学生成绩管理系统（C语言版）

#include <stdio.h> #include <stdlib.h> #include <windows.h> #include "List1.h" void showmenu(void) { printf("\n\n\n\n\n\n\n\n"); printf(" **************************************************************************"); printf("\n * *** ********************************************** *** *\n"); printf(" * *** ** 学生管理系统 ** *** *\n"); printf(" * *** ***** 1.学生基本信息管理 ***** *** *\n"); printf(" * ******** 2.学生成绩信息管理 ******** *\n"); printf(" * *** ***** 3.文件操作 ***** *** *\n"); printf(" * *** ** 4.退出 ** *** *\n"); printf(" * *** ********************************************** *** *\n"); printf(" **************************************************************************\n"); printf("\n *请选择："); } void showmenu1(void) { int choice; node *p; char a[10], b[10]; printf("\n\n\n\n\n\n\n\n"); printf("\n ***********************\n"); printf(" ** 1.浏览 **\n"); printf(" ** 2.添加 **\n"); printf(" ** 3.删除 **\n"); printf(" ** 4.修改 **\n"); printf(" ** 5.查找 **\n"); printf(" ** 6.退出 **\n"); printf(" ***********************\n"); printf("\n *请选择："); scanf_s("%d", &choice); if (choice == 1 || choice == 2 || choice == 3 || choice == 4 || choice == 5 || choice == 6) while (choice != 6) { switch (choice) { case 1:system("cls"); Print(head); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; case 2:system("cls"); p = Creat(head); head = p; break; case 3:system("cls"); printf("*请输入你要删除的学生的学号："); scanf_s("%s", a, 10); Delete(head, a); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; case 4:system("cls"); Modify(head); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; case 5:system("cls"); printf("*请输入你要查找的学生的学号："); scanf_s("%s", b, 10); serach(head, b); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; } break; } else { system("cls"); printf("无该选项，请按照提示操作"); system("pause"); system("cls"); } if (choice == 6) { system("cls"); return; } showmenu1(); } void showmenu2(void) { char a[10]; int choice; printf("\n\n\n\n\n\n\n\n"); printf("\n ***********************\n"); printf(" ** 1.浏览 **\n"); printf(" ** 2.修改 **\n"); printf(" ** 3.查找 **\n"); printf(" ** 4.退出 **\n"); printf(" ***********************\n"); printf("\n *请选择："); scanf_s("%d", &choice); if (choice == 1 || choice == 2 || choice == 3 || choice == 4) while (choice != 4) { switch (choice) { case 1:system("cls"); Print1(head); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; case 2:system("cls"); Modify1(head); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; case 3:system("cls"); printf("*请输入你要查找的学生的学号："); scanf_s("%s", a, 10); serach1(head, a); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; } break; } else { system("cls"); printf("无该选项，请按照提示操作"); system("pause"); system("cls"); } if (choice == 4) { system("cls"); return; } showmenu2(); } void showmenu3(void) { int choice; printf("\n\n\n\n\n\n\n\n"); printf(" ************************"); printf("\n ** 1.按平均成绩排名 **\n"); printf(" ** 2.按学号顺序排名 **\n"); printf(" ** 3.按班级归类 **\n"); printf(" ** 4.退出 **\n"); printf(" ************************\n"); printf(" *请选择："); scanf_s("%d", &choice); if (choice == 1 || choice == 2 || choice == 3 || choice == 4) while (choice != 4) { switch (choice) { case 1:system("cls"); head = Order(head); Print2(head); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; case 2:system("cls"); head = Order1(head); Print2(head); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); printf("错啦"); break; case 3:system("cls"); head = Order2(head); Print2(head); printf("\n*请点击回车返回二级菜单"); system("pause"); system("cls"); break; } break; } else { system("cls"); printf("无该选项，请按照提示操作"); system("pause"); system("cls"); } if (choice == 4) { system("cls"); return; } showmenu3(); } int showmenu4(void) { int i; int choice; printf("\n\n\n\n\n\n\n\n"); printf(" ************************"); printf("\n ** 1.新用户登录入口 **\n"); printf(" ** 2.老用户登录入口 **\n"); printf(" ************************\n"); printf(" *请选择："); scanf_s("%d", &choice); if (choice == 1) { system("cls"); printf("\n\n\n\n\n\n\n\n"); printf(" ******************"); printf("\n ** 1.注册账号 **\n"); printf(" ** 2.忘记密码 **\n"); printf(" ******************\n"); printf(" *请选择："); scanf_s("%d", &i); system("cls"); if (i == 1) { printf("\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t对不起,该功能还未完善，请联系管理员"); printf("五秒后将自动退出系统"); Sleep(2000); system("cls"); printf("\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t\t\t\t打我呀"); Sleep(2000); system("cls"); printf("\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t\t\t\t来打我呀"); Sleep(2000); system("cls"); printf("\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t\t\t\t你来打我呀"); Sleep(2000); system("cls"); return 0; } if (i == 2) { int x = 3; printf("\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t请输入曾用密码(你只有三次输入机会，若都错将自动退出系统)："); scanf_s("%s", f, 10); while (strcmp(b, f) != 0) { x--; if (x == 0) { printf("\t\t\t\t"); return 0; } system("cls"); printf("\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t错误，你还有%d次机会，请再次输入曾用密码：", x); scanf_s("%s", f, 10); } system("cls"); printf("\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t密码匹配成功，请输入新密码："); scanf_s("%s", b, 10); system("cls"); printf("\n\n\n\n\n\n\n\n\n\n\n\n\t\t\t\t重置登录系统中，请等待......"); Sleep(3000);