数据结构设计——班级个人信息管理系统

xiaoxiao2021-02-28  15

/*************************************** *版权所有 (C)2017,liuzhaojing *文件名称:stu.h *文件标识:无 *内容摘要:定义数据和函数声明 *其他说明:无 *当前版本:V1.0 *作者:刘照京 *完成时间:20171222 *修改记录: *修改时间:20171222 *版本号:V1.0 *修改人:liuzhaojing ****************************************/ #include "stdio.h" #include "stdlib.h" #include "string.h" #include "conio.h" #define N sizeof(struct student) //测结构体变量的大小// typedef struct student { char number[20]; char name[20]; char sex[20]; char Tel[20]; char college[20]; char mail[20]; int score;//成绩 struct student *next; } stu; //为结构体命名// stu *creatlink( stu * &head); //创建链表信息// stu *delet(stu *p0); //删除信息// stu *modify(stu *h); //修改信息// void findNum(stu *h); //查询信息// void findName(stu *h); //查询信息// void print(stu *p); //显示全部信息// stu *sort(stu *head); //冒泡排序 int MainMenu(); int FindMenu(); int ManageMenu(); int StudentMenu(); void findNum(stu *h); void findName(stu *h); 源文件main.cpp [cpp] view plain copy /*************************************** *版权所有 (C)2016,liuzhaojing *文件名称:main.cpp *文件标识:无 *内容摘要:每个函数的实现以及主函数 *其他说明:无 *当前版本:V1.0 *作者:刘照京 *完成时间:20171222 *修改记录: *修改时间:20171222 *版本号:V1.0 *修改人:liuzhaojing ****************************************/ #include"stu.h" int main() { int nChoose1; int nChoose2; int nChoose3; int nChoose4; int nEnd = 1; int nEnd2 = 1; int nEnd3 = 1; char sName[10]; char sPassword[10]; int i; //choice用于选择对数据执行操作,i循环,ok主界面选择// stu *head; head = NULL; while (nEnd) { nChoose1 = MainMenu(); switch (nChoose1) { case 0: nEnd = 0; break; case 1: printf("**************************************\n"); printf("请输入账号:\n"); scanf("%s", sName); printf("**************************************\n"); printf("请输入密码:\n"); scanf("%s", sPassword); if (strcmp(sName,"root")!=0) { printf("账号错误!\n"); } else { if (strcmp(sPassword,"root")!=0) { printf("密码错误!\n"); } else { nEnd2 = 1; while (nEnd2) { nChoose2 = ManageMenu(); switch (nChoose2) { case 1: head = creatlink(head); break; case 2: head = delet(head); break; case 3: head = modify(head); break; case 4: nChoose4 = FindMenu(); switch (nChoose4) { case 1: findNum(head); break; case 2: findName(head); break; default: printf("=========================================================================\n"); printf(" 错误的选项号 \n"); printf("=========================================================================\n"); break; } break; case 5: head = sort(head); break; case 0: nEnd2 = 0; break; default: printf("=========================================================================\n"); printf(" 错误的选项号 \n"); printf("=========================================================================\n"); break; } } } } break; case 2: nEnd3 = 1; while (nEnd3) { nChoose3 = StudentMenu(); switch (nChoose3) { case 0: nEnd3 = 0; break; case 1: nChoose4 = FindMenu(); switch (nChoose4) { case 1: findNum(head); break; case 2: findName(head); break; default: printf("=========================================================================\n"); printf(" 错误的选项号 \n"); printf("=========================================================================\n"); break; } break; default: printf("=========================================================================\n"); printf(" 错误的选项号 \n"); printf("=========================================================================\n"); break; } } break; default: printf("=========================================================================\n"); printf(" 错误的选项号 \n"); printf("=========================================================================\n"); break; } } } 源文件stu.cpp [cpp] view plain copy /*************************************** *版权所有 (C)2016,liuzhaojing *文件名称:stu.cpp *文件标识:无 *内容摘要:每个函数的实现 *其他说明:无 *当前版本:V1.0 *作者:刘照京 *完成时间:20171222 *修改记录: *修改时间:20171222 *版本号:V1.0 *修改人:liuzhaojing ****************************************/ #include <malloc.h> #include "stu.h" stu *creatlink( stu * &head) //尾插法创建链表 { int score; stu *p1, *p2; int i = 1; char choice1; head = p2 = (stu *)malloc(N); //p2始终指向尾节点,开始时指向头结点 head->next = NULL; choice1 = 'y'; for (i = 1; choice1 == 'y' || choice1 == 'Y'; i++) { p1 = (stu *)malloc(N); printf("*******************************************************************************\n\n"); printf("请输入第%d个学生的信息:\n", i); printf("学号:"); scanf("%s", p1->number); printf("\n姓名:"); scanf("%s", p1->name); printf("\n性别:"); scanf("%s", p1->sex); printf("\n手机号:"); scanf("%s", p1->Tel); printf("\n学院:"); scanf("%s", p1->college); printf("\n邮箱:"); scanf("%s", p1->mail); printf("\n成绩:"); scanf("%d", &score); p1->score= score; p2->next = p1; // 将*p1插入*p2后 p2 = p1; printf("\n是否继续?(Y/N):"); choice1 = getch(); printf("\n"); } p2->next = NULL; return(head); } stu *delet(stu *head) //删除信息 { char num[20]; stu *p=head ,*q ; char choice2; printf("\n请输入要删除学生的学号:"); scanf("%s", num); while (strcmp(p->number, num) != 0&& p!