C++实现学生宿舍管理系统 C++实现学生宿舍管理系统

本文实例为大家分享了C++实现学生宿舍管理系统的具体代码，供大家参考，具体内容如下
非常简易，完成个作业够用，仅供初学者参考，不喜勿喷。

#include#include#include#include/*先用结构体定义学生信息*/struct stud {intnum; //学号 charname[10]; //姓名 charsex[8]; //性别 intage; //年龄 charmajor[18]; //专业 intgrade; //年级 intclasses; //班级 intbuilding; //楼号 intfloor; //楼层 intdormitary; //宿舍号 struct stud *next; /*next是指向本结构体的类型的指针类型*/}; struct stud *h; /*定义结构体的指针变量*/int N=sizeof(struct stud); //获取结构体总长度，用于分配内存空间 /*输入模块: 建立链表*/void input_message(){struct stud *p1,*p2; int i,k; system("cls"); printf("********** 您当前正在进行的操作是，输入学生信息 **********\n\n"); printf("请输入本次注册的生总数:"); scanf("%d",&k); h=NULL; printf("\n您共有%d个学生信息需要录入\n",k); if(k>0){ h=p2=p1=(struct stud*)malloc(N); /*为head,p2,p1申请存储空间*/for(i=1; i<=k; i++){ printf("\n请输入第%d名学生的信息:\n\n",i); p1=(struct stud*)malloc(N); printf("学号:"); scanf("%d",&p1->num); printf("姓名:"); scanf("%s",p1->name); printf("性别（男或女）:"); scanf("%s",p1->sex); printf("年龄:"); scanf("%d",&p1->age); printf("专业:"); scanf("%s",p1->major); printf("年级:"); scanf("%d",&p1->grade); printf("班级:"); scanf("%d",&p1->classes); printf("楼号:"); scanf("%d",&p1->building); printf("楼层:"); scanf("%d",&p1->floor); printf("宿舍号:"); scanf("%d",&p1->dormitary); p2->next=p1; /*将新结点连到表尾*/p2=p1; /*p2指向新的表尾*/}p2->next=NULL; h=h->next; }getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 printf("\n%*s%s\n",10," ","输入完成，按任意键进入主菜单!!!!"); getchar(); }/*输出模块:显示链表*/void output_message(){char v; struct stud *p=h; system("cls"); printf("********** 您当前正在进行的操作是，显示学生信息 **********\n\n"); if(p==NULL){printf("%*s%s\n",10," ","当前没有找到任何学生信息，请您先输入信息，再执行本操作!\n"); getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 printf("%*s%s\n",10," ","按任意键返回主菜单!!!!"); getchar(); return; }printf("学号姓名性别年龄专业年级班级楼号楼层宿舍号\n\n"); while(p!=NULL){printf("%6d%10s%6s%6d%10s%6d%6d%6d%6d%8d\n",p->num,p->name,p->sex,p->age,p->major,p->grade,p->classes,p->building,p->floor,p->dormitary); p=p->next; }getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 printf("\n%*s%s\n",10," ","输出完成，按任意键返回主菜单!!!!"); getchar(); }/*插入新学生信息:插入链表*/void insert_message(){struct stud *p0,*p1; p1=(struct stud *)malloc(N); system("cls"); printf("********** 您当前正在进行的操作是，插入学生信息 **********\n\n"); printf("\n请输入要插入学生的信息:\n\n"); p1=(struct stud*)malloc(N); printf("学号:"); scanf("%d",&p1->num); printf("姓名:"); scanf("%s",p1->name); printf("性别（男或女）:"); scanf("%s",p1->sex); printf("年龄:"); scanf("%d",&p1->age); printf("专业:"); scanf("%s",p1->major); printf("年级:"); scanf("%d",&p1->grade); printf("班级:"); scanf("%d",&p1->classes); printf("楼号:"); scanf("%d",&p1->building); printf("楼层:"); scanf("%d",&p1->floor); printf("宿舍号:"); scanf("%d",&p1->dormitary); p1->next=NULL; if(h==NULL)//如果链表为空，插入的节点设为表头{h=p1; getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 printf("\n%*s%s\n",10," ","插入成功！按任意键返回主菜单!!!!"); getchar(); return; }p0=h; while((p0->next)!=NULL&&(p0->next->num)<(p1->num)){p0=p0->next; }if(p0->next==NULL){p0->next=p1; //如果到尾部了加到尾部getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 printf("\n%*s%s\n",10," ","插入成功！按任意键返回主菜单!!!!"); getchar(); }else if((p0->next->num)==(p1->num)){free(p1); //如果已经存在这个学号，那就不能再插入了，释放getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 printf("\n%*s%s\n",10," ","插入失败，本学号信息已经存在！按任意键返回主菜单!!!!"); getchar(); }else{//插入 p1->next=p0->next; p0->next=p1; getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 printf("\n%*s%s\n",10," ","插入成功！按任意键返回主菜单!!!!"); getchar(); }}/*删除学生信息*/void del_message(){int num; bool delOk=false; struct stud *p0,*p1; system("cls"); printf("********** 您当前正在进行的操作是，删除学生信息 **********\n\n"); if(h==NULL){printf("%*s%s\n",10," ","当前没有找到任何学生信息，请您先输入信息，再执行本操作!\n"); getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 printf("%*s%s\n",10," ","按任意键返回主菜单!!!!"); getchar(); return; }printf("请输入要删除学生的学号:"); scanf("%d",&num); p0=h; if(p0->num==num){h=p0->next; free(p0); /*若首结点是所要删除的数据,则释放首结点*/delOk=true; }else{p1=p0->next; while(p1!=NULL){if(p1->num==num){p0->next=p1->next; free(p1); delOk=true; break; //跳出循环 }p0=p1; p1=p1->next; }} getchar(); //吸收掉上一行录入时键入的回车符号，否则卡不住 if(delOk)printf("%*s%s\n",10," ","删除成功! 按任意键返回主菜单!!!!"); elseprintf("%*s%s\n",10," ","没有找到匹配学号，删除失败! 按任意键返回主菜单!!!!"); getchar(); }//主函数 int main(void){int choice; do{system("cls"); printf("\n\n\n"); printf("%*s%s",10," ","********** 学生宿舍管理系统 **********\n\n"); printf("%*s%s",25," ","1.输入学生信息\n\n"); printf("%*s%s",25," ","2.输出学生信息\n\n"); printf("%*s%s",25," ","3.插入学生信息\n\n"); printf("%*s%s",25," ","4.删除学生信息\n\n"); printf("%*s%s",25," ","0.退出系统\n\n"); printf("%*s%s",10," ","*********************************************\n\n"); printf("%*s%s",10," ","请选择0-4之间任意整数:"); scanf("%d",&choice); switch(choice){case 1:input_message(); break; case 2:output_message(); break; case 3:insert_message(); break; case 4:del_message(); break; case 0:break; }}while(choice!=0); }