class.cpp

学籍管理小程序

#include "dos.h"
#include "conio.h"
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
#include "graphics.h"

#define NUMLEN 12
#define NAMELEN 12
#define ADLEN  12
#define DORMLEN 5
#define TELLEN 8

struct stu *add_a_record(void);
void add(struct stu *);                         /*Main add*/
void window_set(void);
void list(struct stu *);
void sort(struct stu*,struct stu*);
void modify(struct stu *);
void modify_a_record(struct stu *);
void exiting(void);
void file(struct stu*);
void help(void);
int check(struct stu *,int,int);
int check_c(char,char *);
char *inputnum(int);
char *inputchar(int);
void print(struct stu *);
void textprint(char *);
 void search(struct stu *);        /*Main search fuction*/
 void searchnum(struct stu*);      /*search functions*/
 void searchname(struct stu*);
 void searchtel(struct stu*);
 void searchdorm(struct stu*);
 void searchad(struct stu*);
 void searchbirthday(struct stu*);

struct stu
 {
 char num[NUMLEN+1];
 char name[NAMELEN+1];
 char sex;
 struct
  {
  int year;
  int month;
  int day;
  }birthday;
 char ad[ADLEN+1];
 char dorm[DORMLEN+1];
 char tel[TELLEN+1];
 struct  stu *next,*pre;
 };
static int BKCOLOR=0,TBCOLOR=0,TCOLOR=10;
static int Record_len=0;        /*Used to show the length of record*/

void main(void)
{
char a,date[30];
struct date *datep;
struct time *timep;
struct stu *head;

textmode(2);
textbackground(BKCOLOR);
textcolor(TCOLOR);
clrscr();

head=(struct stu*)malloc(sizeof(struct stu));
head->next=NULL;

LA:
clrscr();
gotoxy(1,1);
textprint("Super  Student Manager Ver 1.2 ");
cprintf("1.File  2.Add    3.Search  4.List   5.Modify   6.Help  7.Window ");
gotoxy(1,4);
cprintf("--Input your choice:");
do
{ gotoxy(35,3);
  getdate(datep);
  gettime(timep);
  sprintf(date,"%4d-%2d-%2d   %2d:%2d:%2d",datep->da_year,(int)datep->da_mon,
	  (int)datep->da_day,(int)timep->ti_hour,(int)timep->ti_min,(int)timep->ti_sec);
  cputs(date);
}while(!kbhit());
 a=getch();

while(!check_c(a,"1234567faslmhwFASLMHW"))
 a=getch();

switch(a)
{
 case 'f':case 'F':
 case '1':file(head);break;
 case 'a':case 'A':
 case '2':add(head);break;
 case 's':case 'S':
 case '3':search(head);break;
 case 'l':case 'L':
 case '4':list(head);break;
 case 'm':case 'M':
 case '5':modify(head);break;
 case 'h':case 'H':
 case '6':help();break;
 case 'w':case 'W':
 case '7':window_set();break;
 default:;
}
head->birthday.year=Record_len;
goto LA;
}


void exiting(void)                     /*EXITING*/
{
 clrscr();
 gotoxy(1,1);
 textprint("Warning!");
 printf("Make sure that you have save your files!\nPress any key to goback,Esc to exit!");
 if(getch()==27)
  {
   closegraph();
   exit(0);
  }
 else return;

}

/*This function is used to input a date with special requirements.\
  Ruturn a struct  stu type node for other functions.            */
struct stu *add_a_record(void)
 {
 char sex;
 struct stu *pt;
 pt=(struct stu *)malloc(sizeof(struct stu));
 printf("Num(12):");  strcpy(pt->num,inputnum(NUMLEN));
 printf("Name(10):"); strcpy(pt->name,inputchar(NAMELEN));
 printf("sex:(m/f,M/F)");
  sex=getch();
  while(sex!='m' &&sex!='M'&&sex!='F'&&sex!='f')
   sex=getch();
  if(sex=='m'||sex=='M')
   pt->sex='M';
  else pt->sex='F';
  putchar(pt->sex);printf("\n");
  printf("adress(10):");strcpy(pt->ad,inputchar(ADLEN));
  printf("birthday:(2003 12 31)");
  scanf("%d%d%d",&pt->birthday.year,&pt->birthday.month,&pt->birthday.day);
    while(pt->birthday.year>2003||pt->birthday.month>12||pt->birthday.day>31)
     { printf("Input error!(The maximum of birthday is 2003 12 31)!\n");
			 /*'s is set to show wether the input is right*/
       printf("birthday:(2003 12 31)");
       scanf("%d%d%d",&pt->birthday.year,&pt->birthday.month,&pt->birthday.day);

