面向对象-学员管理系统

import os class StudentT(object): def __init__(self): self.student_list=[] self.student_dict={} #学生管理系统界面 @staticmethod def jiemian(): print("---------------------------") print(" 学生管理系统 V1.0") print(" ") print(" 1:添加学生" ) print(" 2:删除学生" ) print(" 3:修改学生" ) print(" 4:查询学生" ) print(" 5:显示所有学生" ) print(" 6:保存数据" ) print(" 7:退出系统" ) print(" ") print("---------------------------") #添加学生 def add(self): name=input("请输入录入学生姓名:") cls=input("请输入学生班级:") age=input("请输入录入学生年龄:") phone=input("请输入录入学生手机号:") addr=input("请输入录入学生家庭住址:") self.student_dict={"name":name,"class":cls,"age":age,"phone":phone,"address":addr} self.student_list.append(self.student_dict) print() print("-----添加学生信息界面-----") print() print("姓名\t\t","班级\t\t","年龄\t\t","电话号\t\t","家庭住址\t\t") for student_dict_1 in self.student_list: print("%s\t\t%s\t\t%s\t\t%s\t\t%s" %(student_dict_1["name"], student_dict_1["class"], student_dict_1["age"], student_dict_1["phone"], student_dict_1["address"])) print() print("录入成功!") print() #删除学生 def dele(self): name_del=input("请输入想要删除的学生姓名:") for student_dict_1 in self.student_list: if name_del in student_dict_1["name"]: self.student_list.remove(student_dict_1) print() print("删除%s信息成功!" % name_del) print() break else: print() print("您输入的学生姓名错误，请重新输入") print() #修改学生 def xiugai(self): name_xiugai=input("请输入想要修改的学生姓名:") for student_dict_1 in self.student_list: if name_xiugai == student_dict_1["name"]: print() print("-----修改界面-----") print() print("姓名\t\t", "班级\t\t", "年龄\t\t", "电话号\t\t", "家庭住址\t\t") print("%s\t\t%s\t\t%s\t\t%s\t\t%s" %(student_dict_1["name"], student_dict_1["class"], student_dict_1["age"], student_dict_1["phone"], student_dict_1["address"])) #回车不修改 student_dict_1["name"]=self.new_input(student_dict_1["name"],"请输入修改后的学生姓名[回车不修改]:") student_dict_1["class"]=self.new_input(student_dict_1["class"],"请输入修改后的学生班级[回车不修改]:") student_dict_1["age"]=self.new_input(student_dict_1["age"],"请输入修改后的学生年龄[回车不修改]:") student_dict_1["phone"]=self.new_input(student_dict_1["phone"],"请输入修改后的学生手机号[回车不修改]:") student_dict_1["address"]=self.new_input(student_dict_1["address"],"请输入修改后的学生家庭地址[回车不修改]:") print() print("修改成功!") print() break else: print() print("您输入的学生姓名错误，请重新输入") print() #查找学生 def find(self): find_name=input("请输入需要查找的学生姓名:") for student_dict_1 in self.student_list: if find_name == student_dict_1["name"]: print() print("-----查询结果界面-----") print() print("姓名\t\t", "班级\t\t", "年龄\t\t", "电话号\t\t", "家庭住址\t\t") print("%s\t\t%s\t\t%s\t\t%s\t\t%s" % (student_dict_1["name"], student_dict_1["class"], student_dict_1["age"], student_dict_1["phone"], student_dict_1["address"])) else: print() print("-----查询结果界面-----") print() print("无此学生信息") #显示所有学生信息 def showall(self): if len(self.student_list)>0: print() print("-----显示所有学生信息-----") print() print("姓名\t\t", "班级\t\t", "年龄\t\t", "电话号\t\t", "家庭住址\t\t") for student_dict_1 in self.student_list: print("%s\t\t%s\t\t%s\t\t%s\t\t%s" % (student_dict_1["name"], student_dict_1["class"], student_dict_1["age"], student_dict_1["phone"], student_dict_1["address"])) else: print() print("暂无数据！") print() #设置用户不输入内容返回原值，输入内容返回新内容 def new_input(self,yuanzhi,message): self.input_str=input(message) if len(self.input_str)>0: return self.input_str else: return yuanzhi #保存数据至文件中 def save_file(self): f = open("student2.txt", 'w', encoding='utf-8') f.write(str(self.student_list)) f.close() print("数据保存至student1.txt文件成功！") #将数据读取至变量中 def read_file(self): if os.path.exists('student2.txt'): f = open('student2.txt', 'r', encoding='utf-8') ret = f.read() self.student_list=eval(ret) f.close() print("数据读取成功!")