= NULL ) //找到要删除的学生的信息 { p= p->next; } if(p==NULL) //未找到该信息 { printf("输入错误:\n"); printf("\n按任意键结束!"); getch(); } else { q=p->next; printf("你要删除的信息如下,请确认是否删除:\n"); printf("\n学号:%s 姓名:%s 性别:%s 手机号:%s 学院:%s 邮箱:%s 成绩:%s\n\n", q->number, q->name, q->sex, q->Tel, q->college, q->mail, q->score); printf("\n是Y,否N:"); //显示要删除的学生的信息// choice2 = getch(); if (choice2 == 'Y' || choice2 == 'y') { p->next = q->next; free(q); printf("\n删除成功!"); } printf("\n按任意键结束!"); getch(); return head; } } stu *modify(stu *h) //修改信息 { int score; char num[20]; stu *p; char choice; printf("\n请输入要修改学生信息的学号:"); scanf("%s", num); for (p = h; strcmp(p->number, num) != 0; p = p->next); //找到要删除的学生的信息 while (1) { printf("请输入修改后学生的信息:\n"); printf("学号:"); scanf("%s", p->number); printf("\n姓名:"); scanf("%s", p->name); printf("\n性别:"); scanf("%s", p->sex); printf("\n手机号:"); scanf("%s", p->Tel); printf("\n学院:"); scanf("%s", p->college); printf("\n邮箱:"); scanf("%s", p->mail); printf("\n成绩:"); scanf("%d", &score); p->score= score; printf("修改后学生信息如下:\n"); printf("\n学号:%s 姓名:%s 性别:%s 手机号:%s 学院:%s 邮箱:%s 成绩:%d\n\n", p->number, p->name, p->sex, p->Tel, p->college, p->mail,p->score); printf("\n确认?是Y否N:"); choice = getch(); if (choice == 'y' || choice == 'Y') break; } printf("\n修改成功,按任意键继续!"); getch(); return h; } void findNum(stu *h) //按学号查询信息 { char num[20]; stu *p; printf("\n请输入你要查找的学生的学号:"); scanf("%s", num); for (p = h; strcmp(p->number, num) != 0; p = p->next); printf("你查找的学生信息如下:\n"); printf("\n学号:%s 姓名:%s 性别:%s 手机号:%s 学院:%s 邮箱:%s 成绩:%d\n\n", p->number, p->name, p->sex, p->Tel, p->college, p->mail, p->score); printf("按任意键继续!"); getch(); } void findName(stu *h) //按姓名查询信息 { char name[20]; stu *p; printf("\n请输入你要查找的学生的姓名:"); scanf("%s", name); for (p = h; strcmp(p->name, name) != 0; p = p->next); printf("你查找的学生信息如下:\n"); printf("\n学号:%s 姓名:%s 性别:%s 手机号:%s 学院:%s 邮箱:%s 成绩:%d\n\n", p->number, p->name, p->sex, p->Tel, p->college, p->mail, p->score); printf("按任意键继续!"); getch(); } void print(stu *p) //显示全部信息 { p=p->next; while (p != NULL) { printf("\n学号%s 姓名%s 性别%s 手机号%s 学院%s 邮箱%s 成绩%d\n", p->number, p->name, p->sex, p->Tel, p->college, p->mail,p->score); p = p->next; } printf("\n按任意键继续!"); getch(); } stu *sort(stu *head) //按成绩冒泡排序 { stu* p1; stu* p2; char number[20]; char name[20]; char sex[20]; char Tel[20]; char college[20]; char mail[20]; int score;//成绩 p1 = head; while (p1!=NULL) { p2 = p1->next; while (p2!=NULL) { if (p2->score<p1->score) { //完成数值交换 strcpy(number, p2->number); strcpy(name, p2->name); strcpy(sex, p2->sex); strcpy(Tel, p2->Tel); strcpy(college, p2->college); strcpy(mail, p2->mail); score= p2->score; strcpy(p2->number, p1->number); strcpy(p2->name, p1->name); strcpy(p2->sex, p1->sex); strcpy(p2->Tel, p1->Tel); strcpy(p2->college, p1->college); strcpy(p2->mail, p1->mail); p2->score= p1->score; strcpy(p1->number, number); strcpy(p1->name, name); strcpy(p1->sex, sex); strcpy(p1->Tel, Tel); strcpy(p1->college, college); strcpy(p1->mail, mail); p1->score= score; } p2 = p2->next;//指向下一个节点 } p1 = p1->next;//指向下一个节点 } print(head); printf("学生信息排序完毕,按任意键继续!"); getch(); return(head); /*返回头指针*/ } //============================系统主菜单========================== int MainMenu() { int ok; system("cls"); printf("=========================================================================\n"); printf(" 欢迎来到学生信息管理系统主界面! \n"); printf("=========================================================================\n"); printf(" 1.教师 \n"); printf(" 2.学生 \n"); printf(" 0.退出 \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf(" \n"); printf("=========================================================================\n"); scanf("%d", &ok); return ok; } //============================查询主菜单========================== int FindMenu() { int ok; system("cls"); printf("=========================================================================\n"); printf(" 1.按学号 \n"); printf(" 2.按姓名 \n"); printf(" 0.退出 \n"); scanf("%d", &ok); return ok; } //============================管理员菜单========================== int ManageMenu() { int choice; system("cls"); printf("=========================================================================\n"); printf(" 1. 添加学生信息 \n"); printf(" 2. 删除学生信息 \n"); printf(" 3. 修改学生信息 \n"); printf(" 4. 查询学生信息 \n"); printf(" 5. 排序显示信息 \n"); printf(" 0. 返 回 \n"); printf("请输入你要执行的操作代码:"); scanf("%d", &choice); return choice; } //============================管理员菜单========================== int StudentMenu() { int choice; system("cls"); printf("=========================================================================\n"); printf(" 1. 查询学生信息 \n"); printf(" 0. 返 回 \n"); printf("请输入你要执行的操作代码:"); scanf("%d", &choice); return choice; }

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