C语言程序设计——教室管理系统(源代码))

C语言程序设计——教室管理系统（源代码）

非常有用的。

#include

#include

#include

#define szSTR 64

#define fileDB "c:\\contact.txt"

struct CONTACT {

char num[szSTR];/*教室编号*/

char site[szSTR];/*教室位置*/

char snum[szSTR];/*座位数*/

char tv[szSTR];/*有无多媒体*/

char use[szSTR];/*是否可用*/

};

typedef struct CONTACT CON;

#define ANUM 1

#define ASITE 2

#define ASNUM 3

#define ATV 4

#define AUSE 5

#define BFULL 0xFF

int OPER[6] = {BFULL, ANUM, ASITE, ASNUM, ATV,AUSE};

void input(CON * s, int mask)

{

if(mask & ANUM) { printf("请输入教室编号："); scanf("%s", s->num); }

if(mask & ASITE) { printf("请输入教室位置："); scanf("%s", s->site); }

if(mask & ASNUM) { printf("请输入座位数："); scanf("%s", s->snum); }

if(mask & ATV){printf("请输入是否有多媒体(有/Y*无/N):");scanf("%s",s->tv);}

if(mask & AUSE) { printf("请输入是否可用(可/Y*否/N)："); scanf("%s", s->use); } }/*end input*/

void show (int id, CON * s)

{

if(!s) return ;

if(id)

printf("%d\t%s\t\t%s\t%s\t\t%s\t\t%s\n",

id, s->num , s->site , s->snum , s->tv,s->use );

else

printf("【编号】%s【教室编号】%s【位置】%s【座位数】%s【有无多媒体】%s【是否可用】%s\n",

s->num , s->site , s->snum , s->tv,s->use );

/*end if*/

}/*end show*/

void regist(void)

{

CON s; FILE * f = 0;

input(&s, BFULL);

f = fopen(fileDB, "ab");

fwrite(&s,sizeof(s),1,f);

fclose(f);

printf("资料已保存！\n\n\n\n");

}/*end regist*/

int browse(char * key, fpos_t * p, CON * s)

{

FILE * f =0; int i = 0, r = 0; CON t;

char * a = 0, * b = 0; fpos_t q;

if(!s) return 0;

f = fopen(fileDB, "rb");

if(!f) {

printf("数据库暂无记录\n\n\n\n");

return 0;

}/*end if*/

printf("编号\t教室编号\t位置\t座位数\t有无多媒体(Y/N)\t是否可用(Y/N)\n");

printf("----------------------------------------------------------------------\n");

while(!feof(f)) {

fgetpos(f, &q);

r = fread(&t, sizeof(t), 1, f);

if(r<1)break;

if(t.num[0]==0) continue;

if(key) {

a = strstr(t.num , key);

b = strstr(t.site , key);

if(a == 0 && b == 0) continue;

}/*end if*/

if(p) *p = q;

if(s) memcpy(s, &t, sizeof(t));

i++;

show(i, &t);

}/*end while*/

printf("----------------------------------------------------------------------\n\n\n\n\n");

return i;

}/*end browse*/

fpos_t query(CON * s)

{

char key[szSTR]=""; fpos_t p = 0; int r = 0;

printf("请输入教室编号或者位置：");

scanf("%s", key);

r = browse(key, &p, s);

return r?p:-1;

}/*end query*/

void clear(void)

{

FILE * f = 0; CON s;

fpos_t p = query(&s);

if(p<0) return;

f = fopen(fileDB, "rb+");

fsetpos(f, &p);

memset(&s, 0, sizeof(s));

fwrite(&s, sizeof(s),1, f);

fclose(f);

printf("记录已删除！\n\n\n\n\n");

}/*end clear*/

void modify(void)

{

FILE * f = 0; CON s; int cmd = 0;

fpos_t p = query(&s);

if(p<0) return;

f = fopen(fileDB, "rb+");

fsetpos(f, &p);

for(;;) {

show(0, &s);

printf("请选择：1-编号；2-位置；3-座位数；4-有无多媒体；5-是否可用；6-保存并退出；7-放弃修改并退出\n\n\n\n");

scanf("%d", &cmd);

switch(cmd) {

case 1:

case 2:

case 3:

case 4: