C语言课程设计 学生宿舍管理系统 链表、文件版

编译环境：DEV-C++，采用链表和文件完成的学生宿舍管理系统，伴随代码文件产生"数据.txt"文本文件来存储学生数据。

# include# include# include# include# define F "数据.txt" //文件路径typedef struct Student{int lh;//宿舍楼号     int roomnum;//房间号     int bednum;//床位号     int num;//学号     char name[20];//姓名     char xy[100];//学院     char bj[15];//班级     char sex[10];//性别     struct Student *next;}Stu;//登录界面 void login(){   char userName[5];   char password[5];   int i,sum;   system("color 3E");   printf("\n\n   ---------------------------------欢迎使用---------------------------------\n");   for(i=1;i<4;i++)   {        printf("\n       请输入您的用户名:");        gets(userName);        printf("\n       请输入您的密码:");        gets(password);        if ((strcmp(userName,"001")==0) && (strcmp(password,"123")==0))/*验证用户名和密码*/        {                    printf("\n   ---------------------------------登陆成功---------------------------------");            Sleep(500);            return;        }        else        {            if(i<3)            {                printf("\n     用户名或密码错误，请重新输入!\n");            }            else            {                printf("\n     您已连续3次将用户名或密码输错，系统将退出!");                exit(0);            }        }   }}//菜单选项 int menu_select(){       int a;    do{        system("cls");        printf("\n\n\t\t----------------------学生宿舍管理系统----------------------\n\n");        printf("\t\t☆☆ 1. 添加学生信息                        ☆☆\n\n");        printf("\t\t☆☆ 2. 显示学生信息                        ☆☆\n\n");        printf("\t\t☆☆ 3. 按信息排序并显示                    ☆☆\n\n");        printf("\t\t☆☆ 4. 插入学生信息                        ☆☆\n\n");        printf("\t\t☆☆ 5. 查找学生信息                        ☆☆\n\n");        printf("\t\t☆☆ 6. 修改学生信息                        ☆☆\n\n");        printf("\t\t☆☆ 7. 删除学生信息                        ☆☆\n\n");        printf("\t\t☆☆ 8. 将信息写入文件                      ☆☆\n\n");        printf("\t\t☆☆ 9. 读取文件中的信息                    ☆☆\n\n");printf("\t\t☆☆ 0. 退出系统                            ☆☆\n\n");        printf("\t\t------------------------------------------------------------\n");        printf("\t请选择您要运行的选项按(0-9):");        scanf("%d",&a);    }while(a<0||a>9);    return a;}//添加学生信息 Student *input(int n)                  {int i;Stu *head,*l,*r;if(n<=0){return NULL;}l=(Stu *)malloc(sizeof(Stu));printf("\t\t宿舍楼号:");scanf("%d",&l->lh);printf("\t\t房间号:");                scanf("%d",&l->roomnum);printf("\t\t床位号:");scanf("%d",&l->bednum);printf("\t\t学院:");scanf("%s",&l->xy);printf("\t\t班级:");scanf("%s",&l->bj);printf("\t\t学号:");scanf("%d",&l->num);printf("\t\t姓名:");scanf("%s",&l->name);printf("\t\t性别:");scanf("%s",&l->sex);printf("\n");head=l;for(i=1;ilh);    printf("\t\t房间号:");                    scanf("%d",&r->roomnum);    printf("\t\t床位号:");    scanf("%d",&r->bednum);    printf("\t\t学院:");    scanf("%s",&r->xy);    printf("\t\t班级:");    scanf("%s",&r->bj);    printf("\t\t学号:");    scanf("%d",&r->num);    printf("\t\t姓名:");    scanf("%s",&r->name);    printf("\t\t性别:");    scanf("%s",&r->sex);    printf("\n");    l->next=r;    l=r;    if(i==n-1){l->next=NULL;}}return head;}//输出学生信息void output(Stu *head){printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");Stu *p;p=head;if(head==NULL){printf("\n\t\t\t学生信息为空！\n");}else{do{printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}while(p!=NULL);} }//排序菜单 int sort_menu(){int a;    do{    system("cls");printf("\n\n\t\t------------------------------------------------------------\n\n");         printf("\t\t\t1. 按照宿舍楼号排序\n\n");        printf("\t\t\t2. 按照房间号排序\n\n");        printf("\t\t\t3. 按照床位号排序\n\n");        printf("\t\t\t4. 按照学号排序\n\n");        printf("\t\t\t0. 返回到主菜单\n\n");        printf("\t\t------------------------------------------------------------\n");        printf("\t\t请选择您要运行的选项按(0-4):");        scanf("%d",&a);    }while(a<0||a>8);    return a;}//排序选择菜单 int sort_select(Stu *head,int n){Stu *p,*q;int lh;int roomnum;int bednum;int num; char name[20];char xy[100];char bj[15];char sex[10];    switch(n){case 1:system("cls");for(p=head;p!