学生籍贯信息记录簿设计 C语言程序

[wxjs054631236]

学生籍贯信息记录簿设计
编制一个学生籍贯信息记录簿，每个学生信息包括：学号、姓名、籍贯。具体功能：
（1）创建信息并以磁盘文件保存；
（2）读取磁盘文件并显示输出所有学生的籍贯信息；
（3）按学号或姓名查询其籍贯；
（4）按籍贯查询并输出该籍贯的所有学生；
（5）统计并生成统计报表：
（6）能添加、删除和修改学生的籍贯信息；



课程设计题目设置
下列题目，请学生任选一题完成。要求：
（1）采用模块化程序设计的方法。
（2）锯齿型程序书写格式。
（3）必须上机调试通过。
（4）源程序代码中有注释。

[风吹草低现羊牛]

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define true 1
struct student
{
	char name[60];
	char ID[7];
	int score;
};

int dq(struct student st[]);
void xianshi();
void bc(struct student st[]);
void add(); 
void select();
void zz();
void chazhao();
void xhcz();
void xmcz();
void del();
void xmsc();
void xhsc();
void tj();
void bjg();
void xg();
void xhxg(); 
void xmxg();
void bca();
void fh();
struct student st[300]; 
int Number=0; 
void main()
{
	int choose=0;
	FILE *fp=NULL;
	char yesorno;

	if((fp=fopen("C://student.dat","rb"))==NULL)
	{
		printf("\n=========>提示：文件不存在，是否要创建一个?(y/n)\n");
		scanf("%c",&yesorno);
		if(yesorno=='y'||yesorno=='Y')
		{ 
			fp=fopen("C://student.dat","wb");
			fclose(fp);
		}
		else
			exit(0);
	}
	else
	{
		Number=dq(st); 
	}
	system("cls");
	while(true) 
	{ 
		xianshi();
		printf("\t\t====>请选择：");
		scanf("%d",&choose);
		system("cls");
		switch(choose)
		{
			case 0: exit(0);fh();break; 
			case 1: add();fh();break;
			case 2: select();fh();break;
		    case 3: chazhao();fh();break;
			case 4: del();fh();break;
			case 5: tj();fh();break;
			case 6: bjg();fh();break;
			case 7: xg();fh();break; 
			case 8:zz();fh();break;
			case 9:bca();break;
			default:break;		
		}
		fflush(stdin);
		getchar();
		system("cls");
	}
}



void bca()
{
	printf("\t=====程序在运行时已自动保存.....\n");
}

void fh()
{
	printf("\t===>按Enter键返回主菜单\n");
}

void xg() 
{
	int way=0;
	printf("请选择修改查找方式\n");
	printf("1 按姓名查找修改\n"); 
	printf("2 按学号查找修改\n"); 
	scanf("%d",&way);
	switch(way)
	{
		case 1: xmxg();break;
		case 2: xhxg();break;
		default: printf("输入有误，结束!\n");break;	
	} 
}


void xmxg() 
{
	FILE *fp=NULL;
	char name[60];
	int i=0;
	int changeIndex=0;
	int index=0;
	printf("请输入要修改的学生姓名：");
	scanf("%s",name);
	for (i=0;i<Number;i++)
	{
		if (strcmp(name,st[i].name))
			{
				changeIndex=i; 
			}
		break;
	}
	printf("\t姓名\t学号\t成绩\n");
	printf("\t%s\t%s\t%d\n\n",st[changeIndex].name,st[changeIndex].ID,st[changeIndex].score);
	printf("请重新输入该学生信息");
	printf("姓名：");
	scanf("%s",st[changeIndex].name);
	printf("学号：");
	scanf("%s",st[changeIndex].ID);
	printf("成绩：");
	scanf("%d",&st[changeIndex].score);


	fp=fopen("C://student.dat","wb");
	for (i=0;i<Number;i++)
	{
		fwrite(&st[i],sizeof(struct student),1,fp);
	}
	fclose(fp);
}


