os.path.exists(filename): with open(filename, 'r') as rfile: student_old = rfile.readlines() if student_old: print("一共有%s名学生" % len(student_old)) else: print("还没有录入学生信息！") else: print("暂未保存数据信息...") # 7 显示所有学生信息 def show(): student_new = [] if os.path.exists(filename): with open(filename, 'r') as rfile: student_old = rfile.readlines() for list in student_old: student_new.append(eval(list)) if student_new: show_student(student_new) else: print("暂未保存数据信息...") # 0 退出系统 if __name__ == '__main__': main()安装pyinstaller打包成可执行exe文件
pip install pyinstaller ... (pydemo) D:\JavaProjects\PythonProject\01学生信息管理系统>pyinstaller --version 4.3 (pydemo) D:\JavaProjects\PythonProject\01学生信息管理系统>pyinstaller -F D:\JavaProjects\PythonProject\01学生信息管理系统\StuManagerSys.py
在下面的路径即可找到打包后的exe文件
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