全国计算机等级考试二级C语言程序设计实战(95)

日期:12-29| http://www.59wj.com |C模拟题|人气:120

全国计算机等级考试二级C语言程序设计实战(95) 题目:家庭财务管理小程序
  1.程序分析:程序源代码:
  /*money management system*/
  #include "stdio.h"
  #include "dos.h"
  main()
  {
  FILE *fp;
  struct date d;
  float sum,chm=0.0;
  int len,i,j=0;
  int c;
  char ch="",ch1[16]="",chtime[12]="",chshop[16],chmoney;
  pp: clrscr();
  sum=0.0;
  gotoxy(1,1);printf("|---------------------------------------------------------------------------|");
  gotoxy(1,2);printf("| money management system(C1.0) 2000.03 |");
  gotoxy(1,3);printf("|---------------------------------------------------------------------------|");
  gotoxy(1,4);printf("| -- money records -- | -- today cost list -- |");
  gotoxy(1,5);printf("| ------------------------ |-------------------------------------|");
  gotoxy(1,6);printf("| date: -------------- | |");
  gotoxy(1,7);printf("| | | | |");
  gotoxy(1,8);printf("| -------------- | |");
  gotoxy(1,9);printf("| thgs: ------------------ | |");
  gotoxy(1,10);printf("| | | | |");
  gotoxy(1,11);printf("| ------------------ | |");
  gotoxy(1,12);printf("| cost: ---------- | |");
  gotoxy(1,13);printf("| | | | |");
  gotoxy(1,14);printf("| ---------- | |");
  gotoxy(1,15);printf("| | |");
  gotoxy(1,16);printf("| | |");
  gotoxy(1,17);printf("| | |");
  gotoxy(1,18);printf("| | |");
  gotoxy(1,19);printf("| | |");
  gotoxy(1,20);printf("| | |");
  gotoxy(1,21);printf("| | |");
  gotoxy(1,22);printf("| | |");
  gotoxy(1,23);printf("|---------------------------------------------------------------------------|");
  i=0;
  getdate(&d);
  sprintf(chtime,"%4d.%02d.%02d",d.da_year,d.da_mon,d.da_day);
  for(;;)
  {
  gotoxy(3,24);printf(" Tab __browse cost list Esc __quit");
  gotoxy(13,10);printf(" ");
  gotoxy(13,13);printf(" ");
  gotoxy(13,7);printf("%s",chtime);
  j=18;
  ch[0]=getch();
  if(ch[0]==27)
  break;
  strcpy(chshop,"");
  strcpy(chmoney,"");
  if(ch[0]==9)
  {
  mm:i=0;
  fp=fopen("home.dat","r+");
  gotoxy(3,24);printf(" ");
  gotoxy(6,4);printf(" list records ");
  gotoxy(1,5);printf("|-------------------------------------|");
  gotoxy(41,4);printf(" ");
  gotoxy(41,5);printf(" |");
  while(fscanf(fp,"%10s%14s%f“n",chtime,chshop,&chm)!=EOF)
  { if(i==36)
  { getch();
  i=0;} www.59wj.com
  if ((i%36)<17)
  { gotoxy(4,6+i);
  printf(" ");
  gotoxy(4,6+i);}
  else
  if((i%36)>16)
  { gotoxy(41,4+i-17);
  printf(" ");
  gotoxy(42,4+i-17);}
  i++;
  sum=sum+chm;
  printf("%10s %-14s %6.1f“n",chtime,chshop,chm);}
  gotoxy(1,23);printf("|---------------------------------------------------------------------------|");
  gotoxy(1,24);printf("| |");
  gotoxy(1,25);printf("|---------------------------------------------------------------------------|");
  gotoxy(10,24);printf("total is %8.1f$",sum);
  fclose(fp);
  gotoxy(49,24);printf("press any key to.....");getch();goto pp;
  }
  else
  {
  while(ch[0]!=‘“r‘)
  { if(j<10)
  { strncat(chtime,ch,1);
  j++;}
  if(ch[0]==8)
  {
  len=strlen(chtime)-1;
  if(j>15)
  { len=len+1; j=11;}
  strcpy(ch1,"");
  j=j-2;
  strncat(ch1,chtime,len);
  strcpy(chtime,"");
  strncat(chtime,ch1,len-1);
  gotoxy(13,7);printf(" ");}
  gotoxy(13,7);printf("%s",chtime);ch[0]=getch();
  if(ch[0]==9)
  goto mm;
  if(ch[0]==27)
  exit(1);
  }
  gotoxy(3,24);printf(" ");
  gotoxy(13,10);
  j=0;
  ch[0]=getch();
  while(ch[0]!=‘“r‘)
  { if (j<14)
  { strncat(chshop,ch,1);
  j++;}
  if(ch[0]==8)
  { len=strlen(chshop)-1;
  strcpy(ch1,"");
  j=j-2;
  strncat(ch1,chshop,len);
  strcpy(chshop,"");
  strncat(chshop,ch1,len-1);
  gotoxy(13,10);printf(" ");}
  gotoxy(13,10);printf("%s",chshop);ch[0]=getch();}
  gotoxy(13,13);
  j=0;
  ch[0]=getch();
  while(ch[0]!=‘“r‘)
  { if (j<6)
  { strncat(chmoney,ch,1);
  j++;}
  if(ch[0]==8)
  { len=strlen(chmoney)-1;
  strcpy(ch1,"");
  j=j-2;
  strncat(ch1,chmoney,len);
  strcpy(chmoney,"");
  strncat(chmoney,ch1,len-1);
  gotoxy(13,13);printf(" ");}
  gotoxy(13,13);printf("%s",chmoney);ch[0]=getch();}
  if((strlen(chshop)==0)||(strlen(chmoney)==0))
  continue;
  if((fp=fopen("home.dat","a+"))!=NULL);
  fprintf(fp,"%10s%14s%6s",chtime,chshop,chmoney);
  fputc(‘“n‘,fp);
  fclose(fp);
  i++;
  gotoxy(41,5+i);
  printf("%10s %-14s %-6s",chtime,chshop,chmoney);
  }}}

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