void xhxg()
{
	FILE *fp=NULL;
	char id[60];
	int i=0;
	int changeIndex=0;
	int index=0;
	printf("请输入要修改的学生学号：");
	scanf("%s",id);
	for (i=0;i<Number;i++)
	{
		if (strcmp(id,st[i].ID))
		{
			changeIndex=i; 
		}
		break;
	}
	printf("\t姓名\t学号\t成绩\n");
	printf("\t%s\t%s\t%d\n\n",st[changeIndex].name,st[changeIndex].ID,st[changeIndex].score);
	printf("请重新输入该学生信息");
	printf("姓名：");
	scanf("%s",st[changeIndex].name);
	printf("学号：");
	scanf("%s",st[changeIndex].ID);
	printf("成绩：");
	scanf("%d",&st[changeIndex].score);


	fp=fopen("C://student.dat","wb");
	for (i=0;i<Number;i++)
	{
		fwrite(&st[i],sizeof(struct student),1,fp);
	}
	fclose(fp);
	printf("\t=======>修改成功\n");
}

void bjg()  
{
	int i=0;
	printf("以下是不及格:\n");
	printf("\t姓名\t学号\t成绩\n");
	for (i=0;i<Number;i++)
	{
		if (st[i].score<60)
		{
			printf("\t%s\t%s\t%d\n",st[i].name,st[i].ID,st[i].score);
		}
	}
}
void tj()
{
int i=0;
double sum=0.0;
for(i=0;i<Number;i++)
{
sum+=st[i].score;
}
printf("全班总分为：%f\n",sum);
printf("平均分为：%f\n",sum/Number); 
} 


void del()
{
	int n=0;
	printf("1 按姓名删除\n");
	printf("2 按学号删除\n");
	scanf("%d",&n);
	switch(n)
	{
		case 1: xmsc();break;
		case 2: xhsc();break;
	}
}


void xmsc() 
{
	FILE *fp=NULL;
	char name[60];
	int i=0;
	int j=0;
	printf("请输入要删除的学生姓名：");
	scanf("%s",name);
	for(i=0;i<Number;i++)
	{
		if(strcmp(name,st[i].name)==0) 
		{
			for (j=i;j<Number-1;j++)
			{
				st[j]=st[j+1];
			}
			Number--;
		}
	}
	fp=fopen("C://student.dat","wb");
	for (i=0;i<Number;i++)
	{
		fwrite(&st[i],sizeof(struct student),1,fp);
	}
	fclose(fp);
	printf("删除成功;\n");
}

void xhsc() 
{
	FILE *fp=NULL;
	char id[60];
	int i=0;
	int j=0;
	printf("请输入要删除的学生学号：");
	scanf("%s",id);
	for(i=0;i<Number;i++)
	{
		if (strcmp(id,st[i].ID)==0) 
		{
			for (j=i;j<Number-1;j++)
			{
				st[j]=st[j+1];
			}
			Number--;
		}
	}
	fp=fopen("C://student.dat","wb");
	for (i=0;i<Number;i++)
	{
		fwrite(&st[i],sizeof(struct student),1,fp);
	}
	fclose(fp);
	printf("删除成功;\n");
}

void chazhao()
{
	int n=0;
	printf("1 按姓名查找\n");
	printf("2 按学号查找\n"); 
	scanf("%d",&n);
	switch(n)
	{
	case 1: xmcz();break;
	case 2: xhcz();break;
	default: printf("输入有误，结束!\n");
	break;
	} 
}

void xhcz() 
{
	char id[7];
	int i=0;
	printf("请输入要查找学生学号:");
	scanf("%s",id);
	system("cls");
	printf("\t姓名\t学号\t成绩\n");
	for(i=0;i<Number;i++)
	{
		if (strcmp(id,st[i].ID)==0)
		{
			printf("\t%s\t%s\t%d\n",st[i].name,st[i].ID,st[i].score); 
		}
	}
}