     }

 getchar();
 printf("dorm(5):");strcpy(pt->dorm,inputnum(DORMLEN));
 printf("tel.num(8):");strcpy(pt->tel,inputnum(TELLEN));
 return pt;
 }



 void add(struct stu *P)                   /*ADD-list*/
 {
  struct stu *pt,*temp;
  char sign,s;
  do
   { temp=P->next;
     clrscr();
     gotoxy(1,1);
     textprint("Add list:");
     pt=add_a_record();

     textprint("LIST");
     print(pt);

     if(temp==NULL)                  /*if the list is NULL*/
      { pt->next=NULL;
	pt->pre=P;
	P->next=pt;
      }
     else                               /*if the list isn't NULL*/
      { while(temp!=NULL)
	 if( strcmp(pt->num,temp->num)>0 )
	  if(temp->next==NULL)
	   { pt->next=NULL;
	     pt->pre=temp;
	     temp->next=pt;
	     break;
	   }
	  else temp=temp->next;
	 else if(strcmp(pt->num,temp->num)==0)         /*if nums of two record are same*/
	  { printf("\nWarning:Num:%s already exist in list,cover it?(Y/N)\n",pt->num);
	    s=getch();
	    if (s=='Y'||s=='y')        /*if the operater choosed  'Y' */
	      if(temp->next==NULL)     /*if "temp" is in the end of the list*/
	       { temp->pre->next=pt;
		 pt->next=NULL;
		 pt->pre=temp->pre;
		 free(temp);
	       }
	      else                     /*if "temp" is in other place*/
	       { pt->next=temp->next;
		 pt->pre=temp->pre;
		 temp->pre->next=pt;
		 temp->next->pre=pt;
		 free(temp);
	       }
	    else free(pt);          /*if the operater make other choice*/
	  break;
	  }
	 else                           /* if the find the right place*/
	  { pt->next=temp;
	    pt->pre=temp->pre;
	    temp->pre->next=pt;
	    temp->pre=pt;break;
	  }
      }
  Record_len++;
  /*When add a record,counter "Record_len" add 1*/

  printf("\tContinue(y/n;Y/N):");sign=getch();
   }while(sign=='Y'||sign=='y');

 printf("\n\tPress any key to go back!"); getch();
}



void print(struct stu *pp)                           /*PRINT*/
{
printf("%-13s  %-13s  %c   %4d/%2d/%2d  %-13s  %-7s  %-9s\n",pp->num,pp->name,pp
->sex,pp->birthday.year,
       pp->birthday.month,pp->birthday.day,pp->ad,pp->dorm,pp->tel);
}



void file(struct stu *PF)                                /*FILE*/
{
char c,a,test;
static char file[80];
static n=1;
int i,count;
struct stu *pf=PF->next,*pread,*plast;
FILE *P;

if(n==1)
file[0]='\0';

pread=(struct stu*)malloc(sizeof(struct stu));
plast=PF;
clrscr();
gotoxy(1,1);
textprint("File");
printf("1. save  2.open  3.new   4.exit\n");
printf("Input your choice:\n");
 c=getch();
 while(!check_c(c,"1234soneSONE")) c=getch();

if((c=='1'||c=='s'||c=='S')&&PF->next==NULL)        /*if the user want to save a null file*/
 { printf("Empty list,could not be saved.\n");
   printf("Press any key to go back!\n");
   getch();
   return;
 }

if((c=='2'||c=='o'||c=='O') && PF->next!=NULL)       /*if open a file before save the original one*/
 { textprint("Warning");
   printf("You must save your files before you open a new file.\n");
   printf("Or you will lose the records you inputted just before!\n");
   printf("Continue?(Y/N)");
   a=getch();
   if(!(a=='y' || a=='Y'))  return;
 }
if((c=='3'||c=='n'||c=='N')&& PF->next!=NULL)
 {
 printf("There are records in the memory.\nDo you want to build new one and cover these records?(Y/N)");
 a=getch();
 if(!(a=='Y'||a=='y'))
 return;
 }

switch(c)
 { case 's':
   case 'S':
   case '1':if(file[0]!='\0')
	     { printf("\nInput file path and name(%s):\n",file);
	       printf("-<Press <Enter> to use the old file path,other key to save in new path>-");
	       test=getche();
 	       if(test!=13)
	       { putchar(test);
		gets(&file[1]);
		 file[0]=test;
	       }
	     }
	    else
	      {printf("Input file path and name:\n");
	       gets(file);
	      }
 	    if((P=fopen(file,"wb"))==NULL)
	     { printf("Can not create file.\n");
	       printf("Please check your file path and name:%s,then try again.",file);
	       break;
	     }
	    else
	     {  fprintf(P,"%d\n",Record_len);
		count=0;
	       while(pf!=NULL)
	       {
		  fprintf(P,"%s\n",pf->num);
		  fprintf(P,"%s\n",pf->name);
		  fprintf(P,"%c\n",pf->sex);
		  fprintf(P,"%d %d %d\n",pf->birthday.year,pf->birthday.month,pf->birthday.day);
		  fprintf(P,"%s\n",pf->ad);
		  fprintf(P,"%s\n",pf->dorm);
		  fprintf(P,"%s\n",pf->tel);
		  pf=pf->next;
	       gotoxy(1,7);
	       count++;
	       printf("%3d/%3d have saved...\n",count,Record_len);
	       }
	     textprint("File saved!");
	     }
	    fclose(P);
	    break;
 case 'o':case 'O':
 case '2': printf("Input file path and name(c:\\tc):\n");
	   gets(file);
	   if((P=fopen(file,"rb"))==NULL)
	    { printf("Can not open file.\n");
	      break;
	    }
	   else
	    { 	fscanf(P,"%d",&Record_len);
		for(i=0;i<Record_len;i++)
		{ pread=(struct stu*)malloc(sizeof(struct stu));
		  fscanf(P,"%s\n",pread->num);
		  fscanf(P,"%s\n",pread->name);
		  fscanf(P,"%c\n",&pread->sex);
		  fscanf(P,"%d %d %d\n",&pread->birthday.year,
		   &pread->birthday.month,&pread->birthday.day);
		  fscanf(P,"%s\n",pread->ad);
		  fscanf(P,"%s\n",pread->dorm);
		  fscanf(P,"%s\n",pread->tel);
		  pread->next=NULL;
		  pread->pre=plast;
		  plast->next=pread;
		  plast=plast->next;
	       }
	    textprint("File loaded!");
	    printf("%d records has been found in file %s\n",Record_len,file);
	    	    }
	   fclose(P);
	   break;
 case 'n':case 'N':
 case '3': PF->next=NULL;
	   Record_len=0;
	   break;
 case 'e':case 'E':
 case '4':exiting();break;
 default:;
   }
 n++;
 printf("\n\tPress any key to go back!");getch();
 }