=NULL;p=p->next){    for(q=p->next;q!=NULL;q=q->next)    {        if(p->lh>q->lh)        {        lh=q->lh;            roomnum=q->roomnum;            bednum=q->bednum;            strcpy(xy,q->xy);            strcpy(bj,q->bj);            num=q->num;            strcpy(name,q->name);            strcpy(sex,q->sex);                            q->lh=p->lh;                q->roomnum=p->roomnum;            q->bednum=p->bednum;            strcpy(q->xy,p->xy);            strcpy(q->bj,p->bj);            q->num=p->num;            strcpy(q->name,p->name);            strcpy(q->sex,p->sex);                            p->lh=lh;                p->roomnum=roomnum;                p->bednum=bednum;                strcpy(p->xy,xy);                strcpy(p->bj,bj);                p->num=num;                strcpy(p->name,name);                strcpy(p->sex,sex);}    }}    output(head);        system("pause");        return 1;    case 2:    system("cls");   for(p=head;p!=NULL;p=p->next){    for(q=p->next;q!=NULL;q=q->next)    {        if(p->roomnum>q->roomnum)        {            lh=q->lh;            roomnum=q->roomnum;            bednum=q->bednum;            strcpy(xy,q->xy);            strcpy(bj,q->bj);            num=q->num;            strcpy(name,q->name);            strcpy(sex,q->sex);                            q->lh=p->lh;                q->roomnum=p->roomnum;            q->bednum=p->bednum;            strcpy(q->xy,p->xy);            strcpy(q->bj,p->bj);            q->num=p->num;            strcpy(q->name,p->name);            strcpy(q->sex,p->sex);                            p->lh=lh;                p->roomnum=roomnum;                p->bednum=bednum;                strcpy(p->xy,xy);                strcpy(p->bj,bj);                p->num=num;                strcpy(p->name,name);                strcpy(p->sex,sex);}    }}    output(head);        system("pause");        return 1;    case 3:    system("cls");    for(p=head;p!=NULL;p=p->next){    for(q=p->next;q!=NULL;q=q->next)    {        if(p->bednum>q->bednum)        {            lh=q->lh;            roomnum=q->roomnum;            bednum=q->bednum;            strcpy(xy,q->xy);            strcpy(bj,q->bj);            num=q->num;            strcpy(name,q->name);            strcpy(sex,q->sex);                            q->lh=p->lh;                q->roomnum=p->roomnum;            q->bednum=p->bednum;            strcpy(q->xy,p->xy);            strcpy(q->bj,p->bj);            q->num=p->num;            strcpy(q->name,p->name);            strcpy(q->sex,p->sex);                            p->lh=lh;                p->roomnum=roomnum;                p->bednum=bednum;                strcpy(p->xy,xy);                strcpy(p->bj,bj);                p->num=num;                strcpy(p->name,name);                strcpy(p->sex,sex);}    }}    output(head);    system("pause");    return 1;    case 4:    system("cls");    for(p=head;p!=NULL;p=p->next){    for(q=p->next;q!=NULL;q=q->next)    {        if(p->num>q->num)        {            lh=q->lh;            roomnum=q->roomnum;            bednum=q->bednum;            strcpy(xy,q->xy);            strcpy(bj,q->bj);            num=q->num;            strcpy(name,q->name);            strcpy(sex,q->sex);                            q->lh=p->lh;                q->roomnum=p->roomnum;            q->bednum=p->bednum;            strcpy(q->xy,p->xy);            strcpy(q->bj,p->bj);            q->num=p->num;            strcpy(q->name,p->name);            strcpy(q->sex,p->sex);                            p->lh=lh;                p->roomnum=roomnum;                p->bednum=bednum;                strcpy(p->xy,xy);                strcpy(p->bj,bj);                p->num=num;                