void xmcz()
{ 
	char name[7];
	int i=0;
	printf("请输入要查找学生姓名:");
	scanf("%s",name);
	system("cls");
	printf("\t姓名\t学号\t成绩\n");
	for (i=0;i<Number;i++)
	{
		if (strcmp(name,st[i].name)==0)
		{
			printf("\t%s\t%s\t%d\n",st[i].name,st[i].ID,st[i].score);
		}
	}
}


void zz()
{
	printf("\t**********************************************************\n\n");
	printf("\t^^^^^^^^^        《学生成绩管理系统》           ^^^^^^^^^^\n\n");
	printf("\t^^^^^^^^^     四川省托普信息技术职业学院        ^^^^^^^^^^\n\n");
	printf("\t^^^^^^^^^      09级计算机网络技术IBM2班         ^^^^^^^^^^\n\n");
	printf("\t^^^^^^^^^              周桂修改                 ^^^^^^^^^^\n\n");
	printf("\t**********************************************************\n\n");
}


void select()
{
	int i=0;
	printf("以下是全部学生成绩\n");
	printf("\t姓名\t学号\t成绩\n");
	for(i=0;i<Number;i++)
	{
		printf("\t%s\t%s\t%d\n",st[i].name,st[i].ID,st[i].score);
	}
}


void add()
{
	int numberTemp=0;
	int i=0;
	struct student temp; 
	printf("请输入要增加学生成绩个数：");
	scanf("%d",&numberTemp);
	for(i=0;i<numberTemp;i++)
	{
		printf("输入第%d个同学信息\n",i+1);
		printf("姓名：");
		scanf("%s",temp.name);
		printf("学号：");
		scanf("%s",temp.ID);
		printf("成绩：");
		scanf("%d",&temp.score);
		st[Number++]=temp; 
		bc(&temp);
	}
	printf("添加成功\n");
}


void bc(struct student *st)
{
	FILE *fp=NULL;
	fp=fopen("C://student.dat","ab+");
	fwrite(st,sizeof(struct student),1,fp);
	fclose(fp);
}


int dq(struct student st[])
{
	FILE *fp=NULL;
	int i=0;
	fp=fopen("C://student.dat","rb");
	while(fread(&st[i],sizeof(struct student),1,fp))
	i++;
	fclose(fp);
	return i;
}


void xianshi()
{
	printf("\t*****************************************************************\n");
	printf("\t* *\n");
	printf("\t* 学生成绩管理系统 *\n");
	printf("\t* *\n");
	printf("\t* [1] 增加学生成绩          [2] 查看学生成绩      *\n");
	printf("\t* [3] 查找学生成绩          [4] 删除学生成绩      *\n");
	printf("\t* [5] 统计（总成绩和平均分）[6] 输出不及格人数    *\n");
	printf("\t* [7] 修改学生信息          [8] 关于作者          *\n");
	printf("\t* [9] 保存数据              [0] 退出系统          *\n");
	printf("\t*****************************************************************\n");
}

这种程序最近到处都有人在求...

[野男孩]

大作业啊，，，只能帮顶了。。

[chaoliu1024]

估计没人会帮你写，给你一个通讯录的C程序，和你需要的很像的！

/* A simple mailing list program that illustrates the use and maintence  
of doubly linked lists. */  
  
#include <stdio.h>   
#include <stdlib.h>   
#include <string.h>   
  
struct address{   
    char name[30];   
    char street[40];   
    char city[20];   
    char state[3];   
    char zip[11];   
  
    struct address *next;                       /*  pointer to next entry  */  
    struct address *prior;                      /*  pointer to previous record  */  
};   
  
struct address *start;                          /*  pointer to first entry in list  */  
struct address *last;                           /*  pointer to last entry  */  
struct address *find(char*);   
  
