C语言程序设计——教室管理系统(源代码)).doc
(4页)
本资源提供全文预览，点击全文预览即可全文预览,如果喜欢文档就下载吧，查找使用更方便哦！
11.90 积分
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 0xFFint 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*/ fclose(f); 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: case 5: input(&s, OPER[cmd]); break; case 6: fsetpos(f, &p); fwrite(&s, sizeof(s), 1, f); case 7: fclose(f); return; default: printf("错误的操作，请重新输入。\n\n\n\n\n"); }/*end case*/ }/*mext*/}/*end clear*/int main(void){ char cmd = 0; CON s; for(;;) { printf(" 欢迎使用 教室信息管理系统!\n请选择：\n1-添加；\n2-查询；\n3-删除；\n4-修改；\n5-全部输出；\n0-退出\n\n\n\n"); scanf("%d", &cmd); switch(cmd) { case 0: return 0; case 1: regist(); break; case 2: query(&s); break; case 3: clear(); break; case 4: modify(); break; case 5: browse(0, 0, &s); break; }//end case } return 0;} 关键词： c语言 教室 源代码 管理 系统
天天文库所有资源均是用户自行上传分享，仅供网友学习交流，未经上传用户书面授权，请勿作他用。
关于本文