strcpy(p->name,name);                strcpy(p->sex,sex);}    }}    output(head);    system("pause");return 1;    case 0:    system("pause");    return 0;}}//插入学生信息void insert(Stu *head){    Stu *p,*pnew;    int m;pnew=(Stu *)malloc(sizeof(Stu));    printf("\t\t宿舍楼号:");scanf("%d",&pnew->lh);printf("\t\t房间号:");                scanf("%d",&pnew->roomnum);printf("\t\t床位号:");scanf("%d",&pnew->bednum);printf("\t\t学院:");scanf("%s",&pnew->xy);printf("\t\t班级:");scanf("%s",&pnew->bj);printf("\t\t学号:");scanf("%d",&pnew->num);printf("\t\t姓名:");scanf("%s",&pnew->name);printf("\t\t性别:");scanf("%s",&pnew->sex);printf("\n");    printf("\t\t\t请输入想要插到的位置：");scanf("%d",&m);p=head;for(int j=1;jnext;}pnew->next=p->next;p->next=pnew;}//查找菜单 int find_menu(){int a;    do{    system("cls");printf("\n\n\t\t------------------------------------------------------------\n\n");         printf("\t\t\t1. 按照宿舍楼号查找\n\n");        printf("\t\t\t2. 按照房间号查找\n\n");        printf("\t\t\t3. 按照床位号查找\n\n");        printf("\t\t\t4. 按照学院查找\n\n");        printf("\t\t\t5. 按照班级查找\n\n");        printf("\t\t\t6. 按照学号查找\n\n");        printf("\t\t\t7. 按照姓名查找\n\n");        printf("\t\t\t8. 按照性别查找\n\n");        printf("\t\t\t0. 返回到主菜单\n\n");        printf("\t\t------------------------------------------------------------\n");        printf("\t\t请选择您要运行的选项按(1-8):");        scanf("%d",&a);    }while(a<0||a>8);    return a;}//查找选择菜单 int find_select(Stu *head,int n){Stu *p;    switch(n){case 1:system("cls");p=head;int a;printf("\n\t\t\t要查找的宿舍楼号为：");scanf("%d",&a);printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");while(p!=NULL){if(p->lh==a)printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}        system("pause");        return 1;    case 2:    system("cls");p=head;int b;printf("\n\t\t\t要查找的房间号为：");scanf("%d",&b);printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");while(p!=NULL){if(p->roomnum==b)printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}        system("pause");        return 1;    case 3:    system("cls");p=head;int c;printf("\n\t\t\t要查找的床位号为：");scanf("%d",&c);printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");while(p!=NULL){if(p->bednum==c)printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}    system("pause");    return 1;    case 4:    system("cls");p=head;char d[100];printf("\n\t\t\t要查找的学院为：");scanf("%s",&d);printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");while(p!=NULL){if(strcmp(p->xy,d)==0)printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}    system("pause");return 1;case 5:system("cls");p=head;char e[15];printf("\n\t\t\t要查找的班级为：");scanf("%s",&e);printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");while(p!=NULL){if(strcmp(p->bj,e)==0)printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}system("pause");return 1;case 6:system("cls");p=head;int f;printf("\n\t\t\t要查找的学号为：");scanf("%d",&f);printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");while(p!=NULL){if(p->num==f)printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}system("pause");return 1;case 7:system("cls");p=head;char g[20];printf("\n\t\t\t要查找的姓名为：");scanf("%s",&g);printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");while(p!=NULL){if(strcmp(p->name,g)==0)printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}system("pause");return 1;case 8:system("cls");p=head;char h[10];printf("\n\t\t\t要查找的性别为：");scanf("%s",&h);printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");while(p!=NULL){if(strcmp(p->sex,h)==0)printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);p=p->next;}system("pause");return 1;    case 0:    system("pause");    return 0;}}//修改学生信息 void correct(Stu *head){int a;printf("\n\t\t\t请输入将要修改的学生的学号：");scanf("%d",&a);Stu *p;    p=head;while(p!=NULL)    {    if(a==p->num)    {printf("\t\t要修改的宿舍楼号:");    scanf("%d",&p->lh);    printf("\t\t要修改的房间号:");                    scanf("%d",&p->roomnum);    printf("\t\t要修改的床位号:");    scanf("%d",&p->bednum);    printf("\t\t要修改的学院:");    scanf("%s",&p->xy);    printf("\t\t要修改的班级:");    scanf("%s",&p->bj);    printf("\t\t要修改的学号:");    scanf("%d",&p->num);    printf("\t\t要修改的姓名:");    scanf("%s",&p->name);    printf("\t\t要修改的性别:");    scanf("%s",&p->sex);    printf("\n");}        p=p->next;    }}//删除学生信息Student *del(Stu *head){int x,y; printf("\n\t\t\t1.删除某个学生信息");printf("\n\t\t\t2.删除全部学生信息\n");printf("\n\t\t\t选择1或2：");    scanf("%d",&x);    if(x==1)    {    printf("\n\t\t\t请输入将要删除学生的位置：");    scanf("%d",&y);    Stu *p,*q;    int i;    if(y-1==0)    {head=head->next;}else{    p=head;    for(i=1;inext!=NULL;i++){p=p->next;}q=p->next;p->next=q->next;}printf("\n\t\t\t删除成功！\n");return head;}else if(x==2){head=NULL;printf("\n\t\t\t删除成功！\n");return head;}else{printf("输入错误，返回主菜单！\n");return head;}}//写入文件 void write_file(Stu *head){FILE *fp;if((fp=fopen(F,"at+"))==NULL){printf("文件打开失败！\n");}Stu *p;p=head;while(p!=NULL){fprintf(fp,"%d\t",p->lh);fprintf(fp,"%d\t",p->roomnum);fprintf(fp,"%d\t",p->bednum);fprintf(fp,"%s\t",p->xy);fprintf(fp,"%s\t",p->bj);fprintf(fp,"%d\t",p->num);fprintf(fp,"%s\t",p->name);fprintf(fp,"%s\n",p->sex);p=p->next;}// 刷新缓冲区，将缓冲区的内容写入文件     fflush(fp);    fclose(fp);}//读取文件 void read_file(){printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");printf(" 宿舍楼号          房间号               床位号                学院                     ");printf("班级                学号                 姓名                  性别\n");printf(" -------------------------------------------------------------------------------");printf("-------------------------------------------------------------------------------\n");int lh;//宿舍楼号     int roomnum;//房间号     int bednum;//床位号     int num;//学号     char name[20];//姓名     char xy[100];//学院     char bj[15];//班级     char sex[10];//性别 FILE *fp;fp=fopen(F,"rt");while(fscanf(fp,"%d\t%d\t%d\t%s\t%s\t%d\t%s\t%s",&lh,&roomnum,&bednum,&xy,&bj,&num,&name,&sex)!=EOF){printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",lh,roomnum,bednum,xy,bj,num,name,sex);}}int main()          {int n,m,x,y;login();Stu *head=NULL;Stu *pnew;for(;;){        switch(menu_select())        {            case 1:            system("cls");            printf("\n\n\t\t------------------------------------------------------------\n\n");printf("\t\t\t输入学生的个数：");scanf("%d",&n);if(n<=0){printf("\n\t\t\t请输入正确的人数!");Sleep(500);break;}else{printf("\n\t\t\t输入学生数据\n\n");            head=input(n);            break;}            case 2:            system("cls");            printf("\n\t\t\t\t\t\t\t\t显示学生数据\n");            output(head);            system("pause");            break;             case 3:do{x=sort_select(head,sort_menu());}while(x!=0);                break;            case 4:                system("cls");                printf("\n\n\t\t------------------------------------------------------------\n\n");                printf("\t\t\t输入要插入的学生的信息\n");insert(head);printf("\n\t\t插入成功！\n");system("pause");break;                           case 5:            system("cls");do{y=find_select(head,find_menu());}while(y!=0);                break;            case 6:            system("cls");                printf("\n\n\t\t------------------------------------------------------------\n\n");correct(head);printf("\n\t\t\t修改成功！\n");                system("pause");                break;case 7:system("cls");                printf("\n\n\t\t------------------------------------------------------------\n\n");                head=del(head);                system("pause");                break;case 8:write_file(head);printf("\n\t\t\t写入成功！\n");system("pause");break;case 9:printf("\n\t\t\t读取成功！\n");read_file();system("pause");break;            case 0:                printf("\n\t\t\t谢谢使用\n");                exit(0);        }}}

登录界面用户名和密码分别为001，123。

登录界面和主菜单图示如下图。