void enter(void),search(void),save(void);   
void load(void),list(void);   
void mldelete(struct address **,struct address **);   
void dls_store(struct address *i,struct address **start,struct address **last);   
void inputs(char *,char *,int);   
void display(struct address *);   
int menu_select (void);   
  
int main(void)   
{   
    start = last = NULL;                         /*  initialize start and end pointers  */  
  
    for(;;){   
        switch(menu_select()){   
        case 1: enter ();                        /*  enter an address  */  
            break;   
        case 2: mldelete(&start,&last);          /*  remove an address  */  
            break;   
        case 3: list();                          /*  display the list  */  
            break;   
        case 4: search();                        /*  find an address  */  
            break;   
        case 5: save();                          /*  save list to disk  */  
            break;   
        case 6: load();                          /*  read from disk  */  
            break;   
        case 7: exit(0);   
        }   
    }   
    return 0;   
}   
  
/*  Select an operation.  */  
int menu_select(void)   
{   
    char s[80];   
    int c;   
  
    printf("1.Entry a name \n");   
    printf("2.Delete a name \n");   
    printf("3.List the file \n");   
    printf("4.Search \n");   
    printf("5.Save the file \n");   
    printf("6.Load the file \n");   
    printf("7.Quit \n");   
    do {   
        printf("\n Enter your choice:");   
        gets(s);   
        c = atoi(s);   
    }while(c<0||c>7);   
    return c;   
}   
  
/*  Enter names and address.  */  
void enter(void)   
{   
    struct address *info;   
  
    for(;;){   
        info= (struct address *)malloc(sizeof(struct address));   
        if(!info){   
            printf("\n out of memory");   
            return;   
        }   
           
        inputs("Enter name:", info->name,30);   
        if(!info->name[0]) break;                  /*  stop entering  */  
        inputs("Enter street:",info->street,40);   
        inputs("Enter city:",info->city,20);   
        inputs("Enter state:",info->state,3);   
        inputs("Enter zip:",info->zip,10);   
  
        dls_store(info,&start,&last);   
    }        /*  entry loop  */  
}   
  
/*  This function will input a string up to the length in count and will  
    prevent the string from being overrun . It will also display a prompting message.  */  
void inputs(char *prompt,char *s,int count)   
{   
    char p[255];   
  
    do {   
        printf(prompt);   
        fgets(p,254,stdin);   
        if(strlen(p) > (unsigned int)count) printf("\n Too Long \n");   
    }while(strlen(p) > (unsigned int)count);   
  
    p[strlen(p)-1] = 0;             // remove newline charater     
    strcpy(s,p);   
}   
  
  
/*  Create a doubly linked list in sorted order.  */  
void dls_store(   
               struct address *i,          /*  new element  */  
               struct address **start,     /*  firsr element in list  */  
               struct address **last       /*  last element in list  */  
)   
{   
    struct address *old,*p;   
  
    if(*last == NULL){           /*  first element in list  */  
        i->next = NULL;   
        i->prior = NULL;   
        *last = i;   
        *start = i;   
        return;   
    }   
    p = *start;                  /*  start at top list  */  
  
    old = NULL;   
    while (p){   
        if (strcmp(p->name,i->name)<0){   
            old = p;   
            p = p->next;   
        }   
        else {   
            if(p->prior){   
                p->prior->next = i;   
                i->next = p;   
                i->prior = p->prior;   
                p->prior = i;   
                return;   
            }   
            i->next = p;           /*  new first element  */  
            i->prior = NULL;   
            p->prior = i;   
            *start = i;   
            return ;   
        }   
    }   
    old->next = i;       /*  put on old  */  
    i->next = NULL;   
    i->prior = old;   
    *last = i;   
}   
  
/*  Remove an element from the list.  */  
void mldelete(struct address **start,struct address **last)   
{   
    struct address *info;   
    char s[80];   
  
    inputs("Enter name:",s,30);   
    info = find(s);   
    if(info){   
        if(*start == info){   
            *start = info->next;   
            if(*start)((*start)->prior) = NULL;   
            else *last = NULL;   
        }   
        else{   
            info->prior->next = info->next;   
            if(info!=*last)   
                info->next->prior = info->prior;   
            else  
                *last = info->prior;   
        }   
        free(info);                 /*  return memory to system  */  
    }   
}   
  
