C语言如何使用单链表实现学生信息管理系统

这篇文章主要介绍了C语言如何使用单链表实现学生信息管理系统，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

运行结果如图：

1.运行界面

2.录入学生信息

3.按照总分进行排序

代码如下：

#define ERROR 0#define OK 1#define OVERFLOW -1;typedef int ElemType;typedef int Status;#include#include#include#include#includetypedef struct{ char name[20]; char snumber[20]; char sex[10]; int math; int chinese; int english;}student;typedef struct LNode{ student data; struct LNode *next;}LNode,*LinkList;//单链表初始化Status InitList(LinkList &L){ L = new LNode; L->next = NULL; return OK;}//创建单链表void CreateList(LinkList &L,int n){ LinkList r; LinkList p; L = new LNode; L->next = NULL; r = L; int i; for(i = 0;idata.name,&p->data.snumber,&p->data.sex,&p->data.chinese,&p->data.math,&p->data.english);  //scanf("%d%d%d",&p->data.chinese,&p->data.math,&p->data.english);  p->next=NULL;  r->next=p;  r = p; }}//总分统计int GradeSum(LinkList L){ int sum; sum = (L->data.chinese)+(L->data.english)+(L->data.math); return sum;}//统计所有学生信息void BianLi(LinkList L){ LinkList p; p = L->next; printf("姓名\t学号\t性别\t语文\t数学\t英语\t总分\n"); while(p){  printf("%s\t%s\t%s\t",p->data.name,p->data.snumber,p->data.sex);  printf("%d\t%d\t%d\t%d",p->data.chinese,p->data.math,p->data.english,GradeSum(p));  p = p->next;  printf("\n"); }}//按照总分排序void OrderSum(LinkList &L){ LinkList p,q,tail; tail = NULL; while((L->next->next) != tail) {  p = L;  q = L->next;  while(q->next != tail)  {   if( GradeSum(q) <  GradeSum(q->next))   {    p->next = q->next;    q->next = q->next->next;    p->next->next = q;    q = p->next;   }   q = q->next;   p = p->next;  }  tail = q; } printf("排序完毕！\n");}//根据语文进行排序void OrderChinese(LinkList &L){ LinkList p,q,tail; tail = NULL; while((L->next->next) != tail) {  p = L;  q = L->next;  while(q->next != tail)  {   if((q->data.chinese) < (q->next->data.chinese))   {    p->next = q->next;    q->next = q->next->next;    p->next->next = q;    q = p->next;   }   q = q->next;   p = p->next;  }  tail = q; } printf("排序完毕！\n");}//根据英语进行排序void OrderEnglish(LinkList &L){ LinkList p,q,tail; tail = NULL; while((L->next->next) != tail) {  p = L;  q = L->next;  while(q->next != tail)  {   if((q->data.english) < (q->next->data.english))   {    p->next = q->next;    q->next = q->next->next;    p->next->next = q;    q = p->next;   }   q = q->next;   p = p->next;  }  tail = q; } printf("排序完毕！\n");}//根据数学进行排序void OrderMath(LinkList &L){ LinkList p,q,tail; tail = NULL; while((L->next->next) != tail) {  p = L;  q = L->next;  while(q->next != tail)  {   if((q->data.math) < (q->next->data.math))   {    p->next = q->next;    q->next = q->next->next;    p->next->next = q;    q = p->next;   }   q = q->next;   p = p->next;  }  tail = q; } printf("排序完毕！\n");}//删除学生信息Status ListDelete(LinkList &L,int i){ LinkList p; LinkList q; int j; p = L;j = 0; while((p->next)&&(jnext;  ++j; } if(!(p->next)||(j>i-1)) return ERROR; q = p->next; p->next = q->next; delete q; return OK;}void DeleteStudent(LinkList &L){ int i; printf("请输入需要删除的学生序号\n"); scanf("%d",&i); ListDelete(L,i); printf("删除完毕！\n");}//插入学生信息Status ListInsert(LinkList &L,int i,char name[],char snumber[],char sex[],int chinese,int math,int english){ LinkList p = L; LinkList s; int j = 0; while(p && (jnext;  ++j; } if(!p||j>i-1) return ERROR; s = new LNode; strcpy(s->data.name,name); strcpy(s->data.snumber,snumber); strcpy(s->data.sex,sex); s->data.chinese = chinese; s->data.math = math; s->data.english = english; s->next = p->next; p->next = s; return OK;}void InsertStudent(LinkList &L){ int n; char name[20],snumber[20],sex[10]; int chinese,math,english; printf("请输入插入的位置N："); scanf("%d",&n); printf("请依次输入学生的姓名、学号、性别、语文成绩、数学成绩、英语成绩、总分\n"); scanf("%s%s%s%d%d%d",&name,&snumber,&sex,&chinese,&math,&english);  ListInsert(L,n,name,snumber,sex,chinese,math,english);}void menu(){ printf("\t\t\t  ======================================================\n\n"); printf("\t\t\t ‖                学生信息管理系统                    ‖ \n\n"); printf("\t\t\t  ======================================================\n\n");  printf("\t\t\t  ===================系统功能菜单=======================\n"); printf("\t\t\t ‖  ------------------------------------------------  ‖\n"); printf("\t\t\t ‖  ------------------------------------------------  ‖ \n"); printf("\t\t\t  ======================================================  \n"); printf("\t\t\t ‖    0.录入学生信息      ‖ ‖  1.统计学生信息       ‖     \n"); printf("\t\t\t  ======================================================\n");  printf("\t\t\t ‖    2.按照总分排序      ‖ ‖  3.按照语文成绩排序   ‖     \n"); printf("\t\t\t  ====================================================== \n"); printf("\t\t\t ‖    4.按照数学成绩排序  ‖ ‖  5.按英语成绩排序     ‖    \n"); printf("\t\t\t  ======================================================\n"); printf("\t\t\t ‖    6.删除学生信息      ‖ ‖  7.插入学生信息       ‖    \n"); printf("\t\t\t  ====================================================== \n"); printf("\t\t\t ‖    8.退出系统          ‖         \n"); printf("\t\t\t  ==========================     \n"); printf("\t\t\t     -----------------------------------------------  \n"); printf("\n\n\n");}void luRu(LinkList &L){ int n; printf("请输入学生数目N："); scanf("%d",&n); printf("请依次输入学生的姓名、学号、性别、语文成绩、数学成绩、英语成绩、总分\n"); CreateList(L,n); printf("学生信息已录入完毕！\n");}void main(int args,char argv[]){ LinkList p; InitList(p); int i; do{  menu();  scanf("%d",&i);  getchar();  switch(i){  case 0:luRu(p);break;  case 1:BianLi(p);break;  case 2:OrderSum(p);BianLi(p);break;  case 3:OrderChinese(p);BianLi(p);break;  case 4:OrderMath(p);BianLi(p);break;  case 5:OrderEnglish(p);BianLi(p);break;  case 6: DeleteStudent(p);break;  case 7:InsertStudent(p);break;  case 8:exit(0);  } }while(i != -1);}

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