void search(struct stu *PS)                            /*SEARCH*/
{
 char se,*s;
 int x;
 clrscr();
 gotoxy(1,1);

 textprint("Search");
 printf("1.number   2.name    3.adress  4.dorm   5.tel   6.birthday 7.exit\n");
 printf("Input your choice:\n");

 se=getch();
 while(!check_c(se,"1234567")) se=getch();

 switch(se)
 {
  case '1':searchnum(PS);break;
  case '2':searchname(PS);break;
  case '3':searchad(PS);break;
  case '4':searchdorm(PS);break;
  case '5':searchtel(PS);break;
  case '6':searchbirthday(PS);break;
  case '7':return;
  default:;
 }
 printf("\tPress any key to go back!");getch();

 }



void list(struct stu *PS)
{
int length=0,m=0;
struct stu *pl;
char c,a[NUMLEN+1],b[NUMLEN+1];
pl=PS->next;
clrscr();

gotoxy(1,1);
textprint("List");
printf("        1.List all\n\t2.List (m-n)\n\t3.List (m-)\n\t4.List (-n)\n\t5.Exit\n");
printf("Input your choice:\n");
c=getch();
while(c>'5' ||c<'1') c=getch();
switch(c)
{case '1':
	printf("\nNum            |Name          |Sex|Birthday   |Ad            |Room    |Tel  \n");
	while(pl!=NULL)
	 { print(pl);
	   if(pl->sex=='M') m++;
	   length++;
	   pl=pl->next;
	  }
	printf("\n\tTotal:%4d     Male:%4d       Famale:%4d",length,m,length-m);
	break;
case '2':
	printf("From:");
	strcpy(a,inputnum(NUMLEN));
	printf("To:");
	strcpy(b,inputnum(NUMLEN));
	printf("\nNum            |Name          |Sex|Birthday   |Ad            |Room    |Tel  \n");
	while(pl!=NULL)
	{if(strcmp(pl->num,a)>=0 && strcmp(pl->num,b)<=0 )
	 { print(pl);
	   if(pl->sex=='M') m++;
	   length++;
	 }
	   pl=pl->next;
	 }
	printf("\n\tTotal:%4d     Male:%4d       Famale:%4d",length,m,length-m);
	break;
case '3':
	printf("From:");
	strcpy(a,inputnum(NUMLEN));
	printf("\nNum            |Name          |Sex|Birthday   |Ad            |Room    |Tel  \n");
	while(pl!=NULL)
	{if (strcmp(pl->num,a)>=0)
	 { print(pl);
	   if(pl->sex=='M') m++;
	   length++;
	 }
	   pl=pl->next;
	 }
	 printf("\n\tTotal:%4d     Male:%4d       Famale:%4d",length,m,length-m);
	 break;
case '4':
	printf("To:");
	strcpy(b,inputnum(NUMLEN));
	printf("\nNum            |Name          |Sex|Birthday   |Ad            |Room    |Tel \n");
	while(pl!=NULL)
	 { if( strcmp(pl->num,b)<=0 )
	    { print(pl);
	      if(pl->sex=='M') m++;
	      length++;
	    }
	   pl=pl->next;
	 }
	printf("\n\n\tTotal:%4d     Male:%4d       Famale:%4d",length,m,length-m);
	break;
case '5':return;
default:;
}
printf("\n\t Press any key to goback! ");getch();
}


void modify(struct stu *PS)
{
char ms[NUMLEN+1],s1,s2;
int flag=0;
struct stu *pm;
pm=PS->next;

clrscr();
gotoxy(1,1);
textprint("Modify");
printf("Input the num. of the records you want to modify:\n");

gets(ms);
while(pm!=NULL)
 { if(strcmp(pm->num,ms)==0)
   { flag=1;
     break;
   }
   pm=pm->next;
 }