/*  Find an address.  */  
struct address *find(char *name)   
{   
    struct address *info;   
  
    info = start;   
    while (info){   
        if(!strcmp(name,info->name))return info;   
        info = info->next;       /*  get next address  */  
    }   
    printf("Name not found. \n");   
    return NULL;         /*  not found  */  
}   
  
/*  Display the entire list.  */  
void list(void)   
{   
    struct address *info;   
  
    info = start;   
    while(info){   
        display(info);   
        info = info->next;             /*  get next address  */  
    }   
    printf("\n \n");   
}   
  
/*  This function actually prints the fields in each address.  */  
void display(struct address *info)   
{   
    printf("%s \n",info->name);   
    printf("%s \n",info->street);   
    printf("%s \n",info->city);   
    printf("%s \n",info->state);   
    printf("%s \n",info->zip);   
    printf("\n \n");   
}   
  
/*  Look for a name in the list.  */  
void search(void)   
{   
    char name[40];   
    struct address *info;   
  
    printf("Enter name to find:");   
    gets(name);   
    info = find(name);   
    if (!info)printf("Not Found \n");   
    else display(info);   
}   
  
/*  Save the file to disk  */  
void save(void)   
{   
    struct address *info;   
  
    FILE *fp;   
  
    fp = fopen("mlist.txt","wb");   
    if(!fp){   
        printf("Cannot open file. \n");   
        exit(1);   
    }   
    printf("\n Saving File \n");   
  
    info = start;   
    while(info){   
        fwrite(info,sizeof(struct address),1,fp);   
        info = info->next;      /*  get next address  */  
    }   
    fclose(fp);   
}   
  
/*  Load the address file.  */  
void load()   
{   
    struct address *info;   
  
    FILE *fp;   
  
    fp = fopen("mlist.txt","rb");   
    if(!fp){   
        printf("Cannot open file.\n");   
        exit(1);   
    }   
  
    /*  free any previously allocated memory  */  
    while (start){   
        info = start->next;   
        free(info);   
        start = info;   
    }   
  
    /*  reset top bottom pointers  */  
    start = last = NULL;   
  
    printf("\n Loading File \n");   
    while(!feof(fp)){   
        info = (struct address *)malloc(sizeof(struct address));   
        if(!info){   
            printf("Out of Memory");   
            return;   
        }   
        if(1 != fread(info,sizeof(struct address),1,fp))break;   
        dls_store(info,&start,&last);   
    }   
    fclose(fp);   
}  

[liutengfeigo]

[sytu_chyq]

应该自己参考下写写。。

[bobo364]

改一个字段即可

#include "stdio.h"
#include "string.h"
#include "stdlib.h"
#define Max 30
#define printf1 printf("------------------------------------------------------------------------------\n");
#define printf2 printf("学号--姓名--年龄--性别----出生年月------地址------电话-------E-mail---\n");  
int sum=0;

void clearscreen()
{
getchar();
system("cls");

}

struct date
{   
int year;
int month;
int day;
};

struct stud_type
{   
int num;//学号
char name[20];//姓名
int age;//年龄
char sex[12];//性别
struct date birthday;//出生年月
char address[40];//地址
char tele[15];//电话
char E_mail[30];
}students[Max], t;  

/*保存信息*/
int save_message(int sum)
{  
FILE *fp;
int i;
if((fp=fopen("students' information.txt","w"))==NULL)
    {  
        printf("读文件错误!\n");
        return 0;
    }
for(i=0;i<sum;i++)
    { 
        if(fwrite(&students[i],sizeof(struct stud_type),1,fp)!=1)
        printf("写文件错误!\n");
    }
fclose(fp);
return i;
}

/*录入信息*/
int input_message()
{
int i=sum,s=Max,k=0;
do
    {
        clearscreen();
        printf("录入学生信息(最多%d个)\n",s);
        printf1;
        printf(" \n 第%d个学生",i+1);
        printf("\n 学号:");
        scanf("%d",&students[i].num);
    
        if(students[i].num==0)  
            { 
                break;
            }
        printf("\n 学生姓名:");
        scanf("%s",students[i].name);
        printf("\n 年龄:");
        scanf("%d",&students[i].age);
        printf("\n 性别:");
        scanf("%s",students[i].sex);
        printf("\n 出生年月(yyyy-mm-dd):");
        scanf("%d-%d-%d",&students[i].birthday.year,&students[i].birthday.month,&students[i].birthday.day);
        printf("\n 地址:");
        scanf("%s",students[i].address);
        printf("\n 电话:");
        scanf("%s",students[i].tele);
        printf("\n E_mail:");
        scanf("%s",students[i].E_mail);
        i++;
        k++;
    }while(i<Max);
printf("\n ---%d个学生信息输入完毕!--\n",i);
printf(" \n 按回车键返回主菜单!\n");
getchar();  
sum=k+sum;
save_message(sum);
return i;
   
}

/*浏览信息*/
int read_message()
{
FILE *fp;
int i=0;
if((fp=fopen("students' information.txt","r"))==NULL)
    {
        printf("\n\n *****暂时还没有库存信息，按回车键返回主菜单!****\n");
        return 0;
    }
while(feof(fp)!=1)
    {
        fread(&students[i],sizeof(struct stud_type),1,fp);
        if(students[i].num==0)
            { 
                break;
            }
        else  
            {
                i++;
                sum++;
            }
    
    }
printf("\n\n 文件中原有学生的信息：\n");
printf1;
printf2;
printf1;
for(i=0;i<sum;i++)
    {
        if(students[i].num!=0)
        {
            printf("%3d%7s%5d%6s%8d-%2d-%2d%9s%13s%16s\n",students[i].num,students[i].name,students[i].age,students[i].sex,students[i].birthday.year,students[i].birthday.month,students[i].birthday.day,students[i].address,students[i].tele,students[i].E_mail );
        }
  }
printf("\n\n\n\n 按回车键返回主菜单！");
fclose(fp);
return(i);
}

/*学生信息浏览*/
int output_message()
{ 
int i=0,j=0,count=0,page=1;
clearscreen();
printf("\n\n ----学生信息表---\n 第 %d 页\n\n",page);
printf1;
printf2;

for(i=0;i<sum;i++)
    {
        if(students[i].num!=0)
            {
                printf("%3d%7s%5d%6s%8d-%2d-%2d%9s%13s%16s\n",students[i].num,students[i].name,students[i].age,students[i].sex,students[i].birthday.year,students[i].birthday.month,students[i].birthday.day,students[i].address,students[i].tele,students[i].E_mail );
            }
        if(i%8==0&&i!=0)
            {
                clearscreen();
                printf("\n\n ----学生信息表--- 第 %d 页\n\n",++page);
                printf1;
                printf2;
            }
    }
return 0;
}

/*按学号排序*/ /*选择排序法*/
int sort_message()
{   
int i,j,k;
clearscreen();
for(i=0;i<sum-1;i++)
    {
        k=i;
        for(j=i+1;j<sum;j++)
            {
                if(students[k].num>students[j].num)
                    {
                        k=j;
                    }
                t=students[i];
                students[i]=students[k];
                students[k]=t;
            }
    
    }
printf("\n\n\n");
printf1;
printf2;

for(i=0;i<sum;i++)
    {
        printf("%3d%7s%5d%6s%8d-%2d-%2d%9s%13s%16s\n",students[i].num,students[i].name,students[i].age,students[i].sex,students[i].birthday.year,students[i].birthday.month,students[i].birthday.day,students[i].address,students[i].tele,students[i].E_mail );
    }
getchar();
return 0;
}
 
