C语言编写的学生籍贯管理系统

#include<stdio.h> #include<conio.h> #include<stdlib.h> #include<bios.h> #include<string.h> typedef struct student /*学生籍贯结构体*/ { char num[20]; char name[20]; char address[20]; }STUDENT; typedef struct list /*学生籍贯结构体指针量*/ { STUDENT stu; struct list *next; }STU; typedef struct list node; typedef node * link; link createstu_list() /*创建学生籍贯链表*/ { link q,head,pointer; int i; void save(link p); textmode(2); textcolor(YELLOW); textbackground(BLUE); window(1,2,59,25); clrscr(); head=(link)malloc(sizeof(node)); if(head==NULL) { cprintf("memory mallocate failure!!\r\n"); } else { cprintf("please input the information. [end]-finish\r\n"); textcolor(RED); cprintf(" NO. Name Address\r\n"); pointer=head; head->next=NULL; textcolor(YELLOW); fflush(stdin); do { q=(link)malloc(sizeof(node)); q->next=NULL; scanf("%s",q->stu.num); if(strcmp(q->stu.num,"end")==0) break; scanf("%s",q->stu.name); scanf("%s",q->stu.address); pointer->next=q; pointer=pointer->next; } while(1); } save(head); window(60,13,80,25); textbackground(7); clrscr(); cprintf("input a command:"); return head; } void free_list(link head) { link pointer; while(head!=NULL) { pointer=head; head=head->next; free(pointer); } } void save(link p) /*存盘*/ { FILE *fp; int i; char buf[80*25*2+1]; gettext(1,1,80,25,buf); window(1,2,59,25); textcolor(YELLOW); textbackground(BLUE); textmode(2); clrscr(); cprintf("Saving to database...\r\n"); sleep(1); if((fp=fopen("D:\\stu jiguan.doc","w"))==NULL) { cprintf("can not open file!\r\n"); return; } fprintf(fp," The student Information about Address\n" ); fprintf(fp," NO.\t Name\t Address\n"); p=p->next; while(p!=NULL) { fprintf(fp,"%10s\t%20s\t%20s\t\n",p->stu.num,p->stu.name,p->stu.address); p=p->next; } fclose(fp); cprintf("Saving Complete....\r\n"); sleep(1); puttext(1,1,80,25,buf); window(60,13,80,25); textcolor(YELLOW); textbackground(7); clrscr(); cprintf("input a command:"); } void GetInfor(link r) /*从磁盘获取数据*/ { FILE *fp; char buf[80*25*2+1]; link head; link p,q; char str1, str2, str3, str4, str5; head=r; gettext(1,1,80,25,buf); clrscr(); textmode(2); textcolor(YELLOW); textbackground(BLUE); window(1,2,59,25); clrscr(); cprintf("Loading database...\r\n"); sleep(1); if((fp=fopen("D:\\stu jigu.doc","r"))==NULL) { cprintf("can not open file!!\r\n"); return; } fscanf(fp,"%s %s %s",str1,str2,str3); cprintf("%s %s %s",str1,str2,str3); fscanf(fp,"%s %s",str4,str5); cprintf("%s %s\r\n",str4,str5); r=r->next; q=r; while(!feof(fp)) { if(r!=NULL) { q=r; fscanf(fp,"%s %s %s",p->stu.num,p->stu.name,p->stu.address); r=r->next; } else { p=(link)malloc(sizeof(node)); fscanf(fp,"%s %s %s",p->stu.num,p->stu.name,p->stu.address); if(p==NULL) { cprintf("Moemory allocate failure!!\r\n"); return; } p->next=NULL; q->next=p; q=q->next; } } q->next=NULL; p=r; while(p!=NULL) { r=p->next; free(p); p=r; } r=head->next; window(1,2,59,25); clrscr(); cprintf("NO. Name address\r\n"); while(r->next!=NULL) { p=r; cprintf("%s %s %s",r->stu.num,r->stu.name,r->stu.address); cprintf("\r\n"); r=r->next; } free(r); p->next=NULL; gettext(1,1,80,25,buf); fflush(stdin); getch(); fclose(fp); clrscr(); cprintf("Loading Complete....\r\n"); sleep(1); puttext(1,1,80,25,buf); window(60,13,80,25); textbackground(7); clrscr(); cprintf("input a command:"); } void Output(link L) { link p; int i; clrscr(); textmode(2); window(1,2,59,25); textcolor(YELLOW); textbackground(BLUE); clrscr(); cprintf(" No. Name Address\r\n"); p=L->next; while(p!=NULL) { cprintf("%5s %5s %5s",p->stu.num,p->stu.name,p->stu.address); cprintf("\r\n"); p=p->next; } fflush(stdin); getch(); window(60,13,80,25); textbackground(7); clrscr(); cprintf("input a command:"); } void search_num(link L) /*以学号查找*/ { int i; char num[20]; char buf[80*25*2+1]; int exit=0; gettext(1,1,80,25,buf); window(60,13,80,25); textbackground(7); cprintf("\r\n"); cprintf("please input the number you want to search :\r\n"); cprintf("No.:"); scanf("%s",num); textbackground(BLUE); window(1,2,59,25); clrscr(); cprintf("the result is:\r\n"); while(L!=NULL) { if(strcmp(L->stu.num,num)==0) { exit=1; cprintf(" %s %s %s",L->stu.num,L->stu.name,L->stu.address); cprintf("\r\n"); } if(exit==1) break; L=L->next; } if(exit==0) cprintf(" the student is not exit!\r\n"); fflush(stdin); getch(); puttext(1,1,80,25,buf); window(60,13,80,25); textbackground(7); clrscr(); cprintf("input a command:"); } void search_name(link L) /*以姓名查找*/ { int i; char name[20]; char buf[80*25*2+1]; int exit=0; gettext(1,1,80,25,buf); window(60,13,80,25); textbackground(7); cprintf("\r\n"); cprintf("please input the name you want to search :"); cprintf("Name:"); scanf("%s",name); L=L->next; textbackground(BLUE); window(1,2,59,25); clrscr(); cprintf("the result is:\r\n"); while(L!=NULL) { if(strcmp(L->stu.name,name)==0) { exit=1; cprintf(" %s %s %s",L->stu.num,L->stu.name,L->stu.address); cprintf("\r\n"); } L=L->next; } if(exit==0) cprintf(" The student not exit!!\r\n"); fflush(stdin); getch(); puttext(1,1,80,25,buf); window(60,13,80,25); textbackground(7); clrscr(); cprintf("input a command:"); } void search_address(link L) /*以籍贯查找*/ { int i; char add[20]; char buf[80*25*2+1]; int exit=0; gettext(1,1,80,25,buf); window(60,13,80,25); textbackground(7); cprintf("\r\nplease input the address you want to search:\r\n"); cprintf("Address:"); scanf("%s",add); L=L->next; window(1,2,59,25); textbackground(BLUE); clrscr(); cprintf("the result is:\r\n"); while(L!=NULL) { if(strcmp(L->stu.address,add)==0) { exit=1; cprintf(" %s %s %s",L->stu.num,L->stu.name,L->stu.address); cprintf("\r\n"); } L=L->next; } if(exit==0) cprintf(" The student is not exit!!\r