 /*两种查寻方式*/
int find_by_name() /*按姓名查找*/
{
int i, j=0;
char inquire_name[20];
clearscreen();
printf(" \n 请输入要查学生的姓名:");
scanf("%s",inquire_name);
for(i=0;i<sum;i++)
    {
        if(strcmp(students[i].name,inquire_name)==0&&students[i].num!=0)
            {   
                printf("\n --%s的信息--\n",students[i].name);
                printf1;
                printf2;
                printf("%3d%7s%5d%6s%8d-%2d-%2d%9s%13s%16s\n",students[i].num,students[i].name,students[i].age,students[i].sex,students[i].birthday.year,students[i].birthday.month,students[i].birthday.day,students[i].address,students[i].tele,students[i].E_mail );
            }
        else  
            {
            j++;
            }
  }
if(j==sum)
printf("\n\n 该学生不存在!");
getchar();
return 0;
}
 

int find_by_num() /*按学号查找*/
{  
int i,j=0,inquire;
clearscreen();
printf("\n 请输入要查学生的学号:");
scanf("%d",&inquire);
for(i=0;i<sum;i++)
    {
        if(inquire==students[i].num&&students[i].num!=0)
            {  
                printf("\n --%s的信息--\n",students[i].name);
                printf1;
                printf2;
                printf("%3d%7s%5d%6s%8d-%2d-%2d%9s%13s%16s\n",students[i].num,students[i].name,students[i].age,students[i].sex,students[i].birthday.year,students[i].birthday.month,students[i].birthday.day,students[i].address,students[i].tele,students[i].E_mail );
            }
        else  
            {
                j++;
            }
    }
if(j==sum)
    {
        printf("\n\n 学号为%d的学生不存在!",inquire);
    }
getchar();
return 0;
}

  
  /*学生信息查询*/
int inquire_message()
{   
int choice=0;
do  
    {
        clearscreen();
        printf("\n\n\n ********学生信息查询*********\n\n");
        printf(" 1.按学号查询;\n\n\n");
        printf(" 2.按姓名查询;\n\n\n");
        printf(" 0.返回主菜单.\n\n\n");
        printf(" 请选择(0-2):");
        scanf("%d",&choice);
        switch(choice)
            {   
                case 2: find_by_name();break;
                case 1: find_by_num();break;
                case 0: break;
            }
    }while(choice!=0);
return 1;
}

int main()
{
int choice;
read_message();
do
    {
        clearscreen();
        printf("\n\n\n ****学生信息管理系统****\n\n");
        printf(" 1.学生信息录入;\n\n");
        printf(" 2.学生信息浏览;\n\n");
        printf(" 3.学生按学号排序;\n\n");
        printf(" 4.学生信息查询;\n\n");
//printf(" 5.学生信息的更改;\n\n");
        printf(" 0.退出系统.\n\n");
        printf(" 请选择（0--5）：");
        scanf("%d",&choice);
        switch(choice)
            {  
                case 1: input_message();break;
                case 2: output_message();break;
                case 3: sort_message();break;
                case 4: inquire_message();break;
//case 5: renew_message();break;
                case 0:
                    {
                        save_message(sum++);
                        printf("\n------以上学生信息已保存-(文件名:students' information.txt)\n");
                        getchar();
                        return 0;  
                        break;
                    }
            }
    }while(choice!=0);
return 0;   
}

[jldream110]

我这有个 类似的 程序源码 要的话 加我 qq 我传给你

[zhaiershuaixu]

友情围观。。。。。。

[adooadoo]

我感觉每次的课程设计大家都差不多，而且一大堆不爱结贴的人，悲剧啦

[snser]

和我一样 在做课程设计~~ o(╯□╰)o

[KevinHo]

期末了…… CSDN的C/C++版，到处都是这样的大作业要求了~~~
